• System One Holdings, LLC (Bellevue, WA)
    …Washington Type: Contract Compensation: $53 - $70 hourly Contractor Work Model: Remote System One is supporting a nuclear technology project team working on ... the nuclear field. Activities span nuclear energy, hybrid energy systems , and medical isotope innovations - all targeting significant...to changes in plant design, procedures, or project needs. System One , and its subsidiaries including Joul,… more
    Upward (07/02/25)
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  • Requirements Management Systems Engineer

    System One (Bellevue, WA)
    …Engineer Type: Contract Compensation: $63 - $80 hourly Contractor Work Model: Remote System One is seeking a Requirements Management Engineer to support advanced ... + High degree of integrity and commitment to teamwork and open communication. System One , and its subsidiaries including Joule, ALTA IT Services, and… more
    System One (07/22/25)
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  • Sr. Nuclear Fuel Fabrication Engineer

    System One (Bellevue, WA)
    …and a collaborative environment through constructive feedback. Ref: #161-Managed Staffing Charlotte System One , and its subsidiaries including Joule, ALTA IT ... help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but… more
    System One (07/22/25)
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  • Cost Estimator

    System One (Bellevue, WA)
    System One is seeking to hire Cost Estimator for a long-term contract opportunity. On site Bellevue, Washingotn. The Cost Estimator will support the cost ... respect and a desire to foster teamwork. Ref: #161-Managed Staffing Charlotte System One , and its subsidiaries including Joule, ALTA IT Services, CM Access,… more
    System One (07/22/25)
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  • Software Engineer

    System One (Bellevue, WA)
    …only) Type: Contract (yearlong) Compensation: $53 - $70 hourly Contractor Work Model: Onsite System One is seeking to contract with a highly capable and ... to other developers, + Support software builds and testing systems (like Jenkins instance and related dashboards), + Support...title will be determined based on assessment of qualifications. System One , and its subsidiaries including Joule,… more
    System One (07/22/25)
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  • Engineering Project Coordinator

    System One (Bellevue, WA)
    …trustworthiness, with a commitment to fostering teamwork. Ref: #161-Managed Staffing Charlotte System One , and its subsidiaries including Joule, ALTA IT ... help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but… more
    System One (07/18/25)
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  • Staff Accountant/Accounts Payable

    System One (Bellevue, WA)
    System One is seeking an experienced Accounts Payable professional for a 3-month contract on-site in Bellevue, WA. Candidates must be local to the area. The ... with strong communication and respect for teamwork. Ref: #161-Managed Staffing Charlotte System One , and its subsidiaries including Joule, ALTA IT Services,… more
    System One (07/16/25)
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  • Thermal Hydraulic Test Engineer

    System One (Bellevue, WA)
    …and integrity, communicate openly and display respect, and a desire to foster teamwork. System One , and its subsidiaries including Joule, ALTA IT Services, and ... help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but… more
    System One (07/11/25)
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  • Project Coordinator / Data Automation Specialist

    System One (Bellevue, WA)
    …or other data visualization platforms is a plus. Ref: #161-Managed Staffing Charlotte System One , and its subsidiaries including Joule, ALTA IT Services, CM ... We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients,… more
    System One (07/11/25)
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  • Project Controls Specialist

    System One (Bellevue, WA)
    …Specialist Type: Contract Compensation: $63 - $80 hourly Contractor Work Model: Remote System One is seeking a Project Coordinator to support the management ... supervision. + Capable of managing complex projects with multiple competing priorities. System One , and its subsidiaries including Joule, ALTA IT Services,… more
    System One (07/10/25)
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  • Safeguard and Non-Proliferation Engineer

    System One (Bellevue, WA)
    …Bellevue, WA (Onsite Preferred) Employment Type: Contract Duration: 12 months Travel: 10-20% System One is seeking a Safeguards & Non-Proliferation Engineer to ... experience working with domestic or international nuclear regulatory or oversight agencies. System One , and its subsidiaries including Joule, ALTA IT Services,… more
    System One (07/09/25)
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  • Assistant Engineering Project Manager

    System One (Bellevue, WA)
    …Compensation: $63 - $90 hourly Contractor Work Model: Onsite (Remote may be considered) System One is seeking an experienced Assistant Project Manager for a ... written communication skills. + Demonstrated integrity, open communication, and collaborative mindset. System One , and its subsidiaries including Joule, ALTA IT… more
    System One (07/09/25)
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  • Soduim Cover Gas System Design Engineer

    System One (Bellevue, WA)
    … Design Engineer Location: Bellevue, WA (Onsite Preferred) Employment Type: Contract (W2 via System One ) Duration: 12 months Travel: Approximately 10% System ... related field. + 5+ years of direct experience in system design and mechanical systems engineering. +...degree of integrity, collaborative mindset, and strong team orientation. System One , and its subsidiaries including Joule,… more
    System One (07/09/25)
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  • Primary Sodium Pump Test Engineer

    System One (Bellevue, WA)
    …$63- $80/hr | 1-Year Contract with possible extension Location: Everett, WA / Bellevue, WA System One is seeking a Primary Sodium Pump Test Engineer to support a ... to lead tasks with minimal supervision + Nuclear or DOE project experience preferred System One , and its subsidiaries including Joule, ALTA IT Services, and… more
    System One (07/09/25)
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  • Sodium Fire Design and Analysis Engineer

    System One (Bellevue, WA)
    …Type: Contract (yearlong) Compensation: $102 - $130 hourly Contractor Work Model: Fully Remote System One is hiring a Sodium Fire Design and Analysis Engineer ... and integrity, communicate openly and display respect and a desire to foster teamwork. System One , and its subsidiaries including Joule, ALTA IT Services, and… more
    System One (07/08/25)
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  • Senior Mechanical Design Engineer

    System One (Bellevue, WA)
    …Type: Contract Compensation: $63 - $80 hourly Contractor Work Model: Remote System One (https://www.linkedin.com/preload/#) is actively seeking a Sr. Mechanical ... (CVAP) Background in experimental design and product testing in highly regulated environments System One , and its subsidiaries including Joule, ALTA IT Services,… more
    System One (07/08/25)
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  • Control Rod Drive Test Engineer

    System One (Bellevue, WA)
    …Bellevue, WA Type: Contract Compensation: $63 - $80 hourly Contractor Work Model: Onsite System One is seeking a highly motivated Control Rod Drive Test Engineer ... Ability to work independently, manage competing priorities, and lead cross-functional efforts System One , and its subsidiaries including Joule, ALTA IT Services,… more
    System One (07/08/25)
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  • Principal Probabilistic Risk Assessment Engineer

    System One (Bellevue, WA)
    …Contract (yearlong) Compensation: $102 - $130 hourly Contractor Work Model: Fully Remote System One is hiring a Principal Probabilistic Risk Assessment (PRA) ... + High degree of trust, integrity, open communication, respect for others, and teamwork. System One , and its subsidiaries including Joule, ALTA IT Services, and… more
    System One (07/08/25)
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  • EPC Oversight Project Manager

    System One (Bellevue, WA)
    …Bellevue, WA Type: Contract Compensation: $84 - $100 hourly Contractor Work Model: Onsite System One is seeking a skilled Project Manager for a 12-month contract ... fostering teamwork. + Willingness and ability to travel 10-20% as required. System One , and its subsidiaries including Joule, ALTA IT Services, and Mountain… more
    System One (07/08/25)
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  • Senior Safety Verification and Validation Engineer

    System One (Bellevue, WA)
    System One is seeking highly motivated Senior Safety Verification and Validation Engineer to support our customer in Bellevue Washington. Remote opportunity for ... be determined based on assessment of qualifications. Ref: #161-Managed Staffing Charlotte System One , and its subsidiaries including Joule, ALTA IT Services,… more
    System One (07/04/25)
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