Engineering Discipline

Nuclear Mechanical Engineer jobs

87 open positions//Page 2 of 5

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Mechanical engineering roles — rotating equipment, piping, and component design at US nuclear facilities.

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Showing 40 of 87 jobs

Mechanical Design Engr III/SR-Nuclear Fleet Corporate Design Engineering (CDE)

Duke Energy Hartsville, SC

Jul 2026

ASME B31.1ASME Section IIIHVAC Design

Mechanical Engineer

Ameren Missouri Steedman, MO

Jul 2026

EITPERADIATION AREAS

Mechanical Engineer - Systems

Talen Energy Berwick, PA

Jul 2026

BWRMECHANICAL SYSTEMS ENGINEERINGNUCLEAR PLANT DESIGN

Diesel Generator Engineer (Marine Engineer or Mechanical Engineer Encouraged to Apply)

Talen Energy Berwick, PA

Jul 2026

EMERGENCY DIESEL GENERATORSELECTRICAL DISTRIBUTION SYSTEMSNUCLEAR ELECTRICAL DESIGN

Core Mechanical Design - Senior Mechanical Design Engineer

Oklo Santa Clara, CA or Remote

Jul 2026

GD&TASME Y14.5CAD

Mechanical Design Engineer - Fuel Recycling

Oklo Santa Clara, CA

Jul 2026

CAD SOFTWAREFEA/CFD SIMULATIONHIGH-TEMPERATURE MATERIALS

Senior Mechanical Design Engineer - Reactor Module

Oklo Santa Clara, CA or Remote

Jul 2026

ASME BPVC SECTION IIIGD&T3D CAD MODELING

Senior Engineer, Mechanical & Fuel Handling ASME Lead

TerraPower Bellevue, WA, USA

Jul 2026

ASME Section IIIANSYSNQA-1

Senior Mechanical Design Engineer, Core Component Design

TerraPower Bellevue, Washington, United States

Jul 2026

SOLIDWORKSFEA/ANSYSASME CODE SECTION III DIVISION 5

Senior Mechanical Engineer - Supports

TerraPower Bellevue, Washington, United States

Jul 2026

ASME SECTION IIIANSYSSolidWorks

Senior Mechanical Engineer, Remote Handling and Full Scale Integration

Kairos Power Oak Ridge, TN

Jul 2026

ASME CODESMOLTEN SALT REACTORRADIATION EFFECTS

Mechanical Engineer

Westinghouse Electric Rock Hill, SC

Jul 2026

ASME Section IIIANSIAP1000

Principal Mechanical Engineer

Westinghouse Electric New Stanton

Jul 2026

ASME Section IIIASME Section VIIISAP

Mechanical Engineer II

Westinghouse Electric Rock Hill, SC, 29730 +1 more…

Jul 2026

ASMEASTMANSI

Senior Mechanical Engineer

Westinghouse Electric Madison, PA

Jul 2026

ANSYSASME CodesFEA

Senior Mechanical Engineer - Remote

Westinghouse Electric Rock Hill, SC, 29730 +1 more…

Jul 2026

ASME Section IIIAP1000eVinci

Principal Mechanical Engineer

Westinghouse Electric Cranberry Township

Jul 2026

NUCLEAR SYSTEMS DESIGNMECHANICAL ENGINEERINGPRIMARY/SECONDARY SYSTEMS

Mechanical Engineer

Westinghouse Electric Cranberry Township

Jul 2026

THERMAL-HYDRAULIC ANALYSISNSSS DESIGNBALANCE OF PLANT

Mechanical Engineer

Westinghouse Electric Cranberry Township

Jul 2026

FEAASME CodeSTRESS ANALYSIS

Senior Quality Engineer - Mechanical Components

Westinghouse Electric Västerås, SE

Jul 2026

ASME IIIISO 9001NDT Certification

Quality Engineer - Mechanical Components

Westinghouse Electric Västerås, SE

Jul 2026

ISO 9001ISO 3834-2ASME III

Senior Mechanical Engineer

Westinghouse Electric Cranberry Township

Jul 2026

THERMAL-HYDRAULIC ANALYSISPIPING DESIGNMATLAB

Mechanical Engineer

Westinghouse Electric Warrendale

Jul 2026

ASME Y14.5AUTODESK INVENTORAWS WELDING

Engineer II - Mechanical

Westinghouse Electric Cranberry Township

Jul 2026

ANSYSSTRUCTURAL ANALYSISASME CODES

Mechanical Design Engineer

Westinghouse Electric Marseille, FR

Jul 2026

CADINVENTORAUTOCAD

Mechanical Engineer 1

Westinghouse Electric Cranberry Township

Jul 2026

REACTOR VESSEL INTERNALSSTRUCTURAL ANALYSISTHERMAL HYDRAULICS

Senior Mechanical Engineer

Westinghouse Electric Ogden, UT

Jul 2026

ANSYSASME CodesNRC Compliance

Mechanical Design Engineer

Westinghouse Electric SAN SEBASTIAN DE LOS REYES, M, ES

Jul 2026

CADCREORADIOACTIVE MATERIALS HANDLING

Principal Mechanical Engineer

Westinghouse Electric Cranberry Township +1 more…

Jul 2026

PWRAP1000IAEA SAFEGUARDS

Engineer, Mechanical

Constellation Energy Pottstown, Pennsylvania

Jul 2026

MECHANICAL ENGINEERINGNUCLEAR OPERATIONS SUPPORTENGINEERING ANALYSIS

Engineer / Mechanical or Electrical

Constellation Energy Pottstown, Pennsylvania; Middletown, Pennsylvania; Kennett Square, Pennsylvania; Oswego, New York; Oswego, New York

Jul 2026

MECHANICAL ENGINEERINGELECTRICAL ENGINEERINGNUCLEAR ENGINEERING

Mechanical Systems Engineer

Constellation Energy Byron, Illinois

Jul 2026

NRC COMPLIANCEANSI/ANS-3.1ASME CODES

Engineer, Mechanical or Civil / Structural

Constellation Energy Kennett Square, Pennsylvania

Jul 2026

EIT CERTIFICATIONPE LICENSEMECHANICAL SYSTEMS

Electrical / Mechanical Engineer

Constellation Energy Marseilles, Illinois

Jul 2026

BWR10 CFR 50ASME

Engineer, Mechanical or Electrical

Constellation Energy Morris, Illinois

Jul 2026

EITPE License

Engineer, Sr. Mechanical

Constellation Energy Morris, Illinois

Jul 2026

ANSI/ANS-3.1-2014Nuclear EngineeringSecurity Clearance

Engineer, Mechanical

Constellation Energy Braceville, Illinois

Jul 2026

NUCLEAR ENGINEERINGMECHANICAL SYSTEMSCONFIGURATION MANAGEMENT

Mechanical Valve Engineer

Constellation Energy Byron, Illinois

Jul 2026

ANSI/ANS-3.1-2014AOVMOV

Engineer, Mechanical Sr

Constellation Energy Braceville, Illinois

Jul 2026

ANSI/ANS-3.1-2014PE RegistrationNuclear Engineering

Engineer, Design Mechanical

Constellation Energy Morris, Illinois

Jul 2026

ANSI/ANS-3.1-2014PE LicenseNuclear Engineering

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