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Senior Mechanical Engineer Nuclear Jobs (NOW HIRING)

Hatch is currently seeking a highly motivated Senior Mechanical Engineer - Nuclear to join our team in the United States. In the nuclear sector, we are busier than ever. Our teams are developing ...

Senior Mechanical Engineer

Naperville, IL · On-site

$104K - $137K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Any (preference Naperville, IL/Atlanta, GA/Ridgeland, MS) Senior Mechanical Design Engineer - Nuclear Projects Are you a seasoned engineer ready to take on complex challenges and lead innovative ...

Hatch is currently seeking a highly motivated Senior Mechanical Engineer - Nuclear to join our team in the United States. In the nuclear sector, we are busier than ever. Our teams are developing ...

Hatch is currently seeking a highly motivated Senior Mechanical Engineer - Nuclear to join our team in the United States. In the nuclear sector, we are busier than ever. Our teams are developing ...

Hatch is currently seeking a highly motivated Senior Mechanical Engineer - Nuclear to join our team in the United States. In the nuclear sector, we are busier than ever. Our teams are developing ...

Hatch is currently seeking a highly motivated Senior Mechanical Engineer - Nuclear to join our team in the United States. In the nuclear sector, we are busier than ever. Our teams are developing ...

Hatch is currently seeking a highly motivated Senior Mechanical Engineer - Nuclear to join our team in the United States. In the nuclear sector, we are busier than ever. Our teams are developing ...

Senior Mechanical Engineer

Naperville, IL · On-site

$90 - $130/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Any (preference Naperville, IL/Atlanta, GA/Ridgeland, MS) Senior Mechanical Design Engineer - Nuclear Projects Are you a seasoned engineer ready to take on complex challenges and lead innovative ...

Sr. Mechanical Engineer

Round Rock, TX · On-site

$94K - $110K/yr

  • Medical

  • Retirement

  • PTO

Senior Mechanical Engineer As a Senior Mechanical Engineer, you will be responsible for ensuring ... Having knowledge/understanding of Nuclear commercial grade dedication (CDG) principles and ...

Sr. Mechanical Engineer

Round Rock, TX · On-site

$94K - $110K/yr

  • Medical

  • Retirement

  • PTO

Senior Mechanical Engineer As a Senior Mechanical Engineer, you will be responsible for ensuring ... Having knowledge/understanding of Nuclear commercial grade dedication (CDG) principles and ...

NY · On-site

$90 - $130/hr

... in Mechanical Engineering from an accredited university or college * Minimum of 5 years of experience in mechanical design and drafting practices (2D drawings, 3D modeling) * Nuclear industry ...

Senior Mechanical Engineer

Madison, WI

$105K - $139K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Senior Mechanical Engineer will work closely with Realta's engineering and scientific teams to ... Education: BS in Mechanical Engineering, Nuclear Engineering, or a related field, plus 5-8 years ...

Senior Mechanical Engineer

Madison, WI · On-site

$105K - $139K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Senior Mechanical Engineer will work closely with Realta's engineering and scientific teams to ... Education: BS in Mechanical Engineering, Nuclear Engineering, or a related field, plus 5-8 years ...

Senior Mechanical Engineer

Madison, WI · On-site

$105K - $139K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

The Senior Mechanical Engineer will work closely with Realta's engineering and scientific teams to ... Education: BS in Mechanical Engineering, Nuclear Engineering, or a related field, plus 5-8 years ...

Showing results 21-40

Senior Mechanical Engineer Nuclear information

See salary details

$74.5K

$122.6K

$171K

How much do senior mechanical engineer nuclear jobs pay per year?

As of Aug 13, 2026, the average yearly pay for senior mechanical engineer nuclear in the United States is $122,564.00, according to ZipRecruiter salary data. Most workers in this role earn between $104,500.00 and $138,000.00 per year, depending on experience, location, and employer.

What is the difference between Senior Mechanical Engineer Nuclear vs Mechanical Engineer Nuclear?

AspectSenior Mechanical Engineer NuclearMechanical Engineer Nuclear
Required CredentialsBachelor's degree in Mechanical Engineering, PE license often preferred, relevant certificationsBachelor's degree in Mechanical Engineering, some roles may require or prefer PE license or certifications
Work EnvironmentDesign, oversight, project management in nuclear facilities, leadership rolesDesign, analysis, testing in nuclear power plants or related facilities, technical focus
Employer & Industry UsageUtilities, nuclear plant operators, engineering firmsUtilities, nuclear industry, engineering consulting firms

The main difference between a Senior Mechanical Engineer Nuclear and a Mechanical Engineer Nuclear lies in experience, responsibilities, and leadership. Senior roles typically involve project oversight, mentorship, and advanced technical expertise, while Mechanical Engineers focus on technical tasks and support roles within nuclear projects.

More about Senior Mechanical Engineer Nuclear jobs

What cities are hiring for Senior Mechanical Engineer Nuclear jobs?

Cities with the most Senior Mechanical Engineer Nuclear job openings:

What are the most commonly searched types of Mechanical Engineer Nuclear jobs?

The most popular types of Mechanical Engineer Nuclear jobs are:

What states have the most Senior Mechanical Engineer Nuclear jobs?

States with the most job openings for Senior Mechanical Engineer Nuclear jobs include:

Infographic showing various Senior Mechanical Engineer Nuclear job openings in the United States as of August 2026, with employment types broken down into 90% Full Time, 7% Part Time, 2% Contract, and 1% Nights. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $122,564 per year, or $58.9 per hour.

Mechanical Engineer - Nuclear

Hatch

Houston, TX • Hybrid

Full-time

Re-posted 24 days ago


Job description

Requisition ID: 99765 

Job Category: Energy 

Location: Houston, TX, United States 
 

Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 70 years of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you.

Our energy expertise in the oil and gas sector comprises the entire value chain - upstream, midstream, and downstream; and in the power sector includes thermal, nuclear, waterpower, renewable, hybrid, transmission and distribution, and grid modernization. Join our vision of a low-carbon world and help make positive change!


 

Hatch is currently seeking a highly motivated Senior Mechanical Engineer – Nuclear to join our team in the United States.
In the nuclear sector, we are busier than ever. Our teams are developing first‑of‑a‑kind programs in fusion energy development, small and advanced modular reactor design, nuclear sustainability for waste processing and volume reduction, and transformation of the long‑term storage landscape, to name just a few.
If you are an entrepreneur with a technical soul, we want to hear from you. Join our team and help make a consequential difference.
You will be part of our nuclear group, where we ensure world‑class project delivery through the skills of our people, methodologies, governance, and systems.

As a successful candidate, you will:
•    Perform mechanical and piping engineering functions within multidisciplinary teams across nuclear and other sectors.
•    Assist project teams in understanding project requirements related to scope, execution strategy, cost, and schedule.
•    Ensure delivery of project requirements related to scope, cost, and schedule while following the Nuclear Quality Management System (NQMS).
•    Support site field visits to obtain information and data in support of projects.
•    Prepare, support, and review equipment identification and selection activities, including sizing, layout, technical specifications, and vendor information reviews.
•    Prepare, support, and review piping system design activities, including hydraulic analysis, piping and instrumentation diagram (P&ID) development, material specification development, stress analysis, and layout.
•    Support the population of information and attributes into the data‑centric project environment.
•    Interface with vendors throughout the design and procurement process.
•    Support direct interfaces with clients throughout the project lifecycle.
•    Participate in HAZOP reviews.
•    Assist in the resolution of engineering issues during the project lifecycle, including planning, design, procurement, fabrication, construction, and commissioning phases.
•    Promote and maintain the application of ethical and professional practices in the execution of engineering work.
•    Adhere to and promote the Hatch corporate safety culture.
•    Support Hatch business development efforts and strategic initiatives, including the preparation of proposals and pursuit plans for the nuclear industry. 

You bring to the role:
•    Bachelor of Science degree in Mechanical Engineering from an accredited university.
•    Approximately 7–10 years of engineering experience.
•    Strong deliverable focus with the ability to plan your work effectively.
•    Ability to learn and understand inter‑discipline dependencies related to mechanical and piping engineering functions.
•    Exposure to procurement, contracting, and commissioning methodologies.
•    Experience working in pressurized water reactor (PWR) and boiling water reactor (BWR) plants.
•    Experience working with advanced Generation IV reactors (HTGRs, sodium‑cooled reactors, molten salt reactors, etc.) is desirable.
•    Experience working within a nuclear quality management system (ASME NQA‑1).
•    Sound knowledge of codes and standards applicable to the nuclear industry.
•    Well‑developed communication, negotiation, and interpersonal skills.
•    Ability to communicate complex technical information clearly to clients, regulators, vendors, and multidisciplinary project teams.
•    Professional Engineer (PE) license or Engineer‑in‑Training (EIT) status is preferred.
•    Site experience in a technical role is preferred.
•    Eligibility to work on export‑controlled projects subject to 10 CFR 810.
•    Ability to travel for short-term business trips domestically and internationally 

Why join us?

  • Work with great people to make a difference
  • Collaborate on exciting projects to develop innovative solutions
  • Top employer


What we offer you?

  • Flexible work environment
  • Long term career development
  • Think globally, work locally

Don't meet every single requirement? You don't need to. At Hatch, we are building a diverse, inclusive workplace that fosters innovation. If you're interested in this role, we encourage you to apply even if your past experiences don't perfectly align with the skills we've listed.

We're committed to fostering a workforce that reflects the diversity of the communities in which we operate and serve. Hatch is an Equal Opportunity Employer that considers applicants without regard to age, race, color, national origin, citizenship, religion, creed, gender, sexual orientation, marital status, disability, veteran, or any other protected status. If you have any accommodation requirements, please let us know. We'll do our best to meet your needs in accordance with applicable local legislation.

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