Primary Heat Transport System Design Engineer
Bellevue, WA
Experience: 6
Education: BS
Category: Energy
Contractor Work Model: Remote
Brand: System One
Compensation Range: 56.00 - 95.00 Per Hour
Job ID: 343683
Date Posted: 11/24/2025
Shortcut: http://jobs.systemone.com/0nujm7
Job Title: Primary Heat Transport System Design Engineer
Location: Remote
Type: Contract (yearlong) typically extends on a yearly basis
Compensation: $56 - $95 hourly
Contractor Work Model: Remote
Paid holidays | PTO
System One is seeking a Primary Heat Transport System Design Engineer for a long-term contract role. The successful candidate will be focused on the primary sodium heat transport system design as part of our client's sodium fast reactor. The PHT is analogous to the nuclear steam supply system in a light water reactor. In this role, you will act as a system design engineer for our client’s advanced nuclear reactor projects or other highly technical projects. The successful candidate demonstrates in depth knowledge of fluid system design including knowledge of centrifugal pump and tube & shell heat exchanger operation. The PHT System Design Engineer will work as part of a high-performing team of engineers and scientists.
Tasks
- Design of nuclear and industrial process systems and sub-systems from requirements through final design.
- Perform an array of analyses in support of design (thermal-hydraulic, structural, etc.) using a combination of hand calculation and software-based methods.
- Identify and ensure effective application of correct design codes into the design of plant systems such as ASME, ANS, ASTM, IEEE, NFPA, etc.
- Provide technical direction and guidance to engineers in applicable nuclear and non-nuclear related design standards.
- Analyze and allocate regulatory criteria and standards to complex mechanical and process system design.
- Support planning efforts and maintain schedule adherence for design activities within a system, as well as their integration with an overall plant design delivery schedule.
- Interface with the design team to create and manage drawing packages of system designs, including but not limited to Piping and Instrumentation Diagrams (P&IDs), 3D models, and system interface drawings.
- Interface with design disciplines (such as mechanical, instrumentation and controls, civil, and nuclear) to identify and develop plant design information and specify system design and performance criteria.
- Provide technical direction and oversight of supplier projects, working with the contract administrator to ensure delivery of data and other deliverables, as well as coordination and performance of technical reviews of deliverables.
- Establish and maintain system requirements and specification documents, such as Engineering Design Specifications for major plant equipment.
- Propose and initiate testing programs for plant system qualification, as needed.
- Provide Support and oversight during test execution, evaluation of test results, and reporting of test results.
- Generate design package for systems, sub-systems, and equipment designs including coordination of calculations, design reports, mechanical drawings, and engineering design specifications.
- Develop and review technical design documents, such as System Design Descriptions, Interface Control Documents, Engineering Design Specifications, etc.
- Interface with and support licensing activities associated with Safety Analysis Reports.
- Support design reviews as plant system and subsystem designs are established and refined.
Key Qualifications and Skills
- B.S. in Mechanical, Chemical, Nuclear Engineering, or related discipline from an accredited university and 6+ years direct experience with proven mechanical systems skills.
- Demonstrated experience in the design of complex fluid system design and use of fluid simulation software.
- Previous experience with centrifugal pump design and operation is highly desired.
- Previous experience with tube and shell heat exchange design and operation (particularly steam generators) is highly desired.
- Previous experience writing design specifications for large capital equipment is highly desired.
- Excellent technical writing, communication, and presentation skills.
- Attention to detail and aspiration for technical excellence.
- Candidate must be a self-starter and possess ability to coordinate and lead a design team’s effort with minimal direction.
- Ability to handle projects that include many competing objectives and design constraints, with ability to resolve conflicts between objectives.
- Ability to work on simultaneous tasks that require a multi-disciplinary approach.
- Strong communication skills desired
- The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect, and a desire to foster teamwork
- Actual position starting level and title will be determined based on assessment of qualifications.
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
-
Weld Engineer
Bellevue, WA
Job Title: Weld Engineer Location: Bellevue, WA (local candidates only) Type: Contract (yearlong) typically extends on a yearly basis Compensation: $52 - $85 hourly Contractor Work Model: Onsite Paid Holidays | PTO System One is seeking a highly motiva...
Date Posted: 02/12/2026 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: 01/08/2026 Recommended
-
Refueling & Remote Handling Engineer
Corvillas, OR
Job Title: Refueling & Remote Handling Engineer Type: Direct Hire Compensation: $127000 - $153000 annually Contractor Work Model: Remote Excellent Benefits Package offered NOTE: This position is available to be fully remote with travel as needed. POSIT...
Date Posted: 02/02/2026 Recommended
-
Refueling & Remote Handling Engineer
Corvillas, OR
Job Title: Refueling & Remote Handling Engineer Type: Contract Compensation: $127000 - $153000 annually NOTE: This position is available to be fully remote with travel as needed. POSITION SUMMARY: The Refueling and Remote Handling Group is responsible ...
Date Posted: 01/30/2026 Recommended
-
Materials Engineer
Bellevue, WA
Materials Engineer Approved for Remote Company: System One Rate: $52 – $85/hour Type: Long-term Contract This role will work as part of a high functioning team of engineers focused on materials processing, supply chain development and supplier qualific...
Date Posted: 01/12/2026 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: 02/12/2026 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
-
I&C Design Engineer
Bellevue, WA
Job Title: Design Engineer Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Remote Overview: We are seeking a talented and experienced Design Engineer specializing in Instrumentation and Control (I&C) for a contract opportunity with...
Date Posted: 01/05/2026 Recommended
-
Reactor Core and Component System Design Engineer
Bellevue, WA
Job Title: Reactor Core and Component System Design Engineer Location: Bellevue, WA Type: Long-term Contract Compensation: $69 - $115 hourly Contractor Work Model: Remote Position Overview: We are seeking a highly skilled and motivated Reactor Core and...
Date Posted: 12/15/2025 Recommended
-
Nuclear Fuel Performance and Development Engineer
Bellevue, WA
Job Title: Nuclear Fuel Performance and Development Engineer Type: Contract (yearlong) typically extends on a yearly basis. Compensation: $54 - $90 hourly Contractor Work Model: Fully Remote Paid Holidays | PTO System One is seeking a highly motivated ...
Date Posted: 02/12/2026 Recommended
-
Senior Nuclear Safety Analysis Engineer
Bellevue, WA
Job Title: Senior Nuclear Safety Analysis Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $69-$115 hourly Contractor Work Model: Fully Remote Paid Holidays | PTO System One is seeking to contr...
Date Posted: 02/12/2026 Recommended
-
I&C Engineer (Remote)
Groton, NE
Job Title: I&C Engineer VI Location: Remote Type: Contract Compensation: DOE Contractor Work Model: Remote Number of positions: 1 Duration: 12 months Non Exempt Work Schedule: 8:00 am - 5:00 pm Category: Engineering Technology System One is hiring an e...
Date Posted: 12/10/2025 Recommended
-
Plant Design Integration Engineer
Bellevue, WA
Job Title: Plant Design Integration Engineer Type: Contract (yearlong) typically extends on a yearly basis Compensation: $56 - $95 hourly Contractor Work Model: Fully Remote Paid Holidays | PTO System One is seeking to contract with a Plant Integration...
Date Posted: 02/12/2026 Recommended
-
Resident Engineer - Nuclear
Loveland, Colorado
Resident Engineer Location: Onsite in Loveland, CO Pay Rate: $50–$80/hour Position Type: Contract (via System One) System One is seeking a highly motivated Nuclear Island Resident Engineer to support supplier activities on-site at James Fisher Technolo...
Date Posted: 01/09/2026 Recommended
-
Mechanical Design Engineer
Bellevue, WA
Job Title: Mechanical Design Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis. Compensation: $37 - $74 hourly Contractor Work Model: Fully Remote System One is seeking a Mechanical Design Engineer for a full...
Date Posted: 01/16/2026 Recommended
-
Alkali Metal Test Engineer
Everette, Washington
Position Overview System One is seeking a highly motivated Test Engineer – Alkali Metal Testing to support advanced reactor testing operations for a leading clean energy client. This on-site role in Everett, WA will support engineering and full-scale l...
Date Posted: 01/21/2026 Recommended
-
Test Design Engineer
Bellevue, WA
Job Title: Test Design Engineer Location: Bellevue, WA Type: Long-term Contract Contractor Work Model: Remote or Onsite Position Overview: We are seeking a highly motivated and skilled Test Design Engineer to join our Instrumentation and Control (I&C) ...
Date Posted: 12/15/2025 Recommended
-
Thermal Analysis Engineer
Bellevue, WA
Job Title: Thermal Analysis Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $52 - $85 hourly Contractor Work Model: Fully Remote Paid Holidays | PTO System One is seeking a highly motivated Th...
Date Posted: 02/12/2026 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 Fuel Handling Resident Engineer
Huntsville, Alabama
Job Title: Nuclear Fuel Handling Resident Engineer Location: Huntsville, AL Type: Contract Job Title: Nuclear Fuel Handling Resident Engineer Position Overview: We are actively seeking a highly skilled Nuclear Fuel Handling Resident Engineer to provide...
Date Posted: 02/09/2026 Recommended
-
I&C Manufacturing Engineer
Corvillas, OR
Job Title: I&C Manufacturing Engineer Location: Corvillas, OR Type: Direct Hire Compensation: $111,000 - $134,000 annually Work Model: Remote with 10-25% travel required System one is hiring a direct full-time I&C Manufacturing Engineer who will be res...
Date Posted: 02/12/2026 Recommended
-
Senior Nuclear Structural Engineer
Birmingham, Alabama
Job Title: Senior Nuclear Structural Engineer Location: Birmingham, Alabama Type: 3 year Contract Compensation: $63.00 hourly Contractor Work Model: Onsite System One is currently seeking a Senior Nuclear Structural Engineer on a 3 year contract positi...
Date Posted: 02/13/2026 Recommended
-
Senior Nuclear Electrical Engineer
Stonington, Connecticut
Senior Nuclear Electrical Engineer Charlotte, NC 28273 or Stonington, CT 06378 System One is seeking a Senior Nuclear Electrical Engineer in Charlotte, NC or Stonington, CT to perform a variety of engineering and design activities involving power plant...
Date Posted: 12/30/2025 Recommended
-
Senior Nuclear Electrical Engineer
Charlotte, North Carolina
Senior Nuclear Electrical Engineer Charlotte, NC 28273 System One is seeking a Senior Nuclear Electrical Engineer in Charlotte, NC to perform a variety of engineering and design activities involving power plant upgrades and/or new power plant projects....
Date Posted: 12/30/2025 Recommended
-
Senior Safety Methods Engineer
Bellevue, WA
Job Title: Senior Safety Methods Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $69 - $115 hourly Contractor Work Model: Fully Remote Paid holidays and PTO System One is seeking a Senior Safe...
Date Posted: 02/12/2026 Recommended
-
Senior Materials Engineer
Bellevue, WA
Senior Materials Engineer NOW APPROVED FOR REMOTE Company: System One Rate: $52 – $95/hour Type: Long-term Contract System One is seeking a Senior Materials Engineer to join a high-performing team of engineers focused on materials processing, supply ch...
Date Posted: 01/12/2026 Recommended
-
Senior Instrumentation and Control Engineer
Houston, Texas
Senior Instrumentation and Control Engineer 100% Remote System One is seeking an Senior Instrumentation and Control (I&C) Engineer to perform a variety of engineering and design activities involving power plant upgrades and/or new power plant projects....
Date Posted: 02/11/2026 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
-
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
-
Senior Civil/Structural Engineer
Lake Mary, FL
Job Title: Senior Civil/Structural Engineer Location: Lake Mary, FL Type: Direct Hire Compensation: $115000 - $135000 annually Overview A leading engineering organization is seeking a highly skilled Senior Civil and Structural Engineer to take ownershi...
Date Posted: 11/19/2025 Recommended