Software Integration 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 Integration Engineer, you will play a critical part in the integration, installation, configuration, and sustainment of mission-essential software in a complex operating environment. You’ll support a multi-tenant Kubernetes on-premise platform that serves as the foundation for advanced applications across multiple teams. This position blends hands-on system engineering with DevOps principles to ensure reliability, performance, and security at scale.

You Will Excel in This Role If You Are:

• A problem solver who thrives in fast-paced, dynamic environments
• Comfortable switching between various architectural paradigms
• Eager to work in a containerized landlord/tenant environment and develop tools that enhance software production efficiency
• Passionate about collaborating across teams to support advanced computing and DevOps culture

A Day in the Life:

• Integrate, install, configure, upgrade, and support COTS/GOTS software in heterogeneous operating systems
• Manage software sustainment efforts, including updates and documentation for the full software stack
• Write and execute test codes to assess and characterize software performance
• Monitor and troubleshoot large Linux clusters, leveraging tools such as Prometheus and Grafana
• Administer and monitor Kubernetes clusters, using Helm for deployment and GitLab CI/CD pipelines to optimize workflows
• Implement Infrastructure as Code (IaC) automation with tools like Ansible, SaltStack, or Puppet
• Collaborate with cross-functional teams to enhance software efficiency and performance
• Use Atlassian tools (JIRA, Confluence) and Git for version control and task management

Must Haves:

• TS/SCI clearance with polygraph
• Bachelor’s degree in Computer Science or related field with eight (8)+ years of related experience or five (5) years of full-time Computer Science experience can substitute for a degree, with an additional eight (8) years in relevant roles
• Experience with Linux CLI and basic system administration
• Proficiency in scripting using Bash and Python
• Knowledge of compute, network, memory, and storage system components
• Experience with containerization technologies like Docker
• Hands-on experience with Kubernetes administration and monitoring
• Expertise in troubleshooting large-scale Linux clusters
• Familiarity with system monitoring tools (e.g., Prometheus, Grafana)
• Experience with version control systems like Git

Nice to Have

• Experience deploying Kubernetes applications using Helm
• Familiarity with GitLab CI/CD pipelines
• Knowledge of Site Reliability Engineering (SRE) principles

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.