Amentum is seeking software engineering professionals with software development-related education and/or experience to support Real-Time Operating System (RTOS) development in support of Naval projects in Dahlgren, Virginia. This position is on-site in Dahlgren, VA, where Amentum has provided support to the customer for over 60 years.
You will be part of our growing systems and software engineering team and contribute your diverse skills across multiple software contracts in support of our Software Center of Excellence. We are looking for individuals to join our team atmosphere who are eager to make a difference by solving complex Digital Engineering challenges. Apply your skills to the latest DoW weapons and sensor systems, modernizing the Navy and contributing to mission success.
RTOS Software Developer Responsibilities Include:
Perform Real-Time Operating System (RTOS) development in support of Naval projects and programs.
Conduct software development within the Submarine Launched Ballistic Missile (SLBM) weapon system.
Primarily support a Senior Amentum developer in development using Agile development principles.
Apply experience with RTOS, VxWorks, C, and C++ in support of software development activities.
Perform analysis and problem-solving techniques in support of professional scientific and engineering work.
Work independently and with others within established teams and across organizations to meet established goals within schedule-driven timelines.
Minimum Requirements:
0–10 years of experience across RTOS, VxWorks, C, and C++.
Bachelor’s degree in computer science, physics, mathematics, engineering, or another applicable technical field, or equivalent experience in lieu of the education requirement.
Familiarity with Agile Development.
Successful candidates must possess excellent communication skills and be able to interact directly with customers and engineering personnel.
Must have an active Secret U.S. Government clearance. U.S. citizenship is required to maintain a Secret clearance.
Candidate must maintain a valid REAL ID driver’s license, required for access to the customer site, and have access to reliable transportation, as this position requires occasional travel between local work sites during the week.
Preferred Qualifications:
- Knowledge of VxWorks.
Compensation Details:
US: $80,000-$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:
08/12/2026 - Until FilledAmentum 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.
Skills Required
- Experience with RTOS, VxWorks, C, and C++
- 0-10 years of relevant software development experience
- Bachelor's degree in computer science, physics, mathematics, engineering, or equivalent experience
- Familiarity with Agile development principles
- Excellent communication skills and ability to interact with customers and engineering personnel
- Active Secret U.S. Government security clearance
- U.S. citizenship (required to maintain Secret clearance)
- Valid REAL ID driver's license and reliable transportation; occasional local travel between sites
- Ability to perform software development in support of Submarine Launched Ballistic Missile (SLBM) weapon system
- Knowledge of VxWorks
Amentum Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Amentum and has not been reviewed or approved by Amentum.
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Healthcare Strength — Healthcare offerings are described as comprehensive, with medical, dental, and vision plans and multiple PPO/HSA options. Mental health support via an employee assistance program and other wellness resources is also included in the benefits mix.
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Retirement Support — Retirement support is positioned as a meaningful part of total rewards through a 401(k) plan with employer matching. Profit-sharing contributions and immediate or near-term vesting in some cases further strengthen the retirement value proposition.
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Leave & Time Off Breadth — Time-off benefits are presented as solid for the sector, including tiered PTO accrual by tenure and a set of paid holidays. Role-dependent flexible or remote work options and leave programs add to perceived work-life support.
Amentum Insights
What We Do
Amentum is a premier global technical and engineering services partner supporting critical programs of national significance across defense, security, intelligence, energy, and environment. We draw from a century-old heritage of operational excellence, mission focus, and successful execution underpinned by a strong culture of safety and ethics. Headquartered in Germantown, Md., we employ more than 20,000 people in 48 states and 28 foreign countries and territories. Visit us at amentum.com to explore how we deliver excellence for our customers’ most vital missions.
