Engineer III, Nuclear Packaging
$122.5k - $138.75kX-Energy
Job Description This role is responsible for the engineering design and development of mechanical systems, structures, and components. This includes concept development, evaluation of concepts, analysis of systems, structures, and components for their ability to perform their intended function, and ensuring they meet all technical specifications and requirements. The role will ensure the development of the systems and components through production including any necessary prototyping, testing, and commissioning. Job Responsibilities Develop mechanical/physical concepts, design and support development of processes to create or identify structures, systems, and components (SSCs) for use in nuclear products or facilities with a focus on nuclear safety. Identify, collect, and document applicable requirements, interfaces, design basis and criteria by coordinating with key stakeholders/systems engineers and support identifying applicable industry codes and standards and the direction of project leads and systems engineers. Planning and performing the analysis required to assess aspects of the SSCs to ensure they can perform their intended functions and meet technical specifications and design requirements. Perform computations utilizing hand calculations and analytical tools for structural, thermal, hydraulic, and other scoping calculations as required at the direction of project leads and systems engineers to ensure SSCs can meet technical requirements. The role may include specialization in one or more of the following areas Create and maintain CAD-generated engineering models of reactor SSCs. Integrate design activities across engineering team members, partners, and suppliers and perform supporting scoping and sizing calculations to downselect design features to meet design requirements using guidance from consensus codes and standards. Develop innovative mechanical solutions to refine and deploy concepts, technologies, and designs associated with X-energy developed reactors, including pressure vessels and piping, reactor internals, nuclear fuel, and high temperature materials such as graphite. Support the assessment of SSCs for manufacturability as well as assembly and integration considerations at the direction of project leads. Write and develop design documentation including design basis documents, technical reports, calculations, and drawings in accordance with applicable procedures. Develop Verification and Validation (V&V) plans for analytical tools and support qualification of toolset. Perform work in accordance with X-energy quality procedures for design and configuration management to ensure project quality requirements are met. Provide independent reviews and acceptance reviews of engineering deliverables and data. Maintain professional demeanor and behavior at all times in all forms of communication. Perform other duties as assigned by manager. Minimum Qualifications Bachelor’s degree in mechanical engineering, or related engineering discipline (e.g., nuclear aerospace, chemical, etc.) from an accredited institution required. Proficiency with engineering hand calculations is required. Experience and/or knowledge in a minimum of one of the following areas: Use of Computer-Aided Design (CAD) and product lifecycle management (PLM) software. Hardware ownership including manufacturing and testing oversight. One plus years of demonstrated hands‑on experience developing and delivering hardware or manufacturing processes in a production environment is required. May include industry internship experience, hobby, or participation in collegiate engineering projects such as: Formula SAE, Baja SAE, Design Build Fly, Rocket Club, etc. Designing and developing mechanical or fluid systems, assemblies, or components. E.g. UG/NX, SolidWorks, Pro-Engineer, Teamcenter, Windchill, or similar. Preferred Skills Experience with leading and executing design/fabrication/testing/licensing of TypeA or TypeB fissile radioactive material transport package as required by 10CFR Part71 and 10CFR Part49 requirements. Experience with design/fabrication/licensing of nuclear storage systems under 10CFR Part72 or 10CFR Part50 is also preferred. Facilitate/review structural, thermal, containment/confinement, shielding and criticality evaluations for nuclear transportation and/or storage systems. Experience interacting with the regulatory authority during pre‑application meetings, and providing technical documentation in the from of responses to requests for additional information (RAIs). Experience interacting with varied stakeholders internally within the company with technical authority. Responsibilities Execute the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document, with minimal supervision. Provide ownership, responsibility, and accountability over technical scope involving the coordination of multiple individual contributors working in a specific area. Minimum Qualifications Typically, five years of experience in an engineering role required. A master’s degree in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of two years of experience. A Ph.D. in engineering or related field (may include a combination of experience obtained through an academic institution, e.g., design projects, research, or design teams, as well as professional experience) may be in lieu of three years of experience. Previous experience at X-energy exceeding performance standards may be in lieu of years of experience. Location 9801 Washingtonian Blvd, Gaithersburg, MD Work Site Expectations 4 days in office Travel Expectations Up to 10% Hours Standard office hours are 8:00am - 5:00pm ET, Monday – Friday Compensation As required by Maryland and other applicable state law, X Energy, LLC (X-energy) lists the expected compensation range for a publicly advertised job opportunity based upon the job requirements (e.g. education/training, experience, skill sets, etc.). Individual candidates who meet the job requirements for the posted position will be offered a salary within this range based on their respective levels of education/training, experience, and other qualifications unique to them. Salary ranges may vary based on the specific office location and region referenced in the posting to take into consideration differences in cost of living and may not be reflective of all regions. Please note that compensation ranges listed for US job postings reflect base salary only and do not include benefits or other incentives. Offers within the posted salary range are commensurate with the individual’s qualifications for the position, along with a view on internal equity, market data, and room for growth. The salary range for this position is: $122,500 -$138,750 Position Job Classification Full time - Exempt Benefits 401K plan with an employer match Medical/Dental /Vision Insurance Life and Disability Insurance Paid Time Off Tuition Reimbursement/Professional Development policy that supports the continuing education of our employees An Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability. X Energy, LLC participates in E-Verify. Please visit the links below for more information about E-Verify and the protection of your Right to Work. Right To Work Link: If you have the right to work, don't let anyone take it away (e-verify.gov) E-Verify Participation Link: E-Verify Participation Poster English and Spanish X-energy is delivering the next generation of carbon-free energy by reinventing nuclear power. We believe in leaving a cleaner planet for our children and grandchildren, while continuing to provide sufficient and affordable power to sustain growing populations around the world. That is why we have reinvented nuclear power, with a unique combination of proven technologies and new innovations, to meet our current and future needs. Watch our Anthem here Equal Employment Opportunity Posters X-energy does not discriminate in employment against qualified individuals on the basis of a disability, and understands its obligation to make reasonable accommodation for individuals with physical or mental impairments that qualify as a disability under the ADA and ADAAA, unless the accommodation would impose an undue hardship on the company. It is an applicant’s or employee’s responsibility to participate in this interactive process by seeking an accommodation, assisting X-energy in reviewing accommodation alternatives and providing medical certification of the need for an accommodation. Any applicant or employee who wishes to seek an accommodation under this policy should contact the Human Resources Department via email at View email address on click.appcast.io. Whether a requested accommodation would create an undue hardship will be determined based on the facts of each particular case. #J-18808-Ljbffr X-Energy
- X-energy is seeking a CFD/Thermal Hydraulics Engineer III-IV in the Gaithersburg/Rockville area and on-site at 9801 Washingtonian Blvd, Gaithersburg... ...focuses on design and development of mechanical systems for nuclear products, with emphasis on CFD, heat transfer and safety...Suggested
$101.4k - $154.7k
POSITION SUMMARYThe Senior Automation Engineer is responsible for designing, sourcing, building and testing automated assembly equipment... ..., pick-and-place, part handling, sorting and conveying, and packaging.Software programming for control of automation equipment....SuggestedFull timeTemporary workFlexible hours- ...role is responsible for the engineering design and development of mechanical... ...components (SSCs) for use in nuclear products or facilities with a... ...RequirementsLevel III ResponsibilitiesExecute the core... ...LLC offers a robust benefits package that includes a 401K plan with...SuggestedFull timeWork at office
$137.92k - $230.33k
...sustainable infrastructure and our expertise in engineering, procurement, consulting and construction... ...steel and reinforced concrete design at Nuclear Power Plants. Experience writing... ...ANSYS Code Experience: ASME Section III, Section XI AISC, 15th Edition ACI...SuggestedFull timePart timeWork experience placementWork at officeLocal areaRelocationVisa sponsorshipFlexible hours- X Energy, LLC in Gaithersburg, MD seeks a Senior Supply Chain Engineer to lead supplier development, contract strategy, and risk management for critical valve and procurement programs. The role collaborates with engineering and procurement to align with project schedules...SuggestedContract work
$162.75k - $186.38k
...Description This role is responsible for performing engineering tasks associated with designing, developing, and conducting analyses of a nuclear reactor or nuclear facility. Job Profile... ...X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer...Full timeFor contractors$79.34k - $119.01k
...Characterization: Perform risk analyses and conduct laboratory or engineering studies to characterize processes. Test, analyze and interpret... ...functions (formulation, process, device, analytical, packaging), operations, supply chain, project management and QA. Manage...Hourly payTemporary work$170.5k - $284.74k
...sustainable infrastructure and our expertise in engineering, procurement, consulting and... ...Black & Veatch is engaged with securing nuclear energy's future through our commitment to... ...to deliver complete design modification packages to support plant betterment projects. Safety...Full timePart timeWork experience placementWork at officeLocal areaRelocationVisa sponsorshipFlexible hours$137.92k - $230.33k
...With minimal supervision, applies advanced engineering techniques and analyses. Develops... ...reinforced concrete design experience at Nuclear Power Plants. Experience writing technical... ...Staad Pro GT Strudl ANSYS ASME Section III, Section XI AISC, 15th Edition ACI 318,...Work experience placementWorldwideRelocationFlexible hours$269k - $328.9k
...are looking for an experienced Executive Director of Process Engineering to lead our cell therapy process engineering team. The Executive... ...assurance, raw materials, single-use technology, and packaging, all within established quality systems.Design and oversee process...Full timeWork at office3 days per week- 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...Work at office
- ...coordinating internal audits, and ensuring compliance with NRC, DOE, CNSC, and ISO standards. The ideal candidate has a strong background in nuclear QA, CGD, and ISO/IEC 17025, with extensive experience in audits, training, and supplier assessments. This position is based onsite...
- ...Technical Specialist to apply advanced engineering techniques in their Gaithersburg, MD office... ...concrete design, particularly within Nuclear Power Plants. The successful candidate will... ...include a comprehensive healthcare package, flexible work schedule, and a performance...Work at officeFlexible hours
$120k - $200k
...your recruiter to learn more. Position Position : Plant Maintenance Engineer (Utility or Nuclear preferred) Salary Salary Range : $120,000 to $200,000 Benefits Benefits : Robust benefits package that includes a 401K plan with %5 employer match, Medical/Dental /Vision...Full timeFor contractorsWork at officeRemote workRelocationMonday to Friday- X Energy is seeking an experienced Mechanical Engineer to design and develop mechanical systems, structures, and components for nuclear products and facilities. You will evaluate concepts, perform analyses, and guide designs from concept through prototyping and commissioning...
- 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. You will collaborate with stakeholders to ensure safety, quality, and performance...
- X Energy, LLC in Gaithersburg, MD seeks an experienced Mechanical Engineering Manager to oversee a team responsible for subdiscipline work across projects. You will direct contributors, support project teams, and assist with design, analysis and drafting of systems for...
- X-energy seeks Licensing Engineers to advance licensing strategies for first‑of‑a‑kind reactor deployment. You will lead license applications... ...writing and oral communication skills, deep understanding of nuclear reactor design, and robust project management experience to...
$75 - $120 per hour
EXCEL Services Corporation is a global nuclear engineering consulting and services company that was founded in 1985. EXCEL provides consulting services tooperatingnuclear facilities worldwide that enhance safety and security, improve efficiency and performance, and reduce...Hourly payRemote workWork from homeWorldwide- X Energy, LLC is hiring a Nuclear Engineer to design, analyze, and evaluate nuclear reactor systems and facilities. You will lead design reviews... ...strong focus on safety and regulatory standards. A robust benefits package accompanies the compensation. #J-18808-Ljbffr X-Energy
- X-energy is seeking a nuclear engineering intern for Summer 2027 in Rockville, MD (Gaithersburg). The internship supports engineers and scientists on projects related to small modular reactors and nuclear facilities, offering hands-on experience under guided supervision...Summer workInternship
- Ocean Atomics in Bethesda, MD is seeking an engineer to design and analyze instrumentation and control (I&C) systems for the reactor and ship plant, sensors, control logic, protection systems, and operator interfaces. You will use the engineering simulator to develop,...
$169.28k - $197.2k
Hiring Agency: Nuclear Regulatory Commission Department: Other Agencies and Independent Organizations Location: Rockville, Maryland... ...the Office of Advanced Reactors, Division of Advanced Reactor Engineering, Advanced Reactor Engineering Branch 4. The supervisor is Travis...Work experience placementWork at officeRemote workFlexible hours- ...the Office of Advanced Reactors, Division of Advanced Reactor Engineering, Advanced Reactor Engineering Branch 4. The supervisor is Travis... ...to include experience reviewing and evaluating the area of nuclear power plant technology which includes reactor systems, reactor...Work at officeLocal area
- X-energy LLC in Gaithersburg, MD is offering a Summer 2027 internship for students in nuclear engineering or closely related fields. The program is a 10-week, full-time on-site opportunity designed to support active engineering projects and learn from experienced professionals...Full timeInternshipSummer internship
- EXCEL Services Corporation is a global nuclear engineering consulting and services company delivering licensing support to US facilities. This role is fully remote and focuses on managing licensing projects and NRC submissions with a proactive, self-starting approach. You...Remote jobContract work
- X Energy, LLC is seeking a Licensing Engineer to support new reactor licensing strategies and prepare regulatory submissions. You will coordinate engineering, regulatory affairs, and business teams to advance deployment of X-energy reactors globally. You'll lead licensing...
$90 - $105 per hour
...help our customers solve complex systems engineering and integration challenges. CSG is... ...& Validation/ SE&I Engineer (MTS Casual III-Systems Engineering) will work closely with... ...Develop and coordinate documentation change packages, ensuring thorough stakeholder review...Hourly payPart timeCasual workWork at officeImmediate startRemote workRelocation packageFlexible hours$137.84k - $229.73k
..., and development of a state-of-the art engineering analysis software toolkit that enables the... ...and licensing of the next generation of nuclear power reactors. This includes decisions... ...and Commercial Grade Dedication (CGD) packages for all relevant analysis software.Control...Full timeFor contractorsWork at office- ...while upholding the highest standards of nuclear safety and quality. At this level, the... ...matter expert and strategic leader, shaping engineering strategy across major programs,... ...X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer...Full timeWork at officeLocal areaRemote workMonday to Friday
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