DevOps Software Engineer III

Company: ClearEdge
Location: Annapolis Junction
Posted on: February 19, 2026

Job Description:

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 www.clearedgeit.com/careers/ Your Mission ClearEdge is hiring a Software Engineer III to support DevOps-focused Operational and Maintenance (O&M) efforts for a large, multi-tenant, containerized Kubernetes High Performance Computing as a Service (HPCaaS) platform operating in a Linux environment. This role is entirely focused on DevOps, infrastructure sustainment, automation, and platform operations. You will be responsible for installing, configuring, integrating, monitoring, and sustaining Kubernetes-based infrastructure while ensuring platform reliability, scalability, and performance across mission environments. You Will Excel in This Role If You: Have a strong interest in DevOps and platform operations Are comfortable working extensively in Linux environments Enjoy infrastructure sustainment, automation, and operational stability Have hands-on experience with Kubernetes and containerized platforms Take ownership of system reliability and operational performance A Day in the Life Of: Supporting O&M activities for a multi-tenant Kubernetes HPCaaS platform Installing, configuring, integrating, and sustaining Linux-based systems and services Writing and maintaining Bash and Python scripts to automate operational tasks Administering Kubernetes clusters running on bare metal Supporting containerized services using Docker and containerd Managing Infrastructure as Code using tools such as Ansible and Terraform Supporting CI/CD pipelines using tools such as GitLab CI Monitoring system health and performance using Grafana and Prometheus Collaborating with engineers and stakeholders to maintain platform availability and scalability Must Have: TS/SCI with Polygraph clearance Master’s degree in a related discipline and five (5) years of SWE experience OR Bachelor’s degree in a related discipline and seven (7) years of SWE experience OR Nine (9) years of SWE experience in similar programs DevOps-focused experience supporting Linux systems in production environments Experience scripting and automating operational tasks using Bash and Python Experience with containerization and orchestration technologies including Docker and Kubernetes Experience administering Kubernetes clusters, including bare-metal deployments Experience with Infrastructure as Code and automation tools such as Ansible and Terraform Experience supporting CI/CD pipelines and using Git for version control Experience installing, configuring, and sustaining COTS, GOTS, and FOSS software General understanding of HPC system components including compute, networking, and storage Nice to Have: Familiarity with Site Reliability Engineering (SRE) principles and practices Experience with the Atlassian Tool Suite including Jira and Confluence Experience using system monitoring tools such as Grafana and Prometheus 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.

Keywords: ClearEdge, Olney , DevOps Software Engineer III, IT / Software / Systems , Annapolis Junction, Maryland