Systems Engineer

Posted Yesterday
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Arlington, VA, USA
In-Office
98K-155K Annually
Expert/Leader
Security • Cybersecurity
The Role
Provides systems engineering support for U.S. Navy terminal defense weapon systems, including design, development, integration, testing, qualification, requirements, safety and electromagnetic effects analysis, technical reviews, project planning, and MBSE implementation. The role supports RAM, CIWS, and related combat systems while coordinating engineering agents, field activities, program deliverables, briefings, and agile software development.
Summary Generated by Built In

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
  • Minimum 10 years engineering experience with DoD/DoW weapons programs
  • Experience with surface Navy combat systems
  • 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
  • An Active Secret U.S. Government Clearance

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
  • 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:

$98,000 - $155,000

       

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:

10/30/2026 - 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.

Skills Required

  • Bachelor's degree in a Science, Technology, Engineering, or Math (STEM) discipline
  • Minimum 10 years of engineering experience with DoD/DoW weapons programs
  • Experience with surface Navy combat systems
  • Familiarity with and utilization of the latest Navy Technical Review Manual (TRM) for U.S. Navy weapon programs
  • Proficiency in Microsoft Suite
  • Good communication and organizational skills
  • Ability to perform detail-oriented work
  • Active Secret U.S. Government clearance
  • Prior engineering and development experience on Navy missile or weapon system programs
  • Prior experience using SIPRNet
  • Prior experience using NEPS or a similar planning tool
  • Master's degree in a science, technology, engineering, or mathematics discipline
  • Experience managing engineering projects using EVM principles
  • Experience with MBSE tools and frameworks such as Cameo and DoDAF

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.

  • 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.
  • 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.
  • 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.

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The Company
HQ: Chantilly, VA
18,261 Employees

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.

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