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Network Engineer Resume

WashingtoN

SUMMARY:

  • CCNA CCNP CERTIFIED professional with over Around 7 years of experience in network design, implementation, and support. Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
  • Experience in Cisco Routing, Switching and Security with strong Cisco hardware/software experiences with Cisco Routers such as 1800, 1900, 2900, 3900, Cisco ASR - 1k/9k, Cisco Multilayer Switches Cisco Catalyst 4500, 6500, Cisco Nexus 2k/3k/5k/7k/9k and Juniper: M320, MX80, MX480, MX960 and EX4200, EX8200 switches.
  • Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
  • Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, Virtual Port Channel (VPC), HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, BGP, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc.
  • Experience in set up, configuration and management of Cisco ASA Firewall on 5505, 5510, 5512-X, 5515-X, 5520, 5525-X, 5540, 5545-X, 5550, 5555-X & 5585 on various domain such as Internet, DMZ, Business-Partner and Remote-Access VPN etc.
  • Familiar with implementing, deploying and monitoring Cisco ASA.
  • Implemented multiple Cisco Nexus based Data-Center environments, as well as 6500/4500/3750 series switches, 7200/3900/2900/1900 series router. Multiple data center migrations and transformation projects, with great expertise on Wireshark.
  • Experience in configuring and troubleshooting vPC on Cisco Nexus-5k for downstream FEX and Servers.
  • Worked on migration of Cisco 6500/4500 distribution layer switch to Juniper EX4200 (Virtual-Chassis) & QFX 5100/5200 for different client.
  • Expert in dealing with Networking Protocols and Standards such as TCP/IP, OSI, UDP, Layer 2 (VLANs, STP, VTP), Routing Protocols (RIP, EIGRP, OSPF, BGP).
  • Experience in troubleshooting NAT configurations, Access-Lists (ACL), and DNS/DHCP related issues within the LAN network.
  • Proficient in using Solar Winds Network Management tools like Network Performance Monitor (NPM), Net flow Traffic Analyzer, Putty, Network Configuration Manager (NCM), Cisco Prime and IP Address Manager.
  • Experience in configuring VLANs, STP, VTP, PVST and 802.x authentication in access layer switches.
  • Implemented MPLS/VPN services for various customers
  • Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
  • Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM& GTM module.
  • Experience in Configuring, upgrading and verifying the NX-OS operating system.
  • Strong knowledge of HSRP, VRRP Redundancy Protocols in high availability environment.
  • Good knowledge of TCP/IP and OSI model.
  • Well experienced in configuring vPC, VDC, VRF, HSRP, GLBP, ICMP, PPP, PAP, OSPF, CHAP and SNMP.
  • Experience in Physical cabling, IP addressing & subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
  • Access Control Server configuration for RADIUS & TACACS+ Also Strong knowledge of TACACS+, RADIUS implementation in Access Control Network.
  • Hands on knowledge in AAA protocols such as RADIUS, TACACS+ and Cisco ACS.
  • Assisted lead engineer in implementation of the IWAN (Intelligent WAN - Cisco SD-WAN) and VPN (Secure Transport) for enterprise networks.
  • Manages and configures VPN’s, NATing and Object group-based ACL’s on Cisco ASA Firewalls.
  • Performed IOS Software upgrades on switches Cisco 6509, 4510, 3750 and Cisco ASR for compatibility with Cisco ISE
  • Use and maintain routing protocols EIGRP, OSPF and BGP on the ISR Router models like 2951, 3845, 3945,7206 in the network & also worked on BGP Route Reflectors, Confederations
  • Established VPN tunnels between Cisco routers and Cisco Firewalls.
  • Worked on JUNOS platform and worked with JUNOS upgrade of Juniper devices.
  • Working Experience on Juniper Routers (J, M and MX-series)
  • In-depth knowledge and hands-on experience in ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS, Firewalls.
  • Highly valuable Project Management and Operations Planning skills.

TECHNICAL SKILLS:

Operating Systems: Windows NT, 2000, XP, Vistas, Windows 7, Linux, Windows Server 2003/ 2008, Microsoft Exchange Server, VMware, Citrix, Linux RHEL 6.1 Red Hat Enterprises

LAN Technologies: VLAN, VTP, Inter-VLAN routing, STP, RSTP, PVST, 802.1x, Token ring, Ethernet, Fast Ethernet, Gigabit Ethernet, LWAPs

WAN Technologies: ISDN, PPP, MPLS, Channel & Leased lines

Network Securities: NAT/PAT, Infoblox, VPN, Filtering, Load Balancing, IDS/IPS, IPSec, Cisco ASA, ACL

Load Balancer: Netscaler, F5 network (Big-IP) LTM 8900 6900 and 3900

Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, IPv6, TCP/IP, IPX/SPX, DHCP, DNS, SMTP, POP3, FTP, TFTPCCNA, TCP/IP, LDAP, IMAP

Switches: Cisco Nexus 7k, 5K, 6500, 4500, 3560 catalyst, 3750, 2960, Dell, Arista, Juniper, Confidential, HPN, and Brocade.

Routers: Cisco 7600, 7200, 2600, 2800, 3600, 3800, 881, ASA 5510, F5 load balancer, XR, CRS, ASR.

Firewall Security: Cisco PIX 525 series, Confidential, Cisco ASA 5500 series,, Juniper SRX

Security Server Protocols: TACACS+, RADIUS

Cloud Computing Platform: AWS, Azure

Network Managements: SNMP, SSH, Telnet, ICMP

Tools: HP Service Manager, Service now, SolarWinds, Wireshark, Infoblox, NetFlow, VMware, VirtualBox, Cisco Packet tracer, TCP Dump, GNS3, Cloud Computing, Software Defined Networking, MS Visio.

Scripting: Python

WORK EXPERIENCE:

Confidential, Washington

Network Engineer

Responsibilities:

  • Supported, Managed and maintained existing Multivendor production in network systems.
  • Upgrading Cisco Routers, Switches, Firewalls.
  • Implemented and troubleshooted SNMP, Net flow Settings Cisco ACI Infrastructure.
  • Experience working with Nexus Switches 2248, 5010, 7010, 90136YC, 9336, Cisco ASR 1002 router, Cisco ASR 1002X router, Cisco ISR 3845, Cisco ISR 3925, Cisco IOS switches 3750E-24/48P-PS, 3750E-24/48P-TS, 3750G, 3560, Firewalls 500, 850, 2050, 5050, 5060, 5250, 5260, Aruba Switches 5400R, 8320, 2960, 2530.
  • Working with Nexus technologies like VPC and VDC, troubleshooting, implementing VPCs.
  • Creating cisco stacks, troubleshooting them, adding or removing stack members.
  • Implementing GRE over IPSEC, IPSEC Tunnel between Cradle point devices and troubleshooting them for issues tunnels.
  • Adding, removing and updating DNS record, DHCP Reservation and Managing IP Address management (IPAM) in Infoblox.
  • Implementing Static routes, Limiting EIGRP advertised routes by prefix list, moving gateways of Vlan from core switches to Palo-alto firewalls.
  • Configured QoS policy on ASR 1002, Nexus 7k and 5k Switches to maintain connectivity between Monitoring tool Zenoss and network devices.
  • Migrated all network gear for SNMP V2c to SNMP V3.
  • Provide technical expertise and guidance during testing and deployment of systems.
  • Experience working with Netbrain, discovering new devices using seed discovery or IP range, Adding new devices to site, creating Qmaps and Qapps to implement network/site wide change, Creating L2 and L3 maps to troubleshoot every day problem keeping workspace updated.
  • Creating Physical and logical Network documentation, comparing configs of devices, backing configs of devices, managing IP address subnets, Monitoring health of devices using Netbrain.
  • Worked on ACL Cleanup project and Route Cleanup project to optimize core and edge network devices performance.
  • Decommissioning Silver peak systems network device configuration and updating documentation.
  • Monitoring and filtering traffic based on object groups and URLs in Confidential 5050, Updating creation of ACL policies for Cisco 5580 ASA firewall with access control to NAT and object grouping functions.
  • Performed Route Filtering and Route Manipulation by applying distribute-lists, route-maps, administrative distance and offset-lists.
  • Troubleshooting and solving networking issues - TCP/IP, Layer 2/3 network devices

Environment: Cisco 6500/3750/3550/3500/2950 switches, Juniper (M320, T640), Cisco 7200/3845/3600/2800 routers, windows server 2003/2008TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, F5 VIPIRON, Ether Channels. Cisco Nexus 7K/6K/5K, MPLs, VPN, Cisco ASA, F5 Load Balancer, Netscaler, Bluecoat, Juniper, Confidential, Cisco Any connect, HP Openview, SIEM, Solarwind, Forcepoint, Firepower, FireEye, Nessus, NMAP, Wireshark

Confidential, Columbia, MD

Sr. Network Engineer

Responsibilities:

  • Worked as part of a team to manage Enterprise Network Infrastructure as a Tier 3 Support Engineer.
  • Involved in configuring and implementing of Composite Network models consists of Cisco 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
  • Conversions to BGP WAN routing, which will be to convert WAN routing from OSPF to BGP which involves new wan links.
  • Replace branch hardware with new 3900 routers and 2960 switches.
  • Configuring firewall switch module on Cisco 6506 distribution layer switches, configuring VTPs, Trunking, inter-VLan routing, port fast, uplink fast, backbone fast on access layer switches.
  • Planned and installed Frame Relay WAN links to the branch offices.
  • Maintained and setup wireless access points at various locations in the company.
  • Understanding of WLAN including 802.11 standards, Lightweight and Autonomous systems.
  • Experience in monitoring, alerting, preventive action framework for Brocade SAN switches.
  • Assisted in MPLS migrations, implemented a backup for the existing WAN connection using site-to-site IPsec VPN tunnels.
  • Worked on Network Traffic sizing of cloud to Wireless network through security firewalls.
  • Implement the firewall rules using Netscreen manager (NSM).
  • Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation.
  • Helped in troubleshooting in DDoS.
  • Configuring and troubleshooting OSPF routing protocol on the corporate network.
  • Tested and implemented various BGP attributes such as Local Preference, MED, AS-PATH, Community, Extended community using route-maps.
  • Worked on migration of Frame Relay based branches to MPLS based VPN for customer’s WAN infrastructure. Wireless
  • Worked on migration of existing PIX firewall to ASA firewall, PIX OS upgrade from 6.3 to 7.0, also configured on BIG IP (F5) Load balancers and also monitored the Packet Flow in the load balancers.
  • Implemented VLAN, LAGs, and Port-channels on Brocade switches.
  • Implemented BNA (Brocade Network Advisor) on the migrated network for monitoring and management of the network devices.
  • Have good working experience with the Trouble Tickets on F5 Load Balancers.
  • Managing enterprise BGP setup by configuring and troubleshooting BGP related issues.
  • Scaling of BGP and IGP in the core, dealt with implementation of deployment related to Cisco devices and applying security policies on it.
  • Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.
  • Configuration of NAT.
  • Maintain effective communications with vendors, peers and clients in resolution of trouble-tickets, and support requests.
  • Managed data back-ups, scheduled data back-up, and preparation for disaster recovery files.
  • Planning for upgrade of IOS on devices and performing the upgrade.
  • Assisted in the architecture, evaluation and recommendations related to purchasing and installing hardware, software related to IP Networking.

Environment: Cisco Routers, Cisco Switches, switch WAP, Nexus 7k/5k/2k Routing protocols, Cisco IOS VLAN’s (VOIP), F5 Load Balancer HSRP, VRRP, IPSEC VPN, QOS, Cisco PIX, ASA firewall, MPLS, VLANS, VTP, RSTP, ACL, NAT, IDS/IPS, SIP, RTP, RADIUS, TACACS+, Juniper SRX, ASR 9000, Catalyst 6500, CRS, Cisco ASR Firewall.

Confidential, Irving, TX

Network Engineer

Responsibilities:

  • Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201 and 3945E
  • Involved in design and implementation of Data center migration
  • Successfully migrated the Cisco legacy environment which consist of 6500, 4500 to Cisco Nexus 7k/5k/2k.
  • Configured policy statements, routing instances, route manipulation on RIP, OSPF and BGP.
  • Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN
  • Perform various scheduled maintenance tasks across numerous platforms and datacenters such as building VLANs and configuring switch ports on Cisco
  • Configuring switch ports (VLAN tagging, switch port mode, Port Channel) at distribution and Access layers for new server builds and critical server movement as per requirement
  • Infrastructure trouble shooting and TCP/IP Protocols Experience
  • Involved in Configuration of Access lists (ACL) on Juniper and Confidential firewall for the proper network routing for the B2Bnetwork connectivity
  • Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP, Spanning Tree Protocol etc.
  • Good understanding on iRules

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960/6500 switches and Cisco 3640/12000 / 7200/3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, Cisco ASA5510, OSPF, EIGRP, RIP, BGP, VLAN, VPN.

Confidential, Milwaukee, WI

Network Consultant

Responsibilities:

  • Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201 and 3945E
  • Involved in design and implementation of Data center migration
  • Successfully migrated the Cisco legacy environment which consist of 6500, 4500 to Cisco Nexus 7k/5k/2k.
  • Configured policy statements, routing instances, route manipulation on RIP, OSPF and BGP.
  • Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN
  • Perform various scheduled maintenance tasks across numerous platforms and datacenters such as building VLANs and configuring switch ports on Cisco
  • Configuring switch ports (VLAN tagging, switch port mode, Port Channel) at distribution and Access layers for new server builds and critical server movement as per requirement
  • Infrastructure trouble shooting and TCP/IP Protocols Experience
  • Involved in Configuration of Access lists (ACL) on Juniper and Confidential firewall for the proper network routing for the B2Bnetwork connectivity
  • Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP, Spanning Tree Protocol etc.
  • Good understanding on iRules

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960/6500 switches and Cisco 3640/12000 / 7200/3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, Cisco ASA5510, OSPF, EIGRP, RIP, BGP, VLAN, VPN.

Confidential

Jr. Network Engineer

Responsibilities:

  • Designed and implemented remote dial up solution for clients and installed and configured workstations for IP based LAN’s.
  • Installed and configured DHCP Client/Server
  • Configured and managed firewall networks using L3 protocols like RIPv2 and also configured L2 and L3 security features on Wireless network devices.
  • Configured VLANs, Private VLANs, VTP and Trucking on switches.
  • Configured L2 and L3 security features on Wireless network devices.
  • Troubleshoot and Worked with Security issues related to Cisco ASA/PIX, IDS/IPS and Juniper Netscreen firewalls.
  • Utilized Network Instruments for packet analysis and to monitor network
  • Configuring, implementing and troubleshooting F5 load balancer in the enterprise network.
  • Implemented Positive Enforcement Model with the help of Confidential Networks
  • Hands-on work in Inter-Vlan routing, redistribution, access-lists and dynamic NAT
  • Configured IT LAN/WAN elements and held responsibility of maintaining and monitoring network performance with Wireshark
  • Provided Tier1 technical support; assisted users facing network problems. Performed advanced troubleshooting, diagnostics and provided tier/level-1 solutions to network failures
  • Performed Network Migration from RIP to OSPF and EIGRP.
  • Experience in providing Network infrastructure support to routing and switching equipment redistributed routing protocols and Frame-Relay configurations.

Environment: Cisco Routers, Cisco Switches, VLAN, STP, RSTP, Ether Channel, OSPF, EIGRP and RSTP, MST, Frame-Relay, DHCP, Cisco PIX, ASA firewall, F5 Load balancer, VTP, NAT, IDS/IPS, Confidential Networks, F5 Load Balancer, Wireshark.

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