Senior Mechanical Engineer, Nuclear Systems and Safety
X-Energy, LLC
X Energy, LLC is seeking a Mechanical/Systems Engineer to design, analyze, and verify SSCs for nuclear products. The role emphasizes conceptual development, CAD modeling, and integration across engineering teams to meet safety and technical requirements. Responsibilities include performing hand calculations, using CAD/PLM tools, and contributing to design documentation and verification plans while ensuring compliance with 10CFR and internal quality procedures. #J-18808-Ljbffr X-Energy, LLC
- Blue Energy seeks a Principal Mechanical Engineer to lead the design, integration, and delivery of the gas‑to‑nuclear bridge. You will drive technical decisions across process... ..., and construction disciplines, ensuring safety, reliability, and regulatory compliance. This...Senior
- X Energy, LLC is seeking a senior mechanical engineering leader to oversee a group of engineers across multiple projects focused on advanced reactor plant systems. You will direct design, analysis, and drafting activities, coordinate resources, and guide technical decisions...SeniorWork at office
$170.5k - $284.74k
...and our expertise in engineering, procurement, consulting... ...engaged with securing nuclear energy’s future... ...betterment projects. Safety, both industrial safety... ...& Veatch is seeking a Senior Instrumentation & Controls... ...balance of plant (BOP) systems for a new nuclear power...SeniorFull timePart timeWork experience placementWork at officeLocal areaRelocationVisa sponsorshipFlexible hours- The Nuclear Regulatory Commission seeks a qualified professional to review and evaluate highly complex instrumentation and control aspects... ...10 CFR Parts 50 and 52. Responsibilities include evaluating system designs for functional capability and reliability,...Senior
- X Energy, LLC in Gaithersburg, MD seeks an experienced Mechanical Engineering Manager to oversee a team responsible for subdiscipline work across... ...teams, and assist with design, analysis and drafting of systems for advanced reactor plants. The role requires leadership...Suggested
- Jacobs is seeking a Senior HVAC Engineer focused on our Data Center market. You will lead the Building Mechanical team on projects, perform field investigations, interface with clients... ...teams to deliver innovative, reliable systems for critical facilities. #J-18808-Ljbffr...Senior
- The US Nuclear Regulatory Commission in Rockville, MD, invites applications for a senior engineering position in the Office of Advanced Reactors,... ...focuses on reviewing reactor systems, core and fuel design, and... ...ensure public health and safety. Ideal candidates will...SeniorWork at office
- X-energy seeks a Mechanical Systems Design Engineer to design and develop mechanical systems, structures, and components for nuclear products, from concept through production and testing.... ...collaborate with stakeholders to ensure safety, quality, and performance of SSCs,...
- ...in Rockville, MD, seeks an experienced mechanical engineer to design and develop mechanical systems, structures, and components for nuclear products. You will evaluate, prototype,... ...and commission systems, with emphasis on safety and compliance with design criteria. The...
$107.9k - $195.05k
Senior Systems Engineer - Agile Team Systems EngineeringLeidos is seeking Senior Systems Engineers to join the Air Traffic Business Area within... ...with scalable, cloud-based platforms designed to improve safety and operational efficiency—particularly in remote and high-...SeniorFull timeRemote work$75 - $120 per hour
EXCEL Services Corporation is a global nuclear engineering consulting and services company that was founded in 1985. EXCEL provides consulting... ...tooperatingnuclear facilities worldwide that enhance safety and security, improve efficiency and performance, and reduce...SeniorHourly payRemote workWork from homeWorldwide- Northrop Grumman in McLean, VA is hiring a Structural Analysis Engineer to define the art of the possible for spacecraft systems. This 100% onsite role requires leading mechanical analysis work on structures and subsystems, with a focus on static/dynamic testing and design...SeniorRelocation package
- Nuclear Regulatory Commission seeks a Senior Nuclear Engineer in Rockville, MD to review reactor core and systems design for licensing safety evaluations. You will lead complex analyses and provide expert guidance on safety and environmental protections, supporting both...SeniorRemote job
$126.42k - $230.33k
...infrastructure and our expertise in engineering, procurement, consulting and... ...gets done as much as what we build. Safety is built into every decision, and... ...have the opportunity to: Design mechanical systems supporting new nuclear power plant designs or modifications...Full timePart timeWork experience placementWork at officeLocal areaRelocationVisa sponsorshipFlexible hours$75 - $120 per hour
...to email your resume: EXCEL Services Corporation is a global nuclear engineering consulting and services company that was founded in 1985.... ...nuclearbuildthat deliver strategic focus, reducecost, and ensure safety. These consulting services cover a wide variety of technical...SeniorHourly payRemote workWork from homeWorldwide$126.42k - $230.33k
...Mechanical Engineer - Nuclear Power Together, we own our company, our future, and our shared success. As an employee-owned company, our people... ...you will have the opportunity to: Design mechanical systems supporting new nuclear power plant designs or modifications...Work experience placementWork at officeLocal areaFlexible hours$107.9k - $195.05k
Leidos is seeking Senior Systems Engineers to join the Air Traffic Business Area within the Homeland Sector, supporting the development of next... ...infrastructure with scalable, cloud-based platforms designed to improve safety and operational efficiency—particularly in remote and high-...SeniorFull timeRemote work$107.9k - $195.05k
Leidos is seeking a Senior Systems Engineer — Product Owner to join the Air Traffic Business Area within the Homeland Sector, supporting the development... ...the team can deliver predictably in a highly regulated, safety-critical environment.This is a hybrid position requiring 3...SeniorFull timeRemote workWork from home- ...for a Sr. Deep Learning and Computer Vision Engineer to help shape the future of physical... ...in deploying cutting-edge object detection systems across a scalable platform, implementing critical technologies to ensure safety. The ideal candidate will have a strong background...Senior
- M.C. Dean, Inc. seeks a senior electrical engineer to conduct arc flash, short-circuit, and power quality... ...facilities and to develop electrical system models and one-line diagrams. You will... ...reports, advise clients on electrical safety and risk mitigation, and coordinate...Senior
- Salas O’Brien is seeking a Senior Mechanical Engineer to serve as the technical lead for Fed-Florida Business Unit projects. The role focuses on mechanical and plumbing design, energy efficiency analysis, and coordination across disciplines, with responsibilities including...Senior
- ...& Veatch is seeking a Senior Instrumentation & Controls... ...to lead major nuclear / power generation projects with teams of I&C engineers and assist in the technical... ...including the Balance of Plant systems required for support.... ...betterment projects. Safety, both industrial safety...SeniorWork experience placementWork at officeFlexible hours
- ...Title : Senior Icertis Engineer – Legal Systems Location : DC Metro Area Target Start Date : ASAP Type : contract Pay Rate : DOE Work Arrangement: Hybrid – 3 days onsite per week We are seeking an experienced...SeniorContract workImmediate start3 days per week
- ...Senior Mechanical Engineer Handles projects from start to finish with little to no oversight. Senior Engineers tackle our most complex projects... ...Prepare engineering studies and schematic design for new systems Analyze operation of existing systems Based on...SeniorFor contractors
- The US Nuclear Regulatory Commission in Rockville, MD, is seeking engineers with specialized experience in the design, construction, operation, inspection, and evaluation of nuclear plant components, structures, and facilities. The ideal candidate will understand NRC regulations...Senior
$102k - $189.5k
...domains in the interest of national security. Job Title: Senior Specialist, Mechanical Engineer (Mechanisms) Job Code: 45570 Job Location: Carlsbad... ...a proven leader in tactical communications, geospatial systems and services, air traffic management, environmental...SeniorWork at officeLocal areaFlexible hours- ...Job Title: Senior Mechanical Engineer Job Type(s): Full-Time | Direct Hire Job Location: Gaithersburg, Maryland Job Overview: Seeking... ...to design and support mission‑critical, secure electronic systems for defense, aerospace, and secure communications...SeniorFull time
$185k - $210k
...-energy LLC is hiring a Senior Pressure Vessels/Tanks Engineer to join its team. This role... ...information, to system owners and responsible engineers... ...and developing mechanical systems and components within... ...expertise:Understand how nuclear safety relates to system specific...SeniorFull timeContract workWork at office$116k - $175k
...PiperPosition Owner: Amanda WiseZachary Piper Solutions is seeking a Senior Mechanical Engineer (Biotech Instrumentation) to join a rapidly growing... ...focused on innovative product design, electromechanical systems integration, and technical leadership across...Senior$110k - $125k
...Seeking an experienced Senior Naval Architect to support The... ..., welding, fabrication, HM&E systems, and auxiliary systems development... ...efforts. Review engineering designs and shipbuilder deliverables... ...Engineering, Naval Architecture, Mechanical Engineering, or related...SeniorWork at officeRemote work
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