Sr.network Engineer Resume
Herndon, VA
SUMMARY
- Cisco Certified Network Engineer wif almost seven years of experience in teh industry, which includes expertise in teh areas of Routing, Switching and Firewall
- Expert level noledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP 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
- In - depth expertise in teh analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services
- Cisco ASA Firewall troubleshooting and policy change requests for new IP segments dat either come on line or dat may have been altered during various planned network changes on teh network
- Extensive Knowledge on teh implementation of Cisco ASA 5500 series and checkpoint R 75 firewalls
- Hands on experience working wif Cisco Nexus 7K, 5K & 2K Switches
- 3 years of experience in working wif operating systems like Linux, Unix and Ubuntu
- Worked on NXOS, IOS, TDM, POS and IOS-XR BXB to N7K-NXOS (MPLS) system test
- Experience in F5, Cisco ACE 4710 Load balancers
- Extensive understanding of teh Application Security Module (ASM) technology
- Experience in working wif load balancer for converting CSS to ACE
- Experience deploying BIG-IP F5LTM Load Balancers for load balancing and traffic management of business application
- Strong hands on experience in installing, troubleshooting, configuring of Cisco 7200, 3800, 3600, 3400, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches
- In-depth noledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts
- Experience in working wif video from end-point in teh network to teh backend
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST
- Experience in working wif Windows power shell scripting to maintain and administrating server environments
- Experience wif Layer 2 and Layer 3 protocols like LDP, RSVP/ TE, QOS, COS L2 VPWS and VPLS, FRR
- Experience in configuring HSRP and redistribution between routing protocols troubleshooting them
- Experience on Virtual Private Network (VPN) for operating Network and Data Center
- Experience wif Internet/Intranet Networking Protocols and Services
- Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy
- Excellent qualities such as Teamwork, Negotiation, Analysis and Communication
TECHNICAL SKILLS
Networking Technologies: LAN/WAN Architecture, TCP/IP, Frame Relay, VPN, VLAN, VTP, NAT, PAT, STP, RSTP, PVST, MSTP
Networking Hardware: Cisco Switches, Cisco Routers, ASA/Pix firewalls, VMware, IronPort
Routing Protocols: OSPF, IGRP, EIGRP, RIP, MPLS, IS-IS, BGP, Multicasting
Security Technologies: PAP, CHAP, Cisco PIX, Blue Coat
Network Monitoring: Cisco Works 2000, Wire Shark, HRPing
Operating Systems: Windows 7, Vista, XP, 2000, LINUX, Cisco IOS, IOS XR
Routers: CISCO 2600, 2800,3600,3800,7200, Juniper M & T Series, Cisco CRS-1, CRS -3, GSR
Switches: CISCO 2900, 3500,4500,5000,6500, Nexus 7k,5k,2k
Programming Languages: C, C++, SQL
Simulation Tools: Qualnet Developer, OPNET IT GURU, OPNET Modelar, Cadence
Firewalls: juniper net screen(500/5200), Juniper SRX (650/3600), Pix(525/535), ASA (5520/5550/5580 ), McAfee Web Gateway, Checkpoint
AAA Architecture: TACACS+, RADIUS, Cisco ACS
Features & Services: IOS and Features, HSRP, GLBP,IPAM IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management, Open Stack, IVR’s, HLD and LLD documents, Dell equal logics
PROFESSIONAL EXPERIENCE
Confidential, Herndon, VA
Sr.Network Engineer
Responsibilities:
- Responsible for Crossroads rollout LAN/WAN problem determination and diagnosis, provide project leadership (onsite, offsite)
- Working wif local IT personnel on troubleshooting, problem determination, diagnosis of performance issues, bandwidth issues, throughput traffic prioritization to improve overall application response time across WAN
- Worked on MPLS for redirecting data from one network node to another network node based on teh shortest paths
- Configuration and installation of LAN switches and wireless network infrastructure equipment and cabling all uplink and user network connections
- Working wif teh DIRM Networking team and NC FAST IT staff to review current VLAN configuration, IP routing and firewall access control for existing networks, and applying teh necessary network and security access rules to teh installed equipment
- Worked wif network services like DNS, DHCP, DDNS, IP4, IP6, IPSec, VPN etc
- Deployed Cisco Catalyst 6500, 4500, 4000, 3750, 3850, 3560 (Layer 2 through 7)
- Installed and monitored extreme networks S-series, 7100 stackable switches and E4G-400, 1800 router to support VMware machines in NCFAST
- Deployed and configured Cisco ASR 1000, 7000 series routers
- Also worked wif Extreme networks wireless devices like Access points AP3705, AP3610
- Experience in working wif Nexus OS, IOS, CATOS and Nexus 7K, 5K & 2K Switches
- Have experience and worked wif configuring session persistence and web services
- Worked and working wif Cisco ASA 5525 firewalls wif current and demonstrated expertise wif ACL security in a multi-VLAN environment
- Worked wif Firewall DMZ zones and configuring them
- Configured Multiprotocol Label Switching (MPLS) VPN wif Routing Information Protocol (RIP) on teh customer’s stage
- Worked and performed troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, and BGP. Ability to interpret and resolve complex route table problems
- Experience wif Security- Firewalls, NAT / PAT, IPSEC, S2S
- Experience wif ALG (RTP, RSTP and FTP, DNS, HTTP), DHCP
- Worked wif ITIL(Information and technology information library ) for managing our services
- Working wif ITS networking teams to install an Confidential VoIP phone system and tested teh phone system connectivity and functionality
- Knowledge of wif API’s for troubleshooting Network issues using Wireshark and NTOP
- Configuration of static NAT, dynamic NAT and dynamic NAT overloading
- Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server
- Configured and perform trouble shooting on Dell Power Connect Switch 5548 used to connect VM Servers and Flex Systems
- Worked wif Infloblox for secure DNS, DHCP and IPAM
- In-depth expertise in teh implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems
Confidential, Thornton, CA
Sr.Network Engineer
Responsibilities:
- Involved in configuring and implementing of composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches
- Configured Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer links
- Participated in teh installation, configuration, post installation daily operational tasks and configuration and deployment of Cisco Nexus equipment
- Designed 10 gigabit networks using Cisco Nexus 7000 series switches, and Cisco 3800 series routers
- Implemented traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF)
- Worked wif Host Master for shared web hosting
- Worked wif Processes like RFI, RFE and RFP
- Configured and dealt wif security protocols such as VPN, AAA, RADIUS to make teh entire remote communication as secure as possible.
- Experience in working wif Network automation tools and testing for network change and configuration management
- Worked wif HP Network Automation software dat automates teh complete operational lifecycle of network devices from provisioning to policy-based change management, compliance, and security administration
- Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path
- Experience working wif Exchange 2010 SP3 for planning and deployment
- Worked wif Management tools like CSM and Cisco ACS
- Worked wif Cisco IOS, NX-IOS, IOS-XR
- Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption
- Implemented various OSPF scenarios on networks consisting of 7600 routers
- Configured policy based routing for BGP for complex network systems
- Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN
- Tuned BGP internal and external peers wif manipulation of attributes such as metric, origin and local preference
- Worked wif Nagios for monitoring of network services (SMTP, POP3, HTTP, HTTS, NNTP, ICMP, SNMP, FTP, SSH )
- Primary responsibility is to design and deploy various network security & High Availability products like Cisco ASA other security products
- Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment wif resource allocation to desired Virtual LANs in teh network
Confidential, Dallas, TX
Network Engineer
Responsibilities:
- Responsible for implementing, supporting, and maintaining 24x7 network services
- Coordinated efforts wif Engineer’s to ensure all network devices conformed to defined network standards
- Worked wif MSC- Microsoft system center manager
- Configured various Routing protocols such as RIP, OSPF, EIGRP, static routing
- Provided configuration of STP and Port Security on Catalyst 6500 switches
- Configure teh Cisco CRS-1 Routing System, back out of configuration changes, and restore older versions of a configuration
- Troubleshooting of Cisco 2800,2900, 3900, 7200, 7600, Series routers
- Configure teh Cisco IOS XR security features in both owner SDR and non-owner SDRs
- Configure legacy route map configurations using teh new Cisco IOS XR Routing Protocol Language (RPL)
- Worked wif Juniper net Screen 500/5200 and also juniper SRX 650/3600
- Worked on Fiber channel over Ethernet (FCOE) for connecting 10gigabit Ethernet networks
- Maintaining Core Switches, creating VLANs and configuring VTP
- Optimized performance of teh WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs
- Experienced working wif Tomcat and Apache servers in troubleshooting network issues for our internal server teams
- Worked wif Enterprise Intrusion Detection / IPS (Snort, Source fire, Juniper IDP, IBM ISS, McAfee Intrushied)
- Designed on - premise IVRs for integrating wif teh ACD and CRM systems to ensure maximum efficiency in call handling
- Performed redistribution wif OSPF, EIGRP, RIP version 1 and 2 to enable communication wif backbone
- Configured OSPF for Stub area, Totally Stubby Area and NSSA
- Executed BPDU Guard, port-fast, uplink fast and other spanning tree features on various layer 2 and layer 3 switches
- Worked on video from end-point in teh network
- Troubleshooting advanced Riverbed Issues and settings
- Configured and optimization settings of Riverbed
- Troubleshooting of Cisco 2900, 3900, 6500, 7500, 7200 Series routers
- Configured static NAT, dynamic NAT, dynamic NAT overloading
- Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server
- In-depth expertise in teh implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems
- Worked on a broad range of topics such as proactive monitoring and maintenance, disaster recovery exercises, and core network repairs
- PGW, XGW and SGW configuration on 4G LTE, CDMA, WCDMA network
- Route configuration and point code checks for System Technician and Network Technician
- Knowledge and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology
- Worked wif other team members in testing of teh network architecture
- Participated in quality system implementation project
- Configure wireless routers on enterprise network
