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Mechanical Test Technician

System OneSeattle, WAJune 1st, 2026
Mechanical Test TechnicianSystem One is seeking a Mechanical Test Technician to support advanced engineering and testing activities within the nuclear energy sector. This role is ideal for hands-on, detail-oriented technicians who enjoy working closely with engineers and scientists to support prototype development, mechanical testing, and experimental systems in a regulated environment.Position SummaryThe Mechanical Test Technician will independently perform a wide range of technical tasks in support of mechanical testing campaigns. The role involves collaboration with engineers, scientists, machinists, and other technicians to design, fabricate, assemble, operate, and test components, subassemblies, vessels, piping systems, and experimental prototypes.This position requires strong hands-on mechanical aptitude, the ability to operate sophisticated test equipment, and experience collecting and evaluating test data to support prototype adjustments and test execution.Onsite presence is required at the Bellevue or Everett, WA locations.The expectation is a minimum of three (3) days onsite per week, with some project phases requiring full-time onsite support (five days per week) depending on testing and program needs.Key ResponsibilitiesExecute hands-on mechanical testing campaigns in accordance with approved proceduresPerform work in compliance with safety, quality, and regulatory guidelinesSupport design, procurement, fabrication, installation, troubleshooting, and repair of test equipment and engineering infrastructureAssist with laboratory maintenance, organization, and cleanupRepair and maintain mechanical equipment and systemsCollaborate with internal stakeholders to translate conceptual requirements into test specifications, including instrumentation strategies and success criteriaDefine, select, and validate measurement instrumentation (e.g., load cells, LVDTs, encoders, RTDs, strain gauges, temperature sensors)Coordinate cross-functional efforts including fixture design, control system integration, and lab space planningManage test campaigns from concept through execution and reporting, including setup, validation, and post-test analysisSupport testing activities that may require working at elevated heights (typically under 60 feet)Under guidance of senior engineers, assist with setup and commissioning of experimental equipmentApply nuclear industry best practices and support continuous improvement initiativesQualifications & SkillsHigh School Diploma or GED (required)2- or 4-year technical degree (preferred)Minimum 4 years of experience in test operations (nuclear, aerospace, military, or industrial)Relevant school or military experience may substituteBasic math skills including algebra, fractions, percentages, and unit conversionsKnowledge of pumps, electric motors, motor controls, piping systems, hydraulic systems, and mechanical equipmentProficiency with personal computers and standard software (Word, Excel, spreadsheets, control system interfaces)Ability to accurately perform, document, and report laboratory test resultsAbility to read and interpret engineered drawingsAbility to read meters and gauges accuratelyUnderstanding of electrical, radiological, and chemical hazards and safety practicesStrong interpersonal and communication skillsLabVIEW experience is a plusPhysical & Work RequirementsAbility to sit and/or stand for extended periodsBending, stooping, grasping, gripping, and fine motor control requiredAbility to safely lift up to 25 poundsRepetitive work and visual/audio focused tasksWork environment may include stairs, typing/keyboard use, and extended workdays (>8 hours)Travel: 0-5%Ref: #161-Managed Staffing CharlotteSystem One, and its subsidiaries including Joulé, ALTA IT Services, CM Access, TPGS, and MOUNTAIN, LTD., are leaders in delivering workforce solutions and integrated services across North America. 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, but we offer eligible full-time employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.