Sr. Network Engineer Resume
Durham, NC
SUMMARY
- Over 7+ years of extensive hands - on experience in Cisco network design, deployment and troubleshooting.
- Adept in managing service functions & streamlining the working standards operating system for project rollout, design and development of Telecom solutions.
- Attend and participate in system-level design meetings in order to addresstestingissues early in the software development process.
- Enterprise Switching with VLANs, Trunks, Spanning Tree, Port Spanning etc.
- Provides technical leadership forproblem escalation and resolution.
- Highly motivated with the ability to work independently or as an integral part of a team and Committed to highest levels of profession.
- Extensive experience with Juniper: EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240.
- Worked on Load Balancer F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
- Strong grasp of current and future technologies including TCP/IP, IPv4/v6, RIP, EIGRP, OSPF, BGP, Frame Relay, ACL, VPN, Wireless LAN and configuration of VLANS.
- Experience with Firewall Administration, Rule Analysis, Rule Modification.
- Built stable, productive and profitable operations within highly technical environment.
- Highly motivated with the ability to work independently or as an integral part of a team.
- Strong Analytical, Problem Solving, Technical Troubleshooting, Decision-Making, Customer Service Skills, Results-Driven.
- Good knowledge in configuration of Voice VLAN’s (VOIP), prioritizing the voice traffic over the data traffic.
- Createtestingtools and scripts as needed to support system leveltestingactivities.
- Experience developing and maintaining comprehensive system test plans
- Experience writing Linux shell scripts and experience innetworkperformancetesting
- Effectively managed process according to ITIL framework standards implemented in the organization.
- Steered efforts for providing presentation and seminar to the customers for in-house projects to introduce about the projects Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
- Hands on experience on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
- Experience with developing network design documentation and presentations.
TECHNICAL SKILLS
Protocols: RIP, RIP V2, EIGRP, OSPF, IS-IS, BGP, IGRP, HSRP, VRRP, GLBP, LACP, PAGP, DNS, SMTP, SNMP, FTP, WLAN, 802.11/802.11 e, WEP, POP3, LADP
LAN technologies: VLAN, Trunking, VTP, STP, MST, RSTP, Port Mirroring, Etherchannel (PAGP & LACP, load balancing), Optimizing STP (Portfast, Uplink fast, Backbone fast, Root Guard, BPDU Guard), 802.1Q-in-Q, Tunneling, 802.11a/b/g/n
WAN Technologies: Frame Relay, ISDN, PPP, HDLC, ATM, MPLS, Leased Lines, Cable modem, DS1, DS3, T1, T3,Multi Homing
Network Products: CISCO Routers 1700, 1800, 2500, 2600, 2800, 2851, 3600, 3800, 7200. CISCO Switches 1900, 2950, 2950, 2960G. CISCO Campus Switches 550XL, 4948 Core Catalyst 4503, 4507 RE, Catalyst 6500/6503/6507, Cisco PIX 500 series, Cisco ASA 5500/5520 Series, CSU/DSUs, network cards and Modems, Hubs, Cisco IOS, SSL, ASR 1002, 3945 E router.
Multicast: Implementations from medium sized to large environments (Video stream over Multicast). Auto RP, Bootstrap RP, Anycast RP, IGMP, CGMP, Multicast Security, Shared & shortest path models
Monitoring Tools: Wire shark, Nmap, OP Manager, SONET
Authentication: RADIUS,TACACS+, Digital Certificates
Security: VPNs (Site-to-Site, IPSec, Remote Access, SSL, Cryptography, AAA, Radius, TACACS+, Kerberos, Cisco CAR Radius Proxy, Cisco Authentication Proxy, Access Lists, NBAR, Firewall, IOS Security, 802.1x, CBAC, DDoS prevention, Cisco CSA, Cisco Works Firewall, Cisco Secure ACS, Cisco VPN Concentrator, Cisco PIX / ASA Firewalls, Cisco VPN Client
Servers: Domain Servers, DNS Servers, WINS Servers, Mail Servers, Proxy servers, Print Servers, Application Servers, FTP Servers
Remote Access: IP Sec VPN, VPN, Remote/Secure client, Site to site VPN, tunneling
QoS Technology: Class - based Policy/Shaping/Marking, CBWFQ, LLQ, WRED
MPLS: MPLS Layer 3 VPN
PROFESSIONAL EXPERIENCE
Sr. Network Engineer
Confidential, Durham, NC
Responsibilities:
- Responsible for daily LAN/WAN operations such as installation and configuration of routers & switch. Performed network monitoring, troubleshooting network outages, provided ongoing system administration.
- Worked on Load Balancer F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
- Implementing and Maintaining Network Management tools (OPAS, Solar Winds, Cisco Works)
- Logs and triages defects and test multiple mobile devices across multiple applications.
- Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
- Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
- Experience in working with Nexus 7010, 5548, 5020, 2148, 2248 devices.
- Extensive experience with Juniper: EX-2200,EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
- Experience in configuring vdc, fex pinning, fex port-channel, port-channel, peer keep alive,peer link.
- Experience in working and designing configurations for vPC, vPC domian, vpc peer-gateway, vPCpeer-switch, auto-discovery, and vPC singlesided, vPC double sided, NX-OS, VFR, OTV, fabric path.
- Designed, validated and implemented LAN, WLAN & WAN solution to suite client’s needs.
- Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
- Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
- Designed and configured the commands for QoS and Access Lists for Nexus 7K and 5K.
- Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
- Reviewing, analyzing, approving and executing all changes in the network. All Configurations of Cisco Routers and Switches.
- Involved in the removal of EIGRP from all devices and making OSPF the primary routing protocol.
- Involved in the modification and removal (wherever necessary) of BGP from the MPLS routers.
- Configuring IPSEC VPN (Site-Site to Remote Access) on SRX series firewalls.
- Responsible for Checkpoint firewall management and operations across our global networks.
- Working with Checkpoint Support for resolving escalated issues.
- Responsible for procurement and installation of Hardware, network drives and other IT infrastructure. Documented the design, implementation and troubleshooting procedures with Method of Procedure (MOPS).
- Documented all the work done by using Visio, Excel & MS word
- Write test cases from a variety of documentation types; business requirements, system requirements & design documentation.
- Tests & Quality assurance of web client and service level software delivering unified messaging, address contacts and digital media experience to mobile device & web subscribers.
Network Engineer
Confidential, East Providence, RI
Responsibilities:
- Implemented Voice VLANS, UDP, SIP, RTP and provide QOS by DSCP and IP Precedence.
- Used DHCP to automatically assign reusable IP addresses to DHCP clients.
- Integrate VoIP with PSTN and setup voice Gateway ensuring QOS for Cisco based Voice over IP and CDR for voice call Accounting.
- Experience in working with Cisco Nexus 2148 Fabric Extender and Nexus 5000series to provide a flexible Access Solution for data center access architecture.
- Design and implement campus switch network with Cisco Layer 3 switches (3750, 4500, 6500) in multi VLANs environment and inter-VLAN routing, HSRP, ISL trunk, ether channel.
- Designed MPLS VPN and QoS for the architecture using Cisco multilayer switches
- Implement Cisco Works 2000 device to manage Cisco routers, switches, PIX and ASA firewall, Access Points, Concentrators.
- Experience in working with installing Nexus 7010 License upgrade.
- Experience in installing and configuring Checkpoint NGX R60 and maintain Security policy by monitoring firewalls.
- Experience working with Network management software NSM primarily to manage the firewalls as well as performing changes as per the requirement.
- Involved in effective communication with vendors, peers and clients in resolution of problems, equipment.
- Worked extensively in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs / Routing / NATing with the firewalls as per the design.
- Responsible to design and deploy various Network Security & High Availability products like Cisco ASA and other Security Products.
- Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525) & ASA 5500(5510/5540) Series.
- Experience with converting PIX rules over to the Cisco ASA solution.
- Handling network devices such as Switches (Cisco Catalyst 2900 and 3500 series), Routers (Cisco 2600, 2800 and 7200 series), Firewalls, Load balancers etc.
- Experience configuring Virtual Device Context in Nexus 7010.
- Extensive experience with Juniper: EX-2200,EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240
- Tracked the rearrangement of the channel as per the requirement of the customer.
- Addressed the problem related to DCN network which included Routers & Switches.
- Experience in Configuring, upgrading and verifying the NX-OS operation system.
- Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
Cisco Network Engineer
Confidential, Irving, TX
Responsibilities:
- Maintaining the networking devices which mean racking, stacking & cabling for the networking devices.
- Configuring Cisco switch and routers as well as installed and maintained network hardware and software.
- Dynamic routing protocols configuration (RIPV2,OSPF,EIGRP)
- Responsible for installing, maintaining and supporting computer communication networks within an organization or between organization
- Troubleshooting network problem and configuring trunk port between two switches
- Maintained detailed time based incident logs and technical checklists
- Assist in LAN/WAN design and implemented QoS on edge routers.
- Patch and test cables foe new and existing sites and Provide Cisco VoIP to all of the users
- Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
- Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
- Creating VLANS and enabling inter-VLAN routing.
- Setting up the QoS for voice and data, giving more priority to the voice and differentiate the apps and according to it priotized.
- Configuring layer-2 technologies like STP, VTP with suitable parameters as per the network environment.
- Managing network security with respect to port-security on access layer and access control lists on distribution layer.
- Providing gateway redundancy for Cisco 2600, 2800 & 3600 routers using HSRP.
- Configuring routing protocols like EIGRP, OSPF & BGP and troubleshooting layer3 issues.
- Maintaining and monitoring data center facilities and equipment to meet 100% SLA uptime standards.
- Experienced with physical layer interface and cabling standards.
- Worked on day to day troubleshooting of network connectivity problems.
- Configuring ACL to allow only authorized users to access the servers.
- Participated in on call support in troubleshooting the configuration and installation issues.
Network Admin
Confidential
Responsibilities:
- Network, IP Address planning, design, manage and troubleshoot for connectivity, speed, and packet loss issues more than 54 branches all over the nation.
- Worked with various routing protocols such as Static, OSPF, and BGP. Led the project team for rolling out Static routing to OSPF for the Headquarter and all branch networks.
- Configured SNMP community strings and traps on Cisco routers and catalyst switches.
- Monitoring Network with various Network management tools, namely Cisco net Manager IP, LAN Guard Ping Sweeper, Multiping etc
- URL Filtering and Managing Network Traffic as per company policy.
- Configured NAT and Timed Based Access-list on Cisco ASA 5510.
- Network patches cable installations/ rack and stack of networking equipments and server devices.
- Provide custom support including daily backup procedures, testing network connections, equipment installation and turn-up, and remote hands assistance.
- The goal is ensure the smooth operation of communication networks in order to provide maximum performance and availability for their users (staff, clients, customers, suppliers, etc).
- Routing related tasks included providing Cisco router configuration and change management, providing technical support for Cisco Router configuration and installation for customer.
- Monitor global network operation, testing and installating new equipment
- Used wire shark to analyze the networks.
- Troubleshoot network, internet and email problem for users.
- Provide customer support including daily backup procedures, testing network connections, equipment installation and turn-up and remote hands assistance.
- Network Migration from RIP to OSPF