System One is seeking an experienced Instrumentation & Controls (I&C) Design Engineer to support advanced nuclear reactor development. This contract position supports system design, prototype development and testing, plant-level system integration, and...

I&C Design Engineer Company: System One Location: Remote Pay Rate: $69 – $115 per hour (based on experience) Job Type: Contract Duration: Long-Term Contract Position Overview System One is seeking an experienced Instrumentation & Controls (I&C) Design ...

System One is seeking experienced Nuclear I&C Engineers (Engineer V level) to support major nuclear power plant upgrades and modernization efforts across multiple sites. This role requires deep expertise in instrumentation & control systems, including ...

Job Title: Senior Security Programs Specialist -Access Authorization /Fitness for Duty Type: Long term Contract Compensation: $84 - $135 hourly Contractor Work Model: Remote System One is seeking an experienced Senior Security Programs Specialist – Acc...

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: 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...

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: 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: 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)...

Job Title: Instructional Technologist Type: Long-term Contract Compensation: $52.00 - $85.00 Contractor Work Model: Remote Responsibilities Develops training processes, programs, and procedures for a newly developed training department, ensuring compli...

Job Title: Nuclear Engineer V – Electrical Location: Perry Plant – Perry, OH Davis-Besse Plant – Oak Harbor, OH Beaver Valley Plant – Hookstown, PA Position Type: Contract (12 Months) Schedule: Monday–Friday | 8:00 AM – 5:00 PM Pay Rate: $115/hr (DOE) ...

Reactor Enclosure System (RES) Mechanical Stress Analysis Engineer – Contract Location: Remote Pay Rate: $52–$85 per hour Contract Length: 6-month contract with possible extension Position Overview System One is seeking an experienced Reactor Enclosure...

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 Nuclear Engineers (Civil/ Structural) to support nuclear power plant upgrades and new plant projects on-site for a long-term contract role. This senior-level engineering role requires extensive experience with nuclear power plant ...

Job Title: Mechanical Engineer 4 - Nuclear Steam Supply System (NSSS) Location: Corvillas, OR Type: Contract Contractor Work Model: Remote Hours: 40.0 Overview System One is seeking a Mechanical Engineer to support our client's Nuclear Steam Supply Sys...

Job Title: Senior Nuclear Safety Analysis Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $69-$115 hourly Contractor Work Model: Fully Remote Paid Holidays | PTO System One is seeking to contr...

Qualification Engineer – Oak Ridge, TN Type: Direct Hire Work Model: Onsite System One is seeking a highly skilled Qualification Engineer to support a nuclear technology client in Oak Ridge, TN. This role is essential to ensuring the safety and non-saf...

Job Title: Structural Design Engineer 4 Location: Corvallis, OR Type: Direct Hire Contractor Work Model: Remote Position Summary: We are seeking a qualified Structural Design Engineer for a direct hire opportunity. In this full-time, remote role, you w...

Position: Project Manager – [Capital Facilities and Construction Projects] Location: Welch, Minnesota 55089 Work Arrangement: Onsite Contract Duration: 12-Months Pay Rate: $62.00/hr. Per Diem: GSA Rate/7-Days Per week System One is seeking Project Mana...

Position: Project Manager – [Capital Facilities and Construction Projects] Location: Welch, Minnesota 55089 Work Arrangement: Onsite Contract Duration: 12-Months Pay Rate: $62.00/hr. Per Diem: GSA Rate/7-Days Per week System One is seeking Project Mana...

Job Title: Nuclear Shielding and Criticality Engineer Location: Bellevue, WA Type: Contract Compensation: $69.00 - $115.00 Contractor Work Model: Remote Hours: 40.0 Overview System One is seeking to contract with a highly capable and motivated nuclear ...

Job Title: Operations Support Specialist 3 Location: Los Alamos, New Mexico Security Clearance: Active DOE Q Clearance Required Schedule: Full-time, 40 hours per week Contract Period: February 23, 2026 – February 23, 2028 Positions Available: 4 Positio...

Materials Engineer Approved for Remote Company: System One Rate: $52 – $85/hour Type: Long-term Contract This role will work as part of a high functioning team of engineers focused on materials processing, supply chain development and supplier qualific...

Job Title: CNC Machinist – Contract to Hire Location: Richland, Washington Company: System One Schedule: Full-Time, 40 hours per week Compensation: $28.00 – $34.00 per hour Additional Benefits: Holiday pay and 6-month bonus Position Type: Contract to H...

Job Title: Fuel Fabrication Chemical Analysis Technician Location: Everett, WA Type: Contract Contractor Work Model: Onsite Responsibilities Perform a wide range of laboratory-based research, chemical analysis, and development activities to support fue...

Job Title: Manufacturing Production Supervisor Location: Fort Stockton, Texas Type: Contract To Hire Compensation: $33 - $35 hourly Contractor Work Model: Onsite Position Overview The Facility / Site Supervisor is a critical leadership role at a Therma...

Job Title: Plant Radiological Integration Engineer Location: Bellevue, WA Type: Contract Compensation: $69 - $115 hourly System One is seeking a Plant Radiological Integration Engineer to support our client’s advanced nuclear reactor project. This role...

Position Description Play a key role in supporting Austin-based growth initiatives. You’ll work on a wide range of pipeline and infrastructure projects that bring natural gas utility service to new subdivisions and commercial developments. We’re lookin...

Job Title: Quality Engineer Location: Orville, Ohio Type: Contract To Hire We are seeking a dedicated and detail-oriented Quality Engineer in Orrville, OH. This full-time position offers an exciting opportunity for an experienced professional to contri...

Job Title: Construction Project Manager (Nuclear Plant Modifications) Location: Monticello, MN (Per Diem/7-Days Per Week) Type: Contract Duration: 12-Months Compensation: $73/hr. Contractor Work Model: Onsite System One is actively recruiting for a Con...