Senior Manufacturing Engineer
X Energy
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, . 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 .Job DescriptionX-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.ResponsibilitiesDevelop 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.QualificationsBachelor’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 ExperienceDesign for Manufacturing (using manufacturer input and testing back into design)Heavy manufacturer startup and follow for FOAK componentsWeld engineering (degree preferable), minimum familiarity with AWS standards and ASME BPVC Section IXExperience with machining and assemblyProficient 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 QualificationsLevel IIILevel Tasks/ResponsibilitiesExecute 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 QualificationsTypically, 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 IVLevel Tasks/ResponsibilitiesLead 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 QualificationsTypically, 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 VLevel Tasks/ResponsibilitiesLead 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 QualificationsTypically, 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: 530 Gaither Road, Rockville, MDWork Schedule: 4 days a week in office Travel Expectations: Travel, International and Domestic, between 25%-50%Hours: 8:00am-5:00pm, Mon-Fri CompensationAs 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 - $200,000Position Job ClassificationFull time - ExemptBenefitsX 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 SpanishSummaryLocation: Rockville, MDType: Full time
$93.6k - $154.5k
...supporting validation activities across quality, laboratory, manufacturing, and enterprise platforms, and ensuring data integrity across... ...bachelor’s or master’s degree in Computer Science, Biomedical Engineering, Quality Engineering, Manufacturing or a related field and at...SeniorFull timeWork experience placementWork at officeFlexible hours$107.9k - $195.05k
...most complex technical challenges by delivering mission-critical capabilities to our customers. We’re looking for a passionate Senior Test Engineer to join the Chinook Program to support one of our customers’ applications, a critical capability that enables operational...SeniorFull timeContract work$107.9k - $195.05k
...thrive in fast-paced, collaborative environments where quality and innovation go hand in hand? Leidos is seeking an experienced Senior Test Engineer to join the Chinook Program supporting an Intelligence Community customer. In this role, you’ll help deliver cutting-edge...SeniorFull timeContract work$151.66k
...Dates: Open 07/29/2026 to 08/12/2026Schedule: Full-timeWork type: PermanentRelocation: TruePosition ID: DEST-13004588-26-TBDocument ID: 878379800Grade: SN 00Job category: Nuclear Engineering (0840)Hiring path: public, fed-competitive, fed-excepted, vet, special-authoritiesSenior- ...delight our customers.Duties & Responsibilities: Responsibilities:Collaborate closely with R&D and Design Engineering teams to review new product designs for manufacturability, assembly, and testability (DFM/DFA/DFT).Develop, implement, and optimize manufacturing processes,...SuggestedFull timeWork at officeWork from home
$116.6k - $177.8k
...supporting high-impact research initiatives at MSD related to the research and development of manufacturing methods for clinical consumables. This position will work with a team of engineers and scientists to design and evaluate novel and high throughput manufacturing...Full timeTemporary workWork at officeFlexible hours- The Senior Principal Analyst in Market & Regulatory Services (“MRS”) Strategic Innovation & Research performs essential analysis and research to enable MRS to effectively innovate and expand its portfolio through securities industry experience, market research, operational...SeniorFull timeTemporary workFor contractorsFor subcontractorWork at officeLocal areaImmediate start
$169.28k
...ResearchSalary: Starting at $169,279 Per year (GG 15)Dates: Open 07/23/2026 to 08/05/2026Schedule: Full-timeWork type: PermanentRelocation: TruePosition ID: IMP-12998786-26-JLDocument ID: 877845900Grade: GG 15Job category: Materials Engineering (0806)Hiring path: fed-internal-searchSeniorWork at office$192.5k - $275k
...deeply technical, customer-facing leaders, Solution Architects own the full integration lifecycle. They collaborate with partner engineering teams to design, build, and validate joint solutions, then evangelize them in pre-sale engagements. Internally, they act as the technical...SeniorFull timeWork experience placementWork at officeLocal areaRemote work$101.4k - $154.7k
...product development programs and expand the capacity of existing manufacturing lines through automation. Additional job duties include the... ....Bachelor’s degree or higher in Computer Science, Software Engineering, Electrical Engineering or other related science or engineering...SeniorFull timeTemporary workWork experience placementWork at officeFlexible hours- Soltesz is seeking a highly experienced Senior Technical Manager to serve as a technical authority in land development civil engineering. This role is focused on engineering expertise, quality, and technical problem solving - not project management or people management...SeniorLocal area
- ...researchers in an effort to conduct process development and Good Manufacturing Practices (GMP) production of vaccine and biologics... ...technology transfer process and documentation Gaining experience in Engineering and facility operations within a cGMP facility Location...Contract workInternshipWork at officeRelocation package
$69.05k - $89.77k
...infrastructure protection, and border surveillance. Job Summary DRS RADA Technologies in Germantown, MD, is hiring a Manufacturing Engineer. This position is full time and on-site. As a subsidiary of Leonardo DRS, DRS RADA Technologies delivers proprietary...Full timeContract workWork experience placementInternshipLocal areaFlexible hours- A leading biotechnology company is growing their Antibody Engineering team and is in search of a talented scientist with extensive knowledge in guided phage display and antibody discovery technology advancement.Key Responsibilities:Establish and progress innovative phage...Senior
- Senior Land SurveyorSoltesz is currently seeking a highly motivated Land Surveyor to support land surveying and right-of-way activities in our Lanham, MD office. The Land Surveyor will perform a broad range of duties including topographic, boundary, and ALTA surveys, as...SeniorWork at officeLocal area
$175k - $225k
...clients through some of life’s most challenging transitions with clarity, compassion, and confidence. We’re seeking an experienced Senior Family Law Attorney to join our growing team and take a lead role in complex family law litigation. Responsibilities Lead and manage...Senior- Job Description Job Description Arkin & Leary, P.C. is looking for staff accountants with 1-5 years of experience working in public accounting. We are looking for talented individuals that are willing to work in all areas of accounting including attestation, taxation...Senior
- Saratoga Medical (DBA Saratoga Ascend) is hiring Senior Medical Officer - Pediatrics, IRB & Clinical Policy for onsite opportunities in Rockville, MD. Package includes competitive rates and long-term federal contract opportunities.Saratoga Medical (DBA Saratoga Ascend)...SeniorLong term contractVisa sponsorshipWork visa
- ...customers in the life sciences research industry.They should possess a strong executive presence, gain respect from highly technical engineering teams, and demonstrate both quantitative rigor and commercial intuition.Key responsibilities include:Strategic LeadershipDevelop...Senior
- ...A government services provider based in Rockville, Maryland, is seeking a Senior Billing Specialist to manage the e-billing and payment cycle, prepare reports, and supervise billing staff. Ideal candidates should possess five years of legal billing experience and leadership...Senior
- ...Seventh Sense, LLC seeks a Senior Contract Specialist to oversee high-volume acquisition activities through the full contract lifecycle. This on-site role in Rockville, MD requires independent work, rigorous documentation, and the ability to enable Contracting Officers...SeniorContract work
- James G. Davis Construction Corporation seeks a Project Executive to drive project delivery from preconstruction through closeout in our Rockville, MD portfolio. You will supervise and mentor project teams, manage schedules and budgets, and coordinate with clients, design...SeniorFor subcontractor
$115k - $150k
...Grunley Construction Company, Inc. is seeking a Senior Estimator to join their Preconstruction Department in Rockville, Maryland.... ...seven years of estimating experience and a Bachelor's degree in Engineering, Architecture, or Construction Management. The Senior Estimator...SeniorFor subcontractor$139.3k - $232.2k
...A regional banking institution is seeking a Senior Commercial Relationship Manager in Gaithersburg, MD. This full-time role focuses on managing client relationships in the Middle Market, emphasizing growth and profitability through comprehensive financial services. Ideal...SeniorFull time$75k - $93k
Institutional Shareholder Services Inc. is looking for an HR Generalist to join their collaborative team in Rockville, MD. This hands-on role involves supporting the full employee lifecycle, ensuring compliance with employment laws across multiple locations, and providing...Senior- ...Emmes is seeking a Senior Biostatistician Manager for a remote role to oversee statistical activities across various research areas. The role involves managing Biostatistician Managers, ensuring timely completion of projects, and serving as a client point of contact....SeniorRemote work
- ...Guidehouse in Rockville, MD is seeking a Senior Bioinformatics / Scientific Data Engineer to design, build, and maintain data pipelines and computational workflows for large-scale scientific data. You will implement ETL processes, automate workflows, validate data, and...Senior
- A government services provider located in Rockville, MD seeks an experienced eDiscovery Analytics Lead. This role involves providing technical support for electronic discovery and legal processes. Candidates should have over 5 years of experience, strong communication ...Senior
- Saratoga Medical (DBA Saratoga Ascend) is hiring Senior Medical Officer - Infectious Disease & Clinical Development for onsite opportunities in Rockville, MD. Package includes competitive rates and long-term federal contract opportunities.Saratoga Medical (DBA Saratoga...SeniorLong term contractVisa sponsorshipWork visa
- Frederick National Laboratory for Cancer Research in Rockville, MD, is seeking a Project Operations Manager II to oversee CGR project work in support of NCI’s DCEG. You will lead a team responsible for genomics, biospecimen, and laboratory studies, ensuring planning, communication...Senior
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Manufacturing Engineer. Be the first to apply!
- senior manager tax Rockville, MD
- senior devops Rockville, MD
- senior international accountant Rockville, MD
- senior vmware engineer Rockville, MD
- senior resident engineer Rockville, MD
- senior performance engineer Rockville, MD
- senior storage engineer Rockville, MD
- senior cloud solutions architect Rockville, MD
- senior director diversity & inclusion Rockville, MD
- senior construction accountant Rockville, MD



