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Contract Plastic Design Jobs (NOW HIRING)

Cala Health

Senior Mechanical Design Engineer

San Mateo, CA

$102K - $141K/yr

Design for Manufacturing (DFM) mindset, including knowledge of diverse processes including: plastic ... Experience working with Contract Manufacturing partners to smoothly transfer development activity ...

Apple

Product Design Engineer - Core Systems

Cupertino, CA · On-site

$159K - $191K/yr

Description You will be working with many internal teams and contract partners, leading iPhone ... plastic and metal part design including material selection Handheld/portable device experience, a ...

REEKON Tools

Mechanical Design Engineer

Boston, MA · On-site

$82K - $111K/yr

Experience working with contract manufacturer (domestic or international) * Mentoring/management ... Material selection (especially plastics) * Can create low-level embedded systems / automations ...

REEKON Tools

Mechanical Design Engineer

Boston, MA

$82K - $111K/yr

Experience working with contract manufacturer (domestic or international) * Mentoring/management ... Material selection (especially plastics) * Can create low-level embedded systems / automations ...

Apple

Product Design Engineer - iPhone

Cupertino, CA

$150K - $277K/yr

... contract manufacturers, highly desirable - Handheld/portable device experience, a huge plus - Passion for making great products and solving tough design problems - Demonstrated ability in plastic and ...

Mashgin

Mechanical Product Design Engineer

San Jose, CA · Hybrid

$150K - $200K/yr

Developing innovative, manufacturable designs for sheet metal, injection-molded plastics, CNC ... Experience with high-volume contract manufacturers and overseas suppliers * Knowledge of electro ...

Restech Plastic Molding

Be Seen First

Sales

Hudson, MA · On-site

$50K - $60K/yr

Main Source Distribution, Ossco Distribution and Plastic Molding Manufacturing Main Source was ... Customers turn to Main Source Distribution to help them develop complete systems design, customized ...

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How much do contract plastic design jobs pay per year?

As of Jul 12, 2026, the average yearly pay for contract plastic design in the United States is $94,938.00, according to ZipRecruiter salary data. Most workers in this role earn between $60,000.00 and $118,000.00 per year, depending on experience, location, and employer.
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Senior Mechanical Design Engineer

Senior Mechanical Design Engineer

Cala Health

San Mateo, CA

$102K - $141K/yr

Other

Re-posted 8 days ago

Job description

Summary

At Cala we're working to free people from the burden of chronic disease. We began by creating the first non-invasive prescription therapy for essential tremor. After years of careful fine-tuning and improvements, we released Cala kIQ - our most sophisticated therapy yet. Our products have empowered thousands of people to get back to their lives with confidence and ease.

As Senior Mechanical Design Engineer, you will be a key driver in the design, development, and testing of our revolutionary neuromodulation therapy devices. You will work on projects from early-stage prototyping all the way through manufacturing at scale, ensuring Cala's products meet the highest standards of quality, reliability, and usability.

Specific Responsibilities

  • Mechanical Design Leadership: Lead mechanical design and reviews, managing complex schedules and technical requirements throughout the development process.
  • Prototyping & Testing: Design high-fidelity prototypes to facilitate usability studies and requirements characterization.
  • Verification & Validation: Define comprehensive testing plans, develop custom test methods and fixtures, and lead final product mechanical verification activities.
  • Lifecycle Management: Support design control documentation and lead engineering change orders (ECOs) to maintain product documentation and integrity.
  • Manufacturing & Sustaining: Drive manufacturing transfers and partner with production teams to identify, propose, and implement continuous improvements.
  • Quality Compliance: Diagnose, document, and support Cala's Quality Management System, including any NCMRs and CAPAs related to mechanical design.

Skills and Experience

We are looking for a Senior Mechanical Design Engineer to support product development in a dynamic, fast-paced startup environment, exemplified by:

  • Technical Expertise: 5+ years of experience in mechanical engineering, with a strong focus on electromechanical systems and early clinical study support.
  • Practical Experience: Has taken a Class II medical device all the way from initial design through FDA 510k approval and transfer to manufacturing for commercialization. Experience with wearables or high-touch consumer electronics design a plus.
  • Manufacturing Fluency: Design for Manufacturing (DFM) mindset, including knowledge of diverse processes including: plastic injection molding, silicone molding, machining, PCB fabrication/assembly, and 3D printing. Experience working with Contract Manufacturing partners to smoothly transfer development activity into production environment.
  • Advanced CAD: Expert-level SolidWorks skills, specifically with complex surfacing, manufacturability, and tolerancing.
  • Regulatory Knowledge: Familiarity with medical device standards, such as IEC 60601-1 (safety/essential performance) and ISO 10993 (biocompatibility).
  • Quality & Rigor: Demonstrated experience with medical device phase-gate development, risk analysis, design control practices, and root cause analysis.
  • Analytical Skills: GD&T, proficiency in statistical analysis (such as DOE) to inform design decisions and verification results.
  • Education: BS in Mechanical Engineering or a related technical field.

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