Senior Network Engineer Resume Profile

Professional Summary

In-depth expertise in designing, implementing, analysis, optimization, troubleshooting and documentations of LAN and WAN network systems.
Over sixteen years of hands on experience in network engineering, designing, integrating, deploying, maintaining and supporting broad range of Computer communication systems.
Hands-on experience of working on Layer 3 protocols like Static Routing, RIP, OSPF, ISIS, EIGRP, and BGP.
Hands-on experience on MPLS, MPLS VPN, VRF, and QoS.
Hands-on experience of working on Layer 2 protocols ARP, RARP, ATM and Frame Relay.
Hands-on experience with IP multicast IGMP, PIM, MLD, MSDP, etc .
Experienced configuring Virtual Local Area Network VLAN , VLAN Trunking Protocol VTP , Dynamic Trunking Protocol DTP , Spanning Tree Protocol STP , RSTP, MST and Per VLAN Spanning Tree PVST .
Expert knowledge of redundancy protocol like HSRP and VRRP.
Worked on CISCO 1800, 2600, 2800, 3600, 3800, 7200 series Routers and 2900, 3500, 4500, 6500 series switches.
Implemented traffic filters on CISCO routes using Standard Access List and Extended Access List.
Hands-on experience in configuration of CISCO NEXUS Datacenter infrastructure with 5000 and 7000 series switches 5548, 7010 including CISCO NEXUS Fabric Extender 2232, 2248 .
Good knowledge of CISCO firewalls, CISCO PIX and ASA 5500 Next Generation firewalls series.
Sound knowledge and experience on IP Addressing, sub netting, VLSM, proxy ARP and web proxy.
Experience with authentication methods including LDAP, RADIUS, TACACS and RSA.
Hands-on experience with installing and managing IT services such as Active directory, site replication, DNS, SSH, DHCP, DNS, NAT and VMware.
Handled load balancing using F5 Network Load Balancers.
Good knowledge of IPv4 and IPv6.
Experience in WAN technologies like T1/T3, OC and DS3 circuit types.
Experience with 802.11x wireless technology.
Experience in analyzing network using monitoring tools like MRTG, Solarwinds, HP open view, NetFlow, Sniffer and Wireshark. Skilled on Visio drawing in Networking Design.
Great work ethic, critical thinking, interpersonal skills, problem solving, troubleshooting and analysis skills
Hands-on experience on UNIX Linux OS and network security vulnerabilities

Technical Expertise:

Hardware:	Cisco Switch 2960, 3560, 4506, 6509, Nexus 2232, 2248, 5548, 7010 Cisco Router 7200, 3800, 3600, 2800, 2600 and 1700 .
Networking :	BGP, OSPF, RIPv2, EIGRP, MPLS, HDLC, PPP, Frame-relay, HSRP, GLBP, VRRP,F5 , ISDN, IPSEC, L2TP, GRE, FTP, TFTP, SSL VPN, DMVPN, DHCP, DNS, TCP/IP, Active Directory, VOIP SCCP/SIP , QOS, Multicast, IPV6,
Operating Systems:	Windows Server 2003/2008/2012, Windows XP/2000/Vista/7, Microsoft Exchange, SQL, SharePoint, Cisco IOS, UNIX, Linux
Tools:	MS Office, Visio, Auto CAD, Cisco Works, CUCM, Cisco SDM, Wireshark, MRTG, PRTG, Solarwinds, HP open view,
Security VPN:	PIX 500 Firewall, ASA 5505 Firewall,ASA5510 Firewall , ASA5520 Firewall , ASA5540 Firewall, ASA5525X Firewall , ASA5555X Firewall , AIP SSM, CSC SSM, FWSM, Fortigate, CISCO CSM, ACL- Access Control List, IPS/IDS, NAT, PAT, CISCO ACS, Check point, sonicwall, RSA SecureID

Confidential

Senior Network Engineer

Upgrading and maintaining of DOL LAN /WAN-MPLS network infrastructure including switches, routers and firewalls.
Deployment of new generations firewalls.
Implemented Layer 2 functions such as VLANs, fast convergent spanning tree, traffic storm control and pruning to prevent flooding.
Working on troubleshooting of inter-agencies network connectivity issues.
Ensure network connectivity of all servers, switches, routers, firewalls, and other network appliances.
Answered client questions on the spot using a trouble ticketing system.

Confidential

Network Engineer

Working as freelance network engineer part time networking job in network implementation involving VOIP, LANs, WANs Frame-relay, MPLS and wireless networks.

Technical Engineering Manager

Responsible for the engineering, configuration, installation, maintenance, troubleshooting, and upgrades of networks, including routers, switches, IPS/IDS, wireless access points, cisco ASA and check point firewalls.
Design and deploy VOIP, LANs, WANs Frame-relay, MPLS and wireless networks, using cisco routers, switches, and other hardware.
Conduct research on network products, services, protocols, and standards to remain abreast of developments in the networking industry.
Analysis, design, architecture, implementation and support of LAN /WAN, routing protocols, switches, routers, network appliances, AAA Authentication, Authorization and Accounting/ Radius and Tacacs implementations , security and network upgrades
Implemented site to site and remote access VPN for telecommuters use
Maintained the DNS, LDAP in order to manage properly and provide secured, structured data storage in hierarchy order.
Configured and implemented redundancy and load balancers for high availability.
Perform server and security audits, and system backups and recovery.
Provide Incident and Problem resolution in accordance with ITIL.
Maintain liaison with hardware and software vendors for system upgrades and maintenance.

Senior Engineer

Implemented and configured CiscoWorks LMS, enabling centralized LAN/WAN administration and control.
Implemented RADIUS on windows server 2003 configured and deployed the DNS and DHCP service.
Implemented various small to medium office LAN projects.
Maintain liaison with outside hardware and software vendors for system upgrades and maintenance.

Engineer

Client desktop support, troubleshoot software and hardware faults.
Implemented various small to medium office LAN projects.
Maintain liaison with outside hardware and software vendors for system upgrades and maintenance.

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