ZipRecruiter

Log In

1

Small Modular Reactor Smr Jobs in Reston, VA (NOW HIRING)

X Energy LLC

Senior Manufacturing Engineer

Rockville, MD · On-site +1

$92K - $126K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

X-energy is seeking a Senior Manufacturing Engineer responsible for translating complex nuclear component designs into manufacturable products for our small modular reactor program. This role ...

X Energy LLC

Senior Manufacturing Engineer

Rockville, MD · On-site

$92K - $126K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

X-energy is seeking a Senior Manufacturing Engineer responsible for translating complex nuclear component designs into manufacturable products for our small modular reactor program. This role ...

X Energy LLC

Nuclear Engineer, IV

Rockville, MD · On-site +1

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X Energy LLC

Radiation Shield Design Engineer

Rockville, MD · Hybrid

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X Energy, LLC

Radiation Shield Design Engineer

Rockville, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X Energy LLC

Nuclear Engineer, IV

Rockville, MD · Hybrid

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X-energy

Nuclear Engineer, IV

Rockville, MD · On-site

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X Energy LLC

Radiation Shield Design Engineer

Rockville, MD · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X Energy LLC

Engineer V-VI, Licensing

Rockville, MD · On-site

$165K - $190K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

This role is responsible for supporting the development of reactor licensing efforts and associated ... reactors and/or small modular reactors. * Knowledge of and application of 10 CFR Part 73 ...

X Energy LLC

Engineer V-VI, Licensing

Rockville, MD · On-site

$165K - $190K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

This role is responsible for supporting the development of reactor licensing efforts and associated ... reactors and/or small modular reactors. * Knowledge of and application of 10 CFR Part 73 ...

X Energy LLC

Engineer II, Nuclear

Rockville, MD · Hybrid

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X-energy

Engineer II, Nuclear

Rockville, MD · On-site

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

X Energy LLC

Engineer II, Nuclear

Rockville, MD · On-site +1

$100K - $120K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Reactor core design and analysis. * Radiation shielding design and analysis. * Nuclear fuel ... small modular reactors, microreactors, and nuclear facilities. Location: 9801 Washingtonian ...

previous pagenext page

Showing results 21-40

All JobsSmall Modular Reactor Smr JobsSmall Modular Reactor Smr Jobs in Reston, VA

Small Modular Reactor Smr information

What is a small modular reactor SMR?

A Small Modular Reactor (SMR) job involves working with advanced nuclear reactor technology that is designed to be smaller, more flexible, and more efficient than traditional nuclear power plants. Professionals in this field may be responsible for reactor design, safety analysis, licensing, construction, operation, or maintenance. Jobs can range from engineering and project management to regulatory compliance and research. SMR roles are crucial for advancing nuclear energy as a clean and reliable power source.

What does a small modular reactor SMR do?

Professionals in SMR roles often oversee reactor operations, monitor safety systems, conduct technical analyses, and engage in regular maintenance and troubleshooting of nuclear systems. Daily responsibilities may also include coordinating with regulatory bodies, preparing technical reports, and participating in safety drills or emergency preparedness exercises. Many SMR professionals work closely with engineers, technicians, and project managers to ensure projects stay on track and comply with all safety and regulatory standards. This collaborative environment emphasizes ongoing communication, continuous learning, and strict adherence to industry protocols to support the safe and efficient operation of SMR facilities.

What are the key skills and qualifications needed to thrive in a small modular reactor SMR position?

To thrive in Small Modular Reactor (SMR) roles, professionals need strong backgrounds in nuclear engineering, reactor operations, and safety protocols, usually backed by a relevant engineering degree and nuclear certification. Familiarity with advanced reactor control systems, nuclear regulatory compliance tools, and simulation software is important for daily tasks. Excellent problem-solving, teamwork, and effective communication skills help in managing complex projects and collaborating with multidisciplinary teams. These skills and qualifications are critical for ensuring safe reactor operation, regulatory adherence, and the advancement of innovative nuclear technologies.

What are popular job titles related to Small Modular Reactor Smr jobs in Reston, VA?

For Small Modular Reactor Smr jobs in Reston, VA, the most frequently searched job titles are:

What job categories do people searching Small Modular Reactor Smr jobs in Reston, VA look for?

The top searched job categories for Small Modular Reactor Smr jobs in Reston, VA are:

What cities near Reston, VA are hiring for Small Modular Reactor Smr jobs?

Cities near Reston, VA with the most Small Modular Reactor Smr job openings:

Small Modular Reactor Smr jobs near you
Infographic showing various Small Modular Reactor Smr job openings in Reston, VA as of August 2026, with employment types broken down into 75% Full Time, and 25% Part Time. Highlights an 75% In-person, and 25% Remote job distribution.

Senior Manufacturing Engineer

X Energy LLC

Rockville, MD • On-site, Remote

$92K - $126K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 29 days ago

Job description

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-energy.com/careers/. We will never ask you to provide payment information as part of the recruiting process. If anyone claiming to represent X-energy directs you in a manner otherwise, please contact us at www.x-energy.com/contact-us.
Job Description
X-energy is seeking a Senior Manufacturing Engineer responsible for translating complex nuclear component designs into manufacturable products for our small modular reactor program. This role requires expertise in heavy component manufacturing, with emphasis on design for manufacturability, process optimization, and quality assurance. The ideal candidate will work closely with vendors throughout the manufacturing lifecycle, from initial planning to final delivery, providing on-site monitoring and oversight during critical fabrication phases. This position demands hands-on involvement in vendor management, fabrication surveillance, and manufacturing problem-solving to ensure our nuclear systems meet all technical specifications while being efficiently and safely manufactured.
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.
  • 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.
  • Lead the execution of the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document, without close supervision and extensive latitude for independent judgement.
  • Teach and mentor more junior team members.
  • Stay abreast of industry and academic trends, breakthroughs, and best practices.
  • Maintain professional demeanor and behavior at all times in all forms of communication.
  • Perform other duties as assigned by manager.

Qualifications
  • Bachelor's degree in mechanical engineering, or related engineering discipline (e.g., nuclear aerospace, chemical, etc.) from an accredited institution 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.
  • 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 E.g. UG/NX, SolidWorks, Pro-Engineer, Teamcenter, Windchill, or similar.
  • 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.

Preferred Experience
  • Design for Manufacturing (using manufacturer input and testing back into design)
  • Heavy manufacturer startup and follow for FOAK components
  • Weld engineering (degree preferable), minimum familiarity with AWS standards and ASME BPVC Section IX
  • Experience with machining and assembly
  • Proficient in CAD modeling and drawing production (NX preferred)
  • ASME Component manufacturing experience (preferably BPVC Section III, minimum Section VIII)
  • Experience troubleshooting manufacturing issues in real-time, providing technical solutions to production challenges"

Job Level Qualifications
  • Level III
    • Level Tasks/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.
    • Level 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.
  • Level IV
    • Level Tasks/Responsibilities
      • Lead the execution of the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document, without close supervision and some latitude for independent judgement.
      • Provide feedback and guidance to more junior team members with the execution of the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document.
      • Lead small groups of engineers to solve complex technical problems and deliver high quality engineering work products on time and within budget.
    • Level Minimum Qualifications
      • Typically, ten 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.
  • Level V
    • Level Tasks/Responsibilities
      • Lead the execution of the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document, without close supervision and extensive latitude for independent judgement.
      • Teach and mentor more junior team members.
      • Stay abreast of industry and academic trends, breakthroughs, and best practices.
    • Level Minimum Qualifications
      • Typically, fifteen 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 Boulevard, Gaithersburg, Maryland
Work Schedule: 4 days a week in office
Travel Expectations: Travel, International and Domestic, between 25%-50%
Hours: 8:00am-5:00pm, Mon-Fri
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:
Level III: $115,000 - $140,000 Level IV: $140,000 - $170,000 Level V: $170,000 - $200,000
Position Job Classification
Full time - Exempt
Benefits
X Energy, LLC offers a robust benefits package that includes a 401K plan with an employer match, Medical/Dental /Vision Insurance, Life and Disability Insurance, Paid Time Off, and a 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

Apply