Sr. Network Engineer Resume
Mount Laurel, NJ
SUMMARY
- 8 years of experience in configuring, installing, deploying, implementing and troubleshooting Network & Security infrastructure on routers, switches (L2/L3) & firewalls of various vendor equipment.
- Expert knowledge of routers firewalls, routing protocols and switches.
- Experience in implementing temporary infrastructures.
- Developed and maintained a number of tools to assist the IT group in their tasks, including project management tracking, tracking IP, VLAN, and BGP community allocations, visualizing switch - fabric topology, and visualizing BGP route-reflector topology.
- Implementing & troubleshooting Cisco 2900, 3600, 3900, 7200, 7600 series routers, CAT OS 2960, 2560, 3750, 4500, 6500 series switches and Nexus 2k, 5k, 7k, series switches.
- Advanced knowledge of design, installation, configuration, maintenance and administration of Checkpoint Firewall R55 up to R77 version.
- Working experience in Start-up and Shutdown scripts, file system maintenance backup scripting and automation using Shell scripting, Bash and Perl.
- Experience in configuring, implementing and troubleshooting F5 load balancer in the enterprise network.
- Involved in Data centre migration including subnet migration, VPN migration, and network & security device configurations.
- Experience in updating the firmware, monitoring the servers, and setting up VLAN's.
- Black listing and White listing of web URL on Blue Coat Proxy Servers.
- Experience with handling DNS and DHCP servers.
- Experience in configuring protocols like TCP/IP, Routing Protocols (RIP, OSPF, BGP, IGRP and EIGRP), PPP, PPTP and L2TP.
- Experience in building and implementing access control lists depending on the needs of industry
- Worked on Checkpoint and Cisco ASA 5500 series Firewall providing support and configuring for NAT, PAT & advanced Firewall rules implementation. IPS on ASA's with Botnet protection
- In depth knowledge of IPv4&IPv6 addressing and Subnetting.
- Worked with Jenkins for Deployment.
- Use of network monitoring tools HP Open view, Cisco works, HPNA.
- Experience in layer-3 Routing and layer-2 Switching. Dealt with Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series, Cisco catalyst 6500, 4500, 3750, 3500 and 2900 series switches.
- Effective inter-personal skills, adaptive to any environment, keep abreast with the latest technologies and delivering solutions as an individual and as part of a team. Worked extensively on Data Center Palo Alto firewalls and F5 BIG-IP LTM.
- Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
- Experience with design and troubleshooting in complex network environments.
- Expertise in OSI layer model/TCP/IP.
- In-depth understanding of UDP and TCP protocols.
- Access control server configuration for RADIUS and TACACS+.
- Responsible for check point and Cisco ASA firewall administration across global networks.
- Worked on ASR 1000 series routers.
- Worked on Juniper devices like M, MX 240/480/960, EX9200, QFX10002, and QFX5100, T routers on advanced technologies like, MPLS VPNs, TE and other service provider technologies.
- Worked on Load balancer F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
- Knowledge of VPLS/L3VPN.
- Established relationships and network connectivity with vendors via site to site VPN.
- In-depth knowledge and hands on experience in Tier-2 ISP Routing policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, Firewalls.
- Configure all Palo Alto Networks Firewall models (PA-2k, PA-3k, PA-5k etc.) as well as a centralized management system (Panorama) to manage large scale Firewall deployments.
- Adept in handling network monitoring tools such as Wireshark, Net flow, SNMP and SYSLOG.
- Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of profession.
- Experience on project management, implementation and customer requirements.
- Good interpersonal and communication skills, working with customers on solving network problems in a timely manner.
TECHNICAL SKILLS
Cisco Routers: 2600, 2900, 3600, 3800, 7200 and 7600.
Cisco L2 and L3 Switches: 2900, 3560, 3750, 3850, 4500, 4900, 6500 series.
LAN Technologist: Ethernet, Fast Ethernet, Gigabit Ethernet, SMTP, VLAN, Inter- VLAN Routing, STP, RSTP, Light weight access point, WLC.
WAN Technologies: Frame Relay, PPP, HDLC, MPLS, T1, T3, OC Standard.
Firewalls: Cisco PIX, ASA, Juniper Secure Access VPN Appliance, Fortigate 40c.
Wireless/Voice Technologies: Cisco WLC, IEEE 802.1x and 802.11, WLAN, WAP, AP, SSID, LWAPP, VoIP/SIP, CUCM, UCCM, UCCX, MGCP, RTP, PoE, CCK, DSSS.
Load Balancing: F5:6400, 6800, 8800 with LTM, GTM, ASM, APM, Access Gateway, Secure Gateway.
VoIP: Call Manager, Call Manager Express, SIP Trunking.
Applications: Wireshark, Cisco packet tracer, GNS 3, Active Directory, Cisco IOS, Cisco prime Infrastructure, Cisco UCS, Microsoft Office, PowerPoint, Excel 2013-2016.
Services: Done Configuration for VLANs, STP, SNMP, ELRP, DMZ and Redundancy protocol (HSRP and VRRP).
PROFESSIONAL EXPERIENCE
Confidential, Mount Laurel, NJ
Sr. Network Engineer
Responsibilities:
- Experience with design and implementation of Data centre migration.
- Deploying and decommission of VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
- Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
- Extensive refactoring decoupling system components for redeployment.
- Assisted in MPLS migrations, implemented a backup for the
- Existing WAN connection using site-to-site IP sec VPN tunnels.
- Hands-on experience in TierII ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP.
- Configuring routing protocols OSPF, EIGRP, RIP, MPBGP, LDP and BGPV4.
- Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
- Installing, configuring Cisco Routers 3640, 2000, 7200, 3845, 3600, 2800 and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
- Installing and configuring new Cisco equipment including Cisco 3750/3550/3500/2960 , Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the company.
- Decoupling the software modules (DMS-MSC) and migrate it to the new platform, the Mobility Management Unit (MMU).
- Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for data center access architecture.
- Configuring RIP, OSPF and Static routing on Juniper M 120 series router and MX 10, MX 40 series Routers.
- Configuring & managing Security Devices that includes Juniper (NetScreen) Firewalls, F5 BigIP Load balancers, Blue Coat Proxies and Plug Proxies.
- Worked on HPNA (HP Network Automation) Tool where we can take device backups as Snapshots, Run Scripts on many devices making policies and diagnostic tests.
- Configured ACLs in Cisco 5500 ASA firewall for Internet Access requests for servers, Protocol Handling, Object Grouping and NAT control using Object NAT.
- Good hands on HPNA Automation and Systems Integration
- Responsible for Cisco ASA firewall administration across our global networks.
- Experience with converting Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience.
- Designed, configured, implemented site-site VPN on cisco ASA 5500 firewall.
- Implement the firewall rules using Netscreen manager (NSM).
- Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
- Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation.
- Experience with F5 load balancers to provide Land Balancing towards Access layer from core layer and configuring F5 LTM both by GUI and TMSH/CLI and Cisco load balancers (CSM, ACE and GSS).
- Configured and performed software upgrades on Cisco Wireless LAN Controllers 2504, 4404, 5508 for Wireless Network Access Control integration with Cisco ISE.
- Other responsibilities included documentation and supporting other teams.
- Configuration & Maintenance of Cisco ISE for Certificate based authentication for BYOD, Guest authentication and Corporate Mobile Device Authentication using Xenmobile MDM.
Confidential, Atlanta, GA
Sr. Network Engineer
Responsibilities:
- Experienced in an IP-based enterprise network environment as a network engineer or architect.
- Campus LAN switching using Cisco CatOS.
- WAN routing using MPLS and E-Line transport, with BGP, OSPF, EIGRP routing protocols.
- Knowledge of routing, switching, and 10G fiber optic/Ethernet cabling is required.
- Solid understanding of the Internet, Ethernet and be skilled at both troubleshooting and triage.
- Solid knowledge of network and security concepts, best practices, and technologies including IPSec, SSL, DNS, DHCP, routing and switch, IPAM, NAT, etc.
- Experienced with Layer 2 switching, VLAN's trunking technologies, Aggregation (LACP, PAGP, VPC, MEC; VTP; and STP, (R) PVST (+), MST.
- Supports network operations, maintenance and engineering including all aspects of the connectivity infrastructure, firewall support, and VPN support (IPSEC tunnels and remote access).
- Troubleshoots and resolves network outages and performance related issues.
- Experienced with upgrading code on network devices such as Cisco Switches and routers a must. A strong understanding of Networking OSI Model is required.
- Monitor subcontracted projects field progress.
- Configuring BGPv4, BGP Path Attributes, and Route Reflectors for an ISP transit network.
- Created new pools in Load balancers to accommodate newly added servers.
- Inspect and advise technicians for project fields.
- Examine and evaluate electrical works performed by technicians under my supervision.
- Prepare accurate field work report as well as billing of payment charges.
- Performed all work in accordance with established safety procedures.
- Ensure that electrical work meets stamped design drawings.
- Prepare and lead preparatory meeting with subcontractors.
- Prepare and Manage Construction Log for daily production.
- Manage Procurement of electrical equipment.
- Lead Weekly meeting with all parties involved and ensure that schedule is maintained
- Manage a team of at least 10 technicians.
- Perform preventive and corrective maintenance, troubleshooting, calibration, repair and replacement of Programmable Logic Controllers (PLC), variable frequency drives, communication network systems and HMI work.
- Comply with company safety program and trainings and Custom access granted.
- Enforce Company Zero-Injury Policy.
- Perform scheduled routine preventive maintenance on mechanical or electrical.
- Program and implement Automation systems including electrical schematics, PLC ladder logic.
Confidential, Houston, TX
Network Engineer
Responsibilities:
- Installation and management of overall administration of LAN, WAN, systems involving design of network layouts, configuration and maintenance, Commissioning Routers & Switches, firewalls, IPS and ensuring maximum uptime during site deployment to VoIP.
- Packet capturing/ Packet sniffers, troubleshooting on network problems with Wireshark, identifying and fixing problems.
- Performing network monitoring, providing analysis using various tools like Wireshark and Solar winds.
- Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
- Responsible for Cisco ASA firewall administration across our global networks.
- Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
- Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
- Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
- Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-VLAN routing, LAN security.
- Identify, design and implement flexible, responsive, and secure technology services.
- Modified internal infrastructure by adding switches to support server farms and added servers to existing.
- Validate existing infrastructure and recommend new network designs.
- Experienced Tech Support as it relates to LAN & WAN systems.
Confidential, Topeka, KS
Networks Engineer
Responsibilities:
- Configured EIGRP for Lab Environment.
- Implemented ISL and 802.1Q for communicating through VTP.
- Working with Client teams to find out requirements for their Network Requirements.
- Designing solutions for frozen requirements using Cisco Routers and Switches.
- Deploying the network infrastructure to meet the requirements.
- Created VLAN and Inter-VLAN routing with Multilayer Switching.
- Monitor performance of network and servers to identify potential problems and bottleneck.
- Performed administrative support for RIP, OSPF routing protocol.
- Maintained redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.
- Real time monitoring and network management using Cisco Works LMS.
- Provided technical support on hardware and software related issues to remote production sites.
- Responsible for LAN and internet connection file and print server.
- Maintained and installed new internet connections for customers.
- Handled installation of Windows NT Server and Windows NT Workstations.
- Handled Tech Support as it relates to LAN & WAN systems.
Confidential
Network Engineer
Responsibilities:
- Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
- Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues.
- Provide Tier1 technical support; assist users facing network problems. Perform advanced troubleshooting, diagnostics and provide tier/level-1 solutions to network failures.
- Network Migration from RIP to OSPF and EIGRP.
- Network infrastructure support to routing and switching equipment.
- Redistribute routing protocols and Frame-Relay configuration.
- Design the layout for cable installations.
- Troubleshoot and resolved dynamic routing, Ethernet switching and host connectivity issues in a window and network environment.
- Troubleshoot wiring problems and serial communication lines.
- Develop, plan and maintain documentation necessary for operation in support of LAN to WAN connectivity.
- Configured 2600, 2900 and 3600 routers with RIP and EIGRP.
- Basic Implementation of VTP and Trunking protocols (like 802.1q and ISL) on cat 3560, 3750 and 4500 switches.
- Installation, Maintenance, Troubleshooting Local and Wide Areas Network (ISDN, Frame relay, NAT, DHCP, TCP/IP) with team.
- Configured STP for loop prevention and VTP for Inter-VLAN Routing.
- Provided Network and Security Architecture and Operations support services for Windows 2008 based web, application and database servers.
- Troubleshoot TCP/IP problems; troubleshoot connectivity issues in multi-protocol Ethernet, Environment.