• Type: Contract
  • Job #3103

Title: Sr. Network Engineer
*Clearance: *Active TS/SCI w/ Polygraph needed to apply *
Company Overview:
Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of the U.S. Government.  Realizing early on that our most prized assets are our employees, we continually focus our attention on improving the overall work/life experience they have supporting the mission.  Our Team is pushed every day to use their industry leading knowledge to provide end-to-end solutions to combat our nation’s toughest and most secure problems.  If you are looking for a place to not only be professionally challenged, but encouraged and supported by a company that cares, don’t look any further than Cornerstone Defense.
Sr. Network Engineer
Core Tasks:

  • Configure and optimize network hubs, routers, and switches.
  • Develop and implement network backup and recovery procedures.
  • Diagnose network connectivity problems.
  • Install and maintain network infrastructure device operating system software.
  • Install or replace network hubs, routers, and switches.
  • Monitor network capacity and performance.
  • Patch network vulnerabilities to ensure information is safeguarded against outside parties.
  • Test and maintain network infrastructure including software and hardware devices.


  • Master’s degree AND 10 years’ experience, OR
  • Bachelor’s degree AND 12 years’ experience, OR
  • High school diploma and 15 years’ experience as a Network Engineer
  • Experience with Cisco IOS and PAN-OS
  • Ability to demonstrate cyber/IT related experience with attention to detail, customer service, oral and written communication, and problem solving.
  • Active TS/SCI security clearance with full scope polygraph
  • Active DoD IAT Level III certification (e.g. CISSP, CCSP, GCIH, GCED, CASP+ CE, CCNP Security, CISA)
  • Active Cisco certification


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