Sr. Network Engineer Resume
Dearborn, MichigaN
SUMMARY
- 8+ years of experience in network system design, implementation, administration and troubleshooting and Cisco and Juniper Certified Network Professional.
- Worked on F5 LTM, GTM series like 6400, 6800, 8800, Viprion for the corporate applications and their availability.
- Knowledge in planning, design, implementing and troubleshooting complex networks and advanced technologies.
- Identify, design and implement flexible, responsive, and secure technology services.
- Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
- Advanced knowledge in Cisco ASA 5000 series and Juniper SRX installation, configuration and maintenance.
- Working knowledge of networking devices such as Routers, Switches, Firewalls, VoIP, WAN Optimizers and Wireless Devices (Controllers and Access Points).
- Adept at configuring and troubleshooting of VPC on Nexus 7Ks, 5Ks and VDC on NX7Ks.
- Hardware knowledge of various line cards in Nexus 7Ks and 5Ks.
- Expertise in Configuration of Virtual Local Area Networks (VLANS) using Nexus 7Ks, Cisco routers and multi - layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble- shooting of inter-VLAN routing and VLAN trunking using 802.1Q.
- Deploying Intrusion Detection System (IDS), Intrusion Prevention System (IPS) devices in the network.
- Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and Policy routing over Cisco Routers, Switches (Nexus 7Ks, Catalyst 6500).
- Experience with NX-OS on Nexus Switches.Excellent experience in working with Cisco 1800, 2500, 2600, 2620, 2800, 2900, 3600, 3800, 3900, 7200, 7600 and ASR 1000, 9000 series Cisco Routers.
- Experience working on Juniper series of devices like MX-960, MX-480, MX-104, M10i, M7i, SRX-550, SRX-240, SRX210 and EX, QFX series of switches.
- Experienced in working with Cisco 2900, 3500, 3700, 4500, 6500 series Cisco Catalyst Switches and Nexus Switches 2200, 5500 and 7000.
- Experience in configuration and deployment of dynamic routing protocols OSPF, EIGRP & BGP over Cisco Routers.
- Worked on Migration projects involving the refresh of devices from Cisco to Juniper in the network infrastructure.
- Expert in Configuration and troubleshooting of Virtual Local Area networks (VLANs) using Cisco routers and multi-layer Switches supporting STP, RSTP, PVSTP, MSTP andIEEE 802.1q, inter VLAN routing and VLAN trunking.
- Implemented redundancy with HSRP, VRRP, GLBP, and Ether channel technology (LACP, PAgP).
- Router configuration for L2/L3 LAN and WAN networks and Intra company networks.
- Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
- Technical experience in LAMP (Linux, Apache, MySql, PYTHON) architecture.
- Experience in technical documentation of MOPS, Project handoff documents and Visio Drawings.
- Aware of procedures in change management and implementation of changes in accordance to the procedures.
- Hands-on experience using Cisco Virtual Switching System (VSS).
- Hands on experience in using Network Monitoring and Packet Sniffing tools.
- Strong interpersonal, organizational communication, customer service & presentation skills.
- Review all changes to network configuration for technical accuracy and impact and provide Multi- Protocol Network problem resolutions.
TECHNICAL SKILLS
Cisco Routers: 2600, 2900, 3600, 3800, 7200 and 7600
Juniper Routers/Switches and firewalls: MX240, MX480, MX960, EX2200, EX4200, EX4300, SRX240, SRX550 SRX1500 and SRX5600
Cisco L2 & L3 Switches: 2900, 3560, 3750, 4500, 4900, 6500, Nexus 5K/7K/9K
LAN Technologies: Ethernet, Fast Ethernet, and Gigabit Ethernet, SMTP, VLAN, Inter-VLAN Routing, VTP, STP, RSTP, Light weight access point, WLC.
WAN Technologies: Leased lines 128k - 155Mb (PPP / HDLC), Fiber Optic Circuits, Frame RelayISDN, Channelized links (T1/DS3/OC3/OC12), Load Balancing.
Network Security: Cisco ASA, ACL, IPSEC, Juniper SRX.
OS products/Services: DNS, DHCP, Windows (2000/2003/2008 , XP), UNIX, LINUX.
Routing Protocols: MPLS, OSPF, EIGRP, BGP, RIP-2, PBR, IS-IS, Route Filtering, Redistribution, Summarization, Static Routing, IPv4,IPv6.
Gateway Load Balancing: HSRP, VRRP, GLBP
Various Features / Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP and FTP Management
Network Management Tools: Wireshark, Netflow Analyzer, Cisco Works, Ethereal, SNMP, HP open view, Ethereal, Solarwinds, Splunk.
Security Server Protocols: TACACS+, RADIUS, Cisco FirePOWER
Facilities: DS0, DS1, DS3, OCX, T1/T3
Load Balancers: Cisco CSM, F5 Networks (Big-IP) LTM 8900, Cisco ACE 4710.
Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7), Linux
Firewall & Security: Checkpoint, Palo Alto, Cisco ASA 5520, PIX 501, 515E, 520,API
Areas of Expertise: Client support, On-going monitoring, Capacity planning, Consulting skills, Cisco support, User acceptance testing, Network build out, WAN monitoring, Maintaining architecture, Netflow analysis, Vendor management, End to end troubleshooting, python.
PROFESSIONAL EXPERIENCE
Confidential, Dearborn, Michigan
Sr. Network Engineer
Responsibilities:
- Played responsible role for implementing, engineering, and level two support of existing network technologies/ services and integration of new network technologies/services.
- Worked on 3560, 3750, 3850, 4510,4500-X, 6509 series Cisco Catalyst switches, and 2248, 5020, 5548 and 7010 Cisco Nexus switches in multi VLAN environment for the implementation of inter-VLAN routing, 802.1Qtrunking, and Ether Channel.
- Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security.
- Configuration of site-to-site VPN connections (IPsec/GREtunnels, DMVPN) to support diverse network connections to extranet clients.
- Worked as a member of the NOC groups to troubleshoot issues related to IP phones, Connectivity and application slowness.
- Troubleshoot issues with Wireless Access points (Cisco 3502) and configure SSID’s on 4506 Wireless LAN Controllers.
- Upgrading from Cisco WAAS to Riverbedsteel-heads.
- Perform wireless network surveys utilizingAirMagnetSurvey Pro and producing Access Point placement design documents to support deployment.
- Adept at configuring and troubleshooting of VPC on Nexus 7Ks, 5Ks and VSS on Cat 6509, 4500-X.
- Expertise in Configuration of Virtual Local Area Networks (VLANS) using Nexus 7Ks, Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble- shooting of inter-VLAN routing and VLAN trunking using 802.1Q.
- Experience withHP Servers, CISCO UCS servers and Dell Power Edge Server.
- Expertise in configuration of routing protocols and deployment of OSPF, EIGRP, BGP and Policy routing over Cisco Routers, Switches (Nexus 7Ks, Catalyst 6500).
- Resolved various trouble tickets related to routing (BGP, EIGRP, Static Routes, prefix-list, route-map, distribute-list, route-redistribution), switching (VLAN, port security, trunking, STP, VPC, HSRP, FEX).
- Designed, planned and performed failover testing with various extranet clients successfully.
- Configured AWS Virtual Private Cloud environment and networking inside the VPC.
- Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
- Performed maintenance and troubleshooting of connectivity problems using PING, and Trace route.
- Used DHCP for automatic assign reusable IP addresses to DHCP clients via Infoblox IPAM.
- Configured and maintained OSPF protocol which include deployment of new locations in the existing infrastructure created Stub/areas and configured summarization for effective routing
- Configured OSPF on ASR1002/9001 Cisco routers at various back offices across US.
- Configured ACLs in Juniper SRX 3400firewall for Internet Access requests for servers, Protocol Handling, Object Grouping and NAT.
- Deploy Cisco Call Manager Express and Unity Express on ISR 2800, 3800, 2900,3900, 4000.
- Responsible for internal corporate applications and Windows servers to support 7,000+ end users across disparate networks, geographies, and Active Directory forests specializing in Unified Communications, Exchange Server 2010, Lync Server 2013, SharePoint 2013, and Active Directory.
- Experience setting up SRX 240 HA Pairs on the branch firewalls for redundancy. Configured SPAN and RSPAN for network monitoring.
- Worked on network-based IT systems such as racking, stacking, cabling and module replacement.
- Configured and installed Wireless Access Points at different company’s location and managed them through Wireless LAN Controller (Cisco).
Confidential, Eden Prairie, MN
Network Engineer
Responsibilities:
- Responsible for the conversion of the existing environment from an EIGRP to OSPF setup to facilitate the migration of Core from Cisco to Juniper.
- Implemented MX-960 router and configured virtual chassis in the core to enable interchassis redundancy.
- Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems during the conversion of existing point-to-point circuits to MPLS.
- Implemented Dual homed connections between multiple UHG sites to connect to primary and redundant datacenters in Chaska/ Santa Ana and provided Tier III support.
- Dealt with implementation of deployment related to Cisco ASA 5585 devices, Juniper SRX 550 devices to apply security policies on it.
- Troubleshoot issues related to VLAN, VLAN Trunking, VRRP failovers, related issues.
- Involved in Planning for upgrade of IOS/JUNOS on devices and performing the upgrade to the TAC recommended code.
- Extensive experience with enterprise wide database management. Extensive experience with Server System Administration implementations using SQL Server, including SQL Server 6,7 & 2K.
- Juniper Networks 13-U tall QFX10008 modular data center spine and core Ethernet switch that provides cloud and data center operators with a smooth transition from 10- Gigabit Ethernet and 40- Gigabit networks to 100- Gigabit Ethernet high-performance networks.
- Assisted in the architecture, evaluation and recommendations related to purchasing and installing hardware, software related to IPV4 and IPV6 Networking.
- Troubleshoot issues with Wireless Access points (Cisco 3502) and configure SSID’s on 5520 Wireless LAN Controllers.
- Responsible for Juniper SRX firewall management and operations across our corporate networks.
- Responsible for Working with JTAC/CISCO TAC for resolving escalated issues and bug fixes.
- Worked on a project to migrate vendor DMZ's from a disaggregated cisco environment to a unified SRX 550firewall cluster leveraging UHG's services.
- Monitored network traffic and developed capacity-planning initiatives, making necessary recommendations, additional resources or hardware.
- Extensive knowledge and experience configuring CiscoNetwork Telephony Equipment such as ISR.
- Provide Load Balancer expertise on F5 BigIP LTM and GTM devices like 7050 and 2200 and Troubleshoot application slowness.
- Responsible for writing and executing Test Plan, Desk level procedures and Test Case for smooth network operations.
- Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
- Experience in configuring Virtual Device Context in Nexus 7010.
- ConfiguredJuniperMX80s, EX4300s, and SRX240s to implement as a part of the branch.
- Has a good experience working with the Trouble Tickets on F5 Load balancers.
- Managing enterprise BGP setup by configuring and troubleshooting BGP related issues.
- Responsible to add new BGP peers for remote branch offices and business partners.
- Experienced with Juniper: EX-2200, EX-4300, EX-4500, MX-480 and M Series, SRX210 and SRX240 troubleshooting.
- Extensive hands-on experience in configuring and troubleshooting JuniperRouters - M, MX, PTX, T & QFX5100 series platforms.
- Configured VPN tunnels to multiple vendors with end devices terminating at vendor end being a Cisco/Juniper firewall.
- Perform Configuration changes on BIG IP (F5) Load balancers and monitored the Packet Flow in the load balancers.
- Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800series and ASR 9k, GSR 12K routers and Cisco 2950, 3500, 5000, 6500 Series switches.
- Configured networks using routing protocols such as OSPF, BGP and manipulated routing updates using route map, distribute list and administrative distance for on-demand Infrastructure.
- Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking(Dot1q and ISL) and Ether channel.
- Developed redundant load-balancing design based on four MX 960 and two SRX 5600 using route leaking and policy routing.
- Troubleshooting of complex issues relating to Active Directory replication and overall domain health, AD-integrated DNS, Group Policy, security & permissions, network ACLs, NATing/firewall configuration, load balancers.
- Administration of ASA and Juniper SRX firewalls in the DMZ and FWSM in the Server Farm to provide security and controlled/restricted access.
- Implemented changes in projects in accordance with the change management process and responsible for MOPS, Post-Implementation handoff documents and Visio drawings.
Confidential, California City, CA
Network Engineer
Responsibilities:
- Configured Routing protocols such as OSPF, EIGRP, static routing and policy based routing on various branch and datacenter devices.
- Team member of Configuration ofCisco7206 router with VPN and Configuration of 6509, 4506 Catalyst devices.
- Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
- Create and testCisco router and switching operations using OSPF routing protocol, ASA Firewalls and MPLS switching for stable VPNs.
- Configuration and troubleshooting link state protocols like OSPF in single area and multiple areas.
- Involved in the Redesign of Internet connectivity infrastructure for meeting bandwidth requirements across manufacturing plants in Ann Arbor and Montgomery Plants.
- Configured HSRP and VLAN trunking 802.1Q, VLAN Routing on Catalyst 6500 switches to implement in the manufacturing plant in Ann Arbor.
- Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
- Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
- Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
- Providing Technical Support and solutions forNetwork Problems and resolve tickets across sites, plants and corporate offices.
- Responsible Implementing NAT solutions on WAN applications with Cisco ASA based solution.
- Planned, tested and evaluated various equipment, systems, IOSs and procedures for use within the Network/security infrastructure.
- Involved in periodic IOS upgrades, troubleshootingnetworkoutages and high severity incidents.
- 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.
- Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco ASA Firewalls, NAT and Juniper SRX firewall. Deploy and support network load balancers, such as F5 LTM/GTM,CiscoACE, etc.
Confidential
Jr. Network Engineer
Responsibilities:
- Installed and configured routers, Cisco 2800, 3845 routers and cisco catalyst switches.
- Engaged in office moves, helped in identifying network requirements of new building, installed new networking hardware, and coordinated with vendors for cabling/wiring
- Trouble-shooting end-user reported problems, thoroughly and accurately documenting problem in trouble management tool.
- Configuring DNS /NIC card issues and wall jack issues while troubleshooting IP addressing problems.
- Responsible for creating, modifying, removing VLAN configuring as per the need.
- Tracking overall network traffic and capacity issues that are impacting throughput, bandwidth, and quality
- Applied effectively various routing protocols including EIGRP and OSPF Implemented Redistribution of Routing protocols.
- Solving web related problem including HTTP, HTTPS, DNS, SMTP.
- Involved in migration from EIGRP to OSPF and documented change management procedure for migrating from EIGRP to OSPF network.
- Configured ACLs to prevent access to internal network from unauthorized users on ASA firewalls.
- Configured HSRP, Ether Channel in the LAN environment and NAT.
- Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support.