Systems Engineer

Amentum is seeking a mid-level systems engineer to provide dedicated engineering support to the Portfolio Acquisition Executive (PAE) for Munitions PMX-311 Terminal Defense systems (TDS), previously Program Executive Office (PEO) Integrated Warfare Systems (IWS) 11, development and engineering group in Arlington, Virginia. The PMX-311 Program Office is comprised of the US Navy Close-In Weapon System (CIWS), Directed Energy, Counter-Unmanned Aircraft Systems (C-UAS), Gun Weapon Systems (GWS), and the international cooperative Rolling Airframe Missile (RAM) program with Germany. We are looking for a qualified individual to provide day-to-day support to the PMX-311 engineering team in the planning, execution and management of development, integration, test, and qualification of the RAM and CIWS weapon systems. Essential Responsibilities Provide systems engineering support for design, development, production, and in-service activities including system analysis, combat system integration, modeling and simulation, and participation in requirements development and maintenance Provide technical inputs in Safety and Electromagnetic Environment Effects (E3) areas including reviewing and analyzing plans, schedules, tests, test results, and data packages Provide Cross-Functional Support to PMX-311 Production, In-service Contracting and Financial groups with engineering inputs for cross-functional planning, execution and product deliveries to meet program objectives Provide project management support producing schedules, tracking critical metrics and milestones and verifying requirements Support management of PMX-311 engineering tasks with the engineering design agents and field activities through the development of statements of work, deliverables and funding requirements Draft responses to PMX-311 internal and external Requests for Information (RFIs) coordinating inputs from the programs technical community as required Prepare briefing materials and participate in working groups, Technical Interchange Meetings (TIMs) and program reviews Management, tailoring and support of Systems Engineering Technical Reviews (SETRs) through implementation of the processes defined in the Navy Technical Review Manual (TRM) Assist in digital transformation efforts by defining development requirements that implement Model-Based Systems Engineering (MBSE) into engineering development efforts Support management of agile development of system software Minimum Requirements Bachelor’s Degree in a Science, Technology, Engineering, or Math (STEM) discipline 4-10 years engineering experience with DoD/DoW weapons programs Familiarity and utilization of the latest Navy Technical Review Manual (TRM) for US Navy weapon programs Proficient in MS Suite and good communication, organizational skills and the ability to perform detail-oriented work The ability to obtain an active DoD Secret U.S. Government Clearance. Note: U.S. Citizenship is required to obtain Preferred Qualifications Prior experience with engineering and development on Navy Missile or Weapon System program(s) Prior experience utilizing Secure Internet Protocol Network Protocol Network (SIPRNet) Prior experience utilizing the Navy Enterprise Planning System (NEPS) or similar tool for planning of scope, milestones, deliverables and financial requirements An Active Secret U.S. Government Clearance Master’s degree in science, technology, engineering, or math discipline Management of engineering projects implementing Earned Value Management (EVM) Principles Experience with MBSE Tools and Frameworks (e.g. Cameo, DoDAF, etc.) Travel < 10% Compensation Details: $97,00 - $145,000 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: 10/14/2026 - 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. Welcome back! We encourage you to check on the status of your current job applications with us. You can also search for a list of our current job openings and see if there are any new positions that might be a good fit for you. Thank you for continued interest in employment with Amentum. For more than 100 years, Amentum has tackled the world’s toughest challenges to deliver agile and steadfast solutions to the U.S. government and its allies. With more than 50,000 employees on all seven continents and in more than 60 countries, Amentum delivers a broad range of operational support services to meet the critical needs of our clients. Our headquarters are in Chantilly, VA. Find us online at https://www.amentum.com/ If you need a reasonable accommodation for any part of the employment process, please complete our Accommodation Request. Requests for accommodation will be considered on a case-by-case basis. If you need assistance, please reach out to workdaycandidateaccounts@amentum.com EEO including Disability/Protected Veterans Labor Laws Posters Amentum has become aware of unauthorized individuals who are falsely using the Amentum name and /or logo in an attempt to solicit fees from potential job seekers. These deceptive and unauthorized individuals are soliciting money, promising placement in a position with Amentum. Please note any communication requesting any amount of money in exchange for employment with Amentum is fraudulent. These communications do not originate from Amentum and are not associated with the recruitment process. Amentum and its affiliates never charge candidates fees or payments of any kind in order to secure employment. As a precaution, we recommend you do not disclose personal or financial details to anyone as a response to an unsolicited email, social media, or dating website request. Amentum will never as ask for a placement fee or any other fee to expedite the hiring process. If you are contacted by anyone offering employment with Amentum, you should never be asked to pay a fee for recruiting. Amentum personnel will always send email from an identifiable corporate account (ending in @amentum.com) and never from a public email account like Yahoo!, Google, Gmail, or Hotmail. If you are contacted regarding a fraudulent employment proposal, we encourage you to alert your local law enforcement agency/police authority. To read more about Amentum’s commitment to ethics, please click here.