Mechanical System Design Engineer

Date: May 15, 2024

Location: Lynchburg, VA, US

Company: BWX Technologies

At BWX Technologies, Inc. (NYSE: BWXT), we are People Strong, Innovation Driven. Headquartered in Lynchburg, Virginia, BWXT is a 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 7,000 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 LinkedIn, X, Facebook and Instagram.



BWXT is currently seeking a Mechanical System Design Engineer for its Advanced Technologies location in Lynchburg, VA!


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.


BWXT is seeking a Mechanical System Design Engineer for our Advanced Technology office in Lynchburg, VA. This position is focused on system design, not detailed component design, and will report administratively to the Manager of Systems Design Engineering. The Systems Design Engineering group supports programs for internal and external customers across Advanced Manufacturing, Medical Radioisotopes, and Nuclear Reactor Design.


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. The position will be located in Lynchburg, VA.


Job Description / Duties:

  • Identify relevant system requirements and interface requirements then prepare appropriate system design documentation such as system design descriptions and control narratives.
  • Select components (e.g., valves, heat exchangers), perform basic calculations, and prepare specifications for their detailed design.
  • Design piping systems including line sizing and pressure drop calculations.
  • Create appropriate output documentation such as process flow diagrams, P&IDs, component data sheets and system test request documentation.
  • Utilize appropriate regulations, design codes and standards (e.g., ASME) for fluid systems.
  • Coordinate with other interfacing disciplines such as electrical engineers, I&C engineers, mechanical equipment designers, and test engineers.
  • Prepare and present system design results to internal and external stakeholders.


Job Qualifications / Requirements:

  • A Bachelor’s degree in Engineering or Physics is required.
  • Must possess previous nuclear reactor experience. 
  • Must possess a technical background in mechanical engineering design, fluid systems, thermodynamics, and process instrumentation.
  • Proficiency with standard Microsoft Office applications is required.
  • Excellent written and verbal communication skills are required.
  • Must possess the ability to self-direct with minimal day-to-day supervision.
  • 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.


Additional Desired Skillsets:

  • Experience with MatLab, and/or MathCad.
  • Experience with 2D or 3D computer modeling.
  • Pipe Stress Analysis experience.
  • Experience with system analysis tools such as Simulink, Flownex, Relap, or Gothic.



Pay: $62,000 - $97,000

The base salary range for this position in Virginia (US-VA) at the start of employment is expected to be between $62,000 and $97,000 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.


BWXT supports diversity and 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, gender, national origin, citizenship, age, disability or veteran status.

Nearest Major Market: Lynchburg
Nearest Secondary Market: Virginia

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