Senior System Network Engineer

Note: TS/SCI with Poly is must

• Provide support for customer networks involving cross-domain solutions, including VPNs, one-way data transfers, unclassified mission related infrastructures, and Taclane 175 encryption devices.
  
• Specific configurations include routing using MPLS/VPLS, OSPF, EIGRP at the Core and Distribution devices and switching at the Access devices.
  
• Configure and troubleshoot Cisco catalyst switches (Spanning Tree, Port Security, VTP,Ether channels, VLANs).
  
• Configure and troubleshoot Cisco ASR routers (including HSRP, OSPF, BGP, route-map) Configure/Troubleshoot Cisco ASA firewalls.
  
• Troubleshoot various DNS, SMTP, IP routing, latency, and connectivity issues Implement TCP/IP & related services-DHCP/DNS.
  
• Experience with Cisco: Routers, Switches and Firewalls. Experience on Linux Network troubleshooting tools (tcpdump, ssldump, curl, wget, tcp tracroute, opemssl etc.).
  
• Routing and Switching experience are required.
  
• Install/Upgrade Cisco Switches and Firewalls (ASA) IOS using TFTP.
  
• Maintain all LAN/WAN connectivity.
  
• Document network problems and resolution for future reference Oversee software and network Security.
  
• Tier 3, On-call/after-hours support