Primary Heat Transfer (PHT) Engineer, Systems
Bellevue, WA
Experience: 0
Category: Energy
Contractor Work Model: Remote
Brand: System One
Compensation Range: 56.00 - 95.00 Per Hour
Job ID: 378257
Date Posted: 08/10/2026
Shortcut: http://jobs.systemone.com/JK8aU1
Job Title: Primary Heat Transfer (PHT) Engineer, Systems
Type: Long term Contract
Compensation: $56.00 - $95.00
Work Model: Remote – offsite
System One is seeking a Contractor to provide the following services(PHT) System Design Engineer who is focused on the primary sodium heat transport system design as part of the Natrium 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 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 scientist
Responsibilities
- Design of nuclear and industrial process systems and sub-systems from requirements through final design.
- Perform analyses supporting design, including thermal-hydraulic and structural assessments using hand calculations and software.
- Ensure adherence to applicable design codes such as ASME, ANS, ASTM, IEEE, NFPA, and guide other engineers in relevant standards.
- Analyze and allocate regulatory criteria and standards to complex mechanical and process system designs.
- Support planning and maintain schedule adherence for design activities within the overall plant design delivery.
- Interface with the design team to create system drawings like P&IDs, 3D models, and interface diagrams.
- Collaborate with mechanical, instrumentation, civil, and nuclear disciplines to develop plant design information and specify system performance criteria.
- Provide technical oversight of supplier projects, coordinate deliverables, and conduct technical reviews.
- Establish and maintain system requirements and specifications, including engineering design documents.
- Propose and oversee testing programs for plant system qualification and evaluate test results.
- Generate and review design packages, reports, mechanical drawings, and specifications.
- Support licensing activities and facilitate design reviews for plant systems and sub-systems.
- B.S. in Mechanical, Chemical, Nuclear Engineering, or related discipline from an accredited university.
- 6+ years of direct experience with proven mechanical systems skills.
- Experience in designing complex fluid systems and using fluid simulation software.
- Previous experience with centrifugal pump design and operation (highly desired).
- Experience with tube and shell heat exchange design, especially steam generators (highly desired).
- Ability to develop detailed design specifications for large capital equipment (highly desired).
- Strong technical writing, communication, and presentation skills.
- Attention to detail and commitment to technical excellence.
- Self-starter with the ability to coordinate and lead design teams with minimal supervision.
- Ability to manage projects with multiple objectives and resolve conflicting priorities.
- Proficiency in handling multiple multidisciplinary tasks simultaneously.
- Excellent communication skills and high integrity.
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.
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