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Reflexive Concepts

System Administrator II

Annapolis Junction, MD, United States

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Job details

Posting language: English
Posted: Oct 13, 2026

Original job description

Reflexive Concepts is seeking a skilled System Administrator to join our team!

Specifically, the DEFSMAC team is seeking a System Administrator with strong Linux experience. This position requires an in-scope polygraph (within 7 years).

Key Responsibilities:

Manage and monitor IT infrastructure, including servers, networks, and cloud environments
Implement and maintain CI/CD pipelines to automate build, test, and deployment processes
Troubleshoot system issues and ensure high availability and performance
Collaborate with development teams to optimize deployment strategies and resolve environment-related issues
Automate routine tasks using scripting and configuration management tools (e.g., Ansible, Terraform)
Ensure system security through firewalls, antivirus tools, and access controls
Maintain documentation for system configurations, processes, and procedures
Stay current with DevOps trends

Qualifications:

Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity
Bachelor’s degree in Computer Science or related discipline from an accredited college or university
Five (5) years of additional SA experience may be substituted for a bachelor’s degree

Required:

Strong Linux experience
In-scope polygraph within 7 years

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More about this job

Skills

Linux
CI/CD
Solve ICT system problems
Ansible
IBM Terraform
Documentation
DevOps
Computer science

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