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/nBSPcW
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.
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