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...

Job Title: Operations Support Specialist 1 Location: Los Alamos, New Mexico Security Clearance: Active DOE Q Clearance Required Schedule: Full-Time, 40 hours per week Position Duration: February 23, 2026 – February 23, 2028 Position Summary The Operati...

Job Title: Subject Matter Expert 4 Location: Los Alamos, NM Type: Contract (yearlong) Contractor Work Model: Onsite Hours: 40 hours a week System One is seeking to contract with a Subject Matter Expert for a top national laboratory on-site in Los, Alam...

Job Title: Administrative Assistant III Location: Los Angeles, CA Hours/Schedule: Monday–Friday, 8 am to 5 pm Compensation: $23-$30/hr Type: Contract Overview The Administrative Assistant III provides advanced administrative, organizational, and custom...

Environmental & Seismic Engineer – Oak Ridge, TN (Onsite) Type: Direct Hire Work Model: Onsite (Relocation assistance not provided) System One is seeking an experienced Environmental and Seismic Engineer to support nuclear facility programs in Oak Ridg...

Job Title: Restaurant POS Sales Representative / Sales Executive Location: Los Angeles, California Type: Direct Hire For immediate consideration, please connect with me on LinkedIn at https://www.linkedin.com/in/dpotapenko and then email your resume, w...

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...

Job Title: Senior Nuclear Structural Engineer Location: Birmingham, Alabama Type: 3 year Contract Compensation: $63.00 hourly Contractor Work Model: Onsite System One is currently seeking a Senior Nuclear Structural Engineer on a 3 year contract positi...

Qualification Engineer – Oak Ridge, TN (Onsite) Type: Direct Hire Work Model: Onsite (Relocation assistance not provided) System One is seeking a highly skilled Qualification Engineer to support a nuclear technology client in Oak Ridge, TN. This role i...

Job Title: Senior Safety Methodology Engineer Location: Bellevue, WA Type: Contract Compensation: $67 - $110 hourly Contractor Work Model: Remote About This Opportunity System One is seeking to place a Senior Safety Methodology Engineer with our client...

Job Title: Test Design Engineer Location: Bellevue, WA Type: Long-term Contract Contractor Work Model: Remote or Onsite Position Overview: We are seeking a highly motivated and skilled Test Design Engineer to join our Instrumentation and Control (I&C) ...

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...

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...

LA’s leading non profit agency serving the homeless population is looking for a Case Manager to join their busy team. Summary The Case Manager is responsible for screening and eligibility, service coordination, and triage for families/Singles seeking s...

Job Title: Plant Design Integration Engineer Type: Contract (yearlong) typically extends on a yearly basis Compensation: $56 - $95 hourly Contractor Work Model: Fully Remote Paid Holidays | PTO System One is seeking to contract with a Plant Integration...

Job Title: Refueling & Remote Handling Engineer Location: Corvallis, OR Type: Contract Contractor Work Model: Remote Responsibilities: Lead the development of solutions for complex problems in fuel and reactor module handling, including remote disassem...

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: 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: Project EHS Manager Location: Oakland, California Type: Direct Hire Compensation: $109000 - $170000 annually Contractor Work Model: Onsite Hours: Add the job’s scheduled days and times (delete if not needed) Security Clearance: List security...

Job Title: System Design Engineer, Sodium Cover Gas System Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $52.00 - $85.00 hourly Contractor Work Model: Fully Remote (US based) Paid Holidays | PTO Syst...

Job Title: Structural Design Engineer, Commercial Nuclear Location: Atlanta, Georgia Type: Contract Compensation: Contractor Work Model: Remote Hours: Add the job’s scheduled days and times (delete if not needed) Security Clearance: List security clear...

Job Title: HR Assistant Location: Pittsburgh, PA Type: Direct Hire Contractor Work Model: Onsite SUMMARY: The Human Resources Assistant is responsible for providing Human Resources support to assigned functional areas of the HR Department for the Compa...

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...

Job Title: HVAC Engineer Location: Richland , Washington Type: Direct Hire Compensation: $126,000 - $171,000 annually Contractor Work Model: Onsite System One is hiring HVAC Engineers for direct, full-time roles supporting engineering projects across t...

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: Mechanical Assembly Supervisor Location: Elmira Heights, NY Type: Direct Hire Compensation: $70000 - $90000 annually Contractor Work Model: Onsite Hours: Add the job’s scheduled days and times (delete if not needed) Security Clearance: List ...

Job Title: Refueling & Remote Handling Engineer 3 (Direct Hire) Location: Corvallis, OR Work Model: Remote Responsibilities: Help develop resolutions to complex problems requiring creativity and innovation. Utilize engineering input across organization...

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: Structural Analysis Engineer Type: Contract Contractor Work Model: Remote POSITION SUMMARY: We are seeking a highly skilled Structural Analysis Engineer to apply their technical expertise in performing civil structural analyses and design fo...

Job Title: Manufacturing Quality Manager Location: Blairsville, PA Type: Direct Hire Compensation: $120000 annually Contractor Work Model: Onsite Objective Lead quality management operations and coordinate workplace safety protocols across two manufact...