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Systems Administrator- SA2 with Security Clearance

Cornerstone DefenseAnnapolis, MD🇺🇸United StatesPosted 15 Jul 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

Position: Systems Administrator Location: Annapolis Junction, MD Clearance: TS/SCI w/ Polygraph Pay Range: 170- 195K Company Overview: Cornerstone Defense, in partnership with our military, intelligence, and civil government customers, supports U.S. operations worldwide through advanced intelligence, satellite, and cyber technologies. Our Intelligence Sector provides support and solutions for information collection, operations, exploitation, dissemination, and research activities. Our specialists focus on software development, cloud architecture, systems engineering, and network engineering across key DoD and Intelligence Community organizations. The job duties are as follows: Work in an environment where you can help design the architecture and develop solutions to meet organizational needs. Looking for an innovative, and motivated individual to join a small, talented, and hardworking Linux team in a hybrid cloud environment. This team creates, maintains, and troubleshoots Linux instances on multiple networks, in multiple architectures. The ideal candidate will have hands-on Linux administration and scripting automation experience with knowledge of AWS Cloud technologies is a plus. Candidate must work well in a small team setting, have a desire to automate processes where possible, and a willingness to think outside the box to find solutions. Requirements: Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required. Bachelor's degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor's degree. Certifications: Compliance with DoD 8570.01-M with a minimum certification of IAT Level II (SEC+, CCNA) Required Skills: * Strong Linux administration experience including configuring, patching, monitoring, troubleshooting, etc. * Experience working with diverse teams to troubleshoot and resolve issues * Experience creating, debugging, and implementing Bash, Python, Puppet, and/or Ansible automation scripts * Ability to work in a team and mentor junior staff * Self-motivated and willing to learn new technologies * Ability to communicate issues with team members and/or service owners Desired Skills: * Experience with AWS, specifically EC2 Auto Scaling * Experience with aws-cli and boto3

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