Systems Engineer

Posted 2 Days Ago
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Arlington, VA, USA
In-Office
98K-140K Annually
Senior level
Security • Cybersecurity
The Role
Provides systems engineering support for U.S. Navy Terminal Defense weapon systems, including design, development, integration, testing, qualification, modeling, simulation, requirements, safety, and electromagnetic effects analysis. Supports engineering project management, technical reviews, agile software development, MBSE digital transformation, contractor coordination, schedules, funding, RFIs, briefings, and program milestones. Requires STEM education, DoD weapons-program experience, Secret clearance eligibility, and limited travel.
Summary Generated by Built In

This position is contingent upon the identification of a candidate whose expertise meets our strategic needs, at which point a dedicated, funded opening will be established. We are proactively seeking a standout professional for whom we will finalize a formal role.

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 a Secret clearance

  • Ability to travel <10%

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.)

       

Compensation Details:

$97,500 - $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:

08/25/2026 - 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 mathematics (STEM) discipline
  • 4-10 years of engineering experience with Department of Defense or Department of War weapons programs
  • Familiarity with and use of the latest Navy Technical Review Manual for U.S. Navy weapon programs
  • Proficiency in Microsoft Office Suite
  • Strong communication and organizational skills
  • Ability to perform detail-oriented work
  • Ability to obtain an active DoD Secret U.S. Government clearance
  • U.S. citizenship required to obtain a Secret clearance
  • Ability to travel less than 10%
  • 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
  • Active Secret U.S. Government clearance
  • Master's degree in a STEM discipline
  • Experience managing engineering projects using Earned Value Management 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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