Sr. Network Engineer Resume
Birmingham, AL
SUMMARY
- Having 7 years of experience in Software industry and working in Networking domain as Networking Engineer by performing the core activities like implementing, troubleshooting and maintenances of different enterprise wif various vendor’s hardware’s of routers, switches etc.
- Certified CISCO Network Administrator (CCNA )
- Certified CISCO Network Professional (CCNP Routing and Switching)
- Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as OSPF, BGP & EIGRP ability to interpret and resolve complex route table problems.
- Implementation traffic filters on Cisco routes using Standard, extended Access list.
- Expert Level Knowledge about TCP/IP and OSI models.
- Experience in configuring Site - to-site and remote access VPN solutions.
- In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP.
- Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
- Responsibilities include rule implementations, VPN setups, upgrades, new builds.
- Experience in installing and configuring DNS, DHCP server.
- In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
- Implemented WAN/Core based on ATM & Frame Relay on Optical SONET infrastructure.
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST.
- Experience in configuring STP, VTP, HSRP and redistribution between routing protocols troubleshooting them.
- Implement Security policy by Configuring PIX firewalls (515 and 520).
- Technical Knowledge on Cisco ASA 5500 series Routers.
- Implementing, Troubleshooting and Monitoring day to day performance of VOIP networks.
- Technical knowledge about VMWare platform.
TECHNICAL SKILLS
Routers: Cisco routers (1900, 2600, 2800, 2900, 3600, 3800, 3900, 7200, 7600), Cisco L2, L3 and Cisco Aggregation Service routers (ASR) 1000, Juniper M320, MX80, MX960, MX480
Switches: Cisco switches (3560,3750,4500,4900 & 6500) Nexus (2248,5548 &7010). Juniper Ex2200, EX2500
Routing: EIGRP, OSPF, BGP, Static routing, RIP (V1&V2)
Switching: VLANs, Dot1q, VTP, STP, RSTP, VLAN maps, HSRP, VRRP, GLBP, Port security
Protocols: IP, TCP, UDP, ICMP, NAT, DHCP, IPSEC, SSL, HTTP, SSH
LAN: Ethernet (IEEE 802.3), Fast Ethernet, Trunking
Network Management: SNMP, Solar winds, Wireshark, syslog
PROFESSIONAL EXPERIENCE
Confidential - Birmingham, AL
Sr. Network Engineer
Responsibilities:
- Configuring, maintaining and troubleshooting Cisco layer 3 & layer 2 switches.
- Configuring IP, RIP, EIGRP, OSPF and BGP in routers. Routing related tasks includes, providing Cisco router configuration and troubleshooting the configuration and installation issues.
- Designing rules (ACL, security policies) to ensure better security.
- Hands on experience in configuring QoS on Cisco Routers/Switches.
- Monitoring and maintaining LAN/WAN networks using Snort and sniffer trace.
- Configuring VLAN and enabling IP routing in order to allow restricted connections from some resources.
- Working knowledge of SONET/SDH protocols and MPLS.
- Installing and configuring Checkpoint and ASA firewalls, VPN networks and redesigning customer security architectures.
- Design and Implement Remote access VPN server using Cisco ASA.
- Creating a rule on the checkpoint firewall for a NAT (used ACLs to block unauthorized users) to the VLAN IP and allowing the IPsec traffic.
- Recommend designs to ensure consistency wifin networks.
- Used DHCP to automatically assign reusable IP addresses to DHCP clients.
- Experience in Organizing and directingnetworkinstallations and changes.
- Troubleshooting connectivity issues and application problems during ‘on call’ support.
- Implementation and Configuration of F5 Load Balancers.
- Performed switching technology administration including Vlans, inter-Vlan routing, trucking, port aggregation and link negotiation.
Confidential - Detroit, MI
Network Admin
Responsibilities:
- Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
- Configured OSPF redistribution and authentication wif type 3 LSA filtering and to prevent LSA flooding.
- Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
- Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
- F5 Networks BigIP Load Balancer.
- Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunning AS-path.
- Implemented Hot Standby Router Protocol (HSRP) by tunning parameters like preemption.
- Implement VLAN’s and access lists (ACL) and troubleshoot IP addressing issues and Update IOS images and other hardware installations
- Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
- Dealt wif NAT configuration and troubleshooting issues related access lists and DNS/DHCP issues wifin the LAN network.
- Maintenance of F5 load balancers-6500/6800
- Managing and configuring Cisco Switches and Firewalls independently.
Confidential - Windsor, CT
Network Engineer
Responsibilities:
- Troubleshoot problems on a day to day basis & provide solutions that would fix the problems wifin their Network.
- Assisted wif various duties that will arise including: implementation, configuration, management, rules definition, problem solving, design advice, troubleshooting, updating, maintenance, etc.
- Experience in migrating CISCO LAN to Juniper LAN
- Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-240
- Studied and analyzed client requirements to provide solutions for network design, configuration and security
- Configuration and troubleshooting on HSRP, VRRP, GLBP, RSTP, MST related issues coming in network environment Implementing SNMP and syslog.
- Hands on experience of ACL’s, BGP, EIGRP Protocols. Implementing security policies using ACL, ASA
- Troubleshooting on network problems wif Wireshark, Splunk, identify problem and fix
- Experience wif configuring BGP, OSPF on 7609 routers. Maintained redundancy on Cisco 2600, 2800 and 3600 routers wif HSRP.
- Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & halp LAN administrator wif backbone connection and connectivity issues.
Confidential
Network Support Engineer
Responsibilities:
- Maintaining Cisco 3640, 2610, 2621, 1720 series routers and catalyst 3548, 3550, and 2970 series switches.
- Replacing Checkpoint firewall wif Cisco PIX firewall.
- Plan and implement Juniper Net screen and develop firewall security policies.
- Configured OSPF areas, Summarization, OSPF authentication, and redistributing static routes into OSPF on Juniper M320.
- Monitoring and maintaining IDS using SNORT.
- Deploying three tools (Cisco Works 2000, 3CDaemon, and WatsUp Gold) to monitor, maintain, alert, and improve T1 and fractional circuits across a WAN of 28 sites.
- Replacing all site managed VPN tunnels wif a company managed Cisco PIX 506 tunnel. Working closely wif telecom providers and Smart Net in resolving trouble circuits and/or failed WAN devices.
- Providing network planning, design, and deployment in server, infrastructure, and application deployment.
- Domino administrator responsibilities included maintaining and supporting the mail server.
- Designing rules (ACL, security policies) to ensure better security
- Performing daily and monthly server backups using Veritas Backup Exec v10. Maintain and support all aspects of the network environment including Active Directory, Lotus Notes, Cisco, Windows 2000/03, and Windows XP. Lead and assisted periodic testing of new technologies for possible implementation into the network infrastructure.