> Markdown version of [/jobs/ext/3749784-systems-engineer](https://www.wearedevelopers.com/jobs/ext/3749784-systems-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer - **Company:** Amentum Services, Inc. - **Location:** Arlington, VA, United States - **Experience:** Experienced - **Salary:** $145,000.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Systems Engineering, Communications Protocols, Systems Analysis, Internet Protocol, Microsoft Office, System Software, Systems Integration, Modeling and Simulation, DODAF - **Published:** October 15, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9241794/systems-engineer ## About the Role * 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, * 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% ## Description 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., * 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