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Sr Network Engineer Resume

Silver Spring, MD

SUMMARY:

  • An inspired Senior Network Engineer with 10 years’ extensive Engineering experience. Proficient in configuring and troubleshooting a range of network and security devices and technologies including routers, switches, firewalls, VoIP, LAN, WAN, WLAN, ACI, and routing protocols. A team player with strong technical, interpersonal, and organizational skills.

PROFESSIONAL EXPERIENCE:

Sr Network Engineer

Confidential, Silver Spring, MD

  • Creating and configuring new dashboard tunnels to AWS cloud.
  • New LAN, WAN and WLAN implementation and deployment for sites.
  • Managing and Troubleshoot ASA 5540 & 5585 - X VPN connectivity issues.
  • Wireless controller (WLC 5508) configuration and new WLAN implementation for FDA sites.
  • Code upgrade for multiple WLC’s, ASA’s, switches, and routers.
  • Multiple 3850, 4510 R+E switches and 4351 routers configuration and preparing for deployment to sites.
  • External DNS changes and IP address management in Infoblox.
  • Involvement on the new AnyConnect version and profile and Cisco firepower release projects.
  • Managing RSA tokens and devices.
  • MAN sites Switch and router upgrade projects maintenances.
  • Troubleshoot slowness/TCP retransmit issues using Wireshark, Netflow, Riverbed and Cisco NAM tools.

Network Engineer

Confidential, Alexandria, VA

  • Supported NSF to relocate their network and datacenter from Arlington to a new building in Alexandria, VA.
  • Acquisition, installation, configuration, and maintenance of NSF LAN and WLAN.
  • Configured EPG, update APIC, implement access and fabric policies in datacenter’s ACI environment.
  • Provisioned ports in ACI to support SAN, VoIP, and hypervisors.
  • Configured Dot1x on 4510 Cisco catalyst switch for radius/TACACS+ authentication and to support security badge and camera devices.
  • Configured NAT and ACL rules on ASA 5585 9.6(3)1 using ASDM 7.8(1).
  • Created profile in Cisco ISE to authenticate multiple devices including 4510 cisco catalyst switch, 8851 VoIP phone, Ricoh printers, Crestron, and A/V devices.
  • Configured MDM integration with ISE; BYOD and guest wireless profile in ISE.

Network Engineer

Confidential, Bethesda, MD

  • Acquisition, installation, configuration, and maintenance of NIH LAN and WAN.
  • Planned, designed and implemented network upgrades and changes by following CM procedures.
  • Configured HSRP on routers to ensure customer has high availability and redundancy.
  • Hands-on experience on cisco technologies including MPLS, PVST+, VRF, LACP, PAGP, and VPN.
  • Added, Moved and Changed Data and Voice VLANs with ACL and anti-spoofing configuration for NIH customers.
  • Monitored, configured, and troubleshed Cisco ASR 9K, Nexus 7k, 5k, 7600, 7200, 6500, 4500, 3750, 3850, 2800, 2750, and 2600 devices.
  • Assisted UC team on Voice Vlan Migration and configuring VoIP Vlans and QOS on cisco switches.
  • Troubleshoot wireless network connectivity end-user issues using Cisco Prime, NCS and controllers (5500).

NOC Specialist

Confidential

  • Regularly monitored and responded to all incoming issues for Sirius XM Streaming services using ZENOSS and Solar Winds applications.
  • Provided call support to questions about the features and operational availability of services to internal management and 3rd party vendors.
  • Opened trouble tickets with 3rd party vendors using BMC Magic ticket system when incidents occur.
  • Troubleshoot and resolved problems to ensure Product, Networking/IP connectivity, Server functionality, and Application availabilities.
  • Actively participated in Validating and revising IPNOC support documents and procedures.

IT Technical Support Specialist

Confidential, Silver Spring, MD

  • Designed and determined hardware and software requirement for voice and data networks implementation for customer projects.
  • Diagnosed and correlated complex problems, identified root causes, and developed remediation strategies.
  • Installed, Configured, implemented, and troubleshoot WAN, Cisco Call Manager, VMware ESX/ESXi, Cisco (3700/4500/6500 ) and Juniper (EX 2200/3200/4200 ) devices.
  • Created user and group account, email account and account management using Microsoft and exchange servers.
  • Created, recorded, and troubleshoot tickets using ITSM ticketing system.

Network Engineer

Confidential

  • Designed and implemented wireless and wire line networks for clients with mid to high level network infrastructure.
  • Configured, Supported and troubleshoot client’s Cisco wireless infrastructure (access point, WLC, and WCS).
  • Implemented Switching technologies like STP, VTP and VLAN security on L2 and L3 layer switches.
  • Configured and Implemented Routing Protocols like OSPF, EIGRP, and BGP on client networks.
  • Installed, Configured, and troubleshoot Cisco Switches (2960/3750/4500 ) and routers (2600/2800).
  • Implemented encrypted technologies including SSH, VPN, Wireless Security, Key pairs, Certificates, and SSL.

TECHNICAL SKILLS:

Hardware: Cisco Routers (2600/2800/3800/4351/ ASR 9K), Cisco Switches (2960-x/ 3750/3850/4500/6500/ Nexus 2/5/7/9K), Cisco ASA (5510/5540/5585 ), Juniper Switches ( 2200/3200/4200 ), Juniper Router (MX-480).

Operating Systems: Cisco IOS, Cisco IOS XR, Cisco IOS XE, NX-OS, Cisco Call Manager, windows server 2003/08/08R2, Exchange Server 2010, Junos, Linux Red Hat/ centos/ Ubuntu, and Unix FreeBSD.

Security: ISE, 802.1x, IDS, IPS, AAA, TACACS+, RADIUS, SSL, GRE, IPSEC, NAT/PAT, and ACL.

Protocols/Technologies: STP, RSTP, 802.1Q, Vlan, VTP, IP, TCP, UDP, DNS, DHCP, FTP, TFTP, SMTP, OSPF, EIGRP, BGP, RIP/RIPV2, MPLS, QOS, NTP, HSRP, VRRP, WLC, WCS, H323, SIP, ACI

Network Management: Cisco Works, Riverbed, SNMP, Wire Shark, Zenoss, PRTG, Monolith, and Solar Winds

Office Productivity: Word, Excel, PowerPoint, and Visio

Others: VMware, vSphere, Cisco AnyConnect VPNs, RSA Secure ID

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