Mechanical Engineer (Vessels & Structures)

Corvallis, OR

Apply Apply with LinkedIn
Save

Type: Contract

Experience: 0

Category: Engineering

Contractor Work Model: Remote

Brand: System One

Job ID: 378457

Date Posted: 08/18/2026

Shortcut: http://jobs.systemone.com/05wdqf


Job Title: Mechanical Engineer (Vessels & Structures)
Location: Corvallis, OR
Type: Contract

Responsibilities

  • Perform design and stress analyses of pressure vessels and primary equipment supports in accordance with ASME BPVC Section III and applicable regulatory requirements.
  • Generate technical requirements and design parameters for NSSS components of a modular advanced light water reactor (ALWR).
  • Utilize proven methodologies to ensure NSSS components meet industry standards and safety regulations.
  • Conduct evaluations of components for pressure, mechanical/thermal loadings, including Primary Stress, Fatigue, and stress intensity ranges.
  • Use ANSYS finite element software and CAD packages for stress analysis and design optimization.
  • Provide guidance and mentoring to junior engineers and serve as a technical lead within the NSSS Component Engineering organization.
  • Coordinate with multidisciplinary teams to resolve technical issues and improve design processes.
  • Participate in review and approval of engineering documents and reports.
  • Ensure compliance with ASME NQA-1 quality assurance requirements and NRC guidelines.
Requirements
  • A minimum of a B.S. degree in Engineering, preferably Mechanical Engineering, from an ABET-accredited college or university.
  • At least 10 years of full-time relevant engineering experience, specifically utilizing ANSYS for stress analysis per ASME BPVC Section III.
  • Proficiency with ANSYS finite element software and CAD packages.
  • Experience with computer programming languages such as ANSYS APDL, Matlab, or Python is preferred.
  • Eligible to work under Department of Energy 10 CFR Part 810.
  • Strong knowledge of industry codes, standards, and regulations related to nuclear pressure vessel design and analysis.
  • Excellent problem solving, communication, planning, and leadership skills.
  • Ability to work independently and within multidisciplinary teams, managing large projects with minimal oversight.
  • Physical ability to communicate effectively, learn new concepts quickly, and travel as needed.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M-
#LI-

  • Mechanical System Design Engineer

    Corvallis, OR

    Job Title: Mechanical System Design Engineer Location: Corvallis, OR Type: Direct Hire Responsibilities Perform mechanical engineering assignments related to the design, inspection, and testing of nuclear steam supply system (NSSS) components in accord...

    Date Posted: 08/18/2026 Recommended

  • Radiological Engineer

    Corvallis, OR

    Radiological Engineering Analyst (Contract) Location: Remote (Contiguous U.S.) Duration: Contract Schedule: Full-time, 40 hours/week Position Summary System One is seeking an experienced Radiological Engineering Analyst to support advanced nuclear engi...

    Date Posted: 07/06/2026 Recommended

  • Senior Structural Analyst

    Bellevue, Washington

    Senior Structural Analyst Location: Remote Company: System One Pay Rate: $56.00–$95.00/hour Position Type: Long-Term Contract Position Overview System One is seeking an experienced Senior Structural Analyst to support the design and development of adva...

    Date Posted: 07/27/2026 Recommended

  • Senior Mechanical Engineer (Vessels)

    Bellevue, WA

    Job Title: Senior Mechanical Engineer (Vessels) Location: Bellevue, WA Type: Contract Compensation: $69.00 - $115.00 Contractor Work Model: Remote – offsite Hours: 40.0 Overview System One is seeking a Senior Mechanical Engineer to create design soluti...

    Date Posted: 08/17/2026 Recommended

  • System Design Engineer, EM Pump

    Bellevue, WA

    Job Title: System Design Engineer, EM Pump Location: Bellevue, WA Type: Contract Compensation: $69.00 - $115.00 Work Model: Remote – offsite Hours: 40.0 Overview: System One is seeking an experienced System Design Engineer to support the design, fabric...

    Date Posted: 07/29/2026 Recommended

  • Mechanical Engineer

    Pittsburgh, PA

    Job Title: Mechanical Engineer Location: Pittsburgh, PA Overview We are seeking a hands-on Mechanical Engineer to support the design, development, fabrication, assembly, and testing of advanced electromechanical systems and robotic technologies. This r...

    Date Posted: 08/11/2026 Recommended

  • Principal Mechanical Engineer

    Charlotte, NC

    Job Title: Principal Mechanical Engineer Location: Charlotte, NC Type: Direct Hire Compensation: $165,000.00 - $210,000.00 Work Model: Onsite – onsite Responsibilities • Serve as Mechanical Lead on EPC power and industrial projects • Lead mechanical de...

    Date Posted: 08/18/2026 Recommended

  • Mechanical Engineer

    Pittsburgh, Pennsylvania

    For immediate consideration, please connect with me on LinkedIn at https://www.linkedin.com/in/dpotapenko and then email your resume, work authorization status, current location, availability, and compensation expectations directly to denis.potapenko@s...

    Date Posted: 08/13/2026 Recommended

  • Senior Mechanical Engineer

    Salt lake city, Utah

    Job Title: Senior Mechanical Engineer Location: Salt Lake City, Utah Type: Contract To Hire Compensation: $67.30 - $79.32 per hour Work Model: Hybrid – onsite and remote Hours: 40.0 Responsibilities Lead the mechanical design and technical execution of...

    Date Posted: 07/08/2026 Recommended

  • Project Engineer, Nuclear QA

    Corvallis, OR

    Job Title: Project Engineer, Nuclear QA Location: Corvallis, OR Type: Direct Hire Work Model: Remote – offsite Responsibilities: Support company/client projects by representing quality assurance in planning, coordination, and project execution related ...

    Date Posted: 08/12/2026 Recommended

  • Senior Mechanical Engineer ASME Lead

    Bellevue, WA

    Senior Mechanical Engineer – ASME Lead (Contract) Remote | Long-Term Contract $69-$115/hr System One is seeking a Senior Mechanical Engineer – ASME Lead to support the design and development of advanced nuclear reactor systems. This role will focus on ...

    Date Posted: 06/22/2026 Recommended

  • Senior Mechanical Design Engineer

    Bellevue, WA

    Job Title: Senior Mechanical Design Engineer Location: Bellevue, WA Type: Contract Compensation: $52.00 - $85.00 Onsite work model, remote work model available for exceptionally qualified non-local candidates. Responsibilities: Coordinate and utilize i...

    Date Posted: 08/12/2026 Recommended

  • Mechanical Engineer

    Salt lake city, Utah

    Job Title: Mechanical Engineer Location: Salt lake city, UT Type: Contract To Hire Compensation: $52.88 - $67.3 Work Model: Hybrid – onsite and remote Hours: 40.0 Responsibilities Lead the mechanical engineering and design execution of industrial proje...

    Date Posted: 07/08/2026 Recommended

  • Mechanical Engineer (mid-level)

    Hookstown, PA

    Job Title: Mechanical Engineer (mid-level) Location: Hookstown, PA Type: Contract Compensation: $52.00 - DOE Contractor Work Model: Onsite – onsite Hours: 40 hours/week Security Clearance: Must be a US Citizen due to Nuclear restrictions Overview Syste...

    Date Posted: 07/24/2026 Recommended

  • Mechanical Engineer III

    Perry, OH

    Job Title: Mechanical Engineer III Location: Perry, OH Type: Contract Compensation: $52.00 - DOE Contractor Work Model: Onsite – onsite Hours: 40 hours/week Security Clearance: Must be a US Citizen due to Nuclear restrictions Overview System One is e a...

    Date Posted: 06/22/2026 Recommended

  • Mechanical Engineer (mid-level)

    Oak Harbor, OH

    Job Title: Mechanical Engineer (mid-level) Location: Oak Harbor, OH Type: Contract Compensation: $52.00 - DOE Contractor Work Model: Onsite – onsite Hours: 40 hours/week Security Clearance: Must be a US Citizen due to Nuclear restrictions Overview Syst...

    Date Posted: 07/24/2026 Recommended

  • Senior Mechanical Design Engineer

    Bellevue, WA

    Job Title: Senior Mechanical Engineer Location: Bellevue, WA Type: Contract Contractor Work Model: Remote – offsite Hours: 40.0 Responsibilities Design reactor structures and components from concept through final design. Develop equipment and component...

    Date Posted: 07/30/2026 Recommended

  • Primary Heat Transfer (PHT) Component Engineer

    Bellevue, WA

    Job Title: Primary Heat Transfer (PHT) Component Engineer Location: Bellevue, WA Type: Contract Work Model: Remote – offsite Overview System One is seeking a highly capable and motivated Primary Heat Transfer Component Engineer to support the developme...

    Date Posted: 08/12/2026 Recommended

  • Senior Mechanical Design Engineer

    Bellevue, Washington

    Senior Mechanical Design Engineer (Core Components) Location: Bellevue, WA Job Type: Contract - Remote Schedule: 40 hours/week System One is seeking a highly motivated Senior Mechanical Design Engineer (Core Components) to support the design and develo...

    Date Posted: 07/29/2026 Recommended

  • Pipe Stress Engineer

    Naperville, IL

    Job Title: Pipe Stress Engineer Location: Remote Type: Contract Overview System One has an exciting opportunity for Pipe Stress Engineer to support commercial nuclear projects. Responsibilities Perform stress analyses for client projects involving modi...

    Date Posted: 06/17/2026 Recommended

  • Mechanical Design Engineer

    Tulsa, OK

    Job Title: Mechanical Design Engineer Location: Tulsa, OK Type: Direct Hire Compensation: $100,000.00 - $125,000.00 Contractor Work Model: Onsite Hours: 40.0 Mechanical Design Engineer We are seeking a Mechanical Design Engineer to support product deve...

    Date Posted: 08/05/2026 Recommended

  • Design Engineer II

    Seminole, OK

    Job Title: Design Engineer II Location: Seminole, OK Type: Direct Hire Work Model: Onsite Responsibilities Design new product and support all phases of the product lifecycle, including development, testing, and manufacturing. Analyze customer requireme...

    Date Posted: 08/12/2026 Recommended

  • Plant Integration Engineer – Steam & Power Systems

    Bellevue, Washington

    Job Title: Plant Integration Engineer – Steam & Power Systems Location: Bellevue, WA Type: Contract Compensation: $56.00 - $96.00 per hour Work Model: Onsite – onsite Overview Responsibilities Provide technical integration and oversight for Energy Isla...

    Date Posted: 07/08/2026 Recommended

  • Principal Engineer, Plant Design Integration

    Bellevue, WA

    Job Title: Principal Engineer - Plant Design Integration Location: Bellevue, WA Type: Contract Compensation: $69.00 - $116.00 Work Model: Remote – offsite Overview System One is seeking an experienced Plant Design Integration Engineer to support the de...

    Date Posted: 07/29/2026 Recommended

  • Intermediate Capital Cost Estimator (Mechanical)

    Greentree, PA

    Intermediate Capital Cost Estimator (Mechanical) Greentree, PA, United States Responsibilities Develop accurate cost estimates for mechanical equipment, piping, HVAC, and structural components for industrial manufacturing and Food & Beverage projects. ...

    Date Posted: 08/12/2026 Recommended

  • Process Design Engineer - Vapor

    Tulsa, OK

    Job Title: Process Design Engineer Location: Tulsa, OK Work Model: Onsite Hours: Onsite 5 days M-F 8am-5pm Responsibilities Size and specify equipment such as pumps, blowers, compressors, pressure relief valves, and heat exchangers Develop P&ID’s, data...

    Date Posted: 08/07/2026 Recommended

  • Project Fabrication Oversight, Supply Chain

    Bellevue, WA

    Job Title: Project Fabrication Oversight, Supply Chain Location: Bellevue, WA Type: Contract Compensation: $56.00 - $95.00 Work Model: Remote – offsite Hours: 40.0 Overview System One is seeking an experienced Fabrication Oversight professional. This p...

    Date Posted: 08/12/2026 Recommended

  • Maintenance Integration Engineer

    Bellevue, WA

    Job Title: Maintenance Integration Engineer Location: Bellevue, WA Type: Contract Compensation: $52.00 - $85.00 Work Model: Remote – offsite Hours: 40.0 System One is seeking an experienced Maintenance Integration Engineer to support the integrated des...

    Date Posted: 08/04/2026 Recommended

  • Mechanical Designer

    Houston , Texas

    Mechanical Designer Location: North Houston, TX (77032) Position Type: Contract-to-Hire Compensation: $75,000 / year Position Overview We are seeking a Mechanical Designer to join our client's engineering team in North Houston. This role focuses on des...

    Date Posted: 08/07/2026 Recommended

  • Nuclear Valve Project Engineer

    Spartanburg, SC

    Job Title: Project Engineer / Job Coordinator Location: Spartanburg, SC Type: Direct Hire Contractor Work Model: Onsite – onsite Overview System One is hiring a full-time Project Engineer / Job Coordinator local to the Spartanburg, SC area who will sup...

    Date Posted: 06/02/2026 Recommended