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Sr. Network Engineer Resume

CA

SUMMARY:

  • Cisco certified Network Engineer around 9 Years’ experience in design, implementation, configuration of Cisco Routers, Switches and Firewalls, troubleshooting & fine - tuning of Firewalls, VPN configuration, troubleshooting network related problems in Enterprise& Data Center Networks.
  • Experience in implementing and configuring protocols such as HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP, and SNMP.
  • Experience in working with Cisco routers and switches implementing protocols such as EIGRP, OSPF, IS-IS BGP and MPLS on edge routers and so.
  • Experience in handling Network Monitoring tools and Packet capture tools ( NAM, New Relic, OPNET, Netflow, Wireshark, Sniffer ) .
  • Hands-on experience configuring and troubleshooting of routing protocols RIP v1/v2,
  • Worked with Red Hat Enterprise Linux with virtual servers using VMware.
  • Experience with Windows server products and Linux server products.
  • Adept understanding of the JUNOS platform and worked with IOS upgrade of Juniper devices.
  • Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, bridges, routers, hubs and switches.
  • Configuring and maintaining Juniper(JUNOS) SRX 5400, 5800 series firewalls and implementing IPSEC L3VPN.
  • Troubleshoot NetScaler & VPN related issues.
  • Experienced firewall engineer with advanced knowledge of Checkpoint, Fortinet, Cisco ASA 5500 series, JUNOS and Palo Alto PA-200.
  • Designing high availability between Arlington, VA and Alpharetta, GA datacenters with Citrix Netscaler Load Balancing.
  • Configuration of Juniper SRX series firewalls for outbound traffic via blue coat proxy server.
  • Designs, develops, documents and analyzes overall architecture of systems, including hardware and software.
  • Responsible for switching tasks such as VTP, ISL/ 802.1Q, IPsec and GRE Tunneling, VLAN, Ether Channel, STP RSTP, PVST+.
  • Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500, and 1800 series routers, Cisco Catalyst 6500, 4500, 3750, 2950, and 3500XL series switches.
  • Experience with Cisco IOS XR on ASR9000, 12000 series routers.
  • Worked on Cisco UCM administration and Cisco UCCX call system
  • Hands on experience in configuring and supporting site-to-site and remote access Cisco, IPsec, VPN solutions using ASA/PIX firewalls, Cisco, VPN client in addition to providing TACACS+ and RADIUS services.
  • Experienced in developing web-based applications using Python , Django, PHP, XML, CSS, HTML, Bottle, JavaScript and JQuery.
  • Expertise in implementation of IP addressing schemes (includes VLSM) and IP services to meet medium level enterprise level network requirement
  • Experience working with Nexus 7010, 5010,5548, 2K devices.
  • Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps, Cisco ASA firewall.
  • Experience on migration and troubleshooting problems with level 2, level 3 and level 4 and applications as well.
  • Good knowledge of customizing Citrix web Interface.
  • Extensive experience with Citrix XenApp, Microsoft Server OS (2000, 2003, 2008R2, 2012), Citrix Provisioning Services 5.6, 6.0, 6.1, and 7.1 and XenDesktop 5.6 and 7.1 5.
  • Experience and proficiency with Juniper platforms, including SRX, EX, and MX; and enterprise MPLS WAN.
  • Experience in installing and configuring DNS, DHCP server.
  • Designing experience with MS Visio, Whiteboard, etc.,
  • Hands on experience with Juniper EX-Series Ethernet Switches.
  • Operate an RF test device and collect measurement and optimized network.
  • Supporting and running Cisco Routers (ACL, Ip Sec Tunel ).
  • Good knowledge and experience in installation, configuration, and Administration of Windows 2000/2003, HTTP, FTP, DNS, NTP, DHCP servers under various LAN and WAN environments.

TECHNICAL SKILLS:

Routers: Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, and 7200)Switches: Cisco L2 & L3 Switches (2900, 3560, 4500, 5000 & 6500), ASA, PIX, FWSM, Juniper, Netscreen

LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, VLAN, Inter-VLAN Routing, VTP, STP, RSTP

WAN Technologies: Frame Relay, ATM, ISDN, PPP, HDLC

Firewalls: Firewalls/VPNs ASA, PIX, Cisco VPN, IPsec, Intrusion Detection

OS products/Services: DNS, DHCP, Windows (2000/2003, XP), UNIX, LINUX, Microsoft SQL Server 2000 and 2005, VMware.

Protocols/Services: Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QoS, HSRP, VRRP, TCP/IP, load balancer, Proxy servers, IPSec, MPLS, PPP, VoIP, SIP, H.323

Network Management Tools: Wireshark, Netflow Analyzer, HP OpenView, Cisco Works, Ethereal, OPNET, Solarwinds

Security Server Protocols: TACACS+, RADIUS,VRF

Languages: C++, Perl, Python

Tools:, Softwares VM ware, Virtual Box, Cisco packet tracer, GNS3, Cloud computing Concepts, Software Defined Networking, MS Visio.

PROFESSIONAL WORK EXPERIENCE:

Confidential, CA

Sr. Network Engineer

Responsibilities:

  • Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.
  • Implemented various routing protocols such as RIP, EIGRP, and OSPF on Juniper MX routers; also taking care of issues such as discontinuous networks.
  • NAT’ing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols.
  • Automated deployment modules of IIS web applications, bindings and configuration settings using a combination of PowerShell scripts and Puppet. comfortable with complex Juniper JunOS configurations (EX, QFX, MX, and SRX platforms), including routing protocols (BGP, OSPF, ISIS, VRRP), firewall rules, Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.
  • Experience with design and implementation of Virtual Switching System (VSS) for both User segment and server segment using 6509-V-E catalyst switches
  • Experience with managing the completed end to end site solutions
  • Hands on experience with Juniper EX-Series Ethernet Switches.
  • Worked on Installation of PIM modules on Juniper J-Series routers.
  • Experience in Citrix NetScaler application delivery controller.
  • Configured the Ipsec L3VPN tunnel as well as DM L3VPN for flexibility in Juniper(JUNOS) Firewalls.
  • Experience with design and implementation of Data center migration.
  • Implementing and Troubleshooting VRF lite routing using Static, OSPF and EIGRP routing with redistribution into BGP.
  • Designed, Implemented and Troubleshot Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches, GSR, ASR routers with Cisco IOS and IOS-XR and NX
  • Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 7010, 6500, 4500, 3500, and 2900.
  • Upgraded the data center network environment with Cisco ASA 5520. Configured ACL’s on Cisco Switches as well as configured routers as terminal servers.
  • Experience with Server Administration using Linux
  • Worked on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
  • Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches
  • Installed, configured, maintained and Troubleshoot companies voice network using cisco Voice Gateways.
  • Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development.
  • Experience with Racking, Stacking, configuring, Nexus 5548,5020 and 2K and 7010.
  • Installed wireless access points (WAP) at various locations in the company.
  • Deployment of Palo Alto firewall into the network. Configured and wrote Access-list policies on protocol based services
  • Troubleshooting of protocol based policies on Palo Alto firewalls and changing the policies as per the requirement and as per traffic flow Created dedicated VLANs for Voice & Data with QOS for prioritizing VOICE over DATA.
  • Configured Voice ports and Dial peers on the call manager for the VOIP call to reach remote destination.
  • Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.
  • Implementing firewall rules and configuring Palo Alto Network Firewall
  • Installing and configuring the windows servers with specific requirements on the VMware.
  • Worked on configuration and commissioning of the MPLS circuits for various branch offices.
  • Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
  • Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
  • Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
  • Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
  • Installation and Configuration of Citrix servers and administration publishing application.
  • Handled Network capacity planning, modeling, and traffic optimization and experience in using tools (OPnet, Netflow, etc.).
  • Configured ACL’s in Cisco 5520 ASA firewall for internet Access requests for servers, Protocol Handling, Object Grouping and NAT
  • Responsible for Data Center Migrations and its operations including the change from 6500 switches to nexus series switches, configured VPC/VDC on nexus 2k, 5k and 7k.
  • Loading, analyzing and extracting data to and from Oracle database with Python.
  • Experience in deploying, configuring & maintaining F5 3DNS (Global traffic Manager) Controller and BigIP - LTM (local traffic manager) for wide area load balancing and global redirection using VPN and Proxy load balancing techniques.

Environment: Cisco Routers, Cisco Switches, Nexus 7k/5k/2k Routing protocols, F5, Load Balancer HSRP, VRRP, IPSEC VPN, VPN, QOS, ASA firewall, Load balancer, MPLS, VLANS, VTP, RSTP, ACL, NAT, IDS/IPS, SIP, RTP, RADIUS, TACACS+, Juniper SRX, ASR 9000, Catalyst 6500, CRS, Cisco ASR Firewall.

Confidential, Austin, TX

Sr. Network engineer

Responsibilities:

  • Experience working with MPLS Layer 3 VPN on ASR 9006 with IOS-XR.
  • Experience with converting Cisco 6500 IOS to Cisco Nexus NX-OS in the data center environment.
  • Experience working with Nexus 7010, 5020, 2148, 2248 devices.
  • Experience with configuring Nexus 2000 Fabric Extender (FEX), which acts as a remote line card (module) for the Nexus 5000.
  • Experience configuring VPC, VDC and ISSU Software upgrades on Cisco Nexus 7010.
  • Experience in configuring, upgrading and verifying the NX-OS operation system.
  • Experience in Juniper Netscreen 5200 firewall and VPN Security Systems in large Enterprise and Data Centers.
  • 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.
  • Working with Juniper JUNOS operating system and working on M and MX series routers.
  • Experience working with BGP attributes such as Weight, Local-P, MED and AS-PATH to influence inbound and outbound traffic.
  • Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter Vlan routing and LAN security.
  • Upgraded load balancers from Radware to F5 BigIP v9, which improved functionality and scalability in the enterprise.
  • Configured dedicated VLAN's for VOIP networks as part of implementing IP telephony in company's infrastructure.
  • Stood up the Disaster recovery Netscalers, tested and validated.
  • Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
  • Use and maintain routing protocols EIGRP, OSPF and BGP on the Routers in the network & 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.
  • Troubleshoot end user Citrix application access issues to other complicated presentation server related issues.
  • Experience with convert PIX rules over to the Cisco ASA solution.
  • Responsible for Cisco ASA firewall administration across our global networks.
  • Support customer with the configuration and maintenance of PIX and ASA firewall systems.
  • Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
  • Configuring IPSEC VPN on SRX series firewalls.
  • Ability to plan independently and execute product testing with quality ( White box, Black box testing , Scalability, performance, solution and system testing ).
  • Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210
  • Implemented HSRP on the Cisco 2948G Layer 3 switches and EIGRP, OSPF on 2 Cisco 2610 routers, the Layer 3 switch, 3 Cisco 350XL Switches, Cisco 3524XL switches for load balancing and fail over.
  • Configuring ASA Firewall and accept/reject rules for network traffic.
  • Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE, ADSL, Multilayer Switching, DoD standards.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000/ 7200/3845/3600/2800 routers, Checkpoint, OSPF, BGP, VLAN, HSRP, LAN, WAN, IPV4, AS Firewall, Checkpoint, Nexus 7K/5K/2K.

Confidential, Detroit, MI

Network Security Engineer

Responsibilities:

  • Responsible for the configuration of Cisco Routers (7000, 5300, 4000, 2500, 3000, 2600) using RIP, GRP, OSPF, EIGRP, BGP
  • Implemented Cisco IOS Firewall IDS using 2600 series router cr
  • Managed office network with Cisco devices with network devices including 2500 and 3600 series routers and 3500, 2900, 1900 series switches
  • Analyzed and resolved a high percentage of initial customer contact in the areas of PC/LAN.
  • Dealt with customer problems to management and support groups utilizing standard escalation model.
  • Extensive experience in configuring and implementing OSPF and BGP.
  • Supported core network consisting of Cisco 7200 series routers running multi area OSPF.
  • Configured EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution, installed and maintained Cisco 3600, 2600 and 7200 backbone routes with HSRP
  • Implemented stub/Totally stub areas and various OSPF features like route-summarization and SPF throttling.
  • Hands-on experience with WAN technologies like T1/T3, DS3, STM1 and STM4 circuit types
  • Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists.
  • Implemented Cisco Secure Access Control Server (ACS 3.0) for TACACS+/RADIUS
  • Knowledge with redistribution of routing protocols and Frame-Relay configuration
  • Handled Network Migration from RIP to OSPF.
  • Implementation of TCP/IP and related Services-DHCP/ DNS/ WINS
  • Configured, maintained and troubleshot routing protocols such as OSPF, EIGRP and BGP.
  • Assisted with escalation procedures and customer notifications.
  • Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
  • Upgraded Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
  • Acted as Tier 3 support for connectivity, failures, configuration, implementation, and troubleshooting.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000/ 7200/3845/3600/2800 routers, Checkpoint, OSPF, BGP, VLAN, HSRP, LAN, WAN, IPV4, AS Firewall, Checkpoint, Nexus 7K/5K/2K.

Confidential

Network Engineer

Responsibilities:

  • Experienced in configuring Site-to-site and remote access VPN solutions.
  • Installed and configured Cisco 7200 series router and Cisco 2950, 4500, 6500 Series switches.
  • Configured networks using routing protocols such as RIP, OSPF, and BGP and troubleshooting L2/L3 issues.
  • Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels
  • Configuration of Cisco 6500 (sup 720), 4500 (SUP 6) & 3750 Catalyst Switches for network access.
  • Worked extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series, experience with convert PIX rules over to the Cisco ASA solution.
  • Configured RIP, OSPF and Static routing on Juniper M and MX series Routers
  • Configured VLAN, Spanning tree, VSTP, SNMP on EX series switches
  • Helped with time-to-time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HRSRP, EIGRP in unequal cost load balancing to build resilient network.
  • Designed and implemented Catalyst/ASA Firewall Service Module for various LAN’s.
  • Key contribution includes troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF, & BGP.
  • Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
  • Configuring ACL to allow only authorized users to access the servers.
  • Participated in on call support in troubleshooting the configuration and installation issues.
  • Installation, maintenance, troubleshooting local and Wide Areas Network (ISDN, Frame relay, DDR, NAT, DHCP, TCP/IP).
  • Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication
  • Provided technical support in terms of upgrading, improving and expanding the network.
  • Providing technical security proposals, detailed RFP responses, and security presentation, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures.

Environment: Cisco Routers, Cisco Switches, Nexus 7k/5k/2k Routing protocols, VLAN’s (VOIP), F5, Load Balancer HSRP, VRRP, IPSEC VPN, VPN, QOS, Cisco PIX, ASA firewall, Load balancer, MPLS, VLANS, VTP, RSTP, ACL, NAT, IDS/IPS, SIP, RTP, RADIUS, TACACS+, Juniper SRX, ASR 9000, Catalyst 6500, CRS, Cisco ASR Firewall.

Confidential

Network Engineer.

Responsibilities:

  • Designed and implemented Cisco VoIP infrastructure for a large enterprise and multi-unit office environment. Met aggressive schedule to ensure a Multi-office reconfiguration project which was successfully delivered
  • Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
  • Expertise in installing, configuring and troubleshooting Juniper Routers (J,M and MX-series).
  • Responsible for Juniper and Cisco ASA firewall administration across global networks.
  • Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
  • Handled SRST, implemented, and configured the Gateways, Voice Gateways.
  • Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
  • Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
  • Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
  • Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
  • Worked on the security levels with RADIUS, TACACS+.
  • Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
  • Configured juniper ACX 1100, Cisco 3900 & 2900 routers and Cisco 4500 and 3750 catalyst switch using routing protocols such as OSPF and BGP also utilized juniper EX3200 Ethernet switch.
  • Carry out full installation of Cisco routers, switches and various hubs. Successfully engineered a virtual private network (VPN) solution utilizing Windows 2003 Server. Held responsibilities to configure, install and administer network infrastructure and telecommunication systems.

Environment: Environment: Net Flow, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, CSM, SUP720, Ether Channels, Cisco 7200/3845/3600/2800 routers, Fluke and Sniffer, Cisco 6509/ 3750/3550/3500/2950 switches, Checkpoint firewalls(SPLAT).

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