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Senior Network Engineer Resume

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Rochester, MN

SUMMARY

  • Over 7 years of experience in experience in network design, implementation, and support. Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
  • Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.
  • Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, NAT, PAT, Inspections, VPN’s, DHCP, Wire shark etc
  • Expertise in configuring and troubleshooting of Palo Alto, Juniper Netscreen& SRX Firewalls and their implementation
  • Working Knowledge of Cisco IOS, Junos & basic Nexus (7K, 5K&2K).
  • Switching tasks include VTP, ISL/ 802.1q, VLAN, Ether Channel, STP and RSTP.
  • Strong hands on experience on PIX (506, 515, 525, 535), ASA (5505/5510) Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
  • Responsible for Check Point and Cisco ASA firewall administration across global networks.
  • Experience in testing Cisco routers and switches in laboratory and deploy them on site production.
  • Experience in physical cabling, IP addressing and subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
  • Technology and Infrastructure consultant for Cisco and Juniper design and implementation projects. Specific tasks include Integrated, Integrations, configurations, support and maintenance of routers and switches.
  • Well experienced in configuring HSRP, GLBP, ICMP and SNMP.
  • Experience in installing and configuring DNS, DHCP server
  • Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800)
  • Expertise in installing, configuring and troubleshooting Juniper Routers ( J,M and MX - series)
  • Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
  • In-depth knowledge and hands-on experience in ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
  • Experience in site-to-site and remote access VPN solutions.
  • Experience working with Nexus 7K, 5K and 2K.
  • Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
  • Worked extensively on Palo Alto, Juniper Netscreen and SRX Firewalls.
  • Provided services in many industries such as Consulting, Telecommunications and IT Infrastructure. Specializing in LAN, WAN, WLAN, and Data Center networks
  • Experience with design and deployment of MPLS Layer 3 VPN, MPLS Traffic Engineering, MPLS QOS
  • Diverse industry exposure - telecom, consumer goods, health care and IT consulting
  • Extensive experience in configuring Layer3 routing and layer2/3 switching of Juniper & Cisco based J2320,MX,EX,2950,2960,3600,3750,4500,6500,1700,1800,2600 and 3700 series routers & Switches.
  • Troubleshooting & implementation of Vlan, STP, MSTP, RSTP, PVST, 802.1Q, DTP, HSRP, VRRP, GLBP, LACP, PAGP, AAA, TACACS, RADIUS, MD5, VTP & SVI.
  • Knowledge on complex Checkpoint, Cisco ASA & Palo Alto firewalls Environment.
  • Proficient in setting up IT infrastructure including wide area networks (WAN) local area networks (LAN), security management systems network device administration.
  • Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments
  • Experience working with ARISTA switches like 7100, 7500 for cloud computing, datacenter and low latency networks
  • Experience in RIP, OSPF, BGP, EIGRP.
  • IOS/JUNOS upgrade for Cisco & Juniper routers cum switches.
  • Experience in testing Cisco & Juniper routers cum switches in laboratory scenarios and deploy on site for production.
  • Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professional.
  • Experience with Change management process and Project documentation tools like Excel and VISIO.

TECHNICAL SKILLS

Protocols & Standards: LAN, WAN, WLAN, VRF, VDC, TCP/IP, NAT, PAT, MPLS, GETVPN, GDOI, DMVPN, IPv4, IPv6, VPN,L2TP, IPSec / ISAKMP, IKE, VoIP, VSS, OSPF, OSPFv3, EIGRP, BGPv4, VLANs, ACL’s, Layer 3, Switching, HSRP, GLBP, VRRP, QoS, TACACS+, RADIUS, 802.1X, PKI, LDAP, POE.

Cisco Platforms: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series) Huawei AR Series RoutersExtreme Platform: Extreme & Black Diamond Switches.

Redback: SE 100 SE 600 SE 1200 Series Router

Juniper Platforms: M, J and MX Series Routers

Networking Concepts: Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec, VLAN, VPN and Wireless Technology

Firewall: Palo Alto, Juniper Netscreen and Juniper SRX

Network Tools: IBM ITNM, Splunk, Stealth Watch, Solar Winds, SNMP, Cisco Works, Wireshark

Load Balancers: F5 Networks (Big-IP)

WAN technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1,DS3,OC3, T1 /T3 & SONET

LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q

Security Protocols: IKE, IPSEC, SSL-VPN

Networking Protocols: RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA

Operating System: Windows 7/XP, Windows Server 2008/2003, Linux, Unix

PROFESSIONAL EXPERIENCE

Confidential, Rochester, MN

Senior Network Engineer

Responsibilities:

  • Experienced in Integration, configuration and maintenance of Cisco Router, Catalyst Switches and Firewalls.
  • Datacenter upgrades from C6500s to Nexus 7k/5k/2k, double-VPC between distribution and access, single-VPC to servers
  • Participated in the implementation of CTS on the Mayo environment.
  • Implemented Network segmentation framework and test in Mayo lab as well in Cisco ISE
  • Worked on Various Tracks to configuring CTS on the data center and WAN
  • Actively engaged/monitored Cisco and Mayo Lab
  • As a part of NS team, tagged (CTS) the unknown devices and retagged the incorrectly tagged (CTS) devices
  • During Change Window, engaging with NOC for all clear before start and close and issue open and close email.
  • Configure and apply security group tags to the identified segments
  • Deploy Trustsec for wired network devices in all layers.(AL, DL, CR, WAN)
  • As a part of the Confidential ’s Network Access Control (NAC) team, I am working on deploying ISE
  • Wired & Wireless Authentication, Authorization and Accounting
  • Enabled Device Profiling, Posture Assessment, BYOD provisioning with ISE and Sponsored Guest Access
  • Participated in Deploying SXP to carry SGT tags from remote branch to Data Center over IPSEC tunnel
  • Attend customer escalation calls and provide the necessary support for troubleshooting field related issues.
  • Analyzing failed RADIUS authentications for 802.1x/MAB enabled switches in Monitor Mode
  • Uncover unknown device types that exist on the Mayo network, Work with team to investigate unknown device types
  • Identify any configuration changes that need to be made to endpoint types (Hostnames, FQDN, etc.)
  • Analyze endpoint information collected by ISE for different endpoints and device types
  • Identify existing profiling misconfigurations working with RADIUS, SNMP, DHCP, DNS and
  • Configuration Reviews as needed for Access-lists, SNMP Configuration, IP Helper Address
  • Preparing for RADIUS authentication deployment on 500+ switches
  • Using the Infoblox IP Address Management (IPAM) tool to investigate endpoint DHCP and DNS settings, Using Stat seeker to validate the status and performance of switches (switch port status,
  • CPU, Memory utilization, etc.)
  • Using the Confidential Asset Database for investigating unknown endpoint types to ISE (ie: Medical
  • Devices, Research Devices, etc.)
  • Using the IDA Diagnosis Tool to uncover unknown device types to be analyzed
  • Used the ISE Endpoint Analysis Tool (ISEEAT) to analyze data and design new ISE Profiling Policies.
  • Editing and adding rules on Checkpoint firewalls using smart dashboard.
  • Configuring VLANs/routing/NATing with the firewalls as per the network design.

Confidential, Baltimore, MD

Senior Network Technical Specialist

Responsibilities:

  • Remote infrastructure management of offices in different locations nationwide.
  • Managing Co-location and Datacenter infrastructure in North America.
  • Troubleshooting and escalation management of day-to-day issues for offices.
  • Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
  • Security policy review and configuration in Palo Alto and Juniper SRX Firewall in US offices and Datacenter. Troubleshooting of CISCO routers like ping, trace route and basic issues.
  • Configuring, testing, troubleshooting multiple vendor device platforms like Cisco routing and switching: Cisco ASR9010, ASR901, ASR903, Catalyst Cisco 7609, 2960, and Juniper routing and switching devices: MX960, MX 480 and SRX5200, ACX2200, ALU service aggregation router: 7705 SAR 8 and 7750 service router.
  • Ensure connectivity and communication among networks, servers and clients inside and outside department.
  • Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls for stable VPNs.
  • Installed controller and light weight access point coordination with JTAC.
  • Maintenance and trouble-shooting of LAN, WAN, IP Routing, and Multi layers Switching.
  • IOS upgrade for Cisco routers & switches.
  • Responsible for DNS, and TCP/IP support.
  • Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling
  • Integrated, Integration and trouble-shooting of routing protocols like static and dynamic.
  • Implemented site to site VPN in Juniper SRX as per customer.
  • Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, Blue Coat Proxies and Riverbed WAN Optimizers.
  • Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800)
  • Operations and management of company LAN, WAN, and wireless networks, including routers, switches, Access Points, Firewalls and other network i.e. Riverbed, Bluecoat, F5 LTM/GTM.
  • Configure networks to ensure their smooth and reliable operation for fulfilling business objectives and processes.
  • Designed and deployed hosted network andsecurityinfrastructure supporting a single VSphere cloud across two geographically dispersed data centers in 10 days
  • Designed and maintained the VLAN architecture, IP address scheme,securityarchitecture, securitypolicies, OS hardening, ADS architecture, and DNS Name Space across a Globally dispersed infrastructure.
  • Procured, installed, configured, and maintained Cisco switches, Cisco routers,ASA/PIX firewalls,CheckpointFirewalls(on Sun Solaris hardware),f5BigIP Load balancers, Nortel VPN Hardware, Avaya Firewall/VPN Hardware, and Dell Windows 2000/2003 Servers.
  • Regular upgrade and maintenance of Infrastructure including Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, Blue Coat Proxy and Riverbed Steelhead appliances.
  • Monitor network performance and troubleshoot problem areas as needed.
  • Conduct research on network products, services, protocols, and standards to remain abreast of developments in the networking industry.
  • Create and maintain documentation and Visio diagrams as it relates to network configuration, network mapping, processes, and service records.
  • Ensure network connectivity of all servers, workstations, telephony equipment, fax machines, and other network appliances.
  • Experience with Virtualization technologies like Installing, Configuring and administering VMware and created and managed VM’s (virtual server) and also involved in the maintenance of the virtual server.
  • Improved network capabilities and reliability by evaluating, testing, purchasing, and implementing new SONET, SDH, DWDM, IP/MPLS, Ethernet, and wireless technologies
  • Practice network asset management, including maintenance of network component inventory and related documentation and technical specifications information.
  • Oversee new and existing equipment, hardware, and software upgrades.
  • Responsible for creating and maintaining Microsoft VISIO diagrams and MS WORD documentation of network systems

Confidential, NYC, NY

Senior Network Engineer

Responsibilities:

  • Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.
  • Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, Blue Coat Proxy and Riverbed Steelhead appliances
  • Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
  • Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
  • Worked extensively in Configuring, Monitoring and Troubleshooting Juniper security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
  • Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
  • Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to Get VPN.
  • Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
  • Planning, Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
  • Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto firewall for the proper network routing for the B2Bnetwork connectivity.
  • Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP,
  • UDLD, Spanning Tree Protocol 802.1d, 802.1s and 802.1w.
  • Experience of IP/MPLS/Optical Transmission network for access transport & back haul network to Facilitate 2/3/4G Network.
  • Experience in design and troubleshoot of WLAN.
  • Understanding of mobile backhaul network on IP, Ethernet, ATM, PW & TDM.
  • Knowledge of BTS/ BSC/ NB/ RNC integration on IP network, MPBN integration with SGSN/GGSN including the interfaces like Gi/Gn/Gb/Iub/Gy/Gx/IuPS/IuCS
  • Understanding of 2/3G services and traffic flow.
  • Troubleshooting and management Cisco, Juniper, Huawei, Redback and Extreme devices.
  • Troubleshooting and management of Netscreen and SRX Firewalls.
  • Worked extensively in Configuring, Monitoring and Troubleshooting Juniper security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.

Confidential, Vineland, NJ

Network Engineer

Responsibilities:

  • Responsible for Configuring SITE TO SITE VPN on Cisco ASA 5500 series firewall between Head office and Branch office
  • Installation & configuration of Cisco VPN concentrator 3060for VPN tunnel with Cisco VPN hardware & software client and PIX firewall
  • Designed and implemented F5 Big IP load balancers that resulted in improving application performance.
  • Configured Firewall logging, DMZs& related security policies & monitoring
  • Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the routers.
  • Performed and technically documented various test results on the lab tests conducted.
  • Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series
  • Worked onCiscoLayer 2 switches (spanning tree, VLAN).
  • WAN Infrastructure running OSPF & BGP as core routing protocol.
  • Support various Routers like 2600/3600/7200 series routers.
  • Configure and InstallF5New Virtual Servers, Profiles, IRules, Pools, Nodes, Generate CSR Certificate, SSL Certificates Etc.,
  • Tested authentication in OSPF and BGP.
  • Actively participated and completed many projects based on MPLS VPN, Internet Solutions for corporate customers in COLT.
  • Responsible for troubleshooting complex networking issues in service provider MPLS & internet
  • Backbone.
  • Hands on experience working on Cisco 7600, 12K, ASR routers & Juniper MX series and Juniper BRAS.
  • Actively participated Implementation and customization of customer network.
  • Designing, Provisioning and Installation of the Customer Sites in Oracle IPSA for MPLS Backbone.
  • Implementation and testing of ISDN BRI/PRI circuits.
  • Responsible to troubleshoot the connectivity between CPE router and the COLT's edge router (SAR).
  • Configuration and troubleshooting of many link types i.e. SONET Controllers for sub E1/T1, E3/T3 and
  • POS controllers for STM1 links.
  • Worked closely with RIR(Regional Internet Registry) to procure PI(Provider Independent) and PA(Provider
  • Aggregately) IP addresses and AS numbers for COLT and customers.
  • DNS Zone administration for 13 countries across EU for COLT customers.
  • Set up DNS Reverse Delegation according to RIPE rules in RIPE Database.

Confidential

Jr. Network Engineer

Responsibilities:

  • Migration of RIP V2 to OSPF, BGP routing protocols.
  • Configured EIGRP for Lab Environment.
  • Implemented ISL and 802.1Q for communicating through VTP.
  • Working with Client teams to find out requirements for their Network Requirements.
  • Designing solutions for frozen requirements using Cisco Routers and Switches.
  • Deploying the network infrastructure to meet the requirements.
  • Created VLAN and Inter-Vlan routing with Multilayer Switching.
  • Documenting and Log analyzing the Cisco ASA 5500 series firewall.
  • Monitor performance of network and servers to identify potential problems and bottleneck.
  • Performed administrative support for RIP, OSPF routing protocol.
  • Maintained redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.
  • Real time monitoring and network management using Cisco Works LMS.
  • Provided technical support on hardware and software related issues to remote production sites.

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