Senior Linux Systems & Social Media Services Admin (TS/SCI)

Cornerstone Defense LLC; Maryland; On-site; USD 170,000 - 195,000; Full time

Job summary

Cornerstone Defense LLC is seeking a Systems Administrator (SA2) to join a Linux-focused team supporting Social Media Services in a hybrid cloud environment in Annapolis Junction, MD. The role requires TS/SCI with Full Scope Poly and offers a pay range of $170K-$195K per year.

Responsibilities include building and maintaining Linux systems, deploying services, writing automation, and collaborating with a small team to design solutions across multiple networks.

Qualifications

• Ten years of Systems Administrator experience on programs of similar scope.
• Bachelor's degree in a technical discipline, or five additional years of experience in lieu.
• Must comply with DoD 8570.01-M with IAT Level II certification (Security+, CCNA).

Responsibilities

• Build, configure, monitor, and troubleshoot Linux systems across networks and architectures.
• Deploy and maintain COTS and FOSS services on Linux environments.
• Develop automation solutions using Bash, Python, Puppet, Ansible, or similar tools.
• Contribute to system architecture discussions and solution design.
• Collaborate in a small team to resolve issues and maintain stability.
• Identify opportunities to automate tasks and improve efficiency.
• Communicate issues clearly with team members and service owners.
• Support and mentor junior staff as needed.

Skills

Linux admin

Automation scripting

COTS/FOSS deployment

Team collaboration

Communication

AWS (desirable)

Education

Bachelor's degree in a technical discipline

Tools

aws-cli

boto3

Puppet

Ansible

Job description

Cornerstone Defense LLC is seeking a Systems Administrator (SA2) to join a Linux-focused team supporting Social Media Services in a hybrid cloud environment in Annapolis Junction, MD. The role requires TS/SCI with Full Scope Poly and offers a pay range of $170K-$195K per year.

Responsibilities include building and maintaining Linux systems, deploying services, writing automation, and collaborating with a small team to design solutions across multiple networks.