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Mechanical Design Engineer Intern Jobs in Seattle, WA

System One

Mechanical Design Engineer

Bellevue, WA · On-site

$52 - $85/hr

Mechanical Design Engineer Location: Bellevue, Washington Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Hybrid System One is seeking a Mechanical Design Engineer to support the ...

Protingent

Mechanical Design Engineer

Bellevue, WA · On-site

$37 - $74/hr

Mechanical Design Engineer Position Description: Protingent Staffing has an exciting contract Mechanical Design Engineer opportunity. Job Responsibilities: * Design of reactor structures and ...

System One

Senior Mechanical Design Engineer

Bellevue, WA · Remote

$92K - $126K/yr

Senior Mechanical Design Engineer (Core Components) Location: Bellevue, WA Job Type: Contract - Remote Schedule: 40 hours/week System One is seeking a highly motivated Senior Mechanical Design ...

Amazon

Sr. Mechanical Design Engineer

Redmond, WA · On-site

$100K - $138K/yr

The Sr. Mechanical Design Engineer will be a member of the Amazon Leo Inter-Satellite Link team, focusing on the design of the various mechanical ground support equipment (GSE), including assembly ...

Protingent

Senior Mechanical Design Engineer

Bellevue, WA · On-site

$52 - $85/hr

Senior Mechanical Design Engineer Position Description: Protingent Staffing has an exciting contract Senior Mechanical Design Engineer opportunity. Job Responsibilities: * Coordinate and utilize ...

Amazon

Sr. Mechanical Design Engineer

Redmond, WA · On-site

$100K - $138K/yr

The Sr. Mechanical Design Engineer will be a member of the Amazon Leo Inter-Satellite Link team, focusing on the design of the various mechanical ground support equipment (GSE), including assembly ...

Amazon

Sr. Mechanical Design Engineer

Redmond, WA · On-site

$100K - $138K/yr

The Sr. Mechanical Design Engineer will be a member of the Amazon Leo Inter-Satellite Link team, focusing on the design of the various mechanical ground support equipment (GSE), including assembly ...

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How much do mechanical design engineer intern jobs pay per hour?

As of Aug 29, 2026, the average hourly pay for mechanical design engineer intern in Seattle, WA is $24.90, according to ZipRecruiter salary data. Most workers in this role earn between $20.53 and $27.64 per hour, depending on experience, location, and employer.

What is a mechanical design engineer intern?

A Mechanical Design Engineer Intern assists in designing, analyzing, and testing mechanical components and systems. They work with computer-aided design (CAD) software to create models and technical drawings, collaborate with engineering teams, and support prototyping and manufacturing processes. Interns may also conduct research, review specifications, and refine designs to improve efficiency and performance. This role provides hands-on experience in product development and engineering principles.

What does a mechanical design engineer intern do?

As a Mechanical Design Engineer Intern, you will likely assist in creating and modifying CAD models, preparing technical drawings, and supporting prototype development. You may also conduct design analyses, participate in product testing, and collaborate with engineers to troubleshoot and improve existing designs. Interns often interact with cross-functional teams, including manufacturing and quality assurance, to help ensure design feasibility and performance. This hands-on experience provides valuable exposure to real-world engineering problems and builds the foundational skills needed for a full-time career in mechanical design.

What are the key skills and qualifications needed to thrive as a mechanical design engineer intern?

A Mechanical Design Engineer Intern should possess a solid grasp of engineering principles, computer-aided design (CAD) skills, and progress toward a degree in mechanical engineering or a related field. Familiarity with 3D modeling software like SolidWorks or AutoCAD, and understanding of rapid prototyping and simulation tools, are often required. Strong problem-solving abilities, teamwork, attention to detail, and effective communication skills help interns succeed in dynamic project environments. These competencies enable interns to contribute meaningfully to design projects, communicate ideas clearly, and support efficient product development.

What are the most commonly searched types of Mechanical Design Engineer jobs in Seattle, WA?

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For Mechanical Design Engineer Intern jobs in Seattle, WA, the most frequently searched job titles are:

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Mechanical Design Engineer Intern jobs near you
Infographic showing various Mechanical Design Engineer Intern job openings in Seattle, WA as of August 2026, with employment types broken down into 34% Internship, and 66% Full Time. Highlights an 100% In-person job distribution, with an average salary of $51,799 per year, or $24.9 per hour.

Mechanical Design Engineer

Bellevue, WA • On-site

System One
Business Consulting Services • 5 - 10K employees
Learn more about System Oneexternal

$52 - $85/hr

Contractor

Re-posted 26 days ago

Job description

Job Title: Mechanical Design Engineer Location: Bellevue, Washington Type: Contract Compensation: $52 - $85 hourly Contractor Work Model: Hybrid

System One is seeking a Mechanical Design Engineer to support the Molten Chloride Fast Reactor (MCFR) program. This position will report to the MCFR Mechanical Design Manager and play a critical role in the mechanical analysis, scripting, and design scoping of reactor components. The role will begin with material property development for finite element analysis and grow into broader design analysis responsibilities.

You will work within a high-performing, multi-disciplinary engineering team that includes materials science and thermal-hydraulics experts to develop novel analysis methodologies and support the design of next-generation reactor hardware.

Key Responsibilities:

  • Develop material models and contribute to novel analysis methodologies within the Mechanical Design discipline

  • Perform basic sizing calculations and mechanical scoping of reactor components

  • Conduct finite element mechanical analyses using commercial tools (e.g., ANSYS)

  • Read and interpret design standards, specifically ASME BPVC Section III, Division 5

  • Perform technical reviews of internal and supplier-provided designs and deliverables

  • Work collaboratively with engineering leads and subject matter experts to support design validation

Qualifications and Skills:

  • B.S. in Mechanical Engineering or related field with 4+ years of relevant experience — OR — M.S. with 2+ years of experience

  • Engineer-in-Training (EIT) or Professional Engineer (PE) license preferred

  • Recent experience with ANSYS or other mechanical analysis tools

  • Scripting experience preferred, particularly with Python and ANSYS APDL

  • Strong understanding of material failure mechanisms and mechanical design codes

  • Proficiency in CAD tools; SolidWorks preferred

  • Demonstrated ownership of hardware design and delivery

  • High attention to detail and commitment to technical excellence

  • Excellent written and verbal communication skills

  • Ability to work both independently and collaboratively in a cross-functional team

  • A high degree of integrity, openness, and a team-oriented mindset is essential

  • Actual position level and title will be based on qualifications and experience

Job Functions and Work Conditions:

Motor Abilities: Sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)

Physical Requirements: Minimal exertion; must be able to safely lift up to 25 pounds

Repetitive Work: Prolonged computer and analytical tasks

Special Senses: Visual and audio-focused work, including computer-based design and analysis

Work Environment: Standard office setting, stairs, keyboard use, typical 8+ hour workdays

Travel: Minimal (0–5%)

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About System One

Sourced by ZipRecruiter

System One helps employers get work done more efficiently and economically without compromising quality. Over our 35+ year history, we've helped connect thousands of talented people with innovative companies. The excitement of a perfect fit motivates us every single day.

Industry

Business consulting services and recruiting and staffing services

Company size

5,001 - 10,000 Employees

Headquarters location

Pittsburgh, PA, US

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