X-energy
Microreactor System Engineer III-IV
MD - Gaither Rd., Rockville Corp Hqtrs
Get past the screening software and onto a recruiter's desk
hirly rewrites your resume for this job — matching the keywords and skills in the posting, moving your most relevant experience to the top, and writing a cover letter to fit. About 30 seconds.
- Keywords matched to this posting
- Fit score before you apply
- Cover letter included
Apply from your AI assistant
Connect hirly to Claude and ask it to apply to this job. hirly tailors your resume, fills the employer’s form and asks before sending. ChatGPT: manual setup today.
Some employer sites stop an application at a CAPTCHA or sign-in and hand it back with a link. Applying needs a paid plan. Works with any assistant that supports MCP.
hirly's read of this role
- Seniority
- Senior
- Stated salary
- $120,000 – $145,000 per year
- Country
- US
- Work mode
- On-site / unstated
- First seen by hirly
- 11 Sept 2026
Derived automatically from the posting. Upload your resume above to see how the role scores against it.
the posting
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 hiring Microreactor System Engineers to join its team. This role is responsible for executing rigorous systems engineering processes to support the design, integration, and management of complex nuclear systems throughout their lifecycles. Working within established model-based systems engineering frameworks, this position ensures all system components work together effectively and meet project requirements. The Systems Engineer focuses on verifying and validating product requirements according to the systems engineering lifecycle process while maintaining clear documentation of design decisions and system interfaces.
Job Profile Tasks/Responsibilities
- Apply systems thinking and take a holistic approach to solve problems, analyze and design systems, considering the interdependencies and interactions between various components.
- Lead and manage systems engineering lifecycle efforts surrounding:
- Stakeholder and operational analysis
- Requirement identification, decomposition, and management
- Functional decomposition and modeling
- Logical system architecture development and modeling
- Physical product definition, interface management, and change control
- Design integration and testing
- System verification and validation
- Concept of operations development and modeling
- Develop and maintain system behavior models using model-based systems engineering (MBSE) tools within established Product Lifecycle Management (PLM) frameworks.
- Lead the identification and monitoring of technical risks and the development of risk mitigation strategies.
- Support value engineering activities including cost analyses, economic feasibility assessments, and cost reduction opportunity identification.
- Write and review engineering documentation, reports, and communicate technical details and project progress to technical and non-technical stakeholders.
- Execute systems engineering processes within X-energy's quality management framework.
- Work across engineering disciplines to ensure effective integration of system components and subsystems.
- Perform work in accordance with X-energy quality assurance procedures to ensure engineering products meet required standards.
- Always maintain professional demeanor and behavior in all forms of communication.
- Lead the execution the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document, without close supervision and some latitude for independent judgment.
- 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.
- Perform other duties as assigned by manager.
Minimum Qualifications
- Bachelor’s degree in industrial and systems engineering, or other engineering related discipline from an ABET accredited institution required.
- Level III: Typically, five years of experience in an engineering role.
- Level IV: Typically, ten years of experience in an engineering role.
- 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.
- Experience with systems engineering software tools.
- Experience and/or knowledge in a minimum of one of the following areas:
- System Lifecycle Processes (ISO 15288)
- Operational & Stakeholder Analysis
- Requirements Management
- System Design & Interface Management
- Design Integration & Testing
- Verification & Validation
- Model-Based Systems Engineering (MBSE) Tools and Methods & Product Lifecycle Management Systems
- e.g. Teamcenter PLM, Cameo, Capella, Genesys, SysML, and DOORS
Location: 9801 Washingtonian Blvd, Gaithersburg, MD
- Work Site Expectations: 4 days in office
- Travel Expectations: Up to 10% as needed for project assignment
- Hours: 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:
Level III: $120,000- $145,000; Level IV: $145,000- $170,000
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
Listed on hirly, a job board. hirly is not the employer: X-energy is hiring for this role.
Similar jobs
- BT System Engineer IIIFaithtechnologies · WI - MenashaFirst seen 2d ago
- BT System Engineer IIIFaithtechnologies · WI - MenashaFirst seen 2d ago
- Senior Power System EngineerBlueorigin · Greater Seattle AreaFirst seen 2d ago
- System Engineer | SR WVBTexas Instruments · Phoenix, AZ, United StatesFirst seen 3d ago
- System Engineer, SeniorGdit · USA FL TampaFirst seen 3d ago
Browse similar roles
Want this one?
Upload your resume and hirly rewrites it for this job and writes the cover letter — in about thirty seconds, before you sign up.
Tailor my resume for this job