Amentum is seeking a Software Engineer Senior to support the Space Force Range Contract (SFRC).

Essential Functions:

Participates in designing, developing, troubleshooting and analyzing software programs for new and existing systems

Develops/modifies documentation of new or existing program, as required

Conduct/support complex Level 1, 2, and 3 testing to qualify systems for Range operations

Provides feedback and reports to management on the status of each project supporting

Leads technical proposals as well as software maintenance release efforts including estimating, planning, and scheduling

Supports the efforts of all technical support personnel for assigned projects

Additional duties as assigned

Required Skills:

Effective communication skills with demonstrated capability to brief project information to management and customers

Strong analytical and problem-solving skills

Strong organizational and time management skills to balance, plan, prioritize and execute projects

Ability to work within a dynamic, fast paced environment with time constraints

Ability to work independently and as part of a team

Required Experience:

Bachelor’s of Science degree in Computer Science or related science, technology, engineering or math (STEM) field

Minimum of 8+ years of experience in software engineering

Experience working with Windows and Linux (RedHat and GNU) based computer systems and components

Experience working with scripting languages (Python, JavaScript)

Experience working with design and coding languages

Experience working with virtualized systems (VMware)

Current Security+ CE certification or ability to obtain certification within six (6) months of start date

The flexibility to work occasional non-duty hours or on weekends to support specific project or mission requirements

Must be able to obtain and maintain a DoD Secret Security Clearance, which includes U.S. citizenship

Valid U.S. Driver’s License required

Some travel may be required (less than 10%)

The ability to lift 30 lbs

Compensation Details: $135,000 to $150,000

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: 02/23/2026 - 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.