Jobs · Design · California

Senior NPI Mechanical Engineer

Flex · Milpitas, CA · 1 wk ago
On-siteDesignFull-time

About the role

A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment.

Responsibilities

  • Lead hands-on mechanical engineering execution across multiple concurrent hardware NPI programs, ensuring on-time delivery through prototype, EVT, DVT, and PVT builds.
  • Own mechanical build readiness by driving detailed analyses (tolerance stack-ups, GD&T, DFM/DFA reviews) to ensure manufacturable, assembly-ready designs.
  • Plan and execute mechanical validation (fit/form/function, reliability testing, failure analysis) and translate results into design/build improvements.
  • Provide direct build-floor support during prototype and pilot events, performing hands-on assembly, fixture setup, fit checks, torque/alignment, and verification activities.
  • Rapidly debug and resolve mechanical/electrical/system integration issues, driving containment, root-cause analysis, and corrective actions for build-time failures.
  • Partner with vendors/CMs/suppliers on mechanical readiness, DFM feedback, tooling/pilot support, and quality acceptance; maintain robust engineering documentation (ECOs, drawings, validation reports, work instructions, FMEAs) and communicate clearly cross-functionally.

Requirements

  • Bachelor’s degree in Mechanical Engineering or related technical discipline.
  • 6+ years of mechanical engineering experience, with significant hands-on hardware development.
  • Demonstrated experience supporting or leading multiple NPI hardware programs.
  • Strong understanding of mechanical design, GD&T, tolerance analysis, and fabrication processes.
  • Proven hands-on engineering skills in assembly, validation, debugging, and failure analysis.
  • Experience working directly with vendors and contract manufacturers.
  • Strong communication and technical leadership abilities.
  • Proficiency with Microsoft PowerPoint, Smartsheet, and Microsoft Project is required to support effective project planning, tracking, and communication.

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