Network Engineer Resume
St Louis, MO
PROFESSIONAL SUMMARY
- Network Engineer with 5+ years of experience in the industry, which includes expertise in the areas of Routing, Switching and Firewall.
- Strong hands on experience in installing, troubleshooting, configuring of Cisco ASR, 7200, 3900, 3800, 2900, 2800, and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
- Hands on experience working with Cisco Nexus 7K, 5K & 2K Switches.
- Expert level knowledge 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.
- Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
- Experience with blocking of IP's on Checkpoint which are suspicious.
- Implementation traffic filters on Cisco routes using Standard, extended Access list.
- Expert Level Knowledge about TCP/IP and OSI models.
- In - depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
- Worked on NXOS, IOS, and IOS-XR and N7K-NXOS.
- Experience in Checkpoint IP Appliances R65, R70, R75, R77 & Cisco ASA Firewalls.
- Experience in F5 Load balancers.
- Extensive understanding of the Application Security Module (ASM) technology
- Experience in working with load balancer for converting CSS to ACE
- Experience deploying BIG-IP F5LTM Load Balancers for load balancing and traffic management of business application.
- Checkpoint IP Appliances and SPLAT &Cisco ASAFirewall.
- In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
- Experience in working with video from end-point in the network to the backend.
- Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
- Experience in working with Windows power shell scripting to maintain and administrating server environments.
- Implement, manage and upgrade of Checkpoint R70 to R77.
- Experience with 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.
- Cisco’s Application Centric Infrastructure (ACI) implementation (Nexus 9K, APIC).
- Experience on Virtual Private Network (VPN) for operating Network and Data Center.
- Experience with 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.
- Experience with design and implement of HSM (Hardware Security Module).
TECHNICAL SKILLS
Networking Technologies: LAN/WAN Architecture, TCP/IP, Frame Relay, VPN, VLAN, VTP, PAT, STP, RSTP, PVST, MSTP, DNS
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, Netflow
Operating Systems: Windows 7, Vista, XP, 2000, LINUX, Cisco IOS, IOS XR
Routers: CISCO 7500, 7200, 4000, 3700, 3600, 2800, 2600
Switches: CISCO 6500, 5000, 4500, 3550, 3524, 2900, Nexus 7k, 5k, 2k
Programming Languages: C, C++
AAA Architecture: TACACS+, RADIUS, Cisco ACS
PROFESSIONAL EXPERIENCE
Confidential, St. Louis, MO
Network Engineer
Responsibilities:
- Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.).
- Implementation, configuration and support of Checkpoint andASAfirewalls for clients.
- Experience in deployment of Nexus 7010, 5548, 2148T, 2248 devices
- Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
- Checkpoint Firewall upgrade from Checkpoint R65 to Checkpoint GAIA R77.
- Actively use, smart view tracker, and Checkpoint CLI (to security gateways) for troubleshooting.
- Implemented DHCP, DNS, IPAM configuration on the servers to allocate, resolute the IP addresses from Subnet
- Experience configuring Virtual Device Context in Nexus 7010
- Provided support for Confidential ’s Firewall team to identify and resolveCisco ASA,Blue coat, and Nokia firewall problems, including troubleshooting, file collection, and packet analysis globally.
- Installation and maintenance of Cisco Layer 3 switches 3750, 4500X, 6500 in multi VLAN environment.
- Experience with network based F5 Load balancers with software module GTM & Checkpoint.
- Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of 3900, 3800, 2951 and 2821 for branch connectivity.
- Working on Cisco 6509 and 4507 series switches for LAN requirements
- Involved in migration from Site-to-Site GRE tunnels network to MPLS-based VPN for customer's WAN infrastructure.
- Involved in Switching Technology Administration including creating and managing VLANS's, Port security, Trunking, STP, Inter VLAN routing, LAN security etc.
- Configured SSL certificates with Charles Web Proxy.
- Configured BGP, EIGRP and OSPF and Policy based Routing.
- Configuring OSPF and Static routing on Juniper M and MX series Routers
- Manage LAN & WAN and BlueCoat proxy servers.
- IP Address Design and Management: I manage DNS and DCHP using a Bluecoat at appliance called IPAM.
- Configured Access-list, NATTING onCiscoSwitches andASA firewall.
- Configuring and Troubleshooting IPSeC Site to Site VPN tunnels inASA Firewall.
- Configured Zones, Policies, and Routes onCiscoASA firewall.
- Provide Tier II Load Balancer expertise on F5 BigIP Local Traffic Managers (LTM). Designing F5 solutions/support for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
- Responsible for Checkpoint firewall management and operations across our global networks.
- Working with Checkpoint Support for resolving escalated issues.
- Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
- Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
- Coordinating with service providers for WAN link outages.
- Upgraded and updated Cisco IOS from 12.3T to 12.4.
- Used to DHCP to automatically assign reusable IP addresses to DHCP clients.
- Used ASA Firewall and ACLs for authentication of EIGRP to ensure high security on the network.
- Experience working, configuring, and supporting the Venafi Trust Protection Platform.
- Configured Cisco 7200 routers which were also connected to Cisco ASA 5508 security appliances providing perimeter based firewall security.
- Used load balancers ACE and load balancing technique with multiple components for efficient performance and to increase reliability through redundancy.
- Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE, ADSL, Multilayer Switching, DoD standards.
- Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
- Prepared migration plans of digital certificates.
- Created PKI enterprise infrastructure and conduct trends analysis.
- Administered SSL certification deployments and PKI infrastructure.
- Other responsibilities included documentation and supporting other teams.
Confidential, Brentwood, TN
Network Consultant
Responsibilities:
- Experience with migrating from OSPF to BGP WAN Routing protocol.
- Staged firewall rules in Check Point smart dashboard during the day time to install during window time.
- Firewall technologies including general configuration, optimization, security policy, rules creation and modification of Check Point Next-Generation Firewalls GAIA R77.10, R77.20 & R77.30.
- Network Redesign for Small Office/Campus Locations. This includes changes to both the voice and data environment.
- Configured SSL certificates using Charles Web Proxy.
- Monitored firewall logs in Check Point smart view tracker and captured packets in command line during troubleshooting.
- Installation and Configuration of Cisco Catalyst switches 6509, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy. It also includes the configuration of port channel between core switches and server distribution switches.
- Experience with setting up MPLS Layer 3 VPN cloud in data center.
- Experience in communicating with dsifferent customers, IT teams in gathering the details for the project.
- Packet Capturing Methods like Wire Shark to troubleshoot network connectivity issues.
- Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
- Configured TCP/IP addressing scheme to assigned IP blocks.
- Redesign of Internet connectivity infrastructure for meeting bandwidth requirements.
- Configured HSRP, VRRP, GLBP, and VLAN trucking 802.1Q on Catalyst 6500 switches.
- Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
- Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists.
Confidential
Network Executive
Responsibilities:
- Working Experience on MPLS,T1, T3, OC3, OC12, OC 48, GIGI circuits for testing & installation in the appropriate routers
- Installed, configured and maintain with the latest updates on the 3700, 3800, 7200 and 7600 Cisco Routers and 2960, 3750, 3560, 6500 Switches.
- Provided technical support for full setup, debugged the problems of OSPF, switching, HSRP and IPSEC tunnels formations.
- Configuring all the end ports as access ports using port fast and implementing BPDU guard.
- Installed and configured VPN IPSec for remote users using Cisco VPN Client and Cisco Secure ACS.
- Experienced with MPLS over VPN to provide best service to customers.
- Monitoring the network, troubleshooting network problems, implementing changes, provided Cisco IOS.
- Upgrades and backups of Cisco router configuration files to a TFTP server.
- Managed and configured DHCP, DNS, Antivirus, and backups, provided escalated IT support, hardware troubleshooting, backup and recovery, email communication and application support.