Software Engineer III

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

ClearEdge is an established small business that values its employees and is committed to providing an environment where individuals can succeed and grow. We believe in developing our people, promoting from within, and fostering long-term career growth across the organization. Our Core Values—Honesty, Integrity, Loyalty, Fairness, Respect, Responsibility, and Accountability—guide everything we do. These principles shape our culture, inform our decisions, and drive our commitment to excellence in support of our customers and partners. If this position is not the right fit, we encourage you to visit our Careers page to explore other opportunities at ClearEdge or connect with one of our recruiters at careers@clearedgeit.com. ClearEdge is an equal opportunity employer.