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Network Engineer with Security Clearance

Cornerstone DefenseMcLean, VA🇺🇸United StatesPosted 15 Jul 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Network Engineer, Senior McLean, VA Required:

  • 3-5 years of HAND-ON network engineering experience in customer environment - Hands-on Cisco firewall experience (ASA/Firepower 5510, 5515X, FP4100's, etc...)
  • Hands-on Cisco Catalyst switch experience (Nexus switch experience would be a HUGE plus)
  • CCNP-level knowledge of Cisco networking (No requirement for certification, but understanding at this level is required)
  • Familiarity with cabling types/standards (i.e., Single Mode vs. Multi Mode, LC connector vs. SC connector, Cat5/6/7, etc...)
  • Good understanding of network link virtualization technologies (i.e., Ether-channel/Port-channel, Nexus virtual port-channels (vpcs))
  • Willingness to perform layer 1 tasks as needed (pul ling cable, racking/stacking, etc...)
  • Strong troubleshooting skills - Strong project management experience (i.e., ability to manage projects through their full lifecycle in order to meet deadlines)
  • Ability to use MS Visio to produce network diagrams - Must be able to survive and thrive in a non-enterprise, fast paced environment - Ability to create and present presentations for Engineering Review Boards and other ad-hoc technical briefings as necessary Desirable:
  • Understanding of how mission enclaves communicate with Enterprise networks - Familiarity with the Enterprise ticketing system - Familiarity with Cisco Firewall Management Center to manage Firepower firewall - Experience with Cisco Nexus Ethernet switching platforms (Nexus 5500, 5600, 7700, and 9500)
  • Experience with Cisco MDS Fibre Channel switching platforms (MDS 9000)
  • Familiarity with Storage Area Networking (SAN) and Fibre Channel protocols and standards - Familiarity with Linux operating system - Familiarity with SolarWinds network management/monitoring tool - Familiarity with virtual appliances (switches, firewalls, etc...)
  • Familiarity with JIRA - Experience working in a 'mission-like' environment (outside of Enterprise comms)
  • AWS/Cloud familiarity

Skills

AWS
Jira

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