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Core Neutronics Design Engineer; Lynchburg, VA,

Job in Lynchburg, Campbell County, Virginia, 24501, USA
Listing for: BWX Technologies Inc.
Full Time position
Listed on 2026-06-01
Job specializations:
  • Engineering
    Mechanical Engineer, Systems Engineer
Job Description & How to Apply Below
Position: Core Neutronics Design Engineer (Lynchburg, VA, US)
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  Follow us on Linked In, 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 (Use the "Apply for this Job" box below). 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 Core Neutronics Design Engineer, you will provide support to the core design team by engaging in a variety of projects. This role will perform analysis of core designs while collaborating across multiple engineering disciplines.

Location:

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

Your Day to Day as a Core Neutronics Design Engineer:

* Perform analysis of advanced core designs which includes a variety of fuel systems, life cycle, and coolant types.

* Coordinate with multiple engineering disciplines across joint organizational teams.

* Perform work on a broad scope of studies, from preconceptual through final design and operation.

* Perform work using an integrated approach for neutronics, thermal hydraulics, mechanical/stress, and safety analysis, to achieve accelerated reactor design development.

* Contribute to a variety of projects supporting the core design team.

Required Qualifications:

* A bachelor's degree in engineering or physics is required.

* A minimum of two (2) years of experience in neutronics analysis and design.

* 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 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:

* MS in Nuclear Engineering is preferred.

* Familiarity with Monte Carlo tools such as MCNP, OpenMC or Serpent and/or experience with deterministic nodal methods such as SIMULATE/CASMO or PARCS.

* Knowledge of programming languages such as FORTRAN, Python, C, C++ in a Linux environment.

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…
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