Radiation Effects Subject Matter Expert (SME)

Are you looking for an exciting, innovative company with over 100 years of excellence and commitment to ethical business?  Amentum is a trusted partner to United States government agencies, allied governments, and corporations worldwide supporting critical programs across a broad range of domains.  We are seeking a highly skilled and experienced Radiation Effects Subject Matter Expert to join our team at Amentum. As a Radiation Effects SME, you will be responsible for assessing and mitigating the impact of radiation on system performance. This will involve analyzing environments, transporting those environments through system enclosures, modeling the interaction of radiation with components and sensors, or testing of microelectronic components. Typical components include integrated circuits, transistors, capacitors, inductors, resistors, diodes, analog circuits, and other electronic components.

Job Duties and Responsibilities: 

• Support engineering decisions based on radiation effects on overall system performance.
• Design and harden systems across multiple radiation effects, including dose rate, total ionizing dose (TID), neutron displacement damage (NDD), and single event effects (SEE).
• Work with interdisciplinary teams to ensure radiation hardening is maintained across the product lifecycle.
• Assist in test plan development and review
• Review Reports
• Participate in Radiation Review Boards
• Help generate templates and guides
• Assist in developing training materials and tools for new hires 
• Assist with testing efforts, test station setup and validation and verification efforts
• Collaborate on program requirements and provide feedback on approach to meet requirements

Required Qualifications:

• Bachelor's degree in Physics, Electrical Engineering, Nuclear Engineering, or other relevant field. 
• 10+ years of Radiation Engineering or related experience.
• Must have or be able to obtain and maintain a US Government Secret Clearance. Please note US Citizenship is required to obtain a Secret Clearance.

Preferred Qualifications: 

• Master’s degree or PhD in Physics, Electrical Engineering, or Nuclear Engineering. 
• 10+ years of radiation engineering experience with the Department of War
• Has a current Secret or Top-Secret DoW security clearance. 
   

       

Compensation Details:

$150,000 - $200,000 annually

       

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.