• Location: Herndon, Virginia
  • Type: Contract
  • Job #2022

Title: Linux Administrator – 2 Openings

Location: Herndon, VA

*Clearance: *Active TS/SCI w/ Poly *


Company Overview:

Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through the use of many different types of intelligence, satellite, and cyber technologies. Cornerstone’s Intelligence Sector provides solutions to the United States Government for information collection, operations, exploitation and dissemination, and research activities. Our Team specializes in software development, cloud architecture, systems and network engineering, systems integration, agile management, as well as targeting operations and intelligence analysis. Our support to our mission customers includes cyber network operations, exploitation and defense, signals intelligence, human intelligence, and critical missions and networks.

General Requirements:

  • Administer and manage Linux and hardware for on-premises systems, engineering, analysis, and test environments
  • Perform system and user account maintenance
  • Test and assess security configuration of Linux servers
  • Monitor, evaluate, and optimize system performance
  • Troubleshoot and resolve operating system conflicts
  • Analyze, test, and implement security patches and hardening
  • Perform maintenance data collection on the equipment
  • Perform preventive and corrective maintenance activities
  • Document maintenance actions
  • Installs, configures, and maintains multiplatform systems hardware, software, and components.
  • Integrates security solutions into information systems



  • Non-local travel is not expected


Security Requirements:

  • At minimum, TS/SCI with Poly
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