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R&D Engineer 1/2
Los Alamos National Laboratory
Los Alamos, NM
This position will be filled at either the R&D Engineer 1 or 2 level, depending on the skills of the selected candidate. Additional job responsibilities (outlined below) will be assigned if…
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Test Engineer (R&D Engineer 3)
Los Alamos National Laboratory
Los Alamos, NM
This position will be filled at the R&D Engineer 3 level.
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GCP data Engineer
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Chief Engineer
Peraton
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Manufacturing Engineer
Actalent
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Hardware Design Engineer
Actalent
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Pipe Stress Engineer
Actalent
LAKE MARY, FL
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Systems Engineer
Actalent
Chantilly, VA
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Quality Engineer
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BWXT

Radiation Shielding Engineer

Lynchburg, VA, United States

$70,000 to $103,000 USD / year

Apply on careers.bwxt.com About employer

Applications open in a new tab.

Job details

Pay: $70,000 to $103,000 USD / year
Apply by: Nov 26, 2026
Education: Bachelor’s degree
Posting language: English
Posted: Nov 11, 2026

Original job description

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. A U.S.-based company, BWXT is a Fortune 1000 and Defense News Top 100 manufacturing and engineering innovator that provides safe and effective nuclear solutions for global security, clean energy, environmental restoration, nuclear medicine and space exploration. With more than 7,800 employees, BWXT has 14 major operating sites in the U.S., Canada and the U.K. We are the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers. Our company supplies precision manufactured components, services and fuel for the commercial nuclear power industry across four continents. Our joint ventures provide environmental restoration and operations management at a dozen U.S. Department of Energy and NASA facilities. BWXT’s technology is driving advances in medical radioisotope production in North America and microreactors for various defense and space applications. For more information, visit www.bwxt.com. Follow us on LinkedIn, X, Facebook and Instagram.

Welcome to BWXT We believe in empowering our employees and cultivating a dynamic workplace that fosters growth and collaboration. Whether you’re an experienced professional or just starting your career, you'll find opportunities to challenge yourself, learn from seasoned experts, and contribute to nuclear innovation. We required a diverse range of skills to support our work in the markets that drive our business and welcome candidates from all backgrounds and life stages who are passionate about making a difference.

BWXT is People Strong, Innovation Driven - be part of BWXT’s innovation hub. BWXT’s Advanced Technologies (AT) group researches, designs, and develops innovative new nuclear reactors, nuclear rocket propulsion systems, and radioisotope production systems for both internal and external customers.

If you are looking for a career where your experience is valued, innovative thinking is fostered, and barrier-free teamwork is embraced every day, then this opportunity is for you.

Position Overview:

As our Radiation Shielding Engineer you will work as part of a high-performing, innovative, and multi-disciplinary team employing an integrated approach for source term estimation, activation analysis, shielding, and radiation analysis.

Location:

On-site in Lynchburg, VA at the Advanced Technologies Office

Your Day to Day as a Radiation Shielding Engineer:

Participate in the development of novel advanced reactor designs, primarily focusing on radiation transport and shield design.
Perform radiation transport simulations for gamma and neutron dose rates, neutron activation, and radiation-induced material impact assessments.
Develop radiation source terms for use in shielding and dose rate calculations.
Coordinate with interdisciplinary teams, providing data/requirements to other disciplines and receiving data/requirements from them.

Required Qualifications:

A minimum of a bachelor’s degree in nuclear engineering or radiation health physics is required.
Must be familiar with radiation analysis using industry standard analysis codes and tools (e.g., Atilla, MCNP, SCALE).
Must possess excellent verbal and written communication skills to write and deliver high quality technical reports and documentation, including presentations to customers, regulators, and other organizations.
Must be proficient with MS Office Suite.
Must have programming skills (bash, Python, C++, etc.) and experience with Linux on high performance computing cluster.
Must be a U.S. Citizen.
Must be able to obtain and maintain a U.S. Department of Energy (DOE) or Department of Defense (DOD) security clearance, whichever is required.

Preferred Qualifications:

Experience developing radiological source terms for contamination modeling is a plus.

What We Offer:

Competitive salary and benefits package, including health, dental, and retirement plans.
Flexible work schedules and paid time off to promote a healthy work-life balance.
Professional development opportunities, including mentorship programs and sponsorship for continuing education.
An inclusive atmosphere that celebrates new perspectives and supports collaboration between different generations.
The chance to be part of a mission-driven organization making a positive impact on the future of energy.
Opportunities for continuous learning and training to grow throughout your career!

Pay: $70,000.00 - $103,000.00

The base salary range for this position in Virginia (US-VA) at the start of employment is expected to be between $70,000.00 and $103,000.00 per year. However, the base salary offered is based on local job market factors, and may vary further depending on factors specific to the selected job candidate, such as job-related knowledge, skills, experience, and other objective business considerations. Subject to these considerations, the total compensation package for this position may also include other elements, such as an annual cash incentive in addition to a full range of medical, retirement, and/or other benefits. Details of participation in these benefit plans will be provided at such time the selected job candidate receives an offer of employment. If hired, the selected job candidate will be employed 'at-will,’ unless employed at a location and in a position subject to a collective bargaining agreement. The company further reserves the right to modify base salary (as well as any other discretionary payment, compensation or benefit program) at any time, including for reasons related to individual performance, company or individual department/team performance, and other market factors.

As a federal government contractor, BWX Technologies, Inc. and any subsidiaries, affiliates and related entities (“BWXT” or the “Company”) complies with all federal, state, and local laws and customer requirements regarding health and safety protocols. As such, all BWXT new hires will be required to adhere to applicable Company health and safety requirements within the workplace as a condition of employment.

Applicants selected will be subject to a Federal background investigation and must meet eligibility requirements for access to classified information or matter. Position requires U.S. citizenship with (no dual citizenship) ability to obtain and maintain a Department of Energy (DOE) security clearance which involves an extensive criminal and financial background investigation, drug test and previous employment reference verifications.

BWXT is committed to the concept of Equal Employment Opportunity. We have established procedures to ensure that all personnel actions such as recruitment, compensation, career development, benefits, company-sponsored training and social recreational programs are administered without regard to race, color, religion, sex, national origin, citizenship, age, disability, protected veteran or other protected status.

BWX Technologies, Inc. and its affiliates and subsidiaries (BWXT) is not responsible for and does not accept any liability for fees or other costs associated with resumes or candidates presented by recruiters or employment agencies, unless a binding, written recruitment agreement between BWXT and the recruiter or agency exists prior to the presentation of candidates or resumes to BWXT and includes the specific services, job openings, and fees to be paid (“Agreement”). BWXT may consider any candidate for whom a recruiter or agency has submitted an unsolicited resume and explicitly reserves the right to hire such candidate(s) without any financial obligation to the recruiter or agency unless an Agreement is in place prior to presentation and such Agreement explicitly encompasses the job opening for which such fees or costs are sought. An email, verbal or other informal contact with any person within BWXT will not create a binding agreement. Agencies or recruiters without an Agreement are directed not to contact any hiring managers of BWXT with recruiting inquiries or resumes. Recruiters and agencies interested in partnering with BWXT may contact BWXT’s Talent Acquisition team at talent_acquisition@bwxt.com.

Apply on careers.bwxt.com About employer

More about this job

Skills

Think creatively
Teamwork
Estimating
Communication skills
Documentation
Presentation skills
Microsoft Office
Python
C++
Linux
Health and safety

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Work requirements

Jobs in the United States