Nuclear Software Engineering Manager
Confirmed on the employer's own hiring board on Sep 29, 2026. First seen by Alion on Sep 17, 2026.
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
This position is responsible for supporting the acquisition, integration, qualification, and development of a state-of-the art engineering analysis software toolkit that enables the design and licensing of the next generation of nuclear power reactors. This includes decisions based on business objectives, allocated resources, and regulatory compliance.Job Profile Tasks/Responsibilities
- Support the delivery of the following software and services to the engineers who are performing analysis:
- Internally developed analysis software (i.e., installation files, documentation, testing, user support).
- Verification and Validation (V&V) documentation and Commercial Grade Dedication (CGD) packages for all relevant analysis software.
- Control and maintenance of analysis software in accordance with the Quality Assurance program which implements NQA-1 and other relevant standards.
- Support project managers and leads for development of analysis software.
- Support the execution of the project plans for each area.
- Partner with appropriate managers to ensure sufficient staffing, resourcing, and recruitment for supporting software services.
- Collaborate with appropriate team members to ensure that validation covers the design requirements specified for full code qualification.
- Work with appropriate managers to ensure alignment of requirements.
- Act as single point of contact for software services contractors.
- Support the management of performance, acceptance, and quality assurance of work product by contractors.
- Manage execution and periodic updating of the Quality Assurance Program’s (QAP) software procedures.
- Maintain professional demeanor and behavior at all times in all forms of communication.
- Perform other duties as assigned by manager.
Job Profile Minimum Qualifications
- Bachelor’s degree in engineering, computer science, or related discipline from an accredited university or college.
- Typically, ten years of engineering experience. Graduate degrees typically count as two plus years of experience.
- Experience with analysis software verification and validation (V&V).
- Experience in the use or development of analysis software under a heavily regulated quality assurance regime (e.g., nuclear systems design, nuclear safety analysis, flight control software, safety-related industrial controls or similar such as computer software used to control plant SSCs).
Location: 9801 Washingtonian Boulevard, Gaithersburg, Maryland
Work Site Expectations: 4-5 days in office
Travel Expectations: Up to 10% as needed for project assignment
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:
$137,838 to $229,729Position Job Classification
Full time - ExemptBenefits
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/ProfessionalDevelopment 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.
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