I&C Design Engineer, Nuclear System OneI&C Design Engineer, NuclearBellevue, WA$69–$115 / hourCreate and manage system and component drawing packages such as P&IDs, control system architecture, control logic diagrams, and instrument installation drawings. • Develop and review technical design documents including System Requirements, System Design Descriptions, Interface Control Documents, and Engineering Design Specifications.
Sodium Fire Design and Analysis Engineer System OneSodium Fire Design and Analysis EngineerBellevue, WARemote$102–$130 / hourOther engineering activities include, but are not limited to, contributing to the development of computational methodologies and models, contributing to software commercial grade dedication, participating in hazard analysis, participating in Phenomena Identification and Ranking Table (PIRT) exercises, participating in Structures, Systems and Components (SSC) classification, developing analytical methods, performing analysis of sodium fire as well as verification and validation activities. The successful candidate will be responsible for developing sodium fire modeling methodologies, performing commercial grade dedication of sodium fire modeling codes, and performing sodium fire modeling calculations to support our client’s design and licensing.
NewThermal Analysis Engineer System OneThermal Analysis EngineerBellevue, WARemote$52–$85 / hourPerform thermal modeling of fluid-structure interfaces, including metallic structure thermal problems with structure conductive heat transfer, air convective heat transfer, radiation, and sodium-structure heat transfer modes. Work with our client’s component design leads and analysis engineers to evaluate specific component issues, develop local models or modify existing, and provide insights and feedback to design teams for action.
Materials Engineer System OneMaterials EngineerBellevue, WARemote$36–$95 / hourPerform scientific analysis of reports and test data (e.g., metallography, non-destructive inspection, mechanical properties, ductility) and generate technical specifications to document new knowledge related to reactor design and qualification. This role will work as part of a high functioning team of engineers focused on materials, processes, supply chain development and supplier qualification for next generation material and components for sodium cooled fast reactors.
Senior Engineer, Plant Thermal Hydraulics Validation System OneSenior Engineer, Plant Thermal Hydraulics ValidationBellevue, WARemote$56–$95 / hourDefine validation needs, develop test requirements, and collaborate closely with test engineering teams to ensure alignment between model gaps and experimental programs. Apply and improve SQA and NQA1 modeling quality practices and ensure traceability and configuration control of analysis inputs, models, and results.
Senior Engineer, Plant Thermal Hydraulics Methods System OneSenior Engineer, Plant Thermal Hydraulics MethodsBellevue, WARemote$52–$85 / hourOther engineering activities include, but are not limited to, system transient codes development and maintenance, performing reactor transient analyses, code benchmark with Integral Effect Tests (IETs) or Separate Effect Tests (SETs), scaling analysis, software commercial-grade dedication, contributing to code assessment and adequacy evaluation, as well as performing verification and validation activities. Requirements Degree in Mechanical, Nuclear, Chemical Engineering, or similar fields, with 5+ years of experience in system-level thermal hydraulic modeling and method development for nuclear or complex energy systems.
Senior Welding Engineer System OneSenior Welding EngineerBellevue, WA$56–$95 / hourSystem 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. Oversee test programs for qualification of welds, including mechanical properties, burst testing, thermal creep, creep-fatigue, neutron irradiation, thermal aging, and sodium exposure.
Plant Radiological Integration Engineer System OnePlant Radiological Integration EngineerBellevue, WARemote$69–$115 / hourResponsibilities Coordinate between design teams working on plant source term and radiological release analysis, risk analysis, plant operations and SSC radiological shielding design teams. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Nuclear Plant Integration Engineer (Test Abstracts and Specifications) System OneNuclear Plant Integration Engineer (Test Abstracts and Specifications)Bellevue, WARemote$69–$115 / hourSystem One is seeking an experienced Nuclear Plant Integration Engineer to coordinate and support the creation, development and management of post-construction and startup test abstracts and test specifications for our client’s Advanced Reactor Demonstration project. The primary focus of this role is developing and fortifying the framework, across the system design engineering teams, for creation and authorship of test procedures, test abstracts and test specifications.
Senior Mechanical Design Engineer Simplexity Product DevelopmentSenior Mechanical Design EngineerSeattle, WA$140,000–$160,000 / yearPerform paper-studies using various mechanical engineering academic principles, such as force and energy balances, structural calculations, mechanical vibration, tolerance analysis, mechanical power transmission, etc. In an industry of overly-complex design and production, we strive for simplicity, reducing product cost and improving reliability for our clients through our Product Development Process.
Staff Engineer, Mechanical Design - Launch And Recovery Systems (R4571) Shield AIStaff Engineer, Mechanical Design - Launch And Recovery Systems (R4571)Seattle, WA$160,000–$240,000 / yearWe may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. What you'll do: Design and develop mechanical systems for Ground Support Equipment (GSE), including power units, transport structures, launch & recovery systems, and maintenance tools.
Staff Engineer, Mechanical - Harness Design (R4594) Shield AIStaff Engineer, Mechanical - Harness Design (R4594)Seattle, WA$166,000–$300,000 / yearWith offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI's technology actively supports operations worldwide. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.
Aerostructures Design Engineer II (R5157) Shield AIAerostructures Design Engineer II (R5157)Seattle, WA$108,000–$160,000 / yearThis role is ideal for an aerospace mechanical engineer who thrives in hands-on design environments and is eager to take increasing ownership of flight-critical designs. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI's technology actively supports operations worldwide.
Aerostructures Design Engineer II (R5156) Shield AIAerostructures Design Engineer II (R5156)Seattle, WA$108,000–$160,000 / yearThis role is ideal for an aerospace mechanical engineer who thrives in hands-on design environments and is eager to take increasing ownership of flight-critical designs. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI's technology actively supports operations worldwide.
Principal Aerostructures Design Engineer (R5163) Shield AIPrincipal Aerostructures Design Engineer (R5163)Seattle, WashingtonFull timeFull-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. As a senior member of the Mechanical Engineering team, you will own the design and development of high-performance structural systems, from clean-sheet concepts to production-ready hardware.
Staff Aerostructures Design Engineer (R4955) Shield AIStaff Aerostructures Design Engineer (R4955)Seattle, WashingtonFull timeFull-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. This role is ideal for an aerospace mechanical engineer who thrives in hands-on design environments and is eager to take increasing ownership of flight-critical designs.
Staff Aerostructures Design Engineer (R5160) Shield AIStaff Aerostructures Design Engineer (R5160)Seattle, WashingtonFull timeFull-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. This role is ideal for an aerospace mechanical engineer who thrives in hands-on design environments and is eager to take increasing ownership of flight-critical designs.
System Design Engineer System OneSystem Design EngineerBellevue, WashingtonThe ideal candidate will act as a system-level engineer, working across multiple disciplines to develop, integrate, and refine system designs from concept through commissioning. Develop and review technical documents such as System Design Descriptions (SDDs), Interface Control Documents (ICDs), and Engineering Design Specifications .
Senior Propulsion Design Engineer (R4642) Shield AISenior Propulsion Design Engineer (R4642)Seattle, WA$130,000–$200,000 / yearThis role is hands-on, detail-oriented, and highly cross-functional - requiring close collaboration with propulsion REs, technicians, machinists, production, controls, airframe, and flight test teams. Job Description: We are seeking a Senior Propulsion Design Engineer to support the development and delivery of propulsion hardware for the X-BAT platform, a next-generation UAV powered by a low-bypass turbofan engine.
Senior Propulsion Design Engineer (R4641) Shield AISenior Propulsion Design Engineer (R4641)Seattle, WashingtonFull timeFull-time regular employee offer package: Pay within range listed + Bonus + Benefits + Equity Temporary employee offer package: Pay within range listed above + temporary benefits package (applicable after 60 days of employment) Salary compensation is influenced by a wide array of factors including but not limited to skill set, level of experience, licenses and certifications, and specific work location. This role is hands-on, detail-oriented, and highly cross-functional - requiring close collaboration with propulsion REs, technicians, machinists, production, controls, airframe, and flight test teams.