Principal Engineer - Product Testing

We anticipate the application window for this opening will close on - 20 Nov 2026 At Mini Med, you can begin a lifelong career of exploration and innovation, while helping make a difference in the lives of people living with diabetes around the globe.

You’ll lead with purpose, breaking down barriers to innovation for a more connected, compassionate world.

We are seeking a highly specialized subject matter expert to own and lead all aspects of pressure decay leak test systems and transmission test design, implementation, validation, and optimization across our manufacturing lines.

In this pivotal role, you will serve as the technical authority ensuring our testing processes deliver consistent, reliable, and compliant results at every stage of production.

In this role, you will serve as the primary subject matter expert for pressure decay leak test system and electrical/mechanical test systems’ design, implementation, validation, and optimization across manufacturing lines.

Ready to make an impact?

Full-time on-site role in Northridge, CA with willingness and ability to travel for business 25-40% of the time depending on project needs

• Designs manufacturing processes, procedures and production layouts for assemblies, equipment installation, processing, and material handling.
• Designs arrangement of machines within plant facilities to ensure most efficient and productive layout.
• Designs sequence of operations and specifies procedures for the fabrication of tools and equipment that affect product performance.
• Adapts machine or equipment design to factory and production conditions.
• Develops manufacturing processes that are applicable to statistical process control and may develop those techniques.
• Provides guidance to engineering regarding design concepts and specification requirements to best utilize equipment and manufacturing techniques.
• Leads the process development, qualification and validation of test equipment (IQ/OQ/PQ) in compliance with FDA and ISO regulations.
• Defines test specifications, acceptance criteria, and test parameters in collaboration with R&D, Quality, and Regulatory teams.
• Troubleshoots and resolves complex test failures, driving root cause analysis and implementing sustainable corrective actions.
• Evaluates and recommends new test technologies and methodologies to enhance test capability and manufacturing efficiency.
• Develops and executes test method validation studies, including repeatability, reproducibility, and measurement system analysis (Gauge R&R/TMV).
• Incorporates inspection and test requirements into the production plan.
• Inspects performance of machinery, equipment, and tools to verify their efficiency, and investigates and initiates corrective action of problems and deficiencies to ensure product quality.
• Drives continuous improvement initiatives to optimize test yield, cycle time, and false rejection rates.
• Analyzes manufacturing performance metrics like LBM, yield, capacity and develop action plans to improve throughput, efficiency, and overall equipment effectiveness (OEE).

To be considered for this role, please ensure the minimum requirements are evident on your resume.

Bachelor’s degree with minimum of 7+ years of relevant experience, or Advanced degree with a minimum of 5+ years of relevant experience.

Experience with alternative leak test methodologies (e.g., mass flow, helium, vacuum decay)

Experience with industry-leading leak test equipment (e.g., Uson, Zaxis, Inficon, or equivalent)

Experience with medical device manufacturing, process validation, quality systems, and regulatory requirements

Experience with root cause analysis, statistical methods, and manufacturing process optimization.

Demonstrate…