Sr Network (data Center) Architect Resume
Princeton, NJ
SUMMARY:
- Results - oriented Sr. Network Engineer/Architect & Project/Program manager with 16+ years of year's extensive hands-on experience in experience in the design, implementation, OSS/BSS, deployment, configuration/troubleshooting and operation of design, testing. Migration of Data center, carrier class voice, data, DOCSIS, DSL, CDMA, WiMAX, LTE, UMTS, HSDPA, GSM,SONET, DWDM, ATM, Ethernet, PBT-TE & IP/MPLS networks and supporting OSS/BSS and network management systems. Provide Project Management, Design/Architecture, testing, Engineering, Implementation, QA/staging, production and support.By providing a dual role as Project Manager and Senior Network Engineer, I was able to maximize profits on a per project basis by minimizing need for multiple billable resources. Design, developed and supported IP backbone network, VOIP,SDN, NFV, Network Orchestration, Cloud technologies, IaaS. PaaS,IP multicast, Frame Relay, Carrier Metro Ethernet, 6LOPAN, Li-Fi, ZigBee, ZWAVE, NB-IOT,5G Millimeter wave, IPTV, HSI, VoIP, Mobile, Enterprise/Business, PSTN, Security ATM, MPLS implementation for Wireless service providers, telcos, ISPs, DOCSIS, DSL service providers and a variety of corporate infrastructures / backbones and managed RAN, Transport & Core network. Managed, Designed, Engineered, implemented LAN/WAN, core backbone network, internet security and intrusion detection systems utilizing multi vendor solutions including Alcatel Lucent, Tellabs, Juniper, Cisco, Avaya, Arista, Nokia, Versa, Viptela, Jasper, Ericsson. Extreme, L3 and Checkpoint. Ability to manage multiple projects, within time constraints, from initial planning to completion. Sound knowledge and experience in designing and testing networks, creating test plans and implementing security including business continuity planning and risk management. Very good, in-depth knowledge of IMS, 3G/UMTS/HDSPA, UMA and 4G/LTE, 5G architecture & IPV6.
TECHNICAL SKILLS:
Tecnical skill: Cisco ONS 15454, Cisco BTS 10200, Cisco GSR, VXR/UBR, Nexius 5000/7000, 6500, 12000, 7609, 7500, 7000, 5300, 4000, 3000, 2600, 2500, Terminal Servers 2511, 2509), ASR 5000/9000, CRS. Extreme Networks Switches (Summit 24), Avici IPriori, Cisco Switches (Nexus 7010, 5020, 6500, 4507, 5000, 3500, 2900). Cisco Pix Firewalls (525, 520, 515, 506), ASR1002, FWSM, Cisco ACE, Cisco 11150/111800 load balancers, ASR9000. ASA 5550 FWSM,VPN Concentrator 3000 series, Cisco IOS Firewall feature set (IOS 12.X). NetScreen Firewalls (NS-5XP, NS-5GT, NS-500), Juniper MX240,960, J2320, J4360, J6350, T320 Series, Alcatel 7750, 7670, 7470, 5620 NM, 7450 ESS, TSS-320,DMX1850 TSS, Tellabs 8800,8830, 8860 8620 AS, Cyclades OOB,, Cisco IOS, Checkpoint Firewall-1, Floodgate,F5 Big IP,Raptor, Gauntlet,Sonic-Wall, Net screen, Watch Guard, Cisco MARS, CSA agent, IBM Proventia, Arbor Peakflow TMS 2700/3100, Wichrous ASN GW, Samsung ASN GW, Ercisson NodeB, RNC,Tellab DACS, Sandvine DPI, Ciena 311v, Ciena 5305, Ekinops 360 DWDM, ZTE Pico cell, Huaweii BS, Samsung BS, Samsung Pico cell, Kyocera Femto cell, IEEE1588 PTP, ACME SBC, Ceterus, Dragon Wave Radios, OMA/DM Provisioning servers, Wichorous ASN GW, Cisco Aironet 12000 APs, ALU 7750, Ericsson SE100/SE600, Ceragon IP10/640, SIAE, Ericsson Minilink TN, Aeroflex Racal 6402, Spirent SR3452 and Spirent Air Access, Agilent 8960 and R&S CMW 500, QXDM, QCAT, Accuver XCAL, XCAP, OpenStack, OpenDaylight, OpenSwitch, VxLan, NETCONF, YANG data model, JSON,XML, DevNet tools, including Puppet or Chef, ANSI scripts, TOSCA and YAML based file formats, HOT Template and OVF based VNF descriptors, OVS, OF-DPA, OpenFlow, BGPEVPN, TTP, ODL, ONOS, Ryu, KVM, OpenStack, ONL, Icinga2, Monasca, Nagios, Wireshark, iSCSl, Ceph, Swift, Postgres, Mysql, InfluxDB Ganglia, Zabbix, VM/Docker-Container, Ciena blue planet, Kafka, RabbitMQ, KVM, libvirt, VMWare Quagga, RouteFlow etc etc, Understanding of SDN/NFV ecosystem SDN controller, ONF, ETSI NFV, Opendaylight, ONOS, Openstack.Understanding of CloudApps & Cloud Aware software Implementation. Understanding of Cloud technologies & ecosystems - DOCKERS, MESOS, Elasticity Manager, DevOps
Tools: GRANITE, Site Handlers, Siterra Interado, Netscout,, Netrack, Alcatel PMT tool, Spirent Abacus, Avalanche, Air Access, Smartbits, IXIA Chariot, Wireshark, Ericsson-TEMS, Solarwinds, ISS, NAI TNV, Web Trends Security, ntop, HP Open View Network Node Manager, Provision Network Monitor, WhatsUp Gold, Tripwire, Tiger, SATAN, Ether Peek, Snort IDS, Cisco Works 2000, Nessus, Netcool, Cramer, OpenView IUM 4.5 mediation. JDSU CN-100, Tektronics, IXIA, Spirent, Acterna, Emprix Hammer, Agillent B9990A, E6474A Wireless Network Optimization Software, Shell Scripting, Perl Scripting, TCL/TK scripting, VB Scripting, MOSHELL, SQL server, MySQL. Cisco Transport manager, Umbrella, Cacti, Trafica, RCATS, Metasolv, Clarity, Netcracker, ICOMS, CSG, Jasper IOT,Amdocs Cramer, LHS BSCS billing platform, Tripwire, Sales Force, Remedy, Junoscope IP services manager, LAMP (RNC emulator), UBINETICS TM 100/500, Wireless Logics- XCAL, XCAP, iPerf, Fluke networks, Cisco MARS, Nessus, Wireshark, Ixia, Spirent, Broadcom OS Windows NT 4/2000-2003. Windows XP/ME/98/95, Unix (Sun Solaris, 2.6, 2.7, 7, 8,9,10, Red Hat Linux 5.0-9.0-Fedora-Core 2-4, AIX, Cisco IOS 10-12.4. Cisco Cat OS.OS/2, Junos, Cisco NEXUS 5000,7000, ALU 7705 CSR, ALU7750 MAD, NSN SRAL-XD,SR4, Flexi Packet Hub, Tellabs 86xx (8605 / 8660 /8630 ), 73xx, 63xx, CBX3500, Netviewer, Jasper control center, Axeda, DSC,Ayla, Cisco Model DPC3925 8x4 DOCSIS 3.0 with Wireless Residential Gateway with EDVA, Clearpass, Cisco NCS2K
PROFESSIONAL EXPERIENCE:
Sr Network (Data Center) Architect
Confidential, Princeton, NJ
Responsibilities:
- Managed installation, and configuration of Fortinet Firewalls 600D, 3000 and Authenticator in HA cluster Confidential Princeton and Secaucus data centers. Migration of Checkpoint Firewall-1 NG to Fortinet Firewalls. Configured Nexus5k and 7K as access/TOR and distribution switches for 10 ratings application servers in different VLAN for S& Confidential . Configured and tested Fortinet FW 6OOD, 3700 in Transparent mode, FSSO Authentication of OU policies, HA testing for Firewall and Authenticator is remote data centers, SNMP monitoring, Syslog integration with Splunk and access rules for 10 ratings applications in North, South direction with DMZ and East-west with Web servers and DB, Mail servers
- Created Test plan document with all test cases for POC and SIM Lab and Prod QA lab and maintained a Test status tracker. Created SOP guide, User guide, Data center troubleshooting guide with Fortinet FWs and Runbook with training for the Data center internal teams. Collaborated with Fortinet Vendor and Cisco for troubleshooting, testing and Vendor documentations. Facilitated project meetings and provided weekly status to all stakeholders.
- Supporting the S&P Enterprise Architecture team with Overall Cloud technical strategy, architecture and design for a highly complex Enterprise Applications migration project. Analyze system requirements and ensures that systems will be securely integrated with current financial ratings applications. Performing POC/Pilot projects evaluating different Cloud based storage solutions using AWS, Openstack, MS Azure, Cisco ACI SDN, Viptela, Versa, Arista EOS Cloudvision, VMware Cumulus, Architecture/POC and design of EA solutions using AWS Cloud platform and its features which includes EC2, VPC, EBS, AMI, SNS, RDS, EBS, CloudWatch, Cloud Trail, Cloud Formation, AWS Config, Auto scaling, Cloud Front, IAM, S3, and Route53. Working with AWS professional services team to implement the solution.
Sr Cisco ACI Network Engineer
Confidential, Trenton, NJ
Responsibilities:
- Design and implementation of complex, multi-vendor, public, Iaas, PaaS, Saas cloud architectures from infrastructure up to application layers using Openstack, VMware Vsphere, vCenter, vShield manager, AWS, Docker, Hyper-V, Cisco APIC and Heat orchestration, vCloud director .Design, testing and prod support of Cisco ACI Data center in network centric mode and EM for customers with multitenancy using Clustered APIC controllers M1 C220 M3/M4, Nexus 9336 TOR Leaf switches and Spine 9500/9736PQ switches, fabric extenders, QSFP, SFPC, CPAC Nexus 7k, 5k, UCS servers, ASA firewalls, F5 load balancers, Cisco IDS/IPS, Citrix, IWAN, ESA automation with VMs running on VMWare ESX utilizing VXLAN VM running on Hyper-V using VLAN 802.1Q encapsulation and a physical server running a bare metal servers running Linux . create different application policies in the ACI including Tenants, Application Network Profile (ANP), End Point Group (EPG), Contracts, Subjects and Filters. create different application policies in the ACI including ACI multipod config. configuring Tenants, Application Network Profile (ANP), End Point Group (EPG), Contracts, Subjects and Filters/contracts, filters, fabric policies,MCP policies, interface policies, Switch policies. Custom Certificate for Cisco ACI HTTPS Access, VLAN namsepace, Bridge domain,import/export policies, pod policies, L3 routing, BGP External Routed Network,Layer 3 Outside for Tenant Networks, shared Layer 3 Out configuration, Creating the Tenant, VRF, and Bridge Domain with IPv6 Neighbor Discovery, Configuring a Route Control Protocol to Use Import and Export Controls, physical domain per tenant and for external connectivity, policy based config of acces sports,, tenant managemet configuration for inband management. Profiles, switch profiles per leaf, vpc groups, vmm domains, zero touch provisioning,AEP for virtualized servers, service graph mapping to cluster of concrete devices, ACI transit routing & route distribution with OSPF, BGP, Static routing, MP-BGP Route Reflector. outside network connectivity using VRF lite, MP-BGP, BGP EVPN, OSPF,NVGRE, Multicast configuration, External Routed Network for Management Tenant, L2 Access switching, leaf switch virtual ports, channels, interface policy groups. FEX VPC, traffic storm policy, EPGs, Tenants, Port groups, inbound/outbound filters, traffic quality settings, marking rules, redirection, L4-7 service device graphs, traffic inspection, NFV Service nodes/graphs. SSL offloading, Application acceleration, Load balancing. IDS/IPS, Service insertion using service graphs. VDS switch, Intra-EPG isolation, Encrypting Configuration Files Using the REST API, CoS/DSCP, FEX-CoS marking, CNA/A-FEX classification/marking Backing up, Restoring, and Rolling Back Controller Configuration. Syslog source and destination groups, integration with NFV service nodes Cisco ASA, F5, Citrix and Remote SPAN sessions, SNMP traps destination, IWAN, YANG, NetConf. Troubleshooting APIC, Leaf and Spine issues using CIMC KVM/SOL console (Inband/OOB), REST API /Postman, CLI, health monitoring, atomic counters, Prime, Syslogs, SNMP. Verifying Overlay-Underlay connections (PIM, ISIS, EIGRP, OSPF). Verifying the APIC Health, Verifying the LEAF Health and Verifying remote access to all the out of band management devices
- Configure VMware Vcenter to APIC for provisioning of VxLANs between VMs hosts and ACI leafs, VxlAN Tunnels, VTEP endpoints, NVGRE, L2 bridging, L3 routing, BGP EVPN, Vmotion between DC. Confure LLDP, CDP, COOP, inbound/SCVMM, OOB/Opflex and application network profiles. Configuration and deployment of Ubuntu/Redhat on BMS with Puppet, Chef, Python and Ansible playbook. Integration and orchestration with Openstack Neutron API (Tenant,EPG,Bridge domain, Subnet,Security groups, Bridge domain router, port, network) for use cases, Service chaining, telemetry, fabric tunnels/NVGRE, QoS(No drop usage traffic,High performance compute workload,storage, vMotion, vRealize integration) segment routing, virtual integration, service catalogue, automation on troubleshooting. APIC configuration rollback and health scores.
- Design and implement Cisco ACI fabric networks with Nexus 9000 switches and APIC controller in a VMware envi using Cisco network and data center routers/switches Nexus 9000, 7000, 5000, 2000, and 1000v switches in VMware and Hyper-V environments. Develop various Inter-DC designs for internal and Edge routers to achieve failover and scalability utilizing BGP and spanning-tree, L2VPN, VPLS, OTV, VXLAN and ACI Implement data center network virtualization technologies with Nexus 1000v, AVS and ACI. Design and support Fibre Channel (FC) and Fibre Channel over Ethernet (FCoE) network utilizing Cisco Nexus, MDS switches, FCIP, multi vendor server and virtualization platforms, EMC, NetApp and other SAN Solutions (Hadoop, EMC) Implement Cisco UCS Director to automate compute, network and storage provisioning. POC integration of Cisco routers, switches with modern languages such as Node.JS, Python and Javascript, BASH, Perl and AngularJS frontend to build end to end IaaS, PaaS and SaaS platforms Automation scripts with Python COBRA.
Sr SDN/NFV Network Architect/Engineer
Confidential, Mt Laurel, NJ
Responsibilities:
- Architecture, POC, design, lab testing and prod testing to drive the development of Overlay and underlay SDN, NFV data center solution for Nokia Nuage VNS, Cisco ACI, Juniper Contrial SDN, Versa SDN and Multi vendor NFV/VNF solution. Act as an interface between Sales/ Marketing, product engineering, OSS/BSS, Network engineering team and internal Nokia support teams and R&D teams .Drive proof-of-concepts with use case scenarios as per the requirements of the customers and their planned roadmaps and market trials for customers with multitenant cloud deployments. Work with product teams to gather business and technical requirements for designing data center Nuage VNS, VSP data center SDN solution. Create SD WAN design docs- LLD, HLD for the customer. Configure and test use case scenarios for L2VPN, L3VPN, Service chaining, Segment routing. IPv4, IPv6,Dual stack, L3 Hub and spoke, Dual NSG Uplink, Dual NSG load balancing, NSG internet breakout, Route reflector, MP-BGP,L3 Network with static routes, L2 unmanaged network, DHCP, REST APIs and Ciena blue planet network orchestration with Openstack Neutron and VSAP assurance tool.
- Interface with development and Quality Assurance teams to provide feed-back on bugs found by customers. Debug complex product installations and resolve complicated product problems by applying both established procedures and creative alternatives. Prepare reports on problems encountered and methods of resolution applied, ensuring overall system integrity and reliability. Integrate Nuage SDN, Cisco ACI and multi vendor NFV solutions into existing network infrastructures to help automate network operations
- Supporting the Xfinity Mobile team with 4G/LTE/5G uses cases and roaming requirements with with other carriers and Wifi, hotspots and Wholesale carriers cell site ethernet aggregation backhaul routers and Pico cells. RFI/RFP with OEM vendors Ericsson, Samasung, Nokia, ZTE, Cisco.
- Actively engaging in SDN and NFV and related OpenSource initiatives such as OpenStack, OpenDaylight, OpenSwitch, VxLan, NETCONF, YANG data model, JSON,XML, DevNet tools, including Puppet or Chef, ANSI scripts, TOSCA and YAML based file formats, HOT Template and OVF based VNF descriptors, OVS, OF-DPA, OpenFlow, TTP, ODL, ONOS, Ryu, KVM, OpenStack, ONL, Icinga2, Monasca, Nagios, Wireshark, iSCSl, Ceph, Swift, Postgres, Mysql, InfluxDB Ganglia, Zabbix, VM/Docker-Container, Ciena blue planet, Kafka, RabbitMQ, KVM, libvirt, VMWare Quagga, RouteFlow etc etc, Understanding of SDN/NFV ecosystem SDN controller, ONF, ETSI NFV, Opendaylight, Openstack.Understanding of CloudApps & Cloud Aware software Implementation. Understanding of Cloud technologies & ecosystems - DOCKERS, MESOS, Elasticity Manager, DevOps & Agile Software Engineering Process.Very good understanding of Software Defined Network and Network Virtualization concepts. OpenStack CLI commands and administration,Linux/Unix scripting especially for TCP/IP stack, Firewalls (iptables), DNS, VPNs, Python, Java scripts, SOAP, Ruby, PHP.
- Expert knowledge of OpenFlow, OpenvSwitch, VMware, Xen Cloudstack, Openstack, Cisco/Juniper Enterprise products as Cisco 1K, Nexus, SRX etc. or any Firewall, NAT, Load Balancers and scripting languages such as JavaScript (JSON/XML), PERL, TCL, Python COBRA, Experience with OpenStack (Nova, Swift, Glance, Keystone, Neutron, Melange, Entropy), XenServer, XenClassic, VirtualBox, Vagrant, some LXC, some KVM, some VMware. MySQL, PostgreSQL and Microsoft SQL Servers: planning and deployment database servers and databases themselves. Extensive knowledge of creating and maintaining databases, backups, recovery, replication (master-slave, master-master) and MySQL Cluster/NDB database clusters.
Sr Network Design engineer
Confidential, Overland Park, KS
Responsibilities:
- Working as a Sr IP core network design engineer supporting LTE Core Development team on the Sprint Network vision project for LTE Core network. Create NV Core S/P GW, MME roadmap, network development features as per 3GPP specs, network design, architecture, testing and rollout/deployment for MME, SGW, PGW, Gx/PCRF and Gy interfaces/OCS/OFCS on ALU 7750 SP GW, Cisco ASR5500, Samsung SP GW. Create System requirement design (SRD) and Detail requirement design document (DRD), HLA/HLD for the customer, schedule meeting and review design docs with all stakeholders. Provide design integration with LTE RAN, eHRPD, CSFB,VoLTE, IPv6, MVNOs, RF and OSS Service Layer networks. Define and develop LTE EPC network architecture and design for MVNO customer including redirection, whitelisting and static/dynamic PCC rules. Develop Core Development Lab test strategy, schedule, and test cases, plan for testing- NRT and FIT. Develop Network Readiness test strategy, schedule, and test cases, plan for testing prior to Field introduction. Develop LTE Core capacity plans, roadmaps, and scalability designs. Capacity engineering support through characterizing the specific hardware and software features impacts based on factors such as performance, capacity, call modeling, and actual usage information. Provide Core design support for IT requirements, systems, and related products/services. Development support for Core OMs, Alarms, and NRM requirements. Create OMRT template for testing OSS, BSS and provisioning interfaces. Provide regular reporting for gateway performance, call model KPI/KCI and implementing, and executing verification tests for 3G (CDMA/EVDO) and 4G (LTE) mobile devices during the integration and validation phases of the product lifecycle. Coordinate and facilitate meetings with all customer stakeholders including Network Development, Network Engineering, Device Management, Product Management, Information Technology (IT), operations, and Program Management teams for businesses requirements, create future network vision GW roadmaps by analyzing 3GPP specs for R10, R11 and work with OEM vendors for new Core network features specifications. Create Proof of concept, conduct trials, automate provisioning with performance monitoring, IoT/M2M, provisioning,mobile service management, real-time engagement, support diagnostics, billing and business automation for SDN/NFV, IOT for ALU Nuage networks, Cisco ACI, Jasper control center, Axeda, DSC, Ayla cloud IOT platform, Juniper contrail, HP SDN controller. Engage with technology leaders within Verizon’s customers to understand their technical needs, deliver technology presentations on 4G/5G Confidential an executive level, and design use cases to be tested.
Sr Network Engineer
Confidential, Parsippany, NJ
Responsibilities:
- Configured Nexus 7010 core switches and Nexus 5010 and 2148 server access switches. Configured 7010’s with multiple distribution VDC’s running OSPF for route propagation between them. create vpc domain, design single sided vPC, design double sided vPC, design vPC peer-keepalive,vPC peer- link,vPC member port, Configure single and dual home fex, NX-OS codes for 7018 and 5020 via TFTP for both active and standby SUP, configure VSANs, Vfc.,Providing technical support on Nexus 2000/5000 switches and operating systems (NX-OS),Netflow configuration on Nexus 7k plat form, Configured LISP,OTC and multicast MDT on Nexus 7010.Configured ASA5585 for firewall services. Configured (BFD) on Cisco Nexus 7000 Series Switches for fast failure detection and In-Service Software Upgrade feature, Assist customer in troubleshooting Layer 2 & Layer 3 hardware and software related issues, Provide peer review to other network engineers to validate proposed configurations and designs. Architected & coordinated resources for the implementation of bpduguard accross all switches within our client's data center.
- Configured Cisco B200 M1 and M2 Blade Servers, Cisco UCS 6140 Fabric Interconnects, Cisco 5100 blade chassis, VMware vSphere Hypervisor, Vmotion, Cisco Nexus 1000V distributed switching platform to automate data center operations with network security policies and to support a unified fabric for delivering Fibre Channel over Ethernet (FCoE) with 10Gbps networking . The UCS servers were partitioned into 120 virtual machines running a comprehensive range of applications and services including Microsoft Exchange, SQL, and SharePoint. The storage elements include Cisco MDS 9509 Series Multilayer Director and EMC CLARiiON CX4-480 Series Storage Arrays with ACE4710 LBs and F5 LTM/GTMs. Provisioed multiple service offerings with VMware ESXi Hypervisor clusters and Cisco Nexus 1000V distributed virtual switching platform. The network architecture design comprised of 22 Cisco Nexus 2000 Series Fabric Extenders, 10 Cisco Nexus 5000 Series Switches, and 12 Cisco Nexus 7000 Series Switch
- Responsible for building, installing operating systems and business as usual troubleshooting and support/administration of Sun and IBM UNIX systems. Hardware support included Sun E220, E420, E450 and Sunfire V240, V440 and V480 systems as well as IBM H70, B80, M80, S80 and eServer P650, P690 and P590/595 systems, EMC SAN with Symmetrix and CLARiiON storage with virtualization
- Designed and Implemented Cisco UCS pods in Nexus 7000 and Cisco 6500 Platform.Configured UCS Fabric Interconnects 6248 / 6120.Configure UCS Manager by defining Service Profile Template, Policies & Pools for Production Servers and DR Servers.Design and Configure the vNIC & vHBA Fabric/Templates based on Application bandwidth requirement. Designed and configured eBGP routing, communities for Sprint MPLS network connectivity. Wrote core and remote router configurations and automated scripts
- Configured DMZ infrastructure for support of new eAgent application. Infrastructure included F5 Load Balancers with SSL termination, FWSM, Cisco PIX535 firewalls, Cisco 6509 switches and Checkpoint Firewalls. Configured advanced URI based load balancing and SSL termination pools on F5 GTM/LTM. Configured CheckPoint firewall ACL’s and NAT tables.
Confidential, Mt Laurel, NJ
Enterprise Architect consultant
Responsibilities:
- Senior network architect for the Backbone’s - CRAN,CBONE, IBONE (Internet Backbone AS). Review, approve, coordinate and implement major scheduled maintenance projects. Develop architectural network design, validate OSS/BSS requirements for Residential and Business services for Carrier Metro Ethernet over HFC/DOCSIS, Type 2, Cell Backhaul, Carrier Wholesale infrastructure to meet customer requirements. Contribute to the development of next generation architectural guidelines to introduce new service, products and technologies in backbone infrastructure
- Created Service delivery and Service assurance architecture document for ECES program, supporting Metro Ethernet deployment for Commercial Business customers.
- Created Tactical and Strategic Service delivery, Service Assurance and Provisioning system architecture for Metro Ethernet over DOCSIS, Type 2 and Carrier Wholesale projects.
- Working on current and target Architecture enhancements for Cramer-TTS interface Cramer- Century interface and Cramer/CMDB Interface:
- Gathered business requirements/PRD from the business teams and created Scope/Architecture documents, Technical Requirement Design document to support end to end System Architecture for the deployment of Metro Ethernet over DOCSIS, Type 2
- Review, approve, coordinate and implement major scheduled maintenance projects. Develop architectural network design, validate OSS/BSS requirements for Residential and Business services for Carrier Metro Ethernet over HFC/DOCSIS, Type 2, Cell Backhaul, Carrier Wholesale infrastructure to meet customer requirements. Contribute to the development of next generation architectural guidelines to introduce new service, products and technologies in backbone infrastructure.
- Work with RAD team, Application teams to get the OOMs for required development efforts, SRND docs, creating JIRA tickets and updating requirements/sequence digrams in DOORS
- Create and maintain service models for CBH and ME services in Telcordia Service Director based on NEs supported in MECBH EPL, EVPL, EDI & ENS service. Created Cramer interface/adapter specs for upstream and downstream Service delivery and assurance systems. Created Capacity planning and resource naming document for MECBH
- Created KPIs and KQIs for DOCSIS - HFC network for Metro Ethernet over DOCSIS
- Created Focus on Architecture (FOA) artifacts templates for Network architecture, Ops- High Availability/Disaster recovery Architecture, Application & Services Architecture, Security Architecture and Database Architecture, facilitated meetings with stakeholders and updated template and status report for all Pre-sales, Service delivery/fulfillment and Assurance applications including SFDC, Century, CPQ, CCOM, Workbench, Metasolv, Cramer, TTS, Sevone, Spectrum, NetScout, Watchtower, BEDROCK provisioning, BACC RDU/DPE, Telcordia Service Director and Grandslam,
- Created a roadmap for full implementation of end-to-end multi-layer OAM(fault and performance) management for the MECBH services
- Create/Update requirements, conceptual/functional architectures and impacted systems analysis documents for Y.1731/802.1ag based OAM (fault and performance) Management for networks environment supporting MECBH.
- Create OAM management requirements for network inventory and configuration to support Y.1731/802.1ag MEPs, MIPs and Maintenance Domains (creating the requirements for Cramer Resource Manager to support Y.1731 MEPs, MIPs and Maintenance Domains in MECBH to support OAM Management). Created OAM management requirements document for supporting OAM Interworking between Ethernet (Y.1731), MPLS/VPLS (Y.1710 and Y.1711) and WDM; 10G and Type II (E-NNI) networks
Confidential, Pleasanton, CA
Sr. Network engineer
Responsibilities:
- Maintained the company’s Core, Distribution and Access Network solutions, including Multihomed BGP, OSPF, EIGRP, ISIS for clients internet and phone services. Configured and maintained IP protocols EIGRP and BGP on Cisco routers (3800, 7200).Implemented VLAN, VTP, STP and 802.1q trunking on layer 2 switches (6500, 4500, 3560). Maintained high availability of resources by load balancing of network traffic with 5 BIG-IP load balancer. Designed and implemented a MPLS Core switched Network solutions for the companys Video on Demand and VoIP deployment. Designed, Configured and deployed New Cisco GSR 12000 routers throughout Wide Open West infrastructure.
- Configured different vendor switches (Juniper, Cisco, Extreme and Juniper) and route between them.Troubleshoot various network issues Confidential customers site and getting them resolved. Designed and configured various IP services like NTP, DNS, SNMP, HSRP, VRRP and IP SLA on customer network switches and routers to aide network administration and management. Worked with the packet core team to provide MPBN solution to various customers. Implemented full network connectivity link/node redundancy for OSS installation Confidential customers premise. Integrated Packet Core nodes like MME, HSS and DNS into customer networks. Performed Acceptance Test Procedures with various customers to ascertain the states for devices services running on them and network connectivity before handing over to customer.
Confidential, Plano, TX
Sr. Network (Transport/Backhaul) Engineer
Responsibilities:
- Design and optimization of 3G UMTS Packet Core and Switches Network architecture. Analyzing and troubleshooting UMTS transport layer 2 switching and layer 3 IP routing network and performance issues, troubleshooting ATM, IP and Transport connectivity such as WCDMA/GSM/TDMA, Microwave, Radio Access Network, IP Backbone, Service Layers and IP convergence T1, DS3, OC3, OC12 and OC48. Configure Inverse ATM ckt parameters (IMA group) per VPI/VCI for MSN ATM switch facing DACS on channelized T1s (STS-1/VT channels) and RNC facing for unchannelized STM/STS-3cs, configure traffic, QoS parameters (UBR/CBR), static IP routes, OSPF, MPLS RSVP, LDP global configuration, Class maps for working and protection (APS) SONET ports Cisco 7609 routers, Tellabs 8600/8800, Alcatel 7670-RSP-TE, 5620.
- Create scripts based on Alcatel, Tellabs, and Cisco MSN boxes for various rehome/rebalance/reconfiguration and template change activities for UMTS NODE B integration networks. Execute and run scripts during night maintenance window, troubleshoot end to end connectivity issues between NodeB, MSN, ATM OAM routers and RNC, supporting customer Confidential &T Mobility.
- Create MOPs for pre-execution. post execution and backout procedures. Implemented all Cisco, Tellabs router and switches IOS upgrades, installs and configuration changes. Responsible for troubleshooting all circuit problems and various routing issues .Provided Visio drawings and network documentation to client, Ericsson for customer Confidential &T Mobility.
Confidential, Herndon, VA
Sr. Core Network Engineer Consultant
Responsibilities:
- Architected End to end design of Outdoor Pico cell solutions for Lower Manhattan market. Network Design includes vendor assessment for Pico cell, Agg POP design, ASN Gateway design, Bridgewater AAA design, Sandwine DPI design & network testing capacity, routing & switching design, performance and integration with the new WSC NYC design and end to end network testing
- Architected Core Network Designs for WiMax Switching center (WSC) and Data centers for new markets to be launched. Designing backhaul capacity (Microwave/Fiber/T1s) for the pico and macro base station RAN including QoS, CoS and network management
- Evaluated vendors (Cisco/Juniper/Cyclades/Ciena) for Transport and Core network gear, AAA servers (Bridgewater systems), Storage networking (EMC/Hitachi/IBM) .Working with Network and Ops testing team for network readiness and end to end system integration testing for new market launchesCreated end to end Design backhaul network solution for in- building campus design including evaluating and testing Pico cell and Femto cell solution for Confidential Enterprise customers.Performed Capacity and performance Analysis on Base station Aggregation Ciena 311Vs and Agg POPs Ciena 5305 as per trend in growth of subscribers in 2010.
- ØValidated and test functional requirements, created test cases for Bridgewater AAA servers interfaces with Sandvine Deep packet inspection boxes, AMDOCS billing servers, Oracle Mediation servers, Samsung ASN gateway and Base stations( Samsung, ZTE, Hawaii) .Created and validated network design for Mobile IP for Sprint’s dual mode handsets to test roaming between CDMA and WiMAX networks (Sprint’s HLR and ASN GW) for all markets. Reviewed feature and functional requirements of an IP-multicast-based voice & video transport network.
- Designed the Firewall connectivity design for Atlanta, Seattle data centers, wrote functional test requirement doc and supported testing of IPSEC VPN using Juniper J2350 and SRX 3400 and firewall solutions to integrate with NOC and OSS, Regional, National data center and WIMAX Service Centers for existing and new markets. Performed interoperability testing with Cisco GSR and Juniper M-240 on gigabit ethernet, Packet-over-SONET, and routing protocols.
- Created Performance Management requirements and test cases for the Core network gear i.e. Ekinops360, ASR1002 FW, Cisco ACE Load Balancers and Management switch.Conducted vendor assessment of Cisco boxes and Ekinops DWDM equipment to be tested and deployed in new markets/WSCs. Created functional requirements and test plan requirements for Cisco Firewall ASR1002, 4507 Management Switch, ACE load balancers on Cisco 6500 chassis.
Confidential, Pleasanton, CA
Sr. Network Architect
Responsibilities:
- Worked with the Ericsson for business managers to develop detailed network plans including: implementation, testing and back out procedures for all network implementations, upgrades and modifications. Responsibilities include 3 rd level support for detailed design, configuration, maintenance, and redesign of all customer networks for Managed Network Solutions.
- Developed plans for implementation of changes and scheduled/performed testing and contingency procedures as required. Redesigned production and internal corporate network infrastructures to improve reliability and manageability. Performed capacity planning and analysis to ensure end-of-year peak network demands would be met. Work closely with customers to configure networks that are specific to their needs.
- Project responsibilities include design and implementation of frame relay/ATM/VPN/dialup networks, including all design, resource management, scheduling, ordering, implementation, and installation of all equipment and services. Key skills used include knowledge of routing protocols (EIGRP, IGRP, OSPF, RIP, static), WAN protocols (frame relay, ATM, IMA, non-real-time queueing, frame mapping), LAN protocols (spanning tree, VLANs, VMPS, 802.1x, VTP), VPN protocols (IPSec, IKE, shared keys, LAN-to-LAN), authentication protocols (RADIUS, TACACS+), security protocols (firewalling, intrusion detection, access-lists, user- and server-specific system/service access, packet sniffing, trending), and systems services (FTP, telnet, SSH, RCP, UUCP). Led major initiatives, develop roadmaps and standards, web hosting network including over 200 routers/switches, 190 VLANs, 5 pairs of Cisco Firewall Switching Modules (FWSM), Nortel, Juniper IP/MPLS backbone equipment, optical network management systems, Netscreen firewall and Cisco Content Switching Modules (CSM) using high-end Cisco Catalyst switches.
- Evaluated, selected, purchased, and implemented all network SONET and DWDM technologies and associated network provisioning and network management systems. Configure and test new Internet circuits on Cisco 7500 backbone routers running BGP and IS-IS..Configured and implemented Multiprotocol BGP (MP-BGP) and OSPF between PE devices and verified the MPLS-TE and FRR feature to ensure bandwidth guaranteed to mission critical applications for voice between zones through the core and setting up of QoS and Layer 3MPLS VPN tunnels.
- Designed and implemented Internal Computing network infrastructure including Gigabit Ethernet backbone, OC12/48 Packet Over SONET ATDN (Internet) peering, DS3/OC3 ATDN peering, remote offices tunneled over IPSec VPNs. Configure POS interfaces with ip address, encapsulation(HDLC/PPP), framing (SONET/SDH), scrambling, CRC, clocking, APS protection.
Confidential, Bellevue, WA
Sr. Network Engineer
Responsibilities:
- Responsible for the architecture, design, planning, and implementation of the next generation highly efficient low-latency network using a variety of skills: BGP, EIGRP, OSPF, IS-IS, MPLS L3VPN, mVPN and Ethernet/MPLS, and tools on a number of multi-vendor network, Deploy F5 LTM load balancer 6800/6900/8800. Configure F5 LTM load balancer for Pools, SNAT, Virtual servers, vlans and Snmp configuration . Troubleshoot issues with F5 pool members and virtual servers.Use tcpdump utility for troubleshooting SNAT issues and VIP issues with F5. Migrating network devices and servers from 6509 catalyst switch to Nexus 7010 Aggregator .
- Planned, designed and implemented Cisco Data Center network infrastructure. Installed and configured Cisco Nexus 7010, 5010/5020/5548 switches, and 2000/2200 fabric extender. Configure fabricPath for high availability and Virtual Port Channel (vPC) to connect to Cisco legacy switches . Redesigned the Multicast environment and setup
- Anycast RP along with MSDP on the Juniper and Cisco devices Worked closely with management and collaborate with other staff in the ongoing definition of network design, services, procedures, and policies. Coordinate implementation of new tools and technologies in the production environment and ensure appropriate hand-off to operational/systems support staff of production tools and technologies.
- Developed technical documentation and process for implementations and troubleshooting methods. . Re-architected countrywide network infrastructure backbone of 14000+ nodes, in addition to the eighteen Cisco CSR-3 16-Slot routers, for the corporation that included call centers, data centers, corporate offices, processing sites, thousands of cell sites and small retail offices using an MPLS based backbone network interconnectivity design . Architected and upgraded the two main data centers legacy network to the Cisco data center unified fabric via Cisco Nexus 7700/5500/2000 benefiting from vPC, VDC, VRF, OTV and FabricPath technologies.
- Responded to network issues on on-call basis. Monitor performance, capacity, and availability of the network on an ongoing basis and Recommend improvements in technologies and practices to increase these metrics.
Confidential, McLean, VA
Network Service Assurance OSS/BSS Engineer
Responsibilities:
- Developed an ATG plan of record and provided a prioritized implementation roadmap for execution of OSS initiatives along Process, Technology and Organization dimensions in support of Commercial Services followed by tactical implementations will to address the needs of service support for Cell backhaul circuits being provisioned within the various operating Regions to assess the readiness of operations within relevant Service Assurance & Fulfillment functions to support all existing Commercial retail services, Cell backhaul services and products in the 18 months Commercial roadmap.
- Developed conceptual operating models, requirements and a roadmap to implement an OSS capable of supporting carrier class commercial services that define consistent interfaces between TWC entities and TWC and commercial customers within each operation functions covering Fulfillment and Assurance. Gather requirements to develop the business process document for the target OSS architecture for cell backhaul circuits that spans functions of ETOM and ITIL framework. Created a plan of record to align OSS initiatives in support of commercial services including alignment with OSS/BSS initiatives within TSG, process workflow definition and Inventory Management initiatives within ATG. Provided an action plan for the implementation of service level monitoring and reporting and describing projects and priorities that enables TWC to realize carrier class service request handling with Verizon Wireless, Sprint and other inter-exchange carriers
Confidential, NY
Infrastructure Test Lead/Softswitch Migration
Responsibilities:
- Lead the migration project, interacted with stakeholders and communicated any delays or changes to the schedule on a weekly basis to the network engineering team, senior management, NOC and other stakeholders involved in the sign-off process until migration.
- Developed the migration process and backout plan to be followed during the migration in coordination with MSO and CLEC. Also identified, analyzed and documented test plans and procedures for testing E911 and migration procedures for Cisco BTS 10200 soft switch for Voice subscribers Confidential the cable internet service provider.
- Maintenance, upgrades, and deployment of Cisco 7609 /7200 routers, switches, ACE load balancers and RAS servers in a multi-homed regional ISP network. Configuration of interior and exterior routing protocols, BGP tuning to balance incoming and outgoing traffic across multiple transit circuits of varying capacities, designing network redundancy / high availability, load balancers using STP, HSRP, and VRRP, design and implementation of MPLS VPNs, MPLS TE, configuration of QoS for VOIP.
- Developed the migration process and backout plan to be followed during the migration in coordination with MSO and CLEC. Also identified, analyzed and documented test plans and procedures for testing E911 and migration procedures for Cisco BTS 10200 soft switch for Voice subscribers Confidential the cable ISP.
Confidential
Sr. Network Engineer
Responsibilities:
- Developed strategic engineering plans to bring the entire network to best-practices and open standards. Specific engineering challenges include a multi-year plan to migrate from an IP+ATM network to IP over DWDM and GigE; the introduction of traffic engineering and quality of service to accommodate the migration of hundreds of voice- and video-conferencing sites and streaming-media sites onto the data network; migrating from a single-failure- point network to two tiers of redundancy within a multi-tiered network. Worked with engineers in the expansion of the POP, Cisco GSR routers, transmission equipment, OC48s and OC192.
- Designed and implemented corporate LAN/WAN architecture and rebuilt corporate Infrastructure; design implementations included VLSM subnetting, and VLANs, and route redistribution and summarization, which resulted increasing corporate revenue by +$100,000. Designed, installed, troubleshooted, and configured the following routing protocols on corporate network infrastructures and backbones: RIPv1, RIPv2, OSPF, Frame Relay traffic shaping, MPLS, ATM, BGP policy routing, IS-IS, EIGRP, IGRP, ISDN, AppleTalk, SNA, X.25 and Dial-on-Demand Routing on Cisco 700, 1600, 1700, 2500, 2600, 3660, 4000, 7200, 7507 routers.
- Configured supervisor engine RSP720 for Cisco 7609 OSR series router along daughter cards i.e. PFC3C or PFC3CXL and MSFC4 for RPR/RPR+ redundancy and IGMP/MLDV Snooping for IPv4 Multicast Traffic and later implemented MPLS Per-Label Load Balancing on PFC.
- Assisted the Wincable, internal Broadband Systems Video Lab, providing broadband demos to clients in broadband I-TV, satellite broadband (trials) and wireless video device sectors.
- Designed two-tier redundant architecture and traffic engineering to facilitate migration of OC-48 analog video/voice network to IP network. Created monitoring systems to poll CISCO CMTS information. Established weekly report system and trouble ticket tracking system. Utilized proprietary software packages such as CSG, SAS, ISP Admin, OASIS, and Remedy to track customer impact of new services.
- Installation, configuration and maintenance of DOCSIS1.0 Cable routers (UBRs) and modems.