Software Test Engineer - SOA C3

Software Test Engineer - SOA C3

Location: Portsmouth, VA (Onsite)

Employment Type: Full-time

Security Clearance: U.S. Secret

Job Summary:

Amentum is seeking a detail-oriented and motivated Mid-Level Software Test Engineer to support the SOA C3 application testing mission. In this role, you will perform functional, integration, regression, and performance testing across complex software modules that directly support warfighter readiness. You will collaborate closely with developers, analysts, and Agile team members to identify defects, validate software fixes, refine requirements, 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 test engineer who brings strong analytical skills, solid testing 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 testing processes and outcomes.

Essential Responsibilities:

• Perform functional and regression testing.
• Develop test cases and scripts.
• Log defects and collaborate with developers.
• Highly detail-oriented with strong documentation habits.
• Strong analytical ability to troubleshoot complex defects.
• Effective communicator able to collaborate with developers and analysts.
• Comfortable interpreting and validating requirements/user stories.
• Ability to contribute to test automation.

Minimum Requirements:

• Active Secret US government security clearance. Note: US citizenship is required to maintain a Secret clearance.
• 3+ years software testing.
• Bachelor’s degree or equivalent.

Preferred Qualifications:

• ISDS testing experience.
• ISTQB certification.
• Experience creating test plans and traceability matrices.
• Strong understanding of Agile testing processes.

#TAMOD #FleetSupport

Compensation Details:

$85,000 - $110,000

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:

11/13/2026 - 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.