Senior Software Engineer DevOps
Confirmed on the employer's own hiring board on Oct 1, 2026. First seen by Alion on Aug 7, 2026.
About Four Sea Group, Inc.
Four Sea Group is a 100% employee-owned technical mission support company based in Denver, Colorado. Founded by an aerospace industry veteran and PhD astrophysicist, we support complex defense, space, software, systems, and mission-focused programs for government and industry partners. What sets FSG apart is the caliber of our people and the way we operate: we are a reputation-driven team of highly skilled engineers and technical experts who are brought in for their depth, judgment, and ability to solve difficult problems. As an employee-owned company, we have built our compensation, benefits, and culture around a simple idea: when the company succeeds, that value should go back to the people doing the work.
About the role
Four Sea Group is seeking a Senior Software Engineer specializing in DevOps to define and advance secure, reliable, and repeatable software-delivery capabilities for complex customer programs.
This role contributes directly to Four Sea Group’s ability to deliver mission-critical software efficiently and consistently. The engineer will establish and improve technical approaches for continuous integration, continuous deployment, infrastructure automation, containerization, and embedded security while solving difficult problems that affect delivery across software, integration, test, infrastructure, and cybersecurity teams.
The ideal candidate combines advanced automation and scripting capability with broad experience across CI/CD, cloud platforms, containers, infrastructure as code, and DevSecOps. This role requires independent technical judgment, the ability to create reusable engineering practices, and the credibility to guide others while improving program delivery, reliability, and technical readiness.
Required Qualifications
- Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, Information Technology, or a related technical field, or equivalent practical experience.
- Typically ten or more years of relevant software engineering, DevOps, platform engineering, cloud engineering, or automated software-delivery experience.
- Active TS/SCI with Full Scope Poly
- Advanced experience designing, implementing, and maintaining CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI, Azure Pipelines, or comparable technologies.
- Strong scripting and automation experience using Bash, Python, PowerShell, or a comparable language.
- Experience automating software builds, testing, security scans, quality checks, and deployments.
- Experience with Git-based version control and collaborative software-development workflows.
- Advanced experience with Docker, Kubernetes, or comparable container and orchestration technologies.
- Experience implementing infrastructure as code using Terraform, Ansible, CloudFormation, or comparable tools.
- Experience integrating automated testing, code-quality, static-analysis, or security tools into delivery pipelines.
- Experience with at least one major cloud platform, such as AWS, Azure, or Google Cloud.
- Strong understanding of DevSecOps principles and the integration of security controls into software-delivery workflows.
- Ability to define technical approaches and reusable practices within a complex DevOps or software-delivery environment.
- Ability to independently resolve difficult issues spanning pipelines, deployments, containers, cloud platforms, applications, networking, and security controls.
- Ability to communicate technical decisions, risks, dependencies, and tradeoffs across engineering and program teams.
- Experience guiding engineers or coordinating technical work across multiple engineering disciplines.
- Strong written and verbal communication skills.
- All candidates must work in-person in Aurora (no virtual)
- Describe the experience and attributes of the ideal candidate
Preferred Qualifications
- Experience developing software for U.S. government, defense, intelligence, or other secure mission environments.
- Experience with automated testing pipelines, continuous integration, and continuous deployment.
- Experience with Docker or another containerization technology.
- Experience deploying or supporting applications within AWS, Azure, Google Cloud, or another cloud platform.
- Experience modernizing enterprise or mission-critical Java applications.
- Experience providing technical guidance or mentoring to other software engineers.
- Experience working across software development, integration, test, and DevOps teams.
- Experience with SAFe or another scaled Agile framework.
Salary: The salary range for this role is $140,000.00-$186,000.00per year. The salary range provided is a good faith estimate representative of all experience levels. Four Sea Group, Inc. considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate’s work experience, location, education/training, key skills, and market conditions.
Application Deadline: This position is expected to remain open through September 30, 2026. The company may adjust this deadline based on business needs and will update the posting as appropriate.
Benefits: FSG is 100% ESOP-owned, which means our employees share directly in the company’s growth. We offer competitive compensation, a strong employer-funded retirement plan, generous PTO and flexible time-off options, comprehensive health, dental, vision, life, short-term disability, and long-term disability benefits, plus a generous medical stipend that gives employees more choice and flexibility. Our model is intentionally built to keep more value with employees through salary, retirement, benefits, and ownership. You will work alongside experienced engineers and technical leaders on meaningful defense, space, software, systems, and mission support work, with room to grow as a technical expert, mentor, program contributor, or future leader.
EEO Statement: Four Sea Group is an equal opportunity employer and considers qualified applicants for employment without regard to race, color, sex, sexual orientation, gender identity or expression, religion, national origin, marital or familial status, age, disability, veteran status, military service or application for military service.