Job Title: Test & Commissioning Site Supervisor Location: Bellevue, Washington Type: Direct Hire Compensation: $90,000 - $120,000 Contractor Work Model: Onsite – onsite Hours: 40.0 Overview Lead and coordinate the commissioning and validation activitie...

Job Title: Nuclear Operations Procedure writer Contractor Work Model: Remote – offsite Responsibilities Develops and executes a plan for creating, organizing, and tracking development of administrative and operating procedures. Develops and maintains t...

Overview: System One is seeking a Radioactive Material Transport Engineer to support advanced nuclear energy initiatives. This role will focus on nuclear packaging, transportation logistics, and regulatory compliance for radioactive materials across th...

Overview: System One is seeking a Nuclear Cyber Security Systems Architect to support advanced nuclear reactor technologies. This role is focused on the design, development, and integration of cyber and physical security systems within highly regulated...

Position Overview: System One is seeking a Senior Mechanical Design Engineer to support the Molten Chloride Fast Reactor (MCFR) program and the Molten Chloride Reactor Experiment (MCRE). This role plays a key part in designing and analyzing mechanical ...

System One is seeking a System Design Engineer to support advanced nuclear reactor development. This role will support the Sodium Processing Systems team, focusing on system design, vendor coordination, and integration of hardware into overall plant sy...

Job Title: Mechanical Design Engineer Location: Bellevue, Washington Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Hybrid System One is seeking a Mechanical Design Engineer to support the Molten Chloride Fast Reactor (MCFR) progr...

Mechanical Test Technician System One is seeking a Mechanical Test Technician to support advanced engineering and testing activities within the nuclear energy sector. This role is ideal for hands-on, detail-oriented technicians who enjoy working closel...

System One is seeking two motivated, detail-oriented Contract Network Engineers to support a multi-state, multi-site networking infrastructure environment. This role supports commercial, industrial, research, and energy-related network systems. The ide...

System One is seeking an experienced Senior Mechanical Engineer to support the design and development of reactor structures and components for a next-generation Generation IV advanced nuclear reactor program. This role is focused on high-integrity nucl...

Job Title: System Design Engineer Location: Bellevue, WA Type: Contract Contractor Work Model: Remote – offsite Hours: 40.0 Security Clearance: Not specified Overview Responsibilities Design nuclear and industrial process systems and sub-systems from c...

Position Summary System One is seeking a System Design Engineer to support advanced nuclear reactor projects. This role focuses on system design, analysis, and supplier oversight, supporting complex fluid systems within a highly regulated environment. ...

Job Title: Thermal Analysis Engineer Type: Contract (6 months) Compensation: $52 - $85 hourly Contractor Work Model: Fully Remote System One is seeking a highly motivated Thermal Analysis Engineer. Tasks Perform thermal model development and/or model m...

Job Title: Equipment Qualification Engineer – Mechanical Location: Bellevue, WA Type: Contract Compensation: $84.00 - $135.00 Contractor Work Model: Remote – offsite Hours: 40.0 System One is seeking a highly motivated Equipment Qualification Engineer ...

Job Title: Senior Mechanical Engineer Location: Bellevue, WA Type: Contract Contractor Work Model: Remote – offsite Hours: 40.0 Responsibilities Design reactor structures and components from concept through final design. Develop equipment and component...

Job Title: Mechanical Designer Location: Bellevue, WA Type: Contract Compensation: $37.00 - $74.00 per hour Contractor Work Model: Hybrid – onsite and remote Hours: 40.0 hours/week Overview Leave placeholder text here for recruiter to input Responsibil...

Overview: System One is seeking a highly capable and motivated Plant Integrated Analysis Engineer to support advanced nuclear reactor development within a sodium-cooled reactor program. This role focuses on plant-level thermal-hydraulic and control sys...

Job Title: Helpdesk Technician Location: Bellevue, WA Type: Contract Contractor Work Model: Onsite Position Overview: We are currently seeking a Helpdesk Technician for a long term contract opportunity with an onsite work model in Bellevue, WA. This cu...

Job Title: Contract Administrator Type: Long-term Contract Contractor Work Model: Remote Responsibilities Support increasingly complex procurement and subcontract management duties, including federal government contracting. Manage procurement activitie...

Job Title: Design Engineer Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Remote Overview: We are seeking a talented and experienced Design Engineer specializing in Instrumentation and Control (I&C) for a contract opportunity with...

Job Title: Oracle Technical Developer Type: Contract Compensation: $72 - $90 hourly Hybrid: Bellevue, WA Job Title: Oracle Technical Developer Overview: We are seeking an experienced Oracle Technical Developer for a 12-month contract opportunity. In th...

Job Title: Senior Systems Engineer - Applications Type: Long-term Contract Contractor Work Model: Remote Responsibilities: Manage, support, and optimize enterprise business applications supporting plant operations, including EAM/ERP systems and the Dyn...

Job Title: Requirements Management Engineer Location: Bellevue, WA Type: Contract Compensation: $52.00 - $85.00 per hour Contractor Work Model: Remote Hours: 40.0 hours per week Overview System One is seeking to contract with a Requirements Management ...

System One is seeking a Staff Accountant – Accounts Payable to support a fast-paced, high-volume accounting environment. This role is responsible for full-cycle accounts payable processing, ensuring accuracy, compliance, and timely execution of financi...

Job Title: Principal Engineer Seismic/CSA Integration & Oversight Type: Contract, 12 months Compensation: $69.00 - $115.00 per hour Contractor Work Model: Remote Responsibilities Support the development of plant level requirements and strategies relate...

Job Title: Facility Access & Day Porter Assistant Location: Bellevue, WA & Everett, WA Type: Contract Compensation: $37.00 - $74.00 per hour Contractor Work Model: Onsite Responsibilities Manage the flow of the front desk, greet guests, assist visitors...

Job Title: Reactor Enclosure System (RES) Fabrication Manager Location: Bellevue, WA Type: Contract Compensation: $56.00 - $95.00 Contractor Work Model: Remote Hours: 40.0 Overview System One is seeking to contract with a Reactor Enclosure System (RES)...

Overview System One is seeking a Project Coordinator to support activities related to a major advanced nuclear energy demonstration project. This role will assist in managing project planning, execution, and closeout activities while supporting the Pro...

Job Title: Senior Safety Verification and Validation Engineer Type: Contract (12-months) Contractor Work Model: Remote About the Role: As a Senior Safety V&V Engineer, you will be instrumental in verifying and validating safety assessment models and so...

Job Title: Senior Safety Methods Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $69 - $115 hourly Contractor Work Model: Fully Remote Paid holidays and PTO System One is seeking a Senior Safe...