Jobs in the United States

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M
Senior ALC Developer PART TIME
Maximus
Carson City, NV
- Part-time
Consult with managerial, engineering, and technical personnel to clarify program intent, identify problems, and suggest changes.
Added just now
Senior ALC Developer
Maximus
Carson City, NV
Consult with managerial, engineering, and technical personnel to clarify program intent, identify problems, and suggest changes.
Added just now
EG
Product Manager, Team Digital Products
Eliassen Group
Carson City, NV
- $50 to $55 USD / hour
Our client is seeking a Product Manager to own the day-to-day digital product relationship with its teams, primarily supporting team websites, CMS platforms, and related digital…
Added just now
EG
Program Manager
Eliassen Group
Carson City, NV
- $75 to $80 USD / hour
8-10+ years of Technology Program Management experience, preferably in data engineering projects.
Added 2 mins ago
Engagement Manager
Nominal
NY
…the systems, data, intelligence, and applications hardware engineering requires to meet the AI moment. Hardware engineering teams use Nominal to simulate, test, manufacture, and operate the…
Added 5 mins ago
CR
GenAI Forward Deployed Engineer (client facing) - Financial Services
Continuum Resource Network
Remote, United States
- $150,000 to $200,000 USD / year
…into a management-level engagement role. As AI Transformation Manager, you will lead workstreams within larger AI transformation programs, work directly with client stakeholders, and…
Added 5 mins ago
CR
GenAI Forward Deployed Engineer (client facing) - Financial Services
Continuum Resource Network
Remote, United States
- $150,000 to $200,000 USD / year
…into a management-level engagement role. As AI Transformation Manager, you will lead workstreams within larger AI transformation programs, work directly with client stakeholders, and…
Added 9 mins ago
G
Project manager Professional Engineer
GPAC
Dubuque, IA
- $93,000 to $140,000 USD / year
Civil Engineer / Project Manager Opportunity with an Established Civil Engineering Firm
Added 24 mins ago
Senior Electrical Engineer 1 - Nuclear
Sargent & Lundy
UNAVAILABLE, OH
A BS degree in Electrical Engineering from an ABET-accredited engineering program,
Added 24 mins ago
Senior Instrumentation & Controls Engineer 1 - Nuclear
Sargent & Lundy
Perry, OH
BS or MS in Electrical or Mechanical Engineering from an ABET accredited program
Added 24 mins ago
Senior Electrical Engineer 1 - Nuclear
Sargent & Lundy
Perry, OH
A BS degree in Electrical Engineering from an ABET-accredited engineering program,
Added 24 mins ago
Senior Electrical Engineer 1 - Nuclear
Sargent & Lundy
Chicago, IL
A BS degree in Electrical Engineering from an ABET-accredited engineering program,
Added 25 mins ago
Solar PV Construction Site Manager -- Field Assignment
Sargent & Lundy
United States
The Solar PV Construction Site Manager will oversee their assigned projects' field operations/installation side to help ensure that equipment is installed safely, accurately, completely,…
Added 26 mins ago
Transmission Planning Manager -- S&L Consulting
Sargent & Lundy
Chicago, IL
A Bachelor’s Degree in Electrical Engineering and sufficient industry experience is considered in lieu of an advanced degree
Added 26 mins ago
Senior Transmission Planning Manager -- S&L Consulting
Sargent & Lundy
United States
A Bachelor’s Degree in Electrical Engineering and sufficient industry experience is considered in lieu of an advanced degree
Added 26 mins ago
Senior Transmission Planning Manager -- S&L Consulting
Sargent & Lundy
Chicago, IL
A Bachelor’s Degree in Electrical Engineering and sufficient industry experience is considered in lieu of an advanced degree
Added 26 mins ago
Project Manager -- Electrical Engineering Consultant
Sargent & Lundy
Chicago, IL
Sargent & Lundy is one of the largest and most experienced power industry engineering and consulting firms. We have a unique and exciting opportunity to join our Consulting group in the…
Added 26 mins ago
Project Manager -- Electrical Engineering Consultant
Sargent & Lundy
United States
Sargent & Lundy is one of the largest and most experienced power industry engineering and consulting firms. We have a unique and exciting opportunity to join our Consulting group in the…
Added 26 mins ago
Project Manager -- Clean Energy Consultant
Sargent & Lundy
Chicago, IL
Sargent & Lundy is one of the largest and most experienced power industry engineering and consulting firms. We have a unique and exciting opportunity to join our Consulting group in the…
Added 27 mins ago
Senior Category Manager - Procurement
Fairfield
Miami, FL · Washington, DC · Houston, TX · Boston, MA · Charlotte, NC · Chicago, IL · Austin, TX
As Senior Category Manager, you’ll join Fairfield’s growing Procurement function with meaningful ownership over how category management takes shape. You’ll be one of the company’s lead…
Added 30 mins ago
ConvergeHEALTH - Health Care Analytics and AI Senior Product Owner_Products & Platforms
Deloitte US
Arlington Heights, IL · Atlanta, GA · Austin, TX · Boston, MA · Charlotte, NC · Chicago, IL · Cincinnati, OH · Cleveland, OH · Costa Mesa, CA · Dallas, TX · Denver, CO · Detroit, MI · Houston, TX · Indianapolis, IN · Kansas City, MO · Los Angeles, CA · Miami, FL · Nashville, TN · NY · Philadelphia, PA · Pittsburgh, PA · Sacramento, CA · San Diego, CA · San Francisco, CA · San Jose, CA · Seattle, WA · St. Louis, MO · Stamford, CT · Tampa, FL · Tempe, AZ
In this role, you will work closely with a Product Manager to translate business priorities into executable product requirements, coordinate delivery with engineering and data teams, and…
Added 30 mins ago
AI Manager/Lead - Lead Data Engineer II
Deloitte US
Sacramento, CA
Our Deloitte AI & Engineering team to transform technology platforms, drive innovation, and help make a significant impact on our clients’ success. You’ll work alongside talented…
Added 39 mins ago
GenAI Forward Deployed Engineer (client facing) - Financial Services
Continuum Resource Network
Atlanta, GA · New York, NY
…into a management-level engagement role. As AI Transformation Manager, you will lead workstreams within larger AI transformation programs, work directly with client stakeholders, and…
Added 56 mins ago
Director, Technical Program Management
Oracle
United States
…priorities and goals using technical know-how in a fundamental engineering area or technical domain. Oversees scope and milestones and objectives for technical programs, guiding the…
Added 56 mins ago
Manager Manufacturing, Purification - Nights
Amgen
West Greenwich, RI
The Front-Line Manager will collaborate routinely with Quality Assurance, Quality Control, Engineering, Facilities and Engineering, Maintenance, Process Development, Process Engineering,…

X-Energy, LLC

Engineer II-IV, Reactor Physics

Rockville, MD, United States

The salary range for this position is: Level II: $107,625 - $122,063; Level III: $125,000 - $150,000; Level IV: $155,000 - $185,000 Position Job Classification Full time - Exempt

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Job details

Pay: The salary range for this position is: Level II: $107,625 - $122,063; Level III: $125,000 - $150,000; Level IV: $155,000 - $185,000 Position Job Classification Full time - Exempt
Posting language: English
Posted: Nov 6, 2026

Original 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

This role is responsible for performing engineering tasks associated with designing, developing, and conducting analyses of a nuclear reactor or nuclear facility.

Job Profile Tasks/Responsibilities

Perform design, analysis, and evaluation in assigned projects using sound engineering principles and adhering to business standards, practices, procedures, and product / program requirements.
Support team members with the execution of the core tasks and responsibilities listed in the Job Profile Task/Responsibilities section of this document, under guided supervision.
Coordinate with engineering team members, partners, and suppliers to facilitate the convergence of efforts, allow design closure, provide design assurance, and deliver high quality engineering work products.
Collaborate in planning, scheduling, and organizing detailed phases of engineering work.
Collaborate in the technical oversight and direction of internal or external design teams.
Facilitate and assist in the assessment of customer needs and capture requirements and functions related to nuclear engineering.
Execute nuclear engineering assignments with clear and specified objectives; utilize conventional specifications and/or Interface Control Documents and plans.
Recommend system design alterations and enhancements to improve quality of products and/or procedures from an assembly, transportation, construction, commissioning, operations, maintenance, and/or decommissioning perspective.
Lead reviews and presentations for internal company design reviews and customer design reviews regarding nuclear design.
Organize engineering efforts in assigned areas between specialty and other engineering groups or disciplines, with the client, suppliers, contractors, or other groups as required.
Maintain a 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 nuclear engineering or related degree from an accredited institution.
Typically, three years of experience in an engineering role for a level II.
Typically, five years of experience in an engineering role for a level III.
Typically, ten years of experience in an engineering role for a level IV.

•

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.
Possess technical experience and proven expertise in one or more of the following areas:
Reactor core design and analysis.
Radiation shielding design and analysis.
Nuclear fuel analysis and qualification.
Criticality safety.
Reactor multiphysics analysis, especially pertaining to transient analysis.
Nuclear analysis software development, verification and validation.
Other areas of nuclear engineering or nuclear physics relevant to the design and analysis of small modular reactors, microreactors, and nuclear facilities.

Preferred Qualifications

Experience with reactor physics codes (ex. MCNP, SCALE, OpenMC).
Understanding of deterministic methods.

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: Level II: $107,625 - $122,063; Level III: $125,000 - $150,000; Level IV: $155,000 - $185,000 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

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More about this job

Skills

Engineering principles
Scheduling
Assembly
Presentation skills
Communication skills
Research
ANSYS Multiphysics
Software development
Nuclear physics

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