Job Title: QA Oversight Nuclear Professional Initial location: Clifton, New Jersey Type: Contract Contractor Work Model: Onsite Per Diem: GSA rate System One is seeking an experienced QA Oversight nuclear professional to support repair work on dry stor...

Job Title: Senior System Design Engineer Compensation: $69 - $115 hourly Contractor Work Model: Remote System One is seeking a highly capable and motivated Senior System Design Engineer to support fluid systems and supplier integration activities for a...

Job Title: Nuclear Commerical Grade Dedication Engineer Location: Chattanooga, TN Type: Direct Hire Contractor Work Model: Onsite Position Overview: As a Nuclear Commercial Grade Dedication Engineer, you will serve as the technical authority responsibl...

TITLE: Plant Integration Engineer – (Agency Contract) Plant Layout and 3D Model Development position Location: Bellevue, WA, USA (Onsite) Pay Range: $67–$110/hour System One is seeking a Plant Integration Engineer to support nuclear plant design and in...

Design Process Engineer – Agency Contract Bellevue, WA | $67–$110/hour | Onsite | Contract Role System One is seeking a highly motivated Design Process Engineer to support nuclear plant design engineering process development, oversight, and maintenance...

Engineer, Safeguards & Non-Proliferation – Contract System One Remote Opportunity | $52–$85/hour System One is seeking a Safeguards & Non-Proliferation Engineer to support advanced reactor development work for the Molten Chloride Fast Reactor (MCFR) pr...

Job Title: Senior Mechanical Design Engineer Type: Contract Compensation: $54 - $90 hourly Contractor Work Model: Remote System One is actively seeking a Sr. Mechanical Design Engineer to support the development of advanced nuclear reactor technology. ...

Principal Safeguards & Non-Proliferation Engineer – Remote/Contract System One-Long term Remote Opportunity | $84-$135 /hour System One is seeking a a Principal Safeguards and Non-Proliferation Engineer to support the MCFR program. The role centers on ...

QA Oversight – 4 Positions - Long-Term Contract Location: Turtle Creek , PA - On-site | Shift: Second Shift Pay: $50–$65/hr | Per Diem: $200/day (up to 1 year) About the Role: System One is seeking QA Oversight professionals to ensure compliance and qu...

Job Title: Senior Mechanical Designer Location: Bellevue, Washington Type: Contract Compensation: $67 - $110 hourly Contractor Work Model: Remote Senior Mechanical Designer – System One About the Role System One is seeking a highly motivated and resour...

Commissioning Engineer III – Contract (Remote) Employer: System One Pay Rate: $56 – $95 per hour (includes PTO, paid holidays, and health insurance stipend) Location: Remote Position Overview System One is seeking a highly motivated Commissioning Engin...

MCFR Senior Process & Piping Design Engineer – Contract REMOTE $67 – $110/hour System One is seeking a Senior Process & Piping Design Engineer to support the Molten Chloride Fast Reactor (MCFR) program with direct contributions to the Molten Chloride R...

Job Title: Senior Mechanical Design Engineer Location: Remote Pay Range: $52–$85/hour Overview: System One is seeking a highly motivated and resourceful Senior Mechanical Design Engineer to support the conceptual and preliminary design development of v...

Job Title: Equipment Delivery Coordinator – Natrium Company: System One Location: On-site in Bellevue, Washington Pay Range: $52 – $85 per hour Recruiter: Tricia Colvin-Chavous, Technical Recruiter Overview: System One is seeking an Equipment Delivery ...

Job Title: I&C Engineer Location: Oak Ridge, Tennessee Type: Direct Hire Contractor Work Model: Onsite Position Summary: The I&C Engineer will provide technical leadership and hands-on engineering support for the qualification, testing, and dedication ...

System One is seeking a NDE Quality Oversight professional for a long-term contract to hire, full time opportunity, onsite in Orville, Ohio. The ideal candidate will have a strong background in nuclear quality assurance, NDE, and fabrication operations...

The data center boom is real—and we’re building the future. Get in on the action and apply today! Job Title: Data Center Construction Manager Location: Port Washington, WI Type: Full-Time Project (12-24 months) About the Role We’re seeking a seasoned D...

Job Title: Property Casualty Claims Representative Location: Bellevue, Washington Type: Contract Compensation: $37/Hour Contractor Work Model: Hybrid Hours: Normal Daytime Shift // In office Tuesday, Wednesday and Thursday - office address is 3326 160t...

Job Title: Procurement Engineer Location: Oak Ridge, Tennessee Type: Direct Hire Contractor Work Model: Onsite System One is seeking a highly motivated Procurement Engineer to support a nuclear-technology client in Oak Ridge, TN. This role will play a ...

Sales Engineer – Nuclear Manufacturing Location: Chattanooga, TN | Experience Preferred: 10+ Years System One is looking for an experienced Sales Engineer for a direct hire opportunity for our client in Chattanooga, TN. In this role, you will serve as ...

Job Title: Deputy Chief Engineer Per Federal contract requirement U.S. Citizenship required Location: Washington, D.C. Area (100% On-Site) Must be able to pass federal background check Clearance: Active or ability to obtain Public Trust Clearance Type:...

Job Title: Data Engineer Location: Remote - Eastern Time Zone Type: Contract - I year to start Compensation: $95000 - $140000 annually Contractor Work Model: Remote Security Clearance: US Citizenship Required The Data Engineer supports data platforms, ...

Job Title: Network Security Engineer - Firewall Migration Specialist ( US citizen, clearance ) Location: Washington, District Of Columbia Type: Direct Hire For immediate consideration, please connect with me on LinkedIn at https://www.linkedin.com/in/d...

Job Title: Commercial Grade Dedication Engineer, Nuclear Location: Oak Ridge, Tennessee Type: Direct Hire Contractor Work Model: Onsite We are seeking a Commercial Grade Dedication Engineer, for a role maintaining safety and excellence in the nuclear i...

Job Title: Electronics Lab Technician Location: Oak Ridge, Tennessee Type: Direct Hire Contractor Work Model: Onsite System One is seeking an Electronics Lab Technician for a direct hire opportunity based in Oak Ridge, TN. In this pivotal role, you wil...

Data Automation Engineer REMOTE - Quarterly travel to Washington, DC Type: Contract Pay Rate: $45.50 - $53.00 hourly Security Clearance: Per government contract, must be US citizen and able to obtain a Public Trust clearance. We are seeking a customer ...

Job Title: Quality Assurance Specialist Type: Contract Compensation: Contractor Work Model: Remote Overview: System One is seeking an experienced Quality Assurance Specialist to support our client, in developing and implementing their ISO 19443:2018 Qu...

Data/AI Enterprise Architect Washington, DC - 100% ONSITE US citizenship required per government contract Must be able to obtain Public Trust ALTA IT Services is in search of a candidate who has deep knowledge of enterprise architecture principles, AI ...

Job Title: Engineer Technical Lead Location: Washington, District Of Columbia Type: Contract Compensation: $47.50 hourly Contractor Work Model: Onsite - Washington, DC Security Clearance: Public Trust (DOJ Public Trust Preferred) Job Summary: ALTA IT S...

Job Title: ServiceNow Architect Location: Washington, DC Work model: hybrid, onsite 2-3 days a month (candidates must be local starting day1) Type: Contract To Hire Responsibilities: Seeking a ServiceNow Architect to lead the delivery and future state ...