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Senior Mechanical Design Engineer

Job in Bellevue, King County, Washington, 98009, USA
Listing for: Protingent
Full Time position
Listed on 2026-01-12
Job specializations:
  • Engineering
    Mechanical Engineer, Engineering Design & Technologists
Salary/Wage Range or Industry Benchmark: 56 - 95 USD Hourly USD 56.00 95.00 HOUR
Job Description & How to Apply Below

Position Title

Senior Mechanical Design Engineer

Position Description

Protingent Staffing has an exciting contract Senior Mechanical Design Engineer opportunity.

Job Responsibilities
  • Design of reactor structures and components from requirements through final design.
  • Coordinate inputs and requirements from Engineering and Project teams to produce equipment and components design solutions.
  • Perform scoping analysis and calculations for design options.
  • Interface with the team’s engineering analysis activities.
  • Technically manage supplier activities.
  • Present equipment and components design results for design reviews.
  • Assess technical merit of solutions provided by team members, including leading design reviews.
  • Interface with junior engineers and subcontractors, providing direction and mentoring.
  • Support continuous learning and application of nuclear industry best practices to maintain the highest quality of engineering design and proactively identify process change/enhancement opportunities.
Job Qualifications
  • Education:

    B.S. degree in Mechanical engineering or equivalent preferred.
  • Minimum of eight years of equipment / component design experience; relevant M.S. degree credited as two years of experience.
  • Working experience with ASME Boiler and Pressure Vessel Code Section III.
  • Experience writing design specifications.
  • Experience in Design for Manufacturability (DFM) and Design for Assembly (DFA).
  • Experience in finite element stress analysis, mechanical analysis methods, and commercial mechanical stress analysis modeling tools with emphasis on ANSYS.
  • Excellent writing and communication skills.
  • Strong analytical/problem solving skills, creative thinker.
  • Ability to work with minimum direction to solve challenging problems.
  • Ability to work on multiple tasks concurrently during a given work week.
  • Familiarity with CAD, Solid Works preferred.
  • The successful candidate will possess a high degree of trust and integrity, communicate openly and display respect and a desire to foster teamwork.
Job Details
  • Job Type: Contract
  • Pay Rate Range: $56–$95/hr (
    * Pay rates are approved based on candidate location, education and experience*).
  • Location:

    100% Remote Acceptable
  • Export control regulations require candidates to be a U.S. Citizen, U.S. Legal Permanent Resident, or of a protected person status.
Benefits Package

Protingent offers competitive salaries, insurance plan options (HDHP plan or POS plan), education/certification reimbursement, pre‑tax commuter benefits, Paid Time Off (PTO), and an administered 401k plan.

Seniority Level
  • Mid‑Senior level
Employment Type
  • Contract
Job Function
  • Engineering and Information Technology
About Protingent

Protingent is an award‑winning provider of top‑tier engineering and IT talent, trusted by companies at the forefront of innovation—from software and aerospace to AI, clean tech, medical devices, and connected technologies. We’re passionate about making a positive impact by connecting exceptional talent with meaningful opportunities and helping our clients build the future.

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Position Requirements
10+ Years work experience
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