• Subcontract Administrator III

    Kent, WA

    Job Title: Subcontract Administrator III Location: Kent, WA Type: Contract / On-site Contractor Work Model: On-Site Compensation: $85+ per hour Responsibilities Administer subcontracts for large components or major structures (e.g., cryogenic tanks, pr...

    Date Posted: 06/15/2026

  • Supplier Project Engineer, Supply Chain

    Bellevue, WA

    Job Title: Supplier Project Engineer, Supply Chain Company: System One Location: Bellevue, WA / Remote Pay Rate: $69.00 - $115.00 per Hour Position Type: Contract Duration: 12 Months with Possible Extension Position Overview System One is seeking a Sup...

    Date Posted: 06/15/2026

  • Senior Welding Engineer

    Bellevue, WA

    Job Title: Senior Welding Engineer Location: Bellevue, WA Type: Contract Compensation: $56.00 Contractor Work Model: Onsite – onsite Hours: 40.0 Overview System One is seeking a Senior Welding Engineer for a yearlong contract role to work as part of a ...

    Date Posted: 06/15/2026

  • Nuclear Maintenance & Training Developer

    Bellevue, WA

    Job Title: Nuclear Maintenance & Training Developer Location: Bellevue, WA Type: Contract Compensation: $37.00-$74.00 Contractor Work Model: Remote – offsite Hours: 40.0 Overview System One is seeking a Nuclear Maintenance & Training Developer for a ye...

    Date Posted: 06/15/2026

  • Senior Platform Engineer

    Washington, DC

    Senior Platform Engineer Washington, DC – onsite US citizenship required per government contact Must be able to obtain Public Trust clearance Type: Multi-Year Contract supporting Federal Reserve Board Open to W2 and C2C Deadline to apply: June 29th Joi...

    Date Posted: 06/15/2026

  • RAC System Engineer (Process & I&C)

    Bellevue, WA

    Job Title: RAC System Engineer (Process & I&C) Contractor Work Model: Remote – offsite Responsibilities: Design nuclear and industrial mechanical, instrumentation, and control systems, including requirements definition, analysis, specifications, and sy...

    Date Posted: 06/15/2026

  • Solidworks Drafter

    Bellevue, WA

    Job Title: Solidworks Drafter Location: Bellevue, WA Type: Contract Compensation: $50.00 - $80.00 per hour Contractor Work Model: Onsite Bellevue, remote available for exceptionally qualified non-local candidates. Overview: Solidworks Drafter (contract...

    Date Posted: 06/15/2026

  • Principal Engineer, Seismic CSA Integration and Oversight

    Bellevue, WA

    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...

    Date Posted: 06/15/2026

  • Contract Administrator

    Bellevue, WA

    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...

    Date Posted: 06/15/2026

  • Helpdesk Technician

    Bellevue, WA

    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...

    Date Posted: 06/15/2026

  • Senior Safety Verification and Validation Engineer

    Bellevue, Washington

    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...

    Date Posted: 06/15/2026

  • Senior Mechanical Engineer (Vessels)

    Bellevue, WA

    Job Title: Senior Mechanical Engineer (Vessels) Location: Bellevue, WA Type: Contract Compensation: $69.00 - $115.00 Contractor Work Model: Remote – offsite Hours: 40.0 Overview System One is seeking a Senior Mechanical Engineer to create design soluti...

    Date Posted: 06/15/2026

  • Senior Nuclear Safety Analysis Engineer (Accident/Transient Methods)

    Bellevue, WA

    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...

    Date Posted: 06/15/2026

  • HVAC Engineer

    Richland , Washington

    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...

    Date Posted: 06/15/2026

  • Senior Structural Analyst

    Bellevue, WA

    Job Title: Senior Structural Analyst Location: Bellevue, WA Type: Contract Compensation: $54.00 - $90.00 per hour Contractor Work Model: Remote – offsite Hours: 40.0 Overview System One is seeking highly motivated and resourceful Senior Structural Anal...

    Date Posted: 06/15/2026

  • Senior Mechanical Engineer (Supports)

    Bellevue, WA

    Job Title: Senior Mechanical Engineer (Supports) Location: Bellevue, WA Type: Contract Compensation: $69.00 - $115.00 Contractor Work Model: Remote – offsite Hours: 40.0 Overview System One is seeking a Senior Mechanical Engineer to create design solut...

    Date Posted: 06/15/2026

  • Electrical Designer

    Richland, WA

    Job Title: Electrical Designer Location: Richland, WA (local candidates only) Type: Contract Compensation: $45.00 - $65.00 Contractor Work Model: Onsite – onsite Hours: 40.0 Overview: System One is seeking an Electrical Designer for a 6-month contract ...

    Date Posted: 06/15/2026

  • RAC Component Design Engineer (Ventilation)

    Bellevue, WA

    Job Title: RAC Component Design Engineer (Ventilation) Location: Bellevue, WA Type: Contract Compensation: $50.00 - $80.00 Contractor Work Model: Remote – offsite Hours: 40.0 Overview System One is seeking a Component Design Engineer. This role will su...

    Date Posted: 06/15/2026

  • Deskside Support Technician (Tier II)

    Washington, DC

    Job Title: Deskside Support Technician (Tier II) Location: Washington, DC Type: Contract Contractor Work Model: Onsite – onsite Pay: $39/h Security Clearance: Public Trust Overview This role is supporting a fast-paced government environment in Washingt...

    Date Posted: 06/11/2026

  • Fuel Handling Design Engineer

    Bellevue, Washington

    Job Title: Fuel Handling Design Engineer Location: Bellevue, Washington Type: Contract Contractor Work Model: Hybrid Hours: 40.0 Overview Responsibilities Design nuclear fuel handling systems and fuel handling equipment from requirements development th...

    Date Posted: 06/09/2026

  • remote Cybersecurity Engineer ( US citizens or Green cards only )

    Washington, District Of Columbia

    *** This is a direct hire role - W2 salary with full benefits - no contractors *** ONLY US CITIZENS -or- US PERMANENT RESIDENTS ( GREEN CARD ) - NO C2C candidates, NO 3rd parties - NO visa sponsorship, NO green card sponsorship - NO F1 visa students, N...

    Date Posted: 06/09/2026

  • Senior Cloud Administrator

    Washington, DC

    Senior Cloud Administrator Washington, DC – onsite US citizenship required per government contact Must be able to obtain Public Trust clearance Type: Multi-Year Contract Open to W2 and C2C Deadline to apply: June 22nd Join our Cloud Architecture and Ad...

    Date Posted: 06/09/2026

  • Software Development V (SME Oracle APEX Developer)

    Washington, DC

    Job Title: SME Oracle APEX Developer Location: Washington, DC (Onsite) Type: Contract Security Clearance: Public Trust Responsibilities Work at the direction of the program manager to support the full lifecycle development of custom Oracle Applications...

    Date Posted: 06/09/2026

  • Systems and Requirements Management Engineer

    Bellevue, WA

    Job Title: Systems & Requirements Management Engineer Location: Remote Pay $52-$85 an hour Position Type: Long term Contract Position Overview System One is seeking a highly motivated Systems & Requirements Management Engineer to support advanced nucle...

    Date Posted: 06/09/2026

  • EDMS IT Business Analyst

    Bellevue, WA

    Job Title: EDMS IT Business Analyst Location: Bellevue, WA Type: Contract Compensation: $37.00 - $74.00 Onsite work model preferred, exceptional remote candidates may be considered. Overview: Contract EDMS IT Business Analyst needed to gather/document ...

    Date Posted: 06/09/2026

  • Safety Analysis Engineer, Nuclear

    Bellevue, WA

    Job Title: Safety Analysis Engineer, Nuclear Location: Bellevue, WA Type: Contract, 12 months Contractor Work Model: Remote Overview This contract Safety Analysis Engineer role performs deterministic nuclear safety analysis and transient/accident model...

    Date Posted: 06/09/2026

  • Senior Safety Methods Engineer

    Bellevue, WA

    Job Title: Senior Safety Methods Engineer Location: Bellevue, WA Type: Contract, 12 months Compensation: $37.00 - $74.00 Contractor Work Model: Onsite, remote available for exceptional non-local candidates. Overview: This role develops and qualifies sy...

    Date Posted: 06/09/2026

  • Senior Cloud Administrator

    Washington, DC

    Senior Cloud Administrator Washington, DC – onsite US citizenship required per government contact Must be able to obtain Public Trust clearance Type: Multi-Year Contract Open to W2 and C2C Deadline to apply: June 22nd Join our Cloud Architecture and Ad...

    Date Posted: 06/09/2026

  • RAC System Design Engineer (Mechanical)

    Bellevue, WA

    Job Title: RAC System Design Engineer (Mechanical) $54 - $90 an hour Location: Remote 12 months with possible extension Position Overview System One is seeking a RAC System Design Engineer (Mechanical) to support the design and delivery of an advanced ...

    Date Posted: 06/09/2026

  • CRD System Design Engineer (Mechanical)

    Bellevue, WA

    Job Title: CRD System Design Engineer (Mechanical) Company: System One Location: Bellevue, WA / Remote Pay Rate: $54.00 - $90.00 per Hour Position Type: Contract Duration: 12 Months with Possible Extension Position Overview System One is seeking a CRD ...

    Date Posted: 06/09/2026