Software Engineer (Senior) – SOA C3

Software Engineer (Senior) – SOA C3 Location: Norfolk/Portsmouth, VA (Onsite) Employment Type: Full-time Security Clearance: U.S. Secret Job Summary: Amentum is seeking a detail-oriented and motivated Senior-Level Software Engineer to support the SOA C3 application development mission. In this role, you will design, develop, modify, debug and evaluate programs across complex software modules that directly support warfighter readiness. You will collaborate closely with developers, analysts, and Agile team members to analyze existing programs or formulates logic for new systems, devise logic procedures, prepare flowcharting, perform coding and test/debug programs and ensure high-quality software delivery. Leveraging your experience with C#, ASP.NET, Blazor, Kubernetes, and containerized environments, you will help evaluate system behavior and maintain traceability throughout the development lifecycle. Amentum is seeking a software engineer who brings strong analytical skills, solid development fundamentals, and the ability to thrive in a dynamic Agile environment. Prior familiarity with ISDS applications is highly valued, as is a commitment to continuously improving development processes and outcomes. Essential Responsibilities: Design, develop, and maintain software applications. Debug, optimize, and integrate components. Develop database structures and web interfaces. Collaborate with Agile teams. Document software solutions. Execute tests and apply containerization technologies. Excellent communicator able to work with cross-functional technical teams. Strong problem-solving and debugging skills. Ability to lead technical decision-making. Proven ability to deliver solutions in Agile sprint cycles. Self-directed and comfortable managing complex development tasks. Minimum Requirements: Bachelor’s degree. Active Secret US Government security clearance. Note: US citizenship is required to maintain a secret clearance. Bachelors degree. 6+ years software development. Preferred Qualifications: ISDS experience. CI/CD, Git, DevSecOps. Ability to mentor developers. Strong architectural thinking. Experience writing unit/integration tests. Compensation Details: $100,000 - $140,000 The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws. Benefits Overview: Our health and welfare benefits are designed to support you and your priorities. Offerings include: Health, dental, and vision insurance Paid time off and holidays Retirement benefits (including 401(k) matching) Educational reimbursement Parental leave Employee stock purchase plan Tax-saving options Disability and life insurance Pet insurance Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits. Original Posting: 10/30/2026 - Until Filled Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs. Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters .