Mechanical Designer

Mechanical Designer

Location: Bellevue, WA

Job Type: Contract

Work Model: Hybrid (Onsite & Remote)

Schedule: 40 hours/week

Pay Rate: $37.00 - $74.00/hour DOE

System One is seeking a Mechanical Designer to support the design and development of advanced nuclear reactor technology. This position offers the opportunity to work alongside multidisciplinary engineering teams developing next-generation energy systems.

Responsibilities

• Develop 3D CAD models and detailed engineering drawings using SolidWorks.
• Design mechanical and structural components, test fixtures, flow loops, rigs, and sub-scale test articles.
• Create fabrication and assembly drawings in accordance with ASME standards.
• Perform tolerance stack-up analyses and apply GD&T per ASME Y14.5.
• Support structural, thermal, neutronic, radiological, and safety analyses through CAD model development.
• Conduct design trade studies and recommend optimal engineering solutions.
• Maintain configuration control of models and drawings using PDM/PLM systems.
• Participate in design reviews and collaborate with engineering, manufacturing, and testing teams.
• Prepare technical documentation, presentations, and engineering reports.
• Review drawings for accuracy, completeness, and compliance with engineering standards.

Qualifications

• Bachelor's degree in Mechanical Engineering, Electrical Engineering, Chemical Engineering, or a related engineering discipline.
• Minimum 7 years of CAD design experience with strong proficiency in SolidWorks.
• At least 3 years of relevant mechanical design experience.
• Strong understanding of Geometric Dimensioning & Tolerancing (GD&T) per ASME Y14.5.
• Experience creating fabrication drawings and applying Design for Manufacturability (DFM) and Design for Assembly (DFA) principles.
• Strong analytical, problem-solving, and organizational skills.
• Excellent written and verbal communication skills.
• Experience with PDM/PLM systems preferred.

Preferred Qualifications

• Experience working in the nuclear industry or another highly regulated engineering environment.
• Knowledge of ASME NQA-1, ISO 9001, or similar quality standards.
• Experience coordinating with suppliers and subcontractors.
• Familiarity with reactor components, nuclear equipment, or advanced energy technologies.