Sr. Network Engineer Resume
Bothell, WA
OBJECTIVE:
- To seek a challenging position in a company where I can use my knowledge and experience for the development of company and myself.
SUMMARY
- A dedicated Professional with Eight (8) years of expertise in Designing, Implementation, Administration, Operations and Troubleshooting of enterprise data networks as a Network Engineer.
- Worked on Cisco Catalyst series 2900, 3560, 3750, 4500, 4900, 6500 and Cisco 1800, 2600, 3600, 7200,7600 routers.
- Worked on Nexus platform 7010, 5K series (5548, 5020 and 5010) and FEX (2248, and 2232) and deployed VPC, VDC and OTV and successfully implemented VSS on the cisco catalyst switches.
- Expertise understanding in implementing and configuring F5 Big - IP LTM-3900, and 6900LOAD BALANCERS and A10 AX3030, AX3400, maintained policies.
- Strong working experience onFirewalls, ACS, Cisco ASA 5540 Series.
- Proficient hands on experience in configuration & troubleshooting of routing protocols and deployment of OSPF, EIGRP, BGP and Policy routing on Cisco Routers.
- Experience in implementing, maintaining and troubleshooting L2 switching tasks such as VLANs, VTP, VLANTrunking using ISL and 802.1Q, STP, RSTP, PVST+, Etherchannel using LACP and PAgP, Inter-Vlan routing, CEF and DCEF.
- Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP).
- Expertise in implementing Security policies like NAT, PAT, IDS, IPS, VPN and Access lists.
- Good experience in physical infrastructure like structured cabling, IP address management, Racking, Stacking.
- Implemented traffic filters using Access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
- Managed inventory of all network hardware, Management and Monitoring by use of, Syslog, SNMP.
- Experience in T1/E1/T3 technologies and different LAN & WAN technologies.
- Proficient in using MS Visio for documentation.
TECHNICAL SKILLS
Routers: Cisco 1800, 2600, 2800, 2900, 3600, 3800, 3900, 7200, 7600
Switches: Cisco Catalyst 3560, 3750, 4500, 4900, 6500&Nexus 2000, 5000, 6000 and 7000
Firewalls & Load Balancers: Cisco ASA 5540 and 5510 series, Checkpoint, IPSEC and SSL VPN, HTTP, IPS/IDS, IOS Firewall features, DMZ set up, F-5 LTM (3900, and 6900).
Routing: OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static routing.
Switching: VLANs, Dot1Q, VTP, STP, RSTP, VLAN Maps, HSRP, GLBP, CEF, DCEF,PortSecurity, Nexus OTV and Fabric path.
LAN/WAN Technologies: Ethernet, Frame relay,HDLC, PPP, T1, T3, OC Standard, DSL, ISDN.
Protocols: IP, TCP, UDP, ICMP, NAT, DHCP, SNMP, IPSEC, SSL, HTTP, SSH, DNS, PAT
AAA Architecture: TACACS+, RADIUS
Network Monitoring and Management Tools: CA Spectrum, Wireshark and GNS3.
PROFESSIONAL EXPERIENCE
Confidential, Bothell WA
Sr. Network Engineer
Responsibilities:
- As part of connectivity to Amazon Web Services (AWS) cloud, worked on ASR 9Ks, Check point firewalls, F5 Load Balancers and A10 Load Balancers.
- Configured BGP peering, Prefix list and route policies on Cisco 7609 and ASR 9k (9922) to connect to Virtual Private clouds on Amazon Web Services cloud on dedicated circuit.
- Configured VRFs on C7609 routers.
- Implemented VSS and HSRP on Catalyst 4500 and 6500 series switches.
- Worked on routing protocols like OSPF and BGP and performed layer 3 troubleshooting.
- Implemented Application Load balancing across Data Centers, to provision load balancing for internal and external applications.
- Created VS, Pools and customized monitors on 3900 series F5 Load Balancers and AX3400, AX3030 series A10 Load Balancers for application redundancy across datacenters
- Worked on getting vendors onboard by setting up IPSEC VPN Tunnels between peers and routing. Provided VPN services to site-to-site and, Remote access VPNs using IPsec and GRE tunneling mechanisms.
- ConfiguredVLANTrunking802.1Q, MSTP and Port Security.
- Implemented NAT rules on Check point firewalls to provide connectivity to external Vendors.
- Used Cisco ASA 5510 and check point firewalls for Enterprise security, configured ACL’s for Internet requests to Server Farm in LAN and DMZ.
- Managed and monitored ASAs using Adaptive Security Device Manager (ASDM) and Check point firewall using Smart Domain Manager.(Version R77.30)
- Performed troubleshooting on internal connectivity and vendor connectivity issues based on day to day intakes.
- Wrote Method of Procedures to implement configurations on network devices in Organization.
- Designed network flow for application projects which include setting up servers, cabling, IP assigning and Load Balancing.
Confidential, West Chester
Network Engineer
Responsibilities:
- In the process of Data center fabric migration, performed migration from legacy Catalyst 6513 Switches to Nexus7010 switches adhering to ITIL change Management Procedure.
- Configured and maintained VPCs with 7010 and 5548 in the network. Also configured and maintained VDCs in 7010 switches, maintained VRFs in those separate VDCs.
- Worked with Sup 2E for 7010 switch, F cards for L2 switching and few M cards for L3 proxy routing purposes for F cards.
- Used Fabric Extenders like 2248TP GE series for the top of the rack solution and used 5548P for the end of the row solution.
- Scheduled maintenance of Nexus (2248, 5548, and 7010) switches so that there are no Orphan ports in the network, and all Users to be dual homed, so that they have sufficient redundancy.
- Worked onOTV to extend L2 VLANs between data centers over IP on Nexus 7010 switches.
- Worked on 3600, 7200,7600series Cisco routers.
- Configured and maintained EIGRP, OSPFand BGP on Cisco Routers.
- Maintained TACACS+ and RADIUS servers for AAA authentication and user authentication.
- Used DHCP to automatically assign reusable IP addresses to DHCP clients via INFOBLOXIPAM.
- Used Cisco ASA 5540 firewall for Enterprise security, configured ACL’s for Internet requests to Server Farm in LAN and DMZ.
- Provided VPN services to site-to-site and, Remote access VPNs using IPsecand GREtunneling mechanisms.
- Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security
- Configured policy statements, and routing instances.
- Performed Network Security Assessment and implemented security features such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
- Maintained F5 BIG-IP LTM 6900 for providing application redundancy, load balancing andpolicies.
- Used internal network monitoring tools (Solar Winds &Opmanager) to ensure network connectivity and Protocol analysis tools to assess the network issues causing service disruption.
Confidential, Hartford
Network Engineer
Responsibilities:
- Installed, Configured and maintained2600, 3600, 7613Cisco Routers and 3750, 4500 and 6500 series Cisco Switches.
- Performed VSS on cisco catalyst 6500 series switches.
- Configured and managed Cisco access layer routers and switches& carried out route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance, and offset-lists.
- Configured routing protocols like EIGRP,OSPF & BGP and troubleshooting layer3 issues.
- Learned and Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in the testing environment lab.
- Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
- Implemented port aggregation & link negotiation using LACPandPAGP.
- Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network.
- Configured and deployed BIG-IP LTM 6900 for providing application redundancy and load balancing.
- Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
- Troubleshot issues and outages on Trunks and Router interfaces and firewalls extensively.
- Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
- Provided technical assistance for LAN/WAN management& troubleshooting and complex customer issues using Network monitoring tool’s such as Solar winds.
Confidential
Jr.Network Engineer
Responsibilities:
- Documented the company’s design, implementation and troubleshooting procedures.
- Performed routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
- Performed scheduled Virus checks and updates on all servers and desktops.
- Got Hands-on experience in maintaining and troubleshooting RIP, OSPF and EIGRP routing protocols.
- Configured RIP and EIGRP on 2600, 2900and3600 series Cisco routers.
- Implemented VTP and trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
- Performed IOS upgrades on 2900, 3500 series Cisco Catalyst switches and 1800, 2600,3600 series Cisco routers using TFTP.
- Worked on installation, maintenance, and troubleshooting of LAN/WAN(ISDN, Frame relay, NAT, DHCP, TCP/IP).
- Configured Access List (Standard, Extended, and Named) to allow users all over the company to access different applications and blocking others.
- Configured STP for loop prevention and VTP for Inter-VLAN Routing.
- Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
- Worked on network-based IT systems such as Racking, Stacking and Cabling.