Senior Network Engineer Resume
Bellevue, WashingtoN
SUMMARY
- 8 years of experience in Designing, Implementing and Troubleshooting Service Provider Networks and Enterprise Networks; As well as strong skills in Network administration
- Experience wif Python Scripting (used for automating tasks on Linux based systems in the workplace; and developed CGI scripts for a shopping website backend when in university.) hands on experience in Network stress testing, simulating DDoS attacks and monitoring devices under load, baseline and optimal ranges using Ixia and similar products. strong working noledge of Datacom.
- Good working noledge of CheckPoint firewalls including configuration and deployment.
- Hands on noledge of Bluecoat Proxy Server Administration.
- Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 series, 6500 series)
- Expertise in installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800)
- Extensively worked on Cisco catalyst 6509 and implemented VSS along wif VDC and VPC on Nexus 5505, 7009 switches.
- Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
- Administration and diagnostics of LAN and WAN wif in - depth noledge of TCP/IP, NAT, PPP, ISDN and associated network protocols and 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 the network.
- Extensive Knowledge on the implementation of Cisco ASA 5500 series firewalls.
- Hands on experience working wif Cisco Nexus 7K, 5K & 2K Switches.
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
- Implemented redundancy wif HSRP, Ether channel technology (LACP, PAgP) etc.
- Excellent problem solving and debugging skills wif good verbal/written communication and presentation skills
- In-depth noledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
- In-depth noledge of implementing, configuring and troubleshooting Routing Protocols Static Routing, EIGRP, OSPF, BGP
- Extensive noledge of deploying and troubleshooting L2/L3, TCP/IP, Multilayer Switches
- Expertise in implementation and troubleshooting of protocols such as STP, RSTP, PVST, HSRP and VRRP
- Network management using Syslog, Packet Sniffers, SNMP etc.
- Experience in configuration Voice over IP (VOIP).
- Extensive noledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Translation from IPv4 to IPv6, Multilayer Switching, UDP, Ethernet, Voice & Data Integration techniques.
- Experience in creating Disaster recovery and Business Continuity plans, risk analysis matrix,documentation and procedures.
- Designed and created network layouts and documented network system design wif detailed information using Visio software. Vendor co-ordination for hardware issues and assessment management.
- Specialize in VoIP traffic analysis and designing VoIP networks for small MSPs.
TECHNICAL SKILLS
LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST, 802.1x
WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines
Network Securities: NAT/PAT, VPN, Filtering, Load Balancing using f5 and Cisco aceIDS/IPS, IPsec, ACL, Checkpoint
Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, IPv6
Routed Protocols: TCP/IP, IPX/SPX
Infrastructure Services: DHCP, DNS, SMTP, POP3, FTP, TFTPNetwork Managements SNMP, SSH, Telnet, ICMP
IP Telephony: VOIP, FXO/FXS/E&M/T1/ISDN/ PRI, Call manager Express.
Operating Systems: Windows Vista/XP/NT/2003, MS DOS, UNIX, Linux
Comm. Protocols: ARP, Wi-Fi, WiMax, CDMA, 3G
Packages: Visual Studio 2008, OPNET, MATLAB, CAD, Flash, Dream weaver.
Languages/ Tools: C, C++, Assembly 8085 and 8951/2, MIPS, CAD, VBScript, PERL,PHP
PROFESSIONAL EXPERIENCE
Confidential, Bellevue, Washington
Senior Network Engineer
Responsibilities:
- Configured and deployment of routing protocols OSPF, EIGRP & BGP over Cisco Routers in Production environment.
- Experienced working noledge wif 1800, 2800, 2500, 2600, 2800, 3600, 3800, 3900, 7204, 7606 series Routers.
- Worked on Cisco 6509, 6513 and 4510 switches for LAN requirements dat include managing VLANs, Port Security and troubleshooting LAN issues.
- Performed LAN operations and troubleshooting which involves working on VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
- Implemented Proxy services on LAN using Bluecoat
- Implemented redundancy wif HSRP, Ether channel technology (LACP, PAgP) etc.
- Worked on Cisco Firewall ASA 5500(5510/5540) Series. Performed Security operations in terms of pushing new policies and deploying new rules. Performing security troubleshooting in terms of checking ACLs and ACEs and traffic flow analysis using packet capture features.
- Implemented new DMZ and data isolation and also worked on ASA virtualization using ASA Device Context.
- Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
- Worked on F5 and CSM load balancers deploying many load balancing techniques wif multiple components for efficient performance.
- Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating wif the vendor.
- Troubleshooting the Juniper SRX100 and 110 series, Juniper Netscreen routers wif Site-Site VPN, and firewalls for Supervalu Retail sites.
- Migration of existing IPSEC VPN tunnels from Pre-Shared key to Authority for purpose of scaling.
- Managing and providing support to various project teams wif regards to the addition of new equipment such as routers, switches and firewalls to the DMZs.
- Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
- Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1
- Migrated previous corporate Checkpoint 4.0 Firewall-1/VPN-1 on Windows NT
- Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA 5500 Firewalls.
- Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
- Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues.
- Performed Break Fix support through driving to different buildings, identifying the root cause of the hardware issues wif switches, routers.
- Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
Confidential, Jacksonville, FL
Sr.Network Engineer
Responsibilities:
- Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment.
- Monitoring the network traffic wif the help of Qradar and Cisco IPS event viewer.
- Content filtering using Bluecoat ProxySG
- Stress testing of overall network and associated devices, establishment of failover policies and redundancy in the event of excessive load or network based attacks.
- Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation.
- Managing and implementation of PORs (port open requests) based on the requirements of various departments and business lines.
- Implementing and troubleshooting (on-call) IPsec VPNs for various business lines and making sure everything is in place.
- Installing and configuring new Cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the company.
- Troubleshooting the Juniper SRX100 and 110 series, Juniper Netscreen routers wif Site-Site VPN, and firewalls for Supervalu Retail sites.
- Configured VPC, FEX and VDC’s on Nexus 5K, 7K.
- Coordinate wif Server, Security, Application teams along wif 3rd party vendors to provision and setup third party servers, network devices in Data Center environment.
- Worked on ASA 5510/5520 firewalls configuration and Implementation for the network.
- Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
- Building the VPN tunnel and VPN encryption.
- Migration from Checkpoint firewall cluster to Cisco ASA 5580 firewalls in a failover pair configuration.
- Network redesign and configuration WAN and LAN infrastructure utilizing redundant Cisco ASA firewalls, Cisco switches and routers over MPLS and VPN connectivity.
- Responsible for implementing, engineering, supporting existing network technologies / services & integration of new network technologies / services.
- Key contributions include troubleshooting of complex LAN /WAN infrastructure dat include routing protocols EIGRP, OSPF.
- Configured and managed Cisco access layer routers and switches.
- Configured subnets, access lists, route reflectors and route redistribution.
- Supported multi area OSPF implementations.
- Involved in configuration of OSPF Summarization.
- Configured ether channels, trunks, vlans, HSRP in a LAN environment.
- Configured STP for loop prevention and VTP for Inter-VLAN Routing.
- Maintenance and Troubleshooting of connectivity problems using PING, Trace route.
- Responsible for performing administration on BGP, OSPF & EIGRP routing protocols.
- Implemented route redistribution between OSPF and EIGRP.
Confidential
Network Engineer
Responsibilities:
- Provided technical assistance in upgrading IOS on Cisco Routers and Switches.
- Racking, stacking, and cabling network-based, IT systems.
- Configuration of Access List ACL (Std., Ext, Named) to allow users all over the company to access different applications and blocking others.
- Perform routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
- Configuring of IP Allocation and sub netting for all applications and servers and other needs throughout company.
- Troubleshoot the issues related to routing protocols.
- Installing operating systems, software and hardware on computers.
- Responsible for Data Backup, System Update, Recovery and Restore, and Spyware removal.
- Assisting Junior and Senior Engineers, on-site management of cable-wiring technicians.
- Troubleshoot problems on a day to day basis and documented every issue to share it wif design teams.
- Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Coordinated efforts wif Engineers to ensure all network devices conformed to defined network standards.
- Configured various Routing protocols such as RIP, OSPF, EIGRP, static routing.
- Maintaining Core Switches, creating VLANs and configuring VTP.
- Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Performed redistribution wif OSPF, EIGRP, RIP version 1 and 2 to enable communication wif backbone.
- 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 the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems.
- Established and configured gateway services for the LAN wif Bluecoat ProxySG
- Responsible for designing, implementing and troubleshooting temporary infrastructures for Live Webcasting Events
- Involved in F5 BIG IP LTM administration, familiar wif enterprise level traffic managers like 6800, 3600, 1600,3400 series
- Knowledge on VOIP protocols like H.323, RTP, SIP and good understanding about VOIP devices.
- Packet capturing, troubleshooting on network problems wif Wireshark, identifying and fixing problems
- Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.
- Implementation and configuration of F5 Big-IP LTM-6400 load balancers
- Experience wif convert Checkpoint VPN rules over to the Cisco ASA solution. Migration wif both Checkpoint and Cisco ASA VPN experience
- Responsible for Cisco ASA firewall administration across our global networks.
- Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
- Migration from Checkpoint firewall cluster to Cisco ASA 5580 firewalls in a failover pair configuration
Confidential
Network Engineer
Responsibilities:
- Worked on engine 3 line cards such as E3 16 port OC3, E3 OC48c and Channelized E3OC48.
- Engaged Network Operations on troubleshooting and root cause analysis on Minor, Major network problems
- Implemented BGP capabilities like ORF, Route refresh and Extended communities, for various customers.
- Configured OSPF on CISCO devices wif multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
- Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
- Assisted wif troubleshooting all network issues wif routers and switches when necessary and consulted wif on call tech as needed for client.
- Monitor, troubleshoot, test and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.
- Configuring/Troubleshoot issues wif the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting wif customer LAN /MAN, router/firewalls.
- Worked on project dat provide enterprise security and remote accessibility. These include functional testing, product deployment and system maintenance.
- Administration of the corporate firewall as well as site to site VPN and mobile VPN tunnels.
- Configuration and deployment of autantication services dat interact wif the corporate firewall and VPN.