SUMMARY

• Around 8 years of experience in Networking and Security, including hands - on experience in providing network support, installation and analysis for a broad range of LAN / WAN/MAN communication systems.
• Extensive knowledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Translation from IPv4 to IPv6, Multilayer Switching, UDP, Ethernet, Voice & Data Integration techniques.
• Hands on experience in configuring Cisco Catalyst 2960, 3750, 4500, 6500 and Nexus 3000, 5000, 6000, 7000series switches and Cisco2600, 2800, 3600, 3800, 7200, 7600series router.
• Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls(SRX240, SRX550)
• Experience configuring and troubleshooting OSPF, EIGRP, BGP, VLAN’s, Trunking, VTP, STP, PVST, RSTP, HSRP, 802.1q, and Ether-channels.
• Experience securing and managing remote access using various VPN technologies like IPSec, SSL, and GRE.
• Working knowledge of network monitoring/management tools like Wireshark, TCP dump, Cisco Prime, Net Flow, PRGT, Solar Winds.
• Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NAT with the firewalls as per the design.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
• Involved in the configuration and maintenance of IPSec Site-Site VPN.
• Extensive experience in IPAM, DHCP, Cisco technologies, and leadership experience.
• Background in network design, including Wide Area Networking (WAN), Local Area Networking (LAN), Multiple Protocol Labeling Switching (MPLS), DS3.
• Reviewing all changes to network configuration for technical accuracy and provide solutions to Multi-Protocol Network problems.
• Involved in designing and commissioning WAN infrastructure for redundancy in case of link failure. Responsible for technical evaluation, troubleshooting, overall project management, problem solving and turn-up of the service with the ISP.
• Created and design network layout and documented network system design with detail information using Visio software. Vendor co-ordination for hardware issues and assessment management.
• Configuring and implementing routing protocols including RIP, TCP/IP, RIP v1/v2, OSPF, EIGRP, ISIS and BGP.
• Strong interpersonal, organizational communication, customer service & presentation skills.
• Performed professional level documentation using Visio diagrams.
• Strong scripting skills for task automation and tool framework extension (Python, C, Perl).
• Hands-on experience with installing and managing IT services such as Active directory, ADFS, site replication, DNS, SSH, DHCP, NAT.

TECHNICAL SKILLS

Routers: Cisco 7600, 7200, 3800, 3600, 2900, 2800, 2600

Routing: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route Filtering, Redistribution, Summarization, and Static Routing.

Switches: Nexus 2K/5K/7K, Cisco Catalyst 6500, 4500, 3850,3560, 3750, 2960

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels, Transparent Bridging.

Network Security: Cisco ASA 5540, ACL, IPSEC,F5 Load Balancer, Checkpoint

Juniper Platforms: SRX, MX, EX QFX Series Routers and Switches

Load Balancer: F5 Networks (Big-IP) LTM 8900 and 6400.

LAN: Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (T1/T3), Fiber Optic Circuits, Frame Relay.

Gateway Redundancy: HSRP and GLBP

WAN Optimizer: Riverbed Steelhead Appliance viz: SaaS, IaaS

DHCP and DNS: Infoblox

Various Features & Services: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP, HTTP, HTTPS, SSL, SMTP.

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Network Management: Wireshark, SNMP, Solarwinds

Scripting Language: C, Python, Tcl/Tk

PROFESSIONAL EXPERIENCE

Confidential, Detroit, MI

Sr. Network Engineer

Responsibilities:

• Managing and supporting large scale MPLS & Frame relay on Cisco & Juniper environment for more than 5000 Retail sites, 100 Distribution centers, 100 offices and 3 datacenters.
• Provided Network Support in the designing and implementation, DSL over ATM and
• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the vendor.
• Managing and upgrading IOS image files and taking configuration back-up.
• Configuring Static, EIGRP, RIP and OSPF Routing Protocols on Cisco 1600, 2600, 2800, 3600, 7300 series Routers.
• Design, and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs in the network
• Worked with an IPAM system and different internal departments on large managed projects. Experience managing technical projects
• Configured Site to Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
• Used IPSec VPN tunneling to provide access to user machines and partners in other network. Provided application level redundancy and availability by deploying F5 load balancers LTM.
• Achieving the required Quality of Service (QoS) by managing the delay, delay variation (jitter), bandwidth, and packet loss parameters on a network becomes the secret to a successful end-to-end business solution
• Configured VLAN Trunking 802.1Q, STP (802.1d), Port Security on Catalyst 6500 switches
• Created Visio Dean / Visio Documentation to give complete picture of network design for each building.
• Worked extensively in Configuring, Monitoring and Troubleshooting Check point security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design.
• Responsible for Checkpoint firewall management and operations across our global networks.
• Working with Checkpoint Support for resolving escalated issues.
• Planned and implemented network designs, including WAN, LAN, MPLS.
• Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation
• Configured and managed VLANs, 802.1Q Trunk, RPVST+, Inter-VLAN routing, HSRP and LAN security for Layer-2 and Layer-3 switching domains as per the organization's requirement plan. IP Allocation for all applications and servers with high availability throughout the company.
• 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.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network
• Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring
• Expertise in developing Complex Automated Script Framework, utility functions manually for HTTP(S) Protocol.
• Configuring Virtual Chassis for Juniper switches EX-4200,Firewalls SRX-210
• Configuring Juniper switches QFX5100, QFX5200, QFX .
• Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
• Performing network monitoring, providing analysis using various tools like Wireshark, Solar winds etc.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers
• Deployments for use cases such as SaaS, IaaS, and data center migration.

Environment: Cisco 1600/2600/2800/3600/7300 Routers, Cisco 2948/3560/4500/3560/3750/3550/3500/2960 Switches, RIP, OSPF, BGP, EIGRP, VLAN, MPLS, ASA 5500, F5 Load Balancer 6400, STP, RPVST, LAN, WAN and HSRP, DSL

Confidential, Mclean, VA

Network Security Engineer

Responsibilities:

• Worked on 2600, 3500, 7613 Cisco Routers and 4500 and 6500 series Cisco Switches.
• Played responsible role for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services.
• Configured and managed Cisco access layer routers and switches
• Provided support for troubleshooting and resolving customer reported issues
• Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
• Worked on F5 and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance.
• Configured and managed OSPF redistribution and authentication with type 3 LSA filtering and to prevent LSA flooding and also configured OSPF over frame relay networks.
• Designing, configuring, implementing and troubleshooting (LAN) VLAN’s, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience
• Implemented site to site VPN in Juniper SRX as per customer.
• Implemented various EX, SRX & J series Juniper, MX devices.
• Implementing and managing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Configuring HSRP for network redundancy and High availability.
• Implemented QoS for high-quality video and delay-sensitive data such as real-time voice
• Involved in designing of LAN (Ethernet) and WAN infrastructure for the new Data Centre Using MS Visio.
• Configuring VPN for site-site and remote access.
• Designed BFD to detect failures in communication with a forwarding plane next hop.
• Designing and configuring IP address schemes.
• Maintaining Cisco hardware and Cisco IOS upgrade.
• Configured Cisco 1231 Access points with 5959 and 4941 antennas (802.11/a/g).
• Designing, configuring, implementing and troubleshooting (LAN) VLAN’s, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
• Implementing and managing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Configuring and implementing F5 BIG-IP,LTM,GTM load balancers to maintain global and local traffic
• Planned, tested and evaluated various equipment’s, systems, IOSs and procedures for use within the Network/ security infrastructure.
• Upgrading IOS, troubleshootingnetworkoutages.
• Deployments for use cases such as SaaS, IaaS, and data center migration.
• 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.
• Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers.
• Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network.
• Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Extensively worked on Nexus 5k and 7k, configured and troubleshooted.
• Expertise in developing Complex Automated Script Framework, utility functions manually for HTTP(S) Protocol as per CMMI level 5 standards using Network Sniffers like HTTT Watch, and Firebug.

Environment: Cisco 3640/1200/7200/3845/3600/2800/2600/3500/7613 Routers, Cisco Wi-Fi routerISP, 800, MSE, Cisco 3750/3550/3500/2960/4500/6500 Switches,LAN,WAN,EIGRP,OSPF,RIP,BGP,F5 Load Balancer,VTP,VLAN,HSRP,HTP,IPV4,Nexus 5K,7K,LTM,GTM

Confidential, Farmington Hills, - MI

Network Engineer

Responsibilities:

• Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.
• Configuration and Administration of Cisco and Juniper Routers and Switches.
• Validate existing infrastructure and recommend new network designs.
• Installed and maintained Cisco and F5 Load Balancer documentation.
• Responsible for network design, bandwidth allocation, IP address allocation, supervising installation, configuration and maintenance on major network technologies.
• Worked with various internal organizations during pre/post deployment phase of different type of circuits.
• Installed and configured Cisco 2600, 2800, 3600, 3800 routers and 2950, 3700, 6500 switches.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.
• Configured Juniper switches QFX ..
• Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs in the network
• Maintained and managed networks running OSPF and BGP routing protocols.
• Configured route redistribution between OSPF and EIGRP in a multi-area OSPF network.
• Daily monitoring of network traffic using sniffers (Wireshark) and access logs to troubleshoot and identify network issues.
• Deployments for use cases such as SaaS, IaaS, and data center migration.
• Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, port aggregation.
• Worked with MPLS to improve quality of service (QoS) by defining LSPs that can meet specific service level agreements (SLAs) on traffic latency, jitter, packet loss and downtime.
• Route redistribution and route update manipulation using route-maps; distribute lists and AD manipulation and link negotiation.
• Providing Tier II support in the provisioning, end-to-end test and turn-ups and maintenance of the major accounts. Optimizing Network by continuously and extensively working with customer to upgrade and optimize network and Circuit Move Add Changes including detailed design documentation.
• Performed Layer I, II and III troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for BGP, OSPF, RIP, RIPv2, EIGRP, Static and default route in a VPN environment using MPLS.
• Implemented and troubleshooted the MPLS network.
• Implemented changes and upgrades to network equipment and perform quality assurance reviews of those upgrades. Reviewed all changes to network configuration for technical accuracy and impact.
• Provided Network Support in the designing and implementation of Point to Point over T1s Frame Relay, DSL over ATM and IP over Frame Relay and Gigabit Ethernet.
• Documentation of network resources, systems, peripherals, procedures and policies for optimization of IT resources and security.
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
• Responsible for Checkpoint and Cisco ASA firewall administration across global networks.
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Co-ordinated with the Data Network and Security team and came up with possible solutions.
• Work on Physical site Inventory verification, gather information of various Cisco Network devices and Security Devices to develop Run book and Spec Book.
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.
• Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open view) and experience with developing complex network design documentation and presentations using VISIO
• Estimated Project costs and created documentation for project funding approvals.

Environment: Cisco 2600/2800/3600/3800 Routers, Cisco 2950/3700/6500/7613 switches, ASA Firewall, RIPv2, OSPF, BGP, EIGRP, LAN, WAN, MPLS, F5 Load Balancer, VLAN, TrunkingATM, PPP

Confidential

Network Engineer

Responsibilities:

• Configuring routing protocols OSPF, EIGRP, RIP, MPBGP, LDP and BGPV4.
• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels
• Provided Network Support implementation of Point to Point over T1s Frame Relay, DSL over ATM.
• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
• Switches Replace branch hardware with new 2851 routers and 2960 switches.
• Implemented WLAN Aruba Wireless Access Points and its Controllers at various corporate sites fort 11n Infrastructure and its legacy technologies.
• Setup Access list and configured Firewall.
• Implemented QoS for Voice traffic.
• Planned and executed the migration from PSTN to IP Telephony, CUCME and 7960 IP Phones.
• Designed and implemented IT security policies and networked backup systems.
• Documented and maintained technical diagrams, documented logical and physical topology, and other IT procedures.
• Reviewed, approved, procured various IT hardware and software products to fulfill strategic and operational needs of various departments.
• Worked with management and various departments to develop procedures and troubleshoot problems as they arose.
• Coordinated with higher-level support and external vendors for resolution
• Maintained all servers & network equipment with current stable firmware, IOS images & access control lists
• Implemented strategies for operating systems, virus protection, mail systems and Internet services
• Performed scheduled Virus Checks & Updates on all Servers & Desktops.
• Resolved all computer related problems, monitored and maintained system functionality and reliability by identifying ways to prevent system failures

Confidential

Network Engineer

Responsibilities:

• Hands on experience with Juniper EX-Series Ethernet Switches.
• Worked on Installation of PIM modules on Juniper J-Series, MX series routers.
• Configuring and deployment of Juniper ERX310 router.
• Worked on designing, configuring & troubleshooting of routing protocols: RIP, EIGRP, OSPF, LDP, MP-BGP, BGP v4.
• Configured IP access filter policies.
• Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.
• Worked on Firewall Administration, Rule Analysis, and Rule Modification.
• Resolved various OSPF issues in an OSPF multi area environment.
• Created, configured and 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.
• Configuring RIP, OSPF and Static routing on JuniperRouters.
• Involved in configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
• Active participation on operational support for routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Troubleshooting traffic passing managed firewalls via logs and packet captures.
• Strong working knowledge and troubleshooting of T1, T3, OC-3 and OC-12.
• Estimated Project costs and created documentation for project funding approvals.
• Managed various teams involved in site surveys, cabling specifications, Network equipment installation and configuration.
• Identify design, configuring and managing flexible, responsive, and secure technology services.
• Gathering the information on planned resources and presented the project status to higher management.
• Implementation and deployment of series 7613 as PE and router and configuring and troubleshooting the Edge Routers.