Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Mechanical Engineer - Nuclear

Hatch LLC

Mechanical Engineer - NuclearApply now »

Apply now

  • Apply Now

  • Start apply with LinkedIn

Start

  • Please wait...

Date:Aug 18, 2026

Location: Pittsburgh, PA, US

Company: Hatch

Requisition ID: 100293

Job Category: Energy

Location: Pittsburgh, PA, 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 inmining ( ,energy ( , andinfrastructure ( , our10,000 colleagues ( in150 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 withgreat people ( to make a difference

  • Collaborate on excitingprojects ( 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 thediversity ( of thecommunities ( 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.

#LI-BR1

Nearest Major Market:Pittsburgh Job Segment: Nuclear Engineering, Sustainability, Nuclear, Mechanical Engineer, Thermal Engineering, Engineering, Energy

Apply now »

Apply now

  • Apply Now

  • Start apply with LinkedIn

Start

  • Please wait...
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Mechanical Engineer - Nuclear in Pittsburgh, PA vacancy
  • The Naval Nuclear Laboratory (NNL) New Fuel and Exams unit is seeking a mechanical engineer to join our team. The newest team member will formulate design solutions to complex problems, may complete finite element analyses (FEA), and will conduct analytical assessments... 
    Suggested

    Naval Nuclear Laboratory

    West Mifflin, PA
    3 days ago
  • Navarro Research in West Mifflin, PA, is seeking a Mechanical Engineer with a strong background in materials engineering and design. Candidates should possess a relevant BS/MS degree and have proven experience in leading test programs. This role involves innovative repair... 
    Suggested

    Navarro Research

    West Mifflin, PA
    3 days ago
  • Naval Nuclear Laboratory (FMP) is seeking a Principal Engineer to provide technical oversight and leadership for the manufacture of nuclear reactor core components across multiple naval programs. You will resolve complex technical issues, drive process improvements, and... 
    Suggested

    Naval Nuclear Laboratory (FMP)

    West Mifflin, PA
    2 days ago
  • Job Description Job ID#: 5527 Job Category: ENGINEERS Position Type: Permanent Full Time Duration: DirectTechnical Solutions Inc...  ...site investigation to document the existing condition of mechanical systems within the project area.Perform heating and cooling load... 
    Suggested
    Permanent employment
    Full time
    Work at office

    Technical Solutions

    Pittsburgh, PA
    4 days ago
  • $123.6k - $170k

     ...experienced, high-energy, HVAC Designer to join our Building Mechanical team and help deliver innovative HVAC design solutions for our...  ...heavy industrial clients. You will work alongside our team of engineers and designers performing field investigations, interfacing with... 
    Suggested
    Full time
    Work at office
    Remote work

    Jacobs

    Pittsburgh, PA
    3 days ago
  •  ...onsite role in Marietta, OH. DESCRIPTION:Join our Refrigeration Engineering team and contribute to innovation that enables customers to...  ...Development & Cross-Functional CollaborationCollaborate with mechanical, electrical, and controls engineering teams through all... 
    Full time
    For contractors

    Thermo Fisher Scientific

    Pittsburgh, PA
    1 day ago
  • $110k - $120k

     ...experiences and welcome all qualified individuals to apply.Job SummaryBattelle is seeking a Principal Quality Engineer to serve as a technical authority for nuclear Quality Assurance (QA) across advanced reactor development programs. This role provides QA support for next... 
    Work experience placement
    Work at office
    Local area
    Remote work
    Relocation
    Flexible hours

    Battelle Memorial Institute

    Pittsburgh, PA
    13 hours ago
  •  ...a decade. As a result, our national Power Generation team is poised for monumental growth. We are seeking a qualified Senior Mechanical Engineer to help our clients develop, contract, and implement natural gas and potentially renewable energy generation projects while serving... 
    Contract work
    Work at office

    HDR

    Pittsburgh, PA
    4 days ago
  •  ...and in the power sector includes thermal, nuclear, waterpower, renewable, hybrid,...  ...positive change! Hatch is seeking an Engineer with an experience in Nuclear Energy and...  ...initiatives  Education and Experience: ~ Mechanical, Chemical, or Nuclear Engineering... 
    Full time
    Work experience placement
    Work at office
    Local area
    Flexible hours

    Hatch

    Pittsburgh, PA
    a month ago
  • $92k - $151.8k

     ...Job Description POSITION SUMMARY: Remington and Vernick is seeking a licensed Professional Engineer (PE) with a minimum of 8 years of experience in HVAC/mechanical, plumbing, and fire protection systems design , including fire alarm systems, to join our growing... 
    Full time
    Temporary work
    For contractors
    Local area

    Remington & Vernick Engineers

    Pittsburgh, PA
    17 days ago
  •  ...Job Details: My client is a top notch Consulting Engineering firm that is actively seeking both HVAC Senior Designers and HVAC Mechanical Engineers for MEP Consulting projects.   Autocad and REVIT a plus.  You will be involved with the MEP team doing design, production... 

    Liberty Personnel Services, Inc.

    Pittsburgh, PA
    6 days ago
  •  ...how you could help make great things possible not only in your community, but around the world. HDR is seeking a Senior Mechanical/Process Engineer to support our growing portfolio of liquified natural gas (LNG), industrial gas, and hydrocarbon infrastructure projects... 
    For contractors
    Work at office

    HDR

    Pittsburgh, PA
    13 hours ago
  • The Naval Nuclear Laboratory (NNL) invites engineers to join the Fleet Reactor Mechanical organization to support FORD/NIMITZ-class aircraft carriers and submarines. You’ll work on reactor core analysis, heavy equipment, and fuel lifecycle challenges across construction... 

    Naval Nuclear Laboratory (FMP)

    West Mifflin, PA
    3 days ago
  •  ...Job Description Job Description Mechanical Engineer **Qualifications Needed:** - Bachelor's degree is preferred; however, those with technician experience in the HVAC field or sheet metal are encouraged to apply. - Experience in selling mechanical airflow or... 
    Work at office

    Liberty Personnel Services, Inc

    Pittsburgh, PA
    2 days ago
  •  ...Maintenance Engineer This role will work under the Local 95 Union Typically, M-F daylight hours The maintenance engineer is responsible...  ...years' experience working as a stationary engineer or an HVAC mechanic is required. Building management system (DDC) knowledge... 
    Local area
    Shift work
    Weekend work

    UPMC

    Pittsburgh, PA
    5 days ago
  •  ...Instrumentation & Controls Engineer - NuclearApply now » Apply now Apply Now Start...  ...in the power sector includes thermal, nuclear, waterpower, renewable, hybrid, transmission...  ...to the role: • B.Sc. or B.Eng. in Mechanical, Electrical, or Chemical Engineering from... 
    Temporary work
    Local area
    Flexible hours

    Hatch LLC

    Pittsburgh, PA
    3 days ago
  •  ...Mechanical Manufacturing Engineer Intern Thar Energy, LLC is part of the broader Thar organization founded in 1990. Thar organization has been a global leader in the use of green, all natural, supercritical fluid processing for the energy, pharmaceutical, food, and... 
    Internship
    Work at office
    Immediate start

    Thar Energy

    Pittsburgh, PA
    4 days ago
  •  ...meaningful work where you can make a difference in global innovation? Engineer a better future with Aerotech, a global leader in precision...  ...100% company-paid Employee Stock Ownership Trust If you're mechanically inclined or technically savvy with a passion for cutting-edge... 

    AeroTech

    Pittsburgh, PA
    4 days ago
  •  ...We are looking for a HVAC Controls Sales Engineer in our Pittsburgh, Pa office. The position will be developing new and existing accounts...  ...to review. Service the existing customers within the Tudi Mechanical customer maintenance base. Aggressively develop new... 
    For contractors
    Work at office
    Flexible hours

    Tudi Mechanical Systems

    Pittsburgh, PA
    3 days ago
  •  ...HVAC Controls Sales Engineer We are looking for a HVAC Controls Sales Engineer in our Pittsburgh, Pa office. The position will be...  ...to review. Service the existing customers within the Tudi Mechanical customer maintenance base. Aggressively develop new customers... 
    Work at office

    TUDI

    Pittsburgh, PA
    3 days ago
  • $76.2k - $127k

    We are looking for a Mechanical Design Engineer to join our Pittsburgh (Cheswick) location. Your Responsibilities:Designs and analyzes electro-...  ...machining solutions for the United States Navy and the commercial nuclear utility industry. At this facility we have a flexible work... 
    Full time
    Work experience placement
    Work from home
    Flexible hours

    Curtiss-Wright

    Pittsburgh, PA
    4 days ago
  • At the National Robotics Engineering Center (NREC), it is our engineers and technicians who drive the breakthroughs that define our success...  ...fabrication of prototype parts for robots.Assemble and test mechanical and electrical/electronic assembliesDocument analysis, design... 
    Full time
    Work experience placement
    Flexible hours

    Carnegie Mellon University

    Pittsburgh, PA
    5 days ago
  •  ...firm, we are dedicated to connecting talented professionals with your ideal opportunities. We are currently seeking a qualified Mechanical Engineer to join our client’s organization and contribute to their ongoing success. Job summary As a Mechanical Engineer, you will be... 

    OpenArc

    Pittsburgh, PA
    4 days ago
  •  ...DetailExperience Level Mid LevelDegree Type Bachelor of Science in Mechanical EngineeringEmployment Full TimeWorking Type HybridJob...  ...impactful HVAC designs in a hybrid work environment. Advance your engineering expertise while collaborating with a dynamic team. Gain... 
    Remote work

    Green Key Resources

    Pittsburgh, PA
    4 days ago
  • The National Robotics Engineering Center is seeking a dynamic Mechanical Engineer to contribute to the design of groundbreaking robotics systems. The candidate will contribute to robot design, fabrication, assembly, and testing with a solid application of mechanical engineering... 
    Full time
    Part time
    Work experience placement
    For subcontractor

    Carnegie Mellon University

    Pittsburgh, PA
    1 day ago
  • $170k - $250k

     ...environmental control systems. They are vertically positioned in the market to control the entire sales process - from design and engineering to manufacturing and sales. Their company flow allows them to ensure proper quality control, faster than competitors turnaround... 
    Permanent employment
    Contract work
    For contractors
    Local area

    Michael Page

    Pittsburgh, PA
    1 day ago
  • $104k - $123k

     ...to elevate design, push boundaries and create a more resilient future. The Pittsburgh office of SmithGroup is looking for a Mechanical Engineer to join our team. Working with us, you will:Perform analysis, design and documentation of heating, ventilating and air conditioning... 
    For contractors
    Work at office
    Local area

    SmithGroup

    Pittsburgh, PA
    2 days ago
  •  ...to learn how you could help make great things possible not only in your community, but around the world.In the role of Senior Mechanical Engineer (Pipe Stress), we'll count on you to:Perform pipe stress analysis and piping design for projects and prepare reports on the... 
    Contract work
    Work at office

    HDR

    Pittsburgh, PA
    2 days ago
  •  ...further to learn how you could help make great things possible not only in your community, but around the world.HDR Engineering is currently seeking a Mechanical/Senior Mechanical Engineer to join one of the largest, fastest growing, and comprehensive TMT (Tech, Media and... 
    Contract work
    For contractors

    HDR

    Pittsburgh, PA
    3 days ago
  • ENTRUST Solutions Group is seeking a dynamic Design Engineer II to join our team. In this role, you will engage in a variety of engineering...  ...lifecycle.REQUIRED QUALIFICATIONS:Bachelor’s degree in mechanical engineering from accredited institution Minimum 1 year of work... 
    Full time
    Work experience placement
    Flexible hours

    EN Engineering

    Pittsburgh, PA
    4 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Mechanical Engineer - Nuclear. Be the first to apply!