The Junior Engineer will work on high-visibility, high-dollar national security programs focused on sensing and advanced systems. This role is built for engineers and scientists who are highly motivated, want to learn quickly, and are comfortable operating in a fast-paced, multidisciplinary environment.
You will not be confined to a single discipline—you will work across mechanical, aerospace, electrical/RF, physics, and materials domains to help design, evaluate, and field systems.
Key Responsibilities
Support design, analysis, and evaluation of sensor systems (RF, optical, mechanical, embedded, or multi-modal)
Work with signal, data, and hardware teams to ensure sensors produce usable outputs
Participate in field experiments and aerospace facility testing
Support test planning, setup, execution, and data collection
Work in dynamic environments (ranges, labs, flight lines, test facilities)
Analyze results and determine whether systems actually work—not just whether they were built
Operate within large, multidisciplinary teams across government and industry
Coordinate with engineers, scientists, and program leadership to move efforts forward
Track technical progress and identify risks early
Help translate technical work into clear updates for decision-makers
Required Qualifications
Bachelor’s and Master’s degree in: Mechanical Engineering, Aerospace Engineering, Electrical Engineering (including RF), Physics, Materials Science / Materials Physics
2–7 years of experience (graduate research counts)
Demonstrated interest in learning and working outside your primary discipline
Strong motivation and ability to operate in a fast-paced environment
Experience working on or with sensor systems (design, integration, or testing)
Ability to work effectively on large, multidisciplinary teams
Strong analytical and communication skills
Active Top Secret (SCI eligible)
Preferred Qualifications
Direct experience with sensor design (RF, optical, embedded, or multi-sensor systems)
Hands-on experience with testing, field work, or prototype development
Experience in production-level programs or R&D systems builds
Experience supporting demonstrations/tests
Familiarity with data analysis, signal processing, or modeling tools
Compensation Details:
$120K-$140K
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:
04/10/2026 - 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
- Bachelor's and Master's degree in Mechanical Engineering, Aerospace Engineering, Electrical Engineering, Physics, Materials Science
- 2-7 years of experience including graduate research
- Experience working on or with sensor systems
- Ability to work effectively on large, multidisciplinary teams
- Active Top Secret security clearance
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.









