SYSTEM DESIGN ENGINEER

Location: Bellevue, WA (Onsite Preferred)
Employment Type: Contract (W2 via System One)
Duration: 12 months
Travel: Approximately 10%
System One is seeking a System Design Engineer to support the development of an advanced nuclear reactor system. This role focuses on the design, analysis, and integration of engineered fluid systems, as well as supplier coordination and oversight. You will join a multidisciplinary engineering team working on a next-generation reactor project with complex interfacing systems.

REQUIRED QUALIFICATIONS:

• B.S. in Mechanical, Chemical, Nuclear Engineering, or a related field.
• 5+ years of direct experience in system design and mechanical systems engineering.
• Experience with fluid and piping systems; able to read and create Piping & Instrumentation Diagrams (P&IDs).
• Strong working knowledge of industry standards and design codes (e.g., ASME, BPVC, API).
• Familiarity with the safety classification of systems, structures, and components.
• Experience with supplier oversight in safety-related equipment development.
• Understanding of piping design and stress analysis.
• Experience working within quality assurance frameworks such as ASME NQA-1, ISO 9001, AS 9100, or similar.
• Proven ability to lead technical tasks with minimal supervision.
• Strong organizational skills with the ability to balance competing priorities and design constraints.
• Excellent written and verbal communication skills, including the ability to clearly present technical information.
• High degree of integrity, collaborative mindset, and strong team orientation.
  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.
  Ref: #161-Managed Staffing Charlotte

• Lead design of engineered fluid systems from requirements development through final design and commissioning.
• Conduct technical trade studies to evaluate design alternatives and optimize system performance.
• Oversee suppliers during the fabrication and testing of gas processing, filtration, and monitoring equipment.
• Review and analyze component designs to ensure system-level compatibility and performance.
• Develop engineering documentation including system design descriptions, technical specifications, and operational narratives.
• Identify and resolve integration issues across system and plant levels during the design phase.
• Participate in and support technical design reviews.
• Generate and coordinate complete design packages, including calculations, reports, drawings, and specifications.
• Collaborate with the design team to manage drawing packages (e.g., P&IDs, 3D models, system interface diagrams).
• Interface with cross-functional disciplines (mechanical, I&C, civil, nuclear) to define design and performance requirements.
• Initiate and support development testing programs for system qualification.
• Apply relevant industry codes and standards, such as ASME B31.3 and ASME BPVC Sections III and VIII.