Mechanical Test Engineer
Bellevue, Washington
Experience: 0
Category: Other
Contractor Work Model: Onsite
Brand: System One
Shift: On-Site
Compensation Range: 37.00 - 74.00 Per Hour
Job ID: 344616
Date Posted: 01/09/2026
Shortcut: http://jobs.systemone.com/N5bWPs
Mechanical Test Engineer (Contract)
System One is seeking a Mechanical Test Engineer to support advanced nuclear reactor research and development efforts. This contract role is ideal for engineers who thrive in hands-on testing environments and enjoy collaborating across engineering, technical, and research teams to execute complex mechanical testing programs.
System One is an Equal Opportunity Employer. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religion, national origin, disability, veteran status, or any other protected characteristic under applicable law.
Position Summary
The Mechanical Test Engineer will be responsible for reviewing test requirements, designing and executing mechanical tests, and authoring comprehensive test documentation and reports. This role works closely with internal and external stakeholders to ensure testing meets technical requirements, safety standards, and project schedules.
The successful candidate will operate as part of a multidisciplinary team of engineers and technicians supporting experimental testing, validation, and qualification activities within a regulated nuclear environment.
This role requires onsite presence in Bellevue or Everett, WA.
The expectation is a minimum of three (3) days onsite per week, with some weeks requiring full-time onsite support (five days per week) depending on testing schedules and project needs.
Key Responsibilities
-
Assist in drafting and reviewing test requirements
-
Author test design documents, test procedures, test reports, and supporting documentation
-
Translate conceptual requirements into actionable test specifications, including instrumentation strategy and success criteria
-
Define, 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 planning
-
Manage test campaigns from concept through execution and reporting, including test setup, system validation, and post-test analysis
-
Support safe execution of testing activities, including work at elevated heights (typically under 60 feet)
-
Under guidance of senior engineers, support setup and commissioning of experimental equipment
-
Apply nuclear industry best practices and support continuous improvement initiatives
Qualifications & Skills
-
Bachelor’s degree in an applicable engineering discipline
-
3+ years of relevant experience in a testing, research, or R&D environment (preferred)
-
Experience post-processing and documenting experimental data
-
Experience with multiple test types (R&D, acceptance, validation, qualification)
-
Experience with strain, vibration, linear motion, static loading, and dynamic loading preferred
-
Experience working with large, complex mechanical systems preferred
-
Practical understanding of mechanical testing concepts including force/displacement, structural deflection, vibration/impact, dynamic loading, and environmental exposure
-
Familiarity with dimensional and inspection tools (e.g., Faro trackers, CMMs), even if not directly operating them
-
Ability to manage projects with multiple objectives and resolve competing priorities
-
Ability to work on multiple tasks concurrently
-
Strong technical writing and communication skills
-
Safety-conscious mindset
-
Ability to work in a lightly structured environment requiring a mix of standards-based guidance and first-principles problem solving
-
Familiarity with engineering tools such as LabVIEW, SolidWorks, Jira/Confluence, and Microsoft Office 365 (preferred)
-
High degree of integrity, trustworthiness, and commitment to teamwork
Physical & Work Requirements
-
Ability to sit and/or stand for extended periods
-
Bending, stooping, grasping, gripping, and fine motor control required
-
Ability to safely lift up to 25 pounds
-
Repetitive work and visual/audio focused tasks
-
Standard office and laboratory work environments (>8 hours/day)
-
Travel: 0–5%
Ref: #161-Managed Staffing Charlotte
-
Materials Engineer
Bellevue, WA
Job Title: Materials Engineer Location: Bellevue, WA & Everett, WA Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Onsite We are seeking a Materials Engineer (level to be determined based upon qualifications – Engineer, Senior Engi...
Date Posted: 12/15/2025 Recommended
-
Nuclear Mechanical Design Engineer
Bellevue, Washington
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...
Date Posted: 11/03/2025 Recommended
-
Mechanical Test Technician
Bellevue, Washington
Mechanical Test Technician System 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 closel...
Date Posted: 01/09/2026 Recommended
-
Senior Control Systems Engineer
Everett, WA
Job Title: Senior Control Systems Engineer Location: Everett, WA Type: Contract (yearlong) Compensation: $52 - $85 hourly Contractor Work Model: Onsite (Local candidates only) System One is seeking a highly motivated Controls System Engineer for a long...
Date Posted: 01/08/2026 Recommended
-
Nuclear Commercial Grade Dedication Engineer
Chattanooga, TN
Job Title: Nuclear Commercial Grade Dedication Engineer Type: Direct Hire Contractor Work Model: Onsite, Hybrid, or Remote Position Overview: As a Nuclear Commercial Grade Dedication Engineer, you will serve as the technical authority responsible for t...
Date Posted: 12/15/2025 Recommended
-
RF Engineer
Morrisville , NC
Job Title: RF Engineer Location: Hybrid (onsite ~3x weekly) – Morrisville, NC Role Type: Full Time, Direct Hire Clearance/Residency Requirement: US Citizenship or Permanent Residency Required A NC-based defense technology company is developing disrupti...
Date Posted: 12/02/2025 Recommended
-
Materials Engineer
Bellevue, WA
Job Title: Materials Engineer Location: Bellevue, WA (local candidates only) Type: Contract (yearlong, typically extends on a yearly basis) Compensation: $37 - $74 hourly Contractor Work Model: Onsite Paid holidays | PTO System One is seeking a highly ...
Date Posted: 12/01/2025 Recommended
-
Senior Materials Testing Engineer
Everett, WA
Job Title: Senior Materials Testing Engineer Location: Everett, WA (local candidates only) Type: Contract (yearlong) Typically extends on a yearly basis Compensation: $56 - $95 hourly Contractor Work Model: Hybrid Paid holidays | PTO System One is seek...
Date Posted: 01/05/2026 Recommended
-
Manufacturing Engineer III
Chattanooga, TN
Job Title: Manufacturing Engineer III Location: Chattanooga, TN Type: Direct Hire Contractor Work Model: Onsite System One is actively seeking a Manufacturing Engineer III for a direct hire opportunity with our client in Chattanooga, TN. This role requ...
Date Posted: 01/05/2026 Recommended
-
Fuel Handling Mechanical Design Engineer
Bellevue, WA
Job Title: Fuel Handling Mechanical Design Engineer Location: Bellevue, WA Type: 12-month Contract Contractor Work Model: Remote Position Overview: We are seeking a dynamic and highly motivated Fuel Handling Mechanical Design Engineer for a long-term c...
Date Posted: 12/15/2025 Recommended
-
Reactor Engineer
Jenkinsville, South Carolina
Company: System One Location: Jenkinsville, SC 29065 Work Environment: Onsite – Nuclear Power Plant Employment Type: Direct Hire, Full-Time Relocation Assistance: Available Engineer, Senior Engineer, or Staff Engineer – Reactor Engineering System One i...
Date Posted: 01/08/2026 Recommended
-
Test Design Engineer
Bellevue, WA
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) ...
Date Posted: 12/15/2025 Recommended
-
Fluid Systems Design Engineer
Bellevue, WA
Job Title: Fluid Systems Design Engineer Type: Contract (12 months) Compensation: $52 - $85 hourly Contractor Work Model: Remote System One is seeking a highly capable and motivated System Design Engineer – Fluid Systems to support advanced nuclear and...
Date Posted: 01/09/2026 Recommended
-
Weld Engineer
Bellevue, WA
Job Title: Weld Engineer Location: Bellevue, WA (local candidates only) Type: Contract (yearlong) typically extends on a yearly basis Compensation: $52 - $85 hourly Contractor Work Model: Onsite Paid Holidays | PTO System One is seeking a highly motiva...
Date Posted: 01/05/2026 Recommended
-
Commissioning Engineer
El Segundo, CA
Job Title: Commissioning Engineer Location: LA Metro Commissioning Sites Type: Direct Hire Compensation: $100-115k annually Contractor Work Model: Onsite Purpose: The Commissioning Engineer will test and troubleshoot various systems, equipment, and mac...
Date Posted: 10/16/2025 Recommended
-
System Engineer
El Segundo, CA
Job Title: System Engineer Location: El Segundo, CA Type: Direct Hire Compensation: $120000 - $140000 annually Contractor Work Model: Onsite Purpose: As hands-on technical experts, Staff Systems Engineer and Principal Systems Engineer will apply extens...
Date Posted: 10/16/2025 Recommended
-
Reactor Core and Component System Design Engineer
Bellevue, WA
Job Title: Reactor Core and Component System Design Engineer Location: Bellevue, WA Type: Long-term Contract Compensation: $69 - $115 hourly Contractor Work Model: Remote Position Overview: We are seeking a highly skilled and motivated Reactor Core and...
Date Posted: 12/15/2025 Recommended
-
Resident Engineer - Nuclear
Loveland, Colorado
Resident Engineer Location: Onsite in Loveland, CO Pay Rate: $50–$80/hour Position Type: Contract (via System One) System One is seeking a highly motivated Nuclear Island Resident Engineer to support supplier activities on-site at James Fisher Technolo...
Date Posted: 01/09/2026 Recommended
-
Engineer
Eau Claire, Wisconsin
Job Title: Engineer Location: Eau Claire, Wisconsin Type: 12 month Contract Compensation: $58 - $61 hourly Contractor Work Model: Onsite System One is currently seeking an Engineer on a 12 month contract position located in Eau Claire, WI. Engineer Res...
Date Posted: 12/02/2025 Recommended
-
Engineer
Tuscaloosa, Alabama
Job Title: Engineer Location: Tuscaloosa, Alabama Type: 22 month Contract Compensation: $36.00 hourly Contractor Work Model: Onsite System One is currently seeking an Engineer on a 22 month contract position located in Tuscaloosa, AL. Engineer Responsi...
Date Posted: 01/02/2026 Recommended
-
Simulator Engineer
Corvillas, OR
Simulator Engineer – Direct Hire Opportunity Corvallis, OR (Preferred) | Remote Options Considered System One is seeking a skilled Simulator Engineer for a direct hire opportunity supporting a client in the nuclear industry. The ideal candidate will he...
Date Posted: 12/09/2025 Recommended
-
Refueling & Remote Handling Engineer
Corvillas, OR
Job Title: Refueling & Remote Handling Engineer Type: Direct Hire Compensation: $127000 - $153000 annually Contractor Work Model: Remote Excellent Benefits Package offered NOTE: This position is available to be fully remote with travel as needed. POSIT...
Date Posted: 12/17/2025 Recommended
-
Senior Engineer
Bellevue, Washington
System One is seeking an experienced Senior Mechanical Engineer to support the design and development of reactor structures and components for a next-generation Generation IV advanced nuclear reactor program. This role is focused on high-integrity nucl...
Date Posted: 01/05/2026 Recommended
-
Primary Heat Transport System Design Engineer
Bellevue, WA
Job Title: Primary Heat Transport System Design Engineer Location: Remote Type: Contract (yearlong) typically extends on a yearly basis Compensation: $56 - $95 hourly Contractor Work Model: Remote Paid holidays | PTO System One is seeking a Primary Hea...
Date Posted: 11/24/2025 Recommended
-
Commercial Grade Dedication Engineer, Nuclear
Oak Ridge, Tennessee
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...
Date Posted: 01/06/2026 Recommended
-
Nuclear Fuel Handling Resident Engineer
Huntsville, Alabama
Job Title: Nuclear Fuel Handling Resident Engineer Location: Huntsville, AL Type: Contract Job Title: Nuclear Fuel Handling Resident Engineer Position Overview: We are actively seeking a highly skilled Nuclear Fuel Handling Resident Engineer to provide...
Date Posted: 12/15/2025 Recommended
-
Mechanical Design Engineer
Bellevue, WA
Job Title: Mechanical Design Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis. Compensation: $37 - $74 hourly Contractor Work Model: Fully Remote System One is seeking a Mechanical Design Engineer for a full...
Date Posted: 01/05/2026 Recommended
-
Senior Safety Methods Engineer
Bellevue, WA
Job Title: Senior Safety Methods Engineer Location: Bellevue, WA (local candidates only) Type: Contract (yearlong) typically extends on a yearly basis Compensation: $69 - $115 hourly Contractor Work Model: Onsite Paid holidays and PTO System One is see...
Date Posted: 01/05/2026 Recommended
-
Senior Mechanical Design Engineer
Bellevue, WA
Job Title: Senior Mechanical Design Engineer Location: Bellevue, WA Type: Contract (yearlong) typically extends on a yearly basis Compensation: $56 - $95 hourly Contractor Work Model: Fully Remote System One is seeking a Senior Mechanical Design Engine...
Date Posted: 01/05/2026 Recommended
-
Senior Materials Engineer
Bellevue, WA
Senior Materials Engineer Location: Bellevue, Washington (On-site) Company: System One Rate: $52 – $85/hour Type: Long-term Contract System One is seeking a Senior Materials Engineer to join a high-performing team of engineers focused on materials proc...
Date Posted: 01/05/2026 Recommended