Mechanical Engineer 5 (Nuclear Steam Supply System Piping & Integration)
Corvillas, OR
Experience: 15
Education: BS
Category: Energy
Contractor Work Model: Remote
Brand: System One
Job ID: 346829
Date Posted: 03/06/2026
Shortcut: http://jobs.systemone.com/LXvxlZ
Job Title: Mechanical Engineer 5 (Nuclear Steam Supply System Piping & Integration)
Location: Corvillas, OR
Type: Direct Hire
Work Model: Remote with travel to
client’s physical offices as needed.
System One is seeking a Mechanical Engineer for a direct-hire, full-time position. The successful candidate must have Subject Matter Expertise in one or more of the following areas:
- Engineering design and piping stress engineering analysis in the nuclear industry.
- Bentley AutoPIPE or other comparable pipe analysis code.
- ASME Section III Class 1, 2, and 3 piping systems (NB/NC/ND-3600) and/or piping supports (NF).
- Minimum of 15 years of highly relevant, full-time engineering experience
- PE License in Mechanical or Nuclear Engineering
- Certifying Engineer experience to ASME BPVC Section III
This role performs design and analysis of Nuclear Steam Supply System (NSSS) piping systems in accordance with ASME BPVC Section III and applicable regulatory requirements. The position is part of the NSSS design engineering organization, which generates technical requirements and associated design parameters for the modular advanced light water reactor (ALWR) NSSS. Utilizing proven, state-of-the-art methodologies, NSSS components are engineered to nuclear industry standards. All work within the NSSS design organization is completed under ASME NQA-1 quality assurance requirements and applicable U.S. Nuclear Regulatory Commission guidelines.
RESPONSIBILITIES:
- Performs complex piping design and stress analysis of ASME BPVC Section III Class 1, 2, and 3 piping systems using the Bentley AutoPIPE computer program in accordance with the requirements of NB, NC, ND-3600, respectively.
- Performs piping design and stress analysis of ASME BPVC Section III Class 1, 2, and 3 piping components using the ANSYS computer program in accordance with the requirements of NB-3200.
- Performs pipe support design and stress analysis of ASME BPVC Section III NF supports using hand calculations or ANSYS computer program.
- Performs static and dynamic analysis including response spectrum and time history analysis to calculate stresses due to deadweight, thermal expansion, thermal gradients, seismic events, and fluid transients.
- Prepare and review engineering specifications, drawings, CAD models, and other documentation that communicate the design and technical aspects of piping components associated with NSSS systems. The development of Drawings and CAD models is based on collaboration with drafters and requires the engineer to review models that have been developed in Siemens NX.
- Leads the evaluation of design solutions (piping re-route, reconfigurations of supports, etc) which satisfy piping stress criteria.
- Works on complex tasks in multiple and diverse areas.
- Interprets scope and project requirements.
- Acquires, maintains and develops training qualifications.
- Performs other duties as assigned.
- Provides oversight and mentoring to early career engineers in the area of piping stress analysis and/or pipe support analysis.
- Certifies design specification for ASME BPVC Section III Piping and/or Piping Supports
MINIMUM SKILLS, QUALIFICATIONS AND ABILITIES:
- Education/Certification: A minimum of a B.S. degree in Engineering, preferably Nuclear or Mechanical Engineering, from a four year ABET accredited college or university is required. Advanced degree is preferred. PE License in Mechanical or Nuclear Engineering is required. Certifying Engineer experience to ASME BPVC Section III is required.
- Experience: Minimum of 15 years of highly relevant, full-time engineering experience is required. Experience with the qualification of piping systems including ball joints is desirable. Subject Matter Expertise in one or more of the following areas:
- Engineering design and piping stress engineering analysis in the nuclear industry.
- Bentley AutoPIPE or other comparable pipe analysis code.
- ASME Section III Class 1, 2, and 3 piping systems (NB/NC/ND-3600) and/or piping supports (NF).
- Industry Requirements: Eligible to work under Department of Energy 10 CFR Part 810.
System One, and its subsidiaries including Joulé, ALTA IT Services, 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-
#DI-
Ref: #161-Managed Staffing Charlotte
-
Mechanical Engineer 4 (NSSS Piping & Integration)
Corvillas, OR
Job Title: Mechanical Engineer 4 (NSSS Piping & Integration) Location: Corvillas, OR Type: Direct Hire Compensation: $127104 - $153401 annually Contractor Work Model: Remote with travel to the client's physical offices as needed. System One is hiring a...
Date Posted: 03/11/2026 Recommended
-
Senior Nuclear Mechanical / Structural Engineer (Reactor Analysis )
Cranberry Township , Pennsylvania
Job Title: Senior Nuclear Mechanical / Structural Engineer (Reactor Analysis ) 3 positions Location: Cranberry Township , Pennsylvania Contractor Work Model: Onsite Length of the assignments: 6 months to 2 years Start date: May 2026 LOCAL CANDIDATE PRE...
Date Posted: 03/18/2026 Recommended
-
Mechanical Engineer
Glenshaw, Pennsylvania
Job Title: Mechanical Engineer Location: Glenshaw, PA Type: Direct Hire Compensation: 100-120K Contractor Work Model: On site Objective Execute mechanical engineering assignments involving specifications, calculations, reports, and project studies for ...
Date Posted: 02/18/2026 Recommended
-
Mechanical Engineer 4 - Nuclear Steam Supply System (NSSS)
Corvillas, OR
Job Title: Mechanical Engineer 4 - Nuclear Steam Supply System (NSSS) Location: Corvillas, OR Type: Contract Contractor Work Model: Remote Hours: 40.0 Overview System One is seeking a Mechanical Engineer to support our client's Nuclear Steam Supply Sys...
Date Posted: 03/16/2026 Recommended
-
Mechanical Stress Analysis Engineer (RES)
Bellevue, WA
Reactor Enclosure System (RES) Mechanical Stress Analysis Engineer – Contract Location: Remote Pay Rate: $52–$85 per hour Contract Length: 6-month contract with possible extension Position Overview System One is seeking an experienced Reactor Enclosure...
Date Posted: 01/05/2026 Recommended
-
Instrumentation & Controls (I&C) Design Engineer
Bellevue, WA
I&C Design Engineer Company: System One Location: Remote Pay Rate: $69 – $115 per hour (based on experience) Job Type: Contract Duration: Long-Term Contract Position Overview System One is seeking an experienced Instrumentation & Controls (I&C) Design ...
Date Posted: 03/09/2026 Recommended
-
Plant Radiological Integration Engineer
Bellevue, WA
Job Title: Plant Radiological Integration Engineer Location: Bellevue, WA Type: Contract Compensation: $69 - $115 hourly System One is seeking a Plant Radiological Integration Engineer to support our client’s advanced nuclear reactor project. This role...
Date Posted: 03/12/2026 Recommended
-
Environmental and Seismic Engineer
Oak Ridge, Tennessee
Environmental & Seismic Engineer – Oak Ridge, TN Type: Direct Hire Work Model: Onsite System One is seeking an experienced Environmental and Seismic Engineer to support nuclear facility programs in Oak Ridge, TN. This role is essential to ensuring safe...
Date Posted: 03/02/2026 Recommended
-
I&C Design Engineer Lead
Bellevue, WA
System One is seeking an experienced Instrumentation & Controls (I&C) Design Engineer to support advanced nuclear reactor development. This contract position supports system design, prototype development and testing, plant-level system integration, and...
Date Posted: 02/23/2026 Recommended
-
Stationary Engineer III
Tulsa , Oklahoma
Job Title: Stationary Engineer III Location: Tulsa, Oklahoma This position reports directly to the Manager of Central Plant Operations and is responsible for performing routine and emergency tasks involving the operation, maintenance, and repair of hea...
Date Posted: 03/05/2026 Recommended
-
Senior Engineer
Bellevue, Washington
System One is seeking an experienced Senior Mechanical Engineer to support the design and development of reactor structures and components for a next-generation Generation IV advanced nuclear reactor program. This role is focused on high-integrity nucl...
Date Posted: 01/05/2026 Recommended
-
Senior Project Engineer
Cambridge, Massachusetts
Job Title: Senior Project Engineer Location: Cambridge, Massachusetts Type: Direct Hire Compensation: $160000 - $210000 annually Contractor Work Model: Hybrid System One is currently seeking a Senior Project Engineer on a direct hire position located i...
Date Posted: 02/03/2026 Recommended
-
Electrical Engineer I, II, III
Vinita, OK
Job Title: Electrical Engineer Location: Vinita, OK Work Model: Hybrid Overview The Electrical Engineer provides technical support for substation relaying, metering design, system protection, communications configuration, and NERC compliance activities...
Date Posted: 02/25/2026 Recommended
-
Senior Engineer
Austin, Texas
Position Description Play a key role in supporting Austin-based growth initiatives. You’ll work on a wide range of pipeline and infrastructure projects that bring natural gas utility service to new subdivisions and commercial developments. We’re lookin...
Date Posted: 03/20/2026 Recommended
-
Project Engineer - Industrial/Mechanical
Richland, Washington
Job Title: Project Engineer - Industrial/Mechanical Location: Richland, Washington Type: Contract To Hire Compensation: $55.00-60.00 / hourly Contractor Work Model: Onsite Hours: Mon-Fri. 8am-5pm Project Engineer - Industrial/Mechanical In a world of p...
Date Posted: 03/23/2026 Recommended
-
Senior Safety Methodology Engineer
Bellevue, WA
Job Title: Senior Safety Methodology Engineer Location: Bellevue, WA Type: Contract Compensation: $67 - $110 hourly Contractor Work Model: Remote About This Opportunity System One is seeking to place a Senior Safety Methodology Engineer with our client...
Date Posted: 01/08/2026 Recommended
-
Nuclear Engineer V, I&C
Perry , Ohio
System One is seeking experienced Nuclear I&C Engineers (Engineer V level) to support major nuclear power plant upgrades and modernization efforts across multiple sites. This role requires deep expertise in instrumentation & control systems, including ...
Date Posted: 03/17/2026 Recommended
-
Staff Engineer
Parsippany, NJ
Job Title: Staff Engineer (Geotechnical) Location: Parsippany, NJ Type: Direct Hire Contractor Work Model: Onsite SUMMARY Coordinates the planning, organization, control, integration, and completion of engineering projects within area of assigned respo...
Date Posted: 03/17/2026 Recommended
-
Mechanical Design Engineer
Wexford, Pennsylvania
Job Title: Design Quality Engineer Location: Wexford, PA Type: Direct Hire Compensation: 70-90K Contractor Work Model: On site Mechanical Design Engineer Industrial Equipment | 3D Modeling & Design Overview We are seeking a skilled Design Engineer to l...
Date Posted: 03/10/2026 Recommended
-
Mechanical Engineer
Wheatland, Pennsylvania
Job Title: Mechanical Engineer Location: Wheatland, PA Type: Direct Hire Contractor Work Model: Onsite Objective Develop and maintain BOMs, production layouts, and product specifications while driving process improvements, cost reductions, and product ...
Date Posted: 02/25/2026 Recommended
-
Senior Procurement Engineer
Hancock’s Bridge, New Jersey
Job Title: Senior Procurement Engineer Location: Hancock’s Bridge, New Jersey Type: Contract - 10 month (through end of 2026) w/ Potential for Extension Contractor Work Model: Hybrid- 2 days/week in office (must be local) System One is seeking a Senior...
Date Posted: 03/06/2026 Recommended
-
System Design Engineer
Bellevue, WA
System One is seeking a System Design Engineer to support advanced nuclear reactor development. This role will support the Sodium Processing Systems team, focusing on system design, vendor coordination, and integration of hardware into overall plant sy...
Date Posted: 03/16/2026 Recommended
-
Structural Design Engineer, Commercial Nuclear
Atlanta, Georgia
Job Title: Structural Design Engineer, Commercial Nuclear Location: Atlanta, Georgia Type: Contract Compensation: Contractor Work Model: Remote Hours: Add the job’s scheduled days and times (delete if not needed) Security Clearance: List security clear...
Date Posted: 01/08/2026 Recommended
-
Core Component Structural Analyst
Bellevue, Washington
System One is seeking a highly motivated and experienced Structural Analyst to support our client in the advanced nuclear industry. This role focuses on analyzing the mechanical performance of core components operating in high-temperature and high-flue...
Date Posted: 01/08/2026 Recommended
-
Senior Electrical Engineer
Downers Grove, IL
Job Title: Senior Electrical Engineer Location: Downers Grove, IL Type: Contract (Contract to Direct Possible) Duration: 6 months Compensation: $67.40 - $82 (Flexibility DOE) Contractor Work Model: Onsite Hours: 40 hours/week (Monday - Thursday 7:30am ...
Date Posted: 02/24/2026 Recommended
-
Electrical Designer II / III
Charlotte, NC
Electrical Designer II / III Charlotte, NC 28273 System One is seeking an Electrical Designer II / III with design experience to join our client's Electrical Department in Charlotte, North Carolina. This is a great opportunity to get involved on challe...
Date Posted: 03/18/2026 Recommended
-
Nuclear Engineer V, Electrical
perry, Ohio
Job Title: Nuclear Engineer V – Electrical Location: Perry Plant – Perry, OH Davis-Besse Plant – Oak Harbor, OH Beaver Valley Plant – Hookstown, PA Position Type: Contract (12 Months) Schedule: Monday–Friday | 8:00 AM – 5:00 PM Pay Rate: $115/hr (DOE) ...
Date Posted: 03/18/2026 Recommended
-
System Design Engineer, Sodium Cover Gas System
Bellevue, WA
Job Title: System Design Engineer, Sodium Cover Gas System Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $52.00 - $85.00 hourly Contractor Work Model: Fully Remote (US based) Paid Holidays | PTO Syst...
Date Posted: 03/06/2026 Recommended
-
OSP Engineer
Salem, OR
Mountain Ltd. has an opening for a Remote OSP Engineer to work in the Salem, OR area. Since 1979, Mountain Ltd. has successfully created and supported turnkey engineering solutions for traditional and wireless telecom providers across the United States...
Date Posted: 02/24/2026 Recommended
-
Roadway Engineer
Guaynabo, Puerto Rico
System One – Roadway Engineer (O&M) Salary Range: $72,800 to $93,600. Summary: This role supports roadway engineering design efforts by collaborating with project managers, senior engineers, and cross-functional teams. Responsibilities include roadway ...
Date Posted: 01/20/2026 Recommended