{"schemaVersion":"jobsearcher.job.v1","id":"36d7ffde592ff530dc5591c1","url":"https://jobsearcher.com/jobs/36d7ffde592ff530dc5591c1","canonicalUrl":"https://jobsearcher.com/jobs/36d7ffde592ff530dc5591c1","title":"Senior Software Engineer - Command & Control","description":"Senior Software Engineer – Command & Control\r\nFour 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.\r\nAbout the role\r\nWe are seeking a Senior Software Engineer – Command & Control to support the design, development, integration, and sustainment of software solutions in a secure mission environment. This role is best suited for a strong software engineer who can lead delivery within a defined technical scope, resolve cross-team software issues, and support reliable execution across integrated development efforts.\r\nThe ideal candidate brings solid software engineering fundamentals, practical technical judgment, and the ability to work independently while collaborating effectively across software, systems, integration, and test teams in a high-consequence environment.\r\nWhat you'll do\r\nDesign, develop, enhance, and maintain complex software applications, services, and components.\r\nLead delivery of larger features or technical workstreams through implementation, testing, integration, and sustainment.\r\nTranslate software requirements into effective, maintainable technical solutions within assigned scope.\r\nSet implementation approach within assigned work with attention to performance, reliability, maintainability, and testability.\r\nTroubleshoot, debug, and resolve software defects and cross-team technical issues that affect execution or integration.\r\nParticipate in design reviews, code reviews, technical planning, and continuous improvement efforts.\r\nCollaborate with systems engineers, integration teams, testers, and program stakeholders to support aligned execution and successful delivery.\r\nIdentify technical risks, communicate tradeoffs, and recommend practical mitigation strategies.Provide peer guidance and help reinforce strong engineering practices across the team.\r\nSupport software quality through disciplined development, testing, documentation, and structured delivery practices.\r\nRequired Qualifications\r\nBachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related technical field, or equivalent practical experience.\r\n6+ years of relevant software engineering experience in technical or mission-driven environments.\r\nActive TS/SCI Security Clearance\r\nExperience in command-and-control (C2) software environments.\r\nExperience with C++ development.\r\nExperience with Python development or scripting.\r\nExperience supporting software development, integration, or sustainment in a structured engineering environment.\r\nExperience working in Agile software development environments.\r\nAbility to work independently within assigned scope and contribute to reliable delivery across software efforts.\r\nStrong written and verbal communication skills.\r\nPreferred Qualifications\r\nExperience with SNMP and networked systems environments.\r\nExperience working with Cisco switches or comparable network infrastructure.\r\nActive CI Polygraph.\r\nSecurity+ certification or comparable security certification.\r\nExperience with automated testing frameworks such as Robot Framework or Behave.\r\nExperience supporting GitLab CI/CD pipelines or similar continuous integration and deployment workflows.\r\nExperience with operational or mission management platforms such as XMS, MCS, ECS, COPS, or similar environments.\r\nExperience working across software integration, automated testing, and release workflows in classified environments.\r\nSalary\r\nThe 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.\r\nApplication Deadline\r\nThis 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.\r\nBenefits\r\nFSG 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.\r\nEEO Statement\r\nFour 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.\r\nJ-18808-Ljbffr","company":"Four Sea Group","rawCompany":"four sea group","city":"Aurora","state":"CO","isRemote":false,"isActive":false,"createdAt":"2026-07-04T02:16:29.679Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Senior Software Engineer - Command & Control","description":"Senior Software Engineer – Command & Control\r\nFour 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.\r\nAbout the role\r\nWe are seeking a Senior Software Engineer – Command & Control to support the design, development, integration, and sustainment of software solutions in a secure mission environment. This role is best suited for a strong software engineer who can lead delivery within a defined technical scope, resolve cross-team software issues, and support reliable execution across integrated development efforts.\r\nThe ideal candidate brings solid software engineering fundamentals, practical technical judgment, and the ability to work independently while collaborating effectively across software, systems, integration, and test teams in a high-consequence environment.\r\nWhat you'll do\r\nDesign, develop, enhance, and maintain complex software applications, services, and components.\r\nLead delivery of larger features or technical workstreams through implementation, testing, integration, and sustainment.\r\nTranslate software requirements into effective, maintainable technical solutions within assigned scope.\r\nSet implementation approach within assigned work with attention to performance, reliability, maintainability, and testability.\r\nTroubleshoot, debug, and resolve software defects and cross-team technical issues that affect execution or integration.\r\nParticipate in design reviews, code reviews, technical planning, and continuous improvement efforts.\r\nCollaborate with systems engineers, integration teams, testers, and program stakeholders to support aligned execution and successful delivery.\r\nIdentify technical risks, communicate tradeoffs, and recommend practical mitigation strategies.Provide peer guidance and help reinforce strong engineering practices across the team.\r\nSupport software quality through disciplined development, testing, documentation, and structured delivery practices.\r\nRequired Qualifications\r\nBachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related technical field, or equivalent practical experience.\r\n6+ years of relevant software engineering experience in technical or mission-driven environments.\r\nActive TS/SCI Security Clearance\r\nExperience in command-and-control (C2) software environments.\r\nExperience with C++ development.\r\nExperience with Python development or scripting.\r\nExperience supporting software development, integration, or sustainment in a structured engineering environment.\r\nExperience working in Agile software development environments.\r\nAbility to work independently within assigned scope and contribute to reliable delivery across software efforts.\r\nStrong written and verbal communication skills.\r\nPreferred Qualifications\r\nExperience with SNMP and networked systems environments.\r\nExperience working with Cisco switches or comparable network infrastructure.\r\nActive CI Polygraph.\r\nSecurity+ certification or comparable security certification.\r\nExperience with automated testing frameworks such as Robot Framework or Behave.\r\nExperience supporting GitLab CI/CD pipelines or similar continuous integration and deployment workflows.\r\nExperience with operational or mission management platforms such as XMS, MCS, ECS, COPS, or similar environments.\r\nExperience working across software integration, automated testing, and release workflows in classified environments.\r\nSalary\r\nThe 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.\r\nApplication Deadline\r\nThis 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.\r\nBenefits\r\nFSG 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.\r\nEEO Statement\r\nFour 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.\r\nJ-18808-Ljbffr","datePosted":"2026-07-04T02:16:29.679Z","dateModified":"2026-07-04T02:16:29.679Z","hiringOrganization":{"@type":"Organization","name":"Four Sea Group","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Aurora","addressRegion":"CO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"36d7ffde592ff530dc5591c1"},"url":"https://jobsearcher.com/jobs/36d7ffde592ff530dc5591c1"}}