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Open since May 2026

Software Engineer IIIClearEdge · Annapolis Junction

Software Engineer III

Annapolis JunctionHybridFull-time

AI Summary

Develops and sustains Linux-based infrastructure software for High Performance Computing systems, automating deployments and integrating CI/CD pipelines in a mission-focused environment.

About this role

Join ClearEdge and be part of a mission-focused team solving some of the DoD’s most complex technical challenges. Every day, ClearEdge supports government and industry customers by delivering innovative solutions that enable critical operations and mission success.

ClearEdge offers an extremely competitive benefits package—including a $10k annual training and education benefit, a 10% 401(k) contribution fully vested on day one, annual health and technology allowances, and access to a state-of-the-art technology lab. Learn more at www.clearedgeit.com/careers/

Your Mission:

As a Software Engineer III, you will support the development and sustainment of infrastructure software and services for High Performance Computing (HPC) systems in a Linux environment. You will design, build, test, and maintain software components that support our mission operations. Your role involves working with containerized applications, automating deployments, and integrating continuous delivery pipelines.

This position requires a current polygraph within the last 7 years.

You Will Excel in This Role If You Are:

  • Experienced in designing and developing complex software systems
  • Confident in debugging, testing, and documenting system components
  • Skilled in containerization, automation, and CI/CD practices
  • Comfortable working in Linux environments using the command line
  • Knowledgeable in agile methodologies and collaborative toolsets
  • Effective in translating system-level requirements into software solutions
  • Capable of integrating and optimizing software within operational systems

    • A Day in the Life:

  • Developing and maintaining Linux-based software for HPC infrastructure
  • Scripting in Bash and Python to automate system tasks
  • Building and deploying containers with Docker, Podman, or containerd
  • Automating deployments using Ansible and supporting CI/CD pipelines
  • Debugging and troubleshooting issues in operational systems
  • Collaborating with cross-functional teams using Git, JIRA, and Confluence
  • Participating in Agile or Scaled Agile development sprints

    • What we are expecting from you:

  • TS/SCI with Polygraph (within the last 7 years)
  • Nine (9) years of software engineering experience OR Bachelor’s degree + seven (7) years of experience OR Master’s degree + five (5) years of experience
  • Proficiency in Linux CLI, Python, and Bash scripting
  • Experience with Rust or similar modern programming languages
  • Familiarity with Docker, Podman, or containerd
  • Hands-on experience with CI/CD tools such as GitLab CI or Jenkins
  • Strong understanding of Git and version control workflows

    • Nice to Have:

  • Familiarity with NetBox or other DCIM tools
  • Experience with Splunk or other observability platforms
  • Knowledge of Keycloak or similar IAM solutions
  • Experience using HashiCorp Vault for secrets management
  • Proficiency with the Atlassian Tool Suite (JIRA, Confluence)
  • Familiarity with Agile, Scrum, or SAFe methodologies

    • Skills

    Agile MethodologiesAnsibleBash ScriptingConfluenceContainerdDockerGitGitLab CIJenkinsJiraLinux CLIPodmanPythonRust

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