Jim Johnston
About Jim Johnston
Jim Johnston is a Senior Test Engineer at Plexus Corp, where he leads root cause analysis of test system failures and forecasts technical staffing needs. He has over 20 years of experience in various engineering roles at Plexus Corp, contributing to quality assurance and test equipment validation.
Current Role as Test Engineer Sr
Jim Johnston currently serves as a Test Engineer Sr at Plexus Corp. in Neenah, Wisconsin. He has held this position since 2021. In this role, he leads root cause analysis of downed test systems, which is essential for maintaining continuous product flow through manufacturing. He also forecasts technical staffing needs for receiving sites, optimizing resource allocation to enhance operational efficiency.
Previous Experience at Plexus Corp
Jim Johnston has extensive experience at Plexus Corp, having worked in various roles since 1999. He served as a Test Technician from 1999 to 2004, then as Factory Test Supervisor from 2004 to 2008. He progressed to the position of Test Engineer from 2008 to 2010, followed by Test Engineer II from 2010 to 2013. He also held the role of Supervisor, Quality from 2016 to 2021, contributing to quality assurance processes within the organization.
Education and Expertise
Jim Johnston studied at the Milwaukee School of Engineering, where he earned a Bachelor of Science degree in Management from 2004 to 2009. He also attended Mid-State Technical College, achieving an Associate of Applied Science (AAS) in Electronics from 1997 to 1999. His educational background supports his expertise in test engineering and quality management.
Technical Skills and Contributions
In his current and previous roles, Jim Johnston utilizes GR&R and Cpk studies for test equipment validations, ensuring precision and reliability in testing processes. He drafts and executes validation protocols specifically for Finished Medical Device testing. Additionally, he creates statistical scorecards to baseline equipment stability, which enhances the reliability of testing processes.