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BWXT Tech Stack

Nuclear reactor manufacturer for defense, energy, and space applications

Defense and Space Manufacturing Lynchburg, Virginia 5,001–10,000 employees Public Company

BWXT manufactures naval nuclear reactors for U.S. submarines and carriers, plus commercial nuclear fuel and components across defense and clean-energy sectors. The company is migrating from SAP ECC to S/4HANA while maintaining a CAD/CAM-heavy engineering stack (Siemens NX, SolidWorks, ANSYS, Mastercam). Hiring is concentrated in engineering (143 roles) and manufacturing (61 roles) at mid-level and senior bands — a profile consistent with scaling production, pre-production qualification, and multi-site operations across 14 U.S., Canadian, and U.K. facilities.

Tech Stack 68 technologies

Core StackSAP SolidWorks MATLAB SAP SuccessFactors Siemens C++ n8n Ollama LangChain Hugging Face Microsoft Office Siemens NX PolyWorks Leica Mastercam ANSYS ABAQUS Mathcad CNC SAP SuccessFactors Payroll Fanuc Excel Micrometer CAD/CAM Abaqus Ansys Word PowerPoint Fortran LlamaIndex+36 more

AdoptingSAP S/4HANA

ReplacingSAP ECC

What BWXT Is Building

◆Challenges

Ensuring compliance with regulatory requirements
Ensuring compliance with safety regulations
Increasing business process efficiency
Streamlining manufacturing processes
Reducing waste
Cost control
Identifying process weaknesses
Ensuring on-time delivery
Real time fabrication issues
Shop operating procedures

▲Active Projects

Fuel system development
Streamlining manufacturing for welding related applications
Decommissioning of facilities
Nuclear services site projects
Nuclear station projects
Nuclear development projects
Licensing plans for bwxt at commercial reactors
Pre-production part qualification
Bruce reactor inspection and maintenance system channel access device
Capital projects

Hiring Activity

Steady310 roles · 110 in 30d

Department

Engineering

143

Manufacturing

61

Ops

36

Finance

13

HR

8

Construction

6

Quality

6

Security

6

Seniority

Mid

145

Senior

61

Junior

39

Manager

37

Lead

12

Intern

8

Director

7

Principal

1

Notable leadership hires: Mission Assurance Director, Proposal Content Lead, Shift Lead, Chief Engineer

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About BWXT

BWX Technologies (NYSE: BWXT) is a 7,000-person defense and manufacturing company headquartered in Lynchburg, Virginia. The core business is designing and manufacturing nuclear reactors for U.S. Navy submarines and aircraft carriers, alongside commercial nuclear fuel supply, precision components, and services across four continents. The company also operates joint ventures managing environmental restoration at Department of Energy and NASA sites, produces medical radioisotopes in North America, and develops microreactors for defense and space. With 14 major operating sites and active projects spanning fuel development, facility decommissioning, reactor inspection, and capital projects, BWXT operates at the intersection of heavy manufacturing, regulatory compliance, and advanced nuclear technology.

HeadquartersLynchburg, Virginia

Company Size5,001–10,000 employees

Hiring MarketsUnited States, Canada

Frequently Asked Questions

What is BWXT's main business?

BWXT is the sole manufacturer of naval nuclear reactors for U.S. submarines and aircraft carriers. It also supplies nuclear fuel, precision components, and services to the commercial nuclear industry; operates environmental restoration sites; and develops medical radioisotopes and microreactors.

What software does BWXT use?

BWXT's stack includes SAP (migrating to S/4HANA from ECC), Siemens NX, SolidWorks, ANSYS, Mastercam, MATLAB, and Fortran. CAD, CAM, and finite-element analysis tools dominate engineering workflows.