Sr. Network Engineer Resume
Houston, TX
PROFESSIONAL SUMMARY:
- CCNA, CCNP and CCSA certified with 8 plus years of professional experience in Network Planning, Implementing, Configuring, Troubleshooting and Testing of networking system on both Cisco and Juniper Networks
- Experience with the escalation problems for Routing, Switching and WAN connectivity issues using ticketing system remedy.
- Solutions oriented VoIP Network Engineer with noted s in implementation and support of complex corporate networks and VoIP networks.
- Experience with Spine Leaf Architecture VXLAN and EVPN Configuration and operational experience with Cisco ACI.
- Experience of routing protocols like EIGRP, OSPF, RIP, and BGP
- Worked on Cisco 7200, 3800, 3600, 2900, 2800, 2600, 1800 series Router and Cisco 2900, 3500, 4500, 5500, 6500, 7000, 9000 series switch
- Extensive hands - on experience with complex routed LAN and WAN networks, routers and switches
- Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers.
- Experience to migrate the infrastructure on Amazon Cloud Service - AWS
- Extensive experience with Juniper portfolio including JUNOS, EX switching and SRX firewall and Palo Alto networks firewall.
- In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems
- Experience in the setup of Access-Lists, and RIP, EIGRP, and tunnel installations
- Proficiency in configuration of VLAN setup on various Cisco Routers and Switches
- Experience with working on Palo Alto Next-Generation firewalls security profiles and Cisco ASA VPN.
- Experienced in trouble-shooting both connectivity issues and hardware problems on Cisco based networks
- Enhanced level of experience with OSPF, BGP, and TCP/IP
- Experience in deploying and supporting SD-WAN module in the production network environment.
- Well experienced in configuring gateway redundancy protocols like HSRP, GLBP, and VRRP.
- Worked on Aruba wireless controllers 3600/7210 and Aruba wireless access points 135, 225 and 275.
- Experience with the implementation of multicast/MPLS/l2vpn
- Good understanding of Amazon ELB, security groups, NACL, NAT, firewall and Route 53.
- Experience with working on Palo Alto centralized management GUI PANORAMA.
- Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support 24 x 7 Network Operation Center.
- Experience on Network, TCP/IP including complex Web/APP tier AWS and Azure clound services.
- Experience in physical cabling, IP addressing and Subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
- Access control server configuration for RADIUS & TACAS+.
- Expertise with 802.11x wireless technology.
- Have good knowledge and experience on F5 product modules such as AFM, LTM, GTM, Link Controller, ASM, Web Accelerator, Edge gateway and APM.
- Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Lab & Production Environments.
- Extensive knowledge of CISCO NEXUS data center infrastructure with 5000 and 7000 series switches includes (5548, 7010) including CISCO NEXUS Fabric Extender (2232, 2248)
- Sound knowledge of virtual firewalls like checkpoint VSX, IDS, IPS as well as encryption techniques.
- Working with Cisco for opening TAC Case and resolving issues to meet project deadlines.
- Expertise on cisco IOS, Cisco IOS-XR, Cisco CatOS, Cisco NX-OS, JUNOS.
- Expertise with monitoring tools like Solar Winds & network packet capture tools like Wire-shark
- Great team player and able to work under pressure 24x7 duty rotation
TECHNICAL SKILLS:
- Cisco & other vendor Equipment: Nexus 9K, 7K, 5K, 2K & 1K, Cisco routers (7600, 7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4500, 4900, 3750, 3500, 4500, 2900 series). PIX Firewall (506/515/525/535 ), ASA (5505/5510/5580 ), Cisco ICE, Cisco VoIP, Cisco ACI, Cisco ACE Load Balancers and Checkpoint (IP Series/NGX R65/IPSO)
- Routing Protocols: RIP, IGRP, EIGRP, OSPF, IS-IS, BGP, HSRP, VRRP & GLBP
- Network Management: Solar Winds, SNMP, Cisco Works, Wireshark
- Infrastructure services: DHCP, DNS, SMTP, FTP, and TFTP
- LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q
- WAN technologies: Frame Relay, ISDN, ATM, MPLS, SD-WAN, leased lines & exposure to PPP, DS1, DS3, OC3, T1 /T3 & SONET
- Network Security: NAT/PAT, Ingress & Egress Firewall Design, VPN Configuration, Dynamic, Palo Alto firewalls, Aruba Clearpass, Reflexive ACL, and authentication AAA (TACACS+ & RADIUS)
- Platforms: Cisco IOS-XR, PAN-OS, Cisco Cat OS, NX-OS, AWS, Cisco IOS (11.x, 12.x), PIX IOS (6.7.x), CAT-OS UNIX, LINUX, Windows XP, NT, 2000, 2003
- Documentation: MS Office, MS Visio and Excel
PROFESSIONAL EXPERIENCE:
Confidential, Houston, TX
Sr. Network Engineer
Responsibilities:
- Configured IP RIP, PPP, BGP and OSPF routing.
- Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4.
- Configured IP access filter policies.
- Experience on cloud AWS cloud EC2, S3, RDS, Load Balancer, Auto Scaling with AWS command line interface and AWS python SDK.
- Worked on software Defined Network solutions using Cisco ACI.
- Setting up cloud infrastructure for POC’s on OCI and AWS.
- Worked with a Team responsible for deploying Cisco VoIP/WLAN/Router/Switch solutions
- Worked on Cisco ACI, Configured Spine and Leaf Switches, VXLAN, VNI, VTEPS, Bridge Domains etc in ACI.
- Used Cisco ACI (Application Centric Infrastructure) SDN architecture to reduce operating costs, automate IT tasks, for greater scalability and visibility in a data center environment.
- Experience with RF Engineering Planning. Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
- Optimize and virtualize SD-Wan service providers using via Silverpeak, Riverbed, Viptela, Citrix.
- Communities, Route-Reflector clusters, Route-maps and route policy implementation.
- Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
- Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
- Assisted lead engineer in implementation of the IWAN (Intelligent WAN - Cisco SD-WAN) and VPN (Secure Transport) for enterprise networks.
- Envision and drove Cisco's SD-WAN (IWAN) and VPN for Enterprise and MSP networks
- Managing Juniper Junos devices in production environments
- Aruba - This was a project at our DSG was to install a completely new wireless authentication system as well as migrate to a new controller infrastructure. The project was completed with zero downtime to users.
- Basic knowledge of Citrix NetScaler.
- The role often involved a “the bucks stop here approach” where once the regional teams had passed a problem or difficulty up the line, we were the final team left to solve the problem
- This global role helped expand my expertise into other areas such as Cisco UCS, Checkpoint Firewalls, Cisco ASA.
- Migration from Cisco to Palo Alto firewall & Cisco to Checkpoint firewall.
- Design, Deploy and Administer VoIP networks. Specializing in UCCX scripting, Unity Connection, Unified Communications Manager, H323 and MGCP gateways
- Manages and configures VPN’s, NATing and Object group based ACL’s on Cisco ASA Firewalls.
- Migrated SAP based applications from old Cisco ACE load balancers to new NSX edges.
- Deploying Site to Site VPN’s, Cisco Any Connect VPN Clients and SSL based Citrix Clients is part of my daily activities
- Experienced with F5 1500 and 4200 series Local Traffic Manager as a reverse proxy for all client external facing websites
- Provided capabilities in supporting Boundary Security Devices, Active Directory, and firewalls to provide F5, TMG and Wireless Application Protocol (WAP) services.
- Worked on Palo Alto PA-5000 and PA-3000 Series hardware handling App-ID, Content-ID and User-ID
- Through presentations at client sites, enabled them to meet various technical standards related to IPv6 and their technology enhancements.
- Create F5 monitor such as Address check, Service check, content check and interactive check using F5 GUI.
- Created AWS Route53 to route traffic between different.
- Configured AWS IAM and Security Group in Public and Private Subnets in VPC.
- Design and Implement the changes on Palo Alto firewalls with PANOS 6.0 version. Make sure we have single pass through in equities environment for fast transactions.
- Experience testing and troubleshooting layer1 circuit, layer 2 devices and WAN connections establishment and protocol debugging
- Experience in WAN connectivity using Cisco routers by using T1, T3 and frame relay connections and its troubleshooting issues.
- AWS Cloud Infrastructure build and implementation.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5580 security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
- Extensively worked with different senior engineers in troubleshooting SAN related issues.
- WAN Infrastructure running OSPF & BGP as core routing protocol.
- Worked in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
- Design and implementation of Networks using TCP/IP
- AWS - design, migration, development and administration
- Knowledge of Client F5 LTM and GTM hardware platforms including engineering design and deployment implementation guidelines.
- Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
- Automating AWS builds with Cloud Formation and Terraform.
- Experience configuring Virtual Device Context in Nexus 7010
- Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
- Use and maintain routing protocols EIGRP, OSPF and BGP on the ISR Router models like 2951, 3845, 3945,7206 in the network & also worked on BGP Route Reflectors, Confederations
- Configured a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
- Configured and Managing LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
Environment: F5 Load Balancer, Cisco ASR 1001/ISR 7206/3845/3945/2951 routers, AWS VPC, NEXUS 7010, 5020 00 / 50 / 3850 switches, TACACS, BGP, SD-WAN, OSPF, Mobile Iron, Palo Alto, Cisco ASA 5580/5505/5520, Cisco ACE.
Confidential, Lansing, MI
Sr. Network Engineer
Responsibilities:
- Experience with moving data center from one location to another location, from Cisco 6500 based data center to both Cisco 6500 & Nexus based data center
- Experience with implementing Cisco 6500 VSS at the distribution/core switches.
- Designed and Deployed QOS on entire LAN and WAN edge devices ( cisco & Juniper) in place of existing non-consistent QOS policy.
- Upgrades Identity Service Engine (ISE) from 1.2 to 1.4 Patch 3
- Extend Enterprise services such as Enterprise middleware and Database management as service to AWS Cloud.
- Responsible for entire LAN and WAN maintenance and troubleshooting of the company network.
- Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.
- Implemented VLAN, LAGs, and Port-channels on Brocade switches.
- Implemented BNA (Brocade Network Advisor) on the migrated network for monitoring and management of the network devices.
- Knowledge of F5 iRules (F5's TCL scripting language) enabling customization of application load balancing solutions through the control and direct manipulation of the application traffic.
- Experience with F5 configuration CLI including both BigPipe and Shell (TMSH)
- Worked on F5 Web Accelerator and Application Security Module (ASM).
- Implementation and support of VoIP networks. for Confidential
- Have good working experience with the Trouble Tickets on F5 Load Balancers.
- Managing enterprise BGP setup by configuring and troubleshooting BGP related issues .
- Scaling of BGP and IGP in the core, dealt with implementation of deployment related to Cisco devices and applying security policies on it.
- Manage Cloud network BGP Point to multicast AWS.
- Conducted SD-WAN Proof Of Concept (POC) preparation (coordinated logical default route change and re-direction of Internet destined traffic to Fortinet 100D firewalls) for future adoption (Viptela, SilverPeak, Riverbed/Ocedo)
- Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues .
- Configuration of NAT.
- Involved in the team for designing and Configured Nexus 7000/5000/2000 in Top of Rack & End of Row Architecture for a Scalable Production Network that supports Rack & Blade server architecture in a Multi-Tenancy environment using VPC, VDC & VRF
- Created Cloud Formation scripts for deploying RDS hot components on AWS.
- Experience in Configuring, upgrading and verifying the NX-OS operation system
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
- Experience working with BGP attributes such as Weight, Local-P, MED and AS-PATH to influence inbound and out bound traffic
- Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing and LAN security.
- Use and maintain routing protocols EIGRP, OSPF and BGP on the ISR Router models like 2951, 3845, 3945,7206 in the network & also worked on BGP Route Reflectors, Confederations
- Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
- Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
Environment: Cisco 7206/3845/3945/2951 routers, NEXUS 7010,5672UP, 2248/6500/4500/3750/3850 switches, AWS (Amazon Web Server), SD-WAN, TACACS, EIGRP, OSPF, and Vulnerability Assessment tools like Nessus, VPN’s, and SSL.
Confidential, Providence, RI
Network Engineer
Responsibilities:
- Worked on Cisco Layer 2 switches (spanning tree, VLAN)
- Router/ Microsoft VPN Server in order to access certain limited network resources from customer locations
- Installed and configured four PIX 525 and two ASA 5520 in customer locations. In addition to that, two PIX firewall configured for the Guest access
- Deployment of Cisco 6500 switches in standalone and VSS modes with SSO and NSF
- Supporting EIGRP, OSPF and BGP based network by resolving level 1 &2 problems of internal Sites
- Providing daily network support for Global wide area network consisting of MPLS, VPN and point-to point site
- Experience working with Network management software NSM
- Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls
- Upgraded load balancers from Radware to F5 BigIPv9 which improved functionality and scalability in the enterprise. Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs
- Experience in migration of Frame-relay based branches to MPLS based technology using multi-layer stackable switch like 6500 series and 2951, 2800 series routers
- Created engineering configuration, Security Standards, documenting processes and Network documentation using Microsoft Visio
- Worked on HP open view map for Network Management System and Ticketing.
- Worked on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercises, and core network repairs.
- Support various Routers like 2600/2900/3600/7200 series routers
- Tested authentication in OSPF and BGP
- Configured and troubleshoot OSPF and EIGRP
- Work on different connection medium like Fiber and Copper Connectivity
- WAN Infrastructure running OSPF as a core routing protocol
- Follow process & procedures for change & configuration management
- Supported nationwide LAN infrastructure consisting of Cisco 4510 and catalyst 6513
- Deployed the switches in high availability configuration with HSRP
- Network Monitoring using tools like Cisco Works 2000
- Participate in all technical aspects of LAN, WAN, VPN and security Internet Service projects including, short and long term planning, implementation, project management and operations support as required
- Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas
Environment: CISCO routers and switches, Access Control Server, VLAN, Trunk Protocols, CISCO ASA, DHCP, DNS, Spanning tree.
Confidential, East Brunswick, NJ
Network Engineer
Responsibilities:
- Responsible for monitoring and reporting error incidents for remote location servers.
- Worked as L1 network (NOC) Engineer support and responsible for escalation of Redstone ISP client’s issues
- Experience in Active Directory, GPOs, DNS, DHCP, File & Print Server, IIS (Web Server), FTP, Terminal Server, RIS, RRAS, NAT, WSUS, Microsoft Clustering, Exchange Mail Server and ISA Server installation, configuration and maintenance
- Installed, Configured and Implemented Terminal Server (TS) RemoteApp on IIS 7.0Windows 2008 R2 published applications using TS Web Access, RemoteApp program and TS Gateway
- Implemented Microsoft Clustering for IIS Web Servers
- Installation, configuration and maintenance of Windows Servers 2003 and 2008
- Responsible for maintaining Active Directory applications
- Installation and configuration of DNS, DHCP, IIS WEB and FTP servers
- Responsible for report generation of Daily, weekly to tape, differential and incremental, and Monthly backups of remote database servers.
- Liaison with ISPs related to circuit problems; raised tickets with Remedy ticketing system and related Remedy to HP Open View system
- Monitored the ticket queue for incoming tickets; updated tickets in accordance to Service Level Agreement requirements and escalated based on severity levels using Remedy
- Performed troubleshooting of routers, and installed and configured CiscoMulti Layer Switches like 3550.
- Resolve DNS issues; add Zones and domain addresses to the configuration files and the daemons on the live servers.
- Installation and support of desktops with Windows 2000 and Windows XP Operating system.
- Provide Remote support and administration on network for internal and external clients using tools like Microsoft remote desktop connection.
- Provide day to day support (troubleshooting & installing) for more than 200 users for hardware, network & software's including Microsoft Office applications, Mail clients and network related issues.
Environment: Citrix desktop, Microsoft Windows servers 2003/2008, Active Directory 2003/2008, TCP/IP, WINS, DNS, DHCP, FTP, LDAP, IMAP.