Software Engineer (Senior) – SOA C3

Amentum
Norfolk, VA · Portsmouth, VAFull-time$100,000–$140,000Posted Sep 1, 2026

About the role

This position is contingent upon the identification of a candidate whose expertise meets our strategic needs, at which point a dedicated, funded opening will be established. We are proactively seeking a standout professional for whom we will finalize a formal role.

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:

09/01/2026 - 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.

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.
  • Lead technical decision-making.

Qualifications

  • Bachelor’s degree.
  • Active Secret US Government security clearance.
  • 6+ years software development.

Benefits

  • 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

Skills mentioned

C#ASP.NETKubernetesContainerizationCI/CDGitDebuggingPerformance OptimizationUnit TestingIntegration Testing

About Amentum

Amentum is a global leader in advanced engineering and innovative technology solutions, trusted by the United States and its allies to address their most significant and complex challenges in science, security and sustainability. Our people apply undaunted curiosity, relentless ambition and boundless imagination to challenge convention and drive progress. Our commitments are underpinned by the belief that safety, collaboration and well-being are integral to success. Headquartered in Chantilly, Virginia, we have approximately 50,000 employees in more than 70 countries across all 7 continents.

Defense and Space Manufacturing10,001+ employeesChantilly, Virginia