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Network Engineer Resume

New York, NY

SUMMARY:

  • Over 12 years of working experience in Network Planning, Designing, Implementing and Troubleshooting. Combined B.S. and M.S. in Computer Science
  • Working experience with CISCO Routers (806, 1600, 1700, 1800, 2500, 2600, 2800, 2951, 3500, 3745, 7200, 12000 ATM ) Cisco ASR 1002, 1009, CSR1000v, Cisco Nexus 3k, 9k, etc
  • Working experience with CISCO Switches (2960, 3560, 3750, 4503, 4506, 6500, 6807, 6840, 6880 Catalyst Series),
  • Working experience with JUNIPER Switches (EX2200, EX3300, EX4200, EX4550, EX8200) and M10i router.
  • Working experience with HP and DELL Switches (Power - Connect 2000, 3000, 5000). HP PROCURVE 2810 & 2610 Series
  • Working experience with ARISTA Switches 7050, 7150, etc
  • Working experience with ASA firewall 5505, 5515, 5525.
  • Hands on experience with WLC 5508, WLC Aruba 7210 and Aruba APs.
  • IOS, JUNOS, EOS software upgrades.
  • Microsoft Azure Cloud (express-route, resource-groups, Hub vnet, route tables, Vnet Peering, VM (CSRv routers), etc

TECHNICAL SKILLS:

Protocols: TFTP, DHCP, DNS, SMTP, SNMP, RMON, telnet, SSH, IP addressing, VLSM, IGMP, CGMP, PIM, NTP

Routing protocols: BGP, OSPF, RIP, EIGRP, IS-IS, Static Routing, IP addressing and IP address scalability by configuring NAT/PAT

WAN and Telecom technologies: Frame Relay, ATM, EVPL, T1

LAN: STP, RSTP, MST, VTP, VLAN, Port Channel Protocols like LACP and PAGP, LAG (Juniper), RTG (Juniper), Trunks ISL& Dot1q, PVLAN, VCAL, HSRP, VRRP, GLBP, Portfast, BPDU guard, port security, MAC limit, storm control, port mirroring(SPAN), Virtual Chassis(Juniper), multi-layer switching, VPC, VDC, Fabric Extenders, etc.

Security: ACL, ROUTE MAP, NAT/PAT, ASA Firewall, SSL VPN, NAT/PAT, GRE/IPsec VPN, IPSEC VPN, DES, 3DES, AES, MD5, DMVPN, VRF, etc

Applications: WinScp, FileZilla, Angry IP Scanner, Wireshark

Network Monitoring and Analysis tools: Orion SolarWinds, Zenoss Service Dynamics, Splunk, Cacti

Ticketing systems: Service Now for Change management, Remedy, Helpdesk Pilot and Service Desk, for incident management.

Network documentation: Visio, Project, PowerPoint, etc

PROFESSIONAL EXPERIENCE:

Network Engineer

Confidential, New York, NY

Responsibilities:

  • Provide expert level network engineering to support a wide range deployment activities with a focus on routing and switching and the Cisco product line.
  • Support both routine changes and large projects in colocation facilities, data center, extranets.
  • Construct valid configurations for implementation based upon design and/or technical concepts
  • Application of configuration changes via our change control systems and processes
  • Perform network infrastructure changes in a diligent and professional manner
  • Responsible for delivering the requisite level of network resiliency and for testing network failover.
  • Participate in daily meetings to review changes and under lying impacts
  • Support project managers and the regional management team in project planning, tracking, and reporting when required.
  • Interface and coordinate with other teams involved, including engineering, data center, network, operations teams, etc.
  • Mentor junior team members as well as train in areas of subject matter expertise.
  • Configure solutions in Azure using the following Azure Services: express route, NSG, Virtual Networks, VNET peering, LB, Cisco CSR1000v to connect to on-prem, etc
  • Cisco ASR1009, 1002, CSR1000v (AWS and Azure cloud projects), Nexus 9K, 3K, Cisco 6840, 6880, etc. DMZ (internal and external), vrf, route-maps, route filters, BGP, OSPF, static routing, acl, vlan, spanning-tree, HSRP, DMVPN, Multicast Sparse, MSDP, Azure portal (express-routes, resource-groups, Hub vnet, routing tables, Vnet Peering, VM (CSRv routers), etc

Network Core Engineer

Confidential, New York, NY

Responsibilities:

  • Responsible for the Datacenter Core Network and the last point of escalation for a team of 6 Network Engineers supporting 220 sites.
  • This network supports 20,000 employees in NYC area and all the applications sitting in the Datacenter. Juniper EX8208, EX4550, EX4200, EX3300, EX2200, etc
  • Planed, developed, maintained all the Datacenter network based on the needs and services of the Agency. Capacity, failover and disaster recovery planning.
  • Upgraded and configured switches from scratch and deployed them into the core network.
  • Performed routine configuration changes and work on the new projects supporting the datacenter and 220 remote sites.
  • Change management using Service Now.
  • Responsible for handling incident ticket requests in all phases such as troubleshooting, maintenance, software upgrades, patches and fixes with all around technical support.
  • Network planning and implementation of WAN technologies including T1, EVPL
  • Coordinate with Network Engineers for change implementation and troubleshooting complex networking issues.
  • Created technical documentations, network design documentation using VISIO, guides for team members.
  • Developed bill of materials (BOM) for project cost proposals supporting the Datacenter and built-outs of new locations.
  • Work in a structured cabling Datacenter, copper and fiber.
  • Worked with Juniper TAC on major issues caused by software bugs and hardware failures, equipment RMAs.
  • Work with service providers (Verizon, Spectrum, Lightpath) for service changes or new circuits. Work with (Juniper, Arista) for network support.
  • Configured STP edge, no root feature, and ensuring DHCP attack prevention using DHCP trust/untrust where needed.
  • Implemented: OSPF, OSPF stub on T1 sites, VRRP, RTG(Redundant Trunk Group- Juniper feature), Juniper Virtual Chassis, LAG (Link Aggregation Group) for bundling using LACP, Radius authentication, Syslog, SNMP, NTP, STP for loop prevention, VLAN, Access port VLAN assignment, Port Security, mac limit, storm control, port mirroring for troubleshooting(SPAN), etc
  • Performed software upgrades.
  • Provided pro-active and on-call support 24x7 for daily operations, outages and critical network issues. Weekend work for changes/upgrades that impact the production.

Tools: used: Splunk, Zennos, Cacti, Service Now (Change management), Service Desk (ticketing system), Wireshark.

Network Engineer

Confidential, New York, NY

Responsibilities:

  • Remote support for Network Integrations in 550+ schools.
  • Network redesign and reconfiguration. Create Bill of Materials (BOM) based on the new designs.
  • Create/change configurations for network switches, routers, Wireless controllers.
  • Verify network status and problem determination.
  • Troubleshoot network issues that arise due to the configuration and installation changes.
  • Maintain detailed network installation and configuration documentation
  • Configured VLANs, vlan mapping, VLAN routing, VTP, BPDU Guard, Loop Guard, port-fast, STP, RSTP, MST, EtherChannel, DHCP
  • Configured gateway load balancing using HSRP.
  • Aggregating switch links using LACP for servers, WLC, switches, etc
  • Implementing port based security by authenticating users with 802.1x switch port configuration and port security for restricting local user access.
  • Implement DHCP snooping used for spoofing attacks, IP source guard and Dynamic ARP inspection.
  • Perform IOS upgrades for Cisco 2951 Routers, 2960, 3560, 3750, 6500, 6880 Switches.
  • Migration from Cisco Catalyst 6500, 3550, 3560 to Cisco Catalyst 6880, 2960

Hardware: Cisco Catalyst 3550, 3560, 3750, 6500, 6880 Cisco routers 3700, 3800 and 2900, Cisco ASA5515, WLC 5508, WLC Aruba 7210 and Aruba AP.

Network engineer

Confidential, New York, NY

Responsibilities:

  • Part of a team of remote network engineers working on a nationwide network upgrade of 250+ sites for ATOS/Siemens GAIN/DX projects.
  • Complete redesign of the network, new redundant core/ edge switches, new IP addressing scheme, new VLANs and port mapping, inter vlan routing, new fiber connections, migration from RIP to OSPF, etc.
  • Created detailed network topology diagrams using MS Visio and network documentations
  • Network configuration and migration path planning for new standards of compliance.
  • Configuration peer review.
  • Perform IOS upgrades and update of the configurations based on the new standards.
  • Replicate and test production setup in a lab prior to deployment for some of the sites.
  • Implementing port based security by authenticating users with 802.1x switch port configuration and implementing VACL and port security for restricting local user access.
  • Implementing DHCP snooping, IP source guard and Dynamic ARP inspection.
  • Configured gateway load balancing using HSRP.
  • Configuration of AAA, VLAN, VTP, Spanning-Tree, Etherchannel, Port Trunking, VLAN pruning, SNMP, NTP, ACL, Static routes, PBR, Route-Maps, etc.
  • Next business day support post change implementation.

Technology: CISCO 2960, 3560, 3750, 4503, 4506, 6500 Catalyst switches.

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