Senior Software Engineer – Command & Control

• Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or a related technical field, or equivalent practical experience.
• 6+ years of relevant software engineering experience in technical or mission-driven environments.

• Experience in command-and-control (C2) software environments.
• Experience with C++ development.
• Experience with Python development or scripting.
• Experience supporting software development, integration, or sustainment in a structured engineering environment.
• Experience working in Agile software development environments.
• Ability to work independently within assigned scope and contribute to reliable delivery across software efforts.
• Strong written and verbal communication skills.

• Experience with SNMP and networked systems environments.
• Experience working with Cisco switches or comparable network infrastructure.
• Active CI Polygraph.
• Security+ certification or comparable security certification.
• Experience with automated testing frameworks such as Robot Framework or Behave.
• Experience supporting GitLab CI/CD pipelines or similar continuous integration and deployment workflows.
• Experience with operational or mission management platforms such as XMS, MCS, ECS, COPS, or similar environments.
• Experience working across software integration, automated testing, and release workflows in classified environments.

The salary range for this role is $151,700-$205,200 per 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 August 31, 2026 .

The company may adjust this deadline based on business needs and will update the posting as appropriate.

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.