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# System Design Engineer, Sodium Cover Gas Systems

- **Company:** System One
- **Location:** Bellevue, WA, United States
- **Experience:** Expert
- **Salary:** $143,520.0 - $239,200.0
- **Contract:** Permanent contract
- **Skills:** Testing (Software), 3d Models, Application Programming Interfaces (APIs), Software Documentation, Network Interface Controllers, Systems Development Life Cycle
- **Published:** October 26, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3467452677&tx=FR1714FFK&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* B.S. in Mechanical, Chemical, Nuclear Engineering, or related discipline from an accredited university and 10+ years direct experience with proven mechanical systems skills.
 * Experience with piping systems and the ability to read and draw P&IDs.
 * Experience working with suppliers in development and fabrication of safety-related equipment.
 * Strong understanding of design codes (ASME, BPVC, API).
 * Familiar with safety classifications of systems, structures, and components.
 * Familiar with piping design and analysis.
 * Experience working to quality standards on design activities, such as ASME NQA-1, AS 9100, ISO 9001, or equivalent.
 * Must be a self-starter and possess ability to coordinate with minimal direction.
 * Ability to handle projects that include many competing objectives and design constraints, with ability to resolve conflicts between objectives.
 * The successful candidate will possess a high degree of trust and integrity, able to communicate openly, and display respect and a desire to foster teamwork.
 * Attention to detail and aspiration for technical excellence.
 * Excellent technical writing, verbal communication, and presentation skills.

## Description

* Design of fluid systems from development of requirements through final design and commissioning.
 * Perform technical trade studies and decisions to refine system design.
 * Oversee suppliers during development, fabrication, and testing of gas processing, filtration, and monitoring equipment.
 * Review component designs in the context of the greater system design to determine how detailed design of components impacts the greater system.
 * Prepare system level engineering documentation including technical specifications and operations narratives.
 * Review system documentation to anticipate and resolve system and plant level integration issues before they are realized.
 * Support design reviews as system designs are established and refined.
 * Develop and review technical design documents, such as System Design Descriptions, Interface Control Documents, Engineering Design Specifications, etc.
 * Generate design packages for system designs including coordinating of calculations, design reports, drawings, and specifications.
 * 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.
 * Collaborate with various design disciplines (mechanical, instrumentation and controls, civil, nuclear) to identify and develop system design and performance criteria.
 * Propose and initiate testing programs for system development and qualification.
 * Utilize various codes, including B31.3 and ASME BPVC Sections III and VIII.