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Sr. Network Consultant Resume

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San Francisco, CA

SUMMARY

  • Cisco Certified Network Engineer with 8 years of professional experience in designing, implementing and troubleshooting Routing, Switching, Data Center Networks and Firewall technologies.
  • Provided technical support for 50+ UK clients, and assisted them in troubleshooting network related issues.
  • Expertise in designing and implementing enterprise networks with IPv4/IPv6 addressing, and Subnetting.
  • Implemented MPLS and deployed multiple VRF’s to keep sensitive information between customers separate from each other.
  • Expertise in configuring and troubleshooting routing protocols RIP, EIGRP, OSPF, BGP and Policy - based Routing (PBR) on Cisco routers.
  • Implemented redundancy with HSRP, strong knowledge in implementing VRRP and GLBP.
  • Deployed Site-to-Site and Remote Access VPN’s using IPSEC.
  • Experience in implementing and troubleshooting layer-2 protocols VLAN’s, STP, RSTP, and propagating VLAN information with VTP implementation.
  • Expert in configuring and troubleshooting Inter-VLAN routing, and Ether-channel connections.
  • Experience in adding, modifying and deleting Access Control Lists (Standard and Extended), and NAT on Cisco Routers.
  • Experience with different Network Monitoring Tools and Sniffers like Wireshark, HP NNM, Infrared and CA Spectrum.
  • Expert in setting up Cisco routers and switches to perform functions at the Access, Distribution and Core layers.
  • Implemented traffic filters using ACL’s, Prefix Lists and Route Maps.
  • Implemented layer 2 port security and 802.1x authentication on access layer switches.
  • Experience in implementing Telnet, SSH, SNMP and AAA with TACACS+ and Radius implementation.
  • Experience in deploying BIG-IP F5 Load Balancer, and creating and troubleshooting Virtual Servers, Nodes, Pools and iRules
  • Experience with Cisco ASA firewalls. Configuring, Troubleshooting and Monitoring Cisco’s ASA 5500 series with NAT, ACL, Site-to-Site VPN’s, Multi-Contexts and Object Groups
  • Expert in implementing Site-to-Site VPN’s on Cisco ASA 5515, 5520 firewalls and implementing packet filtering using ACL’s and NAT

TECHNICAL SKILLS

LAN & WAN Technologies: Fast Ethernet, Gigabit Ethernet, PPP, HDLC, MPLS

Routing: EIGRP, OSPF, BGP, Route Filtering, Route redistributionStatic Routing, Summarization

Switching: VLANs, VTP, STP, RSTP, PVST, MSTP, Inter-VLAN routing, Port security, Ether-channels

Operating Systems: Windows XP/Vista/7/8/10, Cisco IOS

Redundancy protocols: HSRP, VRRP, GLBP

VPN Technologies: GRE Tunneling, Site-to-Site VPNs, Remote Access VPNs

Load Balancers: F5 Network (Big-IP) LTM3600

Tools: SolarWinds, Wireshark, HP NNM, Infrared

Microsoft office: Excel, PowerPoint, Word, Visio

Security: ACL's, ASA firewalls (5515, 5520. 5540), NAT, AAA, Port security, 802.1x authentication, IPSEC, Prefix Lists, Route Maps

PROFESSIONAL EXPERIENCE

Sr. Network Consultant

Confidential, San Francisco, CA

Responsibilities:

  • Installation, Management and Administration of LAN, WAN, Systems involving design of network layouts, configuration and maintenance, Commissioning Routers & Switches, firewalls, and ensuring maximum uptime.
  • Working with technical project managers to understand project priorities, taking ownership of tasks, and driving them to completion was a part of my job.
  • To ensure network related incidents are satisfactorily resolved in a timely manner, depending on the severity of the issues.
  • Managed and configured VPN’s, NATing and Object group based ACL’s on Cisco ASA Firewalls.
  • Implemented MPLS and deployed multiple VRF’s to keep sensitive information between customers separate from each other.
  • Monitored and analyzed Network traffic using SolarWinds and Wireshark
  • As a part of a new site implementation, configured different routing protocols like BGP, OSPF, EIGRP as per company standards
  • Implemented HSRP redundancy on layer 2 & Layer 3 core devices.
  • Ensured that all the routers are running with SNMP, SSH, Syslog, AAA, IP Flow, latest Cisco IOS etc. whenever a New Site came in to production.
  • Creating standard documents & network VISIO for all new and existing sites, which would help in troubleshooting incidents.
  • To define network architecture requirements, and provide guidance and recommendations regarding Network Design best practices for current and future projects
  • Configured Cisco routers and switches as per network design specifications
  • Implemented layer 2 port security and 802.1x authentication on access layer switches, and implemented AAA with TACACS+ and Radius implementation
  • Remotely diagnose and troubleshoot network equipment during rollout phase
  • Configured VLANs with 802.1q tagging, Trunk groups, Ether-channels, and Spanning Tree for creating Access/Distribution and Core layer switching architecture.
  • Implemented MPLS and deployed multiple VRF’s to keep sensitive information between customers separate from each other.
  • Installed, configured & maintained Cisco 7600, 7200, 3600 and 2900 series routers.
  • Implemented Site-to-Site VPNs over the Internet utilizing 3DES, AES/AES-256 with ASA Firewalls
  • Configured and deployed BIG-IP F5 Load balancers and monitored the Packet Flow in the load balancers.
  • Implemented Client based Remote access VPN setup (Cisco’s Any Connect) using Cisco ASA 5520 platform
  • Deployed F5 BIG-IP Local Traffic Manager and created Virtual Server Objects, configured LTM Nodes, Pools and Members

Environment: Monitoring, Configuring, Troubleshooting Cisco Switches 2900/3500/4500/3750 and Cisco Routers 7200/3800/2800 series, and Cisco ASA 5515, 5520, F5 BIG-IP Load balancer LTM, VLANs, VTP, STP, RSTP, Ether-channels, Port-security, BGP, OSPF, EIGRP, LAN, WAN, Encryption and Authentication, SolarWinds, Wireshark, MPLS, Telnet, SSH.

Network Engineer

Confidential, San Jose, CA

Responsibilities:

  • To provide Network Support for the company’s existing LAN, WAN infrastructure and troubleshooting network related incidents
  • Coordinating with service providers for WAN link outages
  • Provided technical support on hardware and software related issues to internal users.
  • To provide comprehensive change control plans when making changes to the network.
  • Joining bridge calls to understand the requirements of any new project, and to attend daily status update meetings with the team to understand where we were standing
  • Implemented redundancy on core routers and switches using HSRP
  • Performed IOS upgrades on Catalyst 2900, 3500, 4500 series switches and 2500, 2600, 3600, 7200 series routers
  • Configured EIGRP, OSPF, BGP routing protocols and resolved any related issues
  • Configured STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches
  • Created dedicated VLANs for Voice & Data with QOS for prioritizing VOICE over DATA.
  • Coordinating with Security team for NAT configuration and troubleshooting issues related to Access Lists and DNS/DHCP issues within the LAN network.
  • Configured VLAN’s and Ether-channel connections on Switches
  • Interacting with vendors to resolve technical issues with their equipment, and working with them while moving the existing network to a new hardware
  • Configured and deployed ASA Firewalls (5520, 5540) for high availability and failover
  • Monitored NAT, ACL’s, Multi-Contexts and Object Groups on ASA 5500 firewalls. Configured Site-to-Site VPN’s Encryption and Authentication policies
  • Deployed F5 BIG-IP load balancer and performed health checks on daily basis. Implemented Packet Filtering
  • Implemented Priority-based pool member activation, configured Virtual Servers, Pools, SSL profiles, iRules and NAT on F5 load balancer
  • Monitored network using SolarWinds and Infrared monitoring tools and provided daily health checks
  • Took backup of core configuration files on weekly basis

Environment: Cisco Switches 2900/3500/3550/3750/4500 series and Cisco Routers 7200/3600/3800/ 2600/2800 series, Cisco ASA 5520. 5540, F5 BIG-IP Load balancer LTM, VLANs, WAN, STP, RSTP, VTP, Infrared, OSPF, BGP, EIGRP, LAN, VOIP, VPN’s, ACL’s, NAT and HSRP, Port-Security, 802.1x Authentication, SNMP, QOS, Telnet, SSH

Level II Network Engineer

Confidential

Responsibilities:

  • Managed and implemented typical network setup consisting of Cisco routers and switches for both Onshore and Offshore locations.
  • Provided On-call technical support for 50+ UK clients, and assisted them in troubleshooting network related issues.
  • Monitored network using Infrared and HP NNM monitoring tools.
  • Implemented and configured customer’s LAN, WAN and MPLS network.
  • Coordinated with service providers for the bandwidth, feasibility, installation and maintenance, and TAC teams for device hardware and service issues.
  • Configured NAT, ACL, DHCP, VLAN, VTP, dual ISP auto failover, load balancing, and redistribution.
  • Was responsible for handling and troubleshooting Offshore LAN and WAN.
  • Configured routing protocols BGP, OSPF and EIGRP.
  • Configured Cisco switches for VLAN, VTP, STP, RSTP, HSRP and Ether-channel connections.
  • Installed, configured & maintained Cisco 7600, 7200, 3600 and 2900 series routers, and Cisco 2900 and 4500 series switches.
  • Worked on troubleshooting end user line issues, bandwidth and network issues.
  • Provided daily health checks and report generation.
  • Co-ordinated with Central Team for requirement/upgrade proposals for network components/service related issues.
  • Took backups of core equipment configurations, bandwidth utilization and NAT.
  • Worked on standard and extended ACL’s which involved adding, modifying and deleting.

Environment: MPLS, VRF’s, Site-to-Site VPN’s, ACL’s, NAT, OSPF, EIGRP, BGP, Infrared, RMS, HP NNM, Cisco Routers 2900/3500/7600 series, Cisco Switches 2900/4500 series, VLANs, STP.

Technical Support Engineer

Confidential

Responsibilities:

  • Extended technical support which involved installation, configuration, troubleshooting, up-gradation and maintenance of systems & network in the Data Center, for the client Central Bank of India.
  • Monitored network using CA Spectrum.
  • Implemented Site-to-Site VPN’s with IPSEC between branch devices and DC.
  • Created and managed the VLANs on the switches.
  • Provided redundancy between core routers and switches by configuring HSRP.
  • Configured OSPF in single and multiple areas, Route summarization, authentication & virtual links.
  • Configured EIGRP and implemented load balancing across equal & unequal cost paths, EIGRP stub, authentication and summarization.
  • Implemented and configured internal and external BGP routes.
  • Implemented route redistribution among multiple routing protocols.
  • Configured ACL’s and NAT on routers as per requirement.
  • Took backups and restored IOS and configuration files.
  • Created VLAN’s and implemented Inter-VLAN routing in layer-2 and layer-3 switches, AAA with TACACS+ and Radius implementation.
  • Assigned ports to the VLAN’s to enhance LAN security.
  • Configured banners, console and VTY passwords and configured Telnet and SSH.

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