Entry Level Software Engineer

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We are looking for engineers to join our DOD R&D technology development team. We are in search of a computer science or computer engineering graduate with ability to code, optimize and build software speed and efficiency in an R&D setting in C++ or Java. We need you to join us on the ground floor of some of the latest programs.

• Develop graphical user interfaces for local tools with the team of users.
• Develop software updates using C++, Rational Team Concert, Git Lab and other Dev Ops tools.
• Support test events through travel opportunities which vary, depending on the role assigned at hire.

Primary work location will be in Fredericksburg, VA or Dahlgren, VA on site, with occasional telecommute or travel opportunities. We are fun, collaborative, supportive and our goal is to find great people who want to stay hands on in development yet have input in process improvements. We work hand in hand with the government customers on integrated teams. We take care of our people and joining Amentum means you are not joining one contract but a team of many contracts, providing job security.

No clearance required to apply, but requires a SECRET clearance to start. US Citizenship is required. Must have an active Secret US Government Clearance.

Note:

US Citizenship is required to maintain a Secret.

Amentum is a leading global provider of technical and engineering services to government and commercial customers. We are dedicated to delivering innovative solutions to complex challenges in the defense, intelligence, and civilian markets.

With 50,000 employees worldwide, we leverage our extensive experience, cutting‑edge technology, and proven processes to provide exceptional value to our customers.

• US Citizen and Bachelor’s Degree (in Computer Science, Computer Engineering, Math, Electrical Engineering, or Physics) from an accredited university.
• Knowledge in definition and management of software requirements, design, code, benchmark testing, debugging, software development life‑cycle, architecture, and documentation.
• Plans, performs, and leads software design, coding, and testing.
• Experience in an Agile software development environment and familiarity with Agile methodologies.

• C++ or C# (Preferred)

Salary

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.

• 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.

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, 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.

Original Posting: 01/06/2026 - 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.

Entry level

Full‑time

Engineering and Information Technology

Defense and Space Manufacturing