Software Engineer III

Job Description

Job Description

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

Your Mission:

As a Software Engineer III, you will design, develop, test, deploy, document, maintain, and enhance complex software systems. You will integrate custom software with COTS, GOTS, and FOSS products, develop cloud-based and containerized applications, implement complex algorithms, and ensure software quality through rigorous testing and continuous integration practices. You will also provide technical leadership, support system integration efforts, and contribute to architecture decisions including hardware/software trade-offs and technology selection.

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

You Will Excel in This Role If You Are:

• Experienced in designing, coding, testing, and maintaining complex software systems
• Skilled in Linux/Unix environments and comfortable using the Linux CLI
• Proficient in Python (3.x) development and Bash shell scripting
• Familiar with Rust programming concepts or eager to learn and apply them
• Experienced with containerization technologies such as Docker and containerd
• Skilled in Kubernetes and creating Helm Charts for container orchestration
• Comfortable working with NoSQL databases such as MongoDB
• Familiar with messaging frameworks including RabbitMQ
• Knowledgeable in CI/CD principles and tools such as GitLab CI
• Experienced with Infrastructure-as-Code (IaC) tools such as Ansible

A Day in the Life:

• Developing Python-based services and contributing to Rust-based capabilities
• Writing and maintaining Bash scripts for automation and system operations
• Building and deploying containerized applications using Docker and Kubernetes
• Creating and maintaining Helm charts for Kubernetes deployments
• Integrating software with COTS, GOTS, and open-source tools
• Developing and optimizing data-driven or event-driven analytics systems
• Designing and executing software test procedures and documenting results
• Debugging software defects and modifying code to improve performance
• Developing simple and complex queries for MongoDB and PostgreSQL databases

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
• Experience developing in Unix/Linux environments
• Experience using Linux CLI and tools
• Experience with Bash shell scripting
• Recent experience with Python (3.x) development
• Experience with NoSQL databases such as MongoDB
• Experience with container technologies (Docker, containerd)

Nice to Have:

• Experience with SQL databases such as PostgreSQL
• Experience with the Atlassian Tool Suite (Jira, Confluence)
• Experience with Java development and J2EE applications
• Experience with orchestration frameworks such as Spring or Kafka
• Experience developing cloud-based solutions
• Experience serving as a technical lead or overseeing software development teams

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 View email address on us.fitly.work. ClearEdge is an equal opportunity employer.