Bellevue, WA 98008 • (0 miles) • Full Time • 9/6/2026

Job Title: Senior Welding Engineer Location: Bellevue, WA Type: Contract Compensation: $56.00 Contractor Work Model: Onsite – onsite (local candidates only) Hours: 40.0Overview System One is seeking a Senior Welding Engineer for a yearlong contract role to work as part of a high-functioning team of engineers focused on materials processing, supply chain development and supplier qualification for next generation material and components for sodium-cooled fast reactors. Must be local to the Bellevue, WA area. You will be responsible for developing the welding processes as well as developing the test programs necessary for generating necessary design information.ResponsibilitiesDevelop and qualify welding techniques for nuclear reactor core internals for a sodium-cooled fast reactorConduct wel

Bellevue, WA 98008 • (0 miles) • Full Time • 8/24/2026

Weld Engineer (Contract) | Bellevue, WA (On-site)System One is seeking a highly motivated Weld Engineer to support a Materials Development & Qualification team advancing next-generation materials and components for sodium-cooled fast reactors. This is a hands-on, high-impact role where your weld engineering and metallurgy expertise will influence how advanced components are designed, tested, qualified, and transitioned into supplier-ready manufacturing processes.Location: Bellevue, WA (On-site)Type: Contract | 40 hrs/weekPay Rate:$63–$80/hr (W2)Why this role?Contribute to advanced energy technology with direct design, qualification, and long-term deployment impact.Own weld development from laboratory testing through manufacturing process definition with external suppliers.Collaborate cross