Senior Supplier Development Engineer, Electro-Mechanical

About the Role:

Wing is looking for a Senior Supplier Development Engineer, Electro-Mechanical to join our Quality team. This role is hybrid based in Palo Alto, CA. This role will play a critical role in strengthening our supply chain as you will work closely within the Wing Quality Engineering team and our cross functional partners such as Sourcing, Process Engineering, Test Engineering & Design Engineering, providing essential technical expertise and guidance throughout the supplier down-selection, qualification, and onboarding processes. The ideal candidate will have a strong background in supplier quality engineering, CM/JDM, tier 1, 2 supply chain management (from Quality perspective), manufacturing processes, and quality systems, with a proven ability to assess supplier capabilities and drive continuous improvement.

What You’ll Do:

• Collaborate with Sourcing and Engineering teams to define technical requirements and specifications for new components and assemblies.
• Conduct in-depth technical assessments of potential suppliers, evaluating their manufacturing processes, engineering capabilities, quality management systems, and overall technical competency.
• Participate in supplier site visits and audits, providing critical technical input during the down-selection phase.
• Work with manufacturing process and quality engineering to develop and implement robust supplier qualification processes, including APQP (Advanced Product Quality Planning), PPAP (Production Part Approval Process) reviews, DFM/DFA, incoming/outgoing quality control, and data collection.
• Drive process optimization, tooling validation, and contingency planning for early production runs.
• Facilitate knowledge transfer between our engineering teams and new suppliers to ensure seamless integration and understanding of technical requirements.
• Identify opportunities and drive continuous improvement initiatives with supplier performance for quality, yield and cost.
• Drive supplier CAPA and root-cause analysis to mitigate technical risks before they impact production.
• Monitor supplier performance from a technical perspective, providing regular feedback and support for improvement.
• Act as the primary technical liaison between internal engineering and suppliers to resolve complex technical misalignments.
• Communicate complex technical information clearly and concisely to both technical and non-technical stakeholders.
• Collaborate cross-functionally to align supplier strategies and influence the adoption of unified quality standards.

What You’ll Need:

• 8+ years of experience qualifying complex Electro-Mechanical Test fixtures/Equipment using industry standard qualification frameworks (such as FAT, SAT and UAT).
• Strong experience working with CMs and suppliers in a Joint Design Manufacturing (JDM) model.
• Bachelor's degree in Engineering (Electrical, Mechanical, Industrial, Manufacturing, Mechatronics, or a related field), or equivalent experience.
• Proven experience conducting technical supplier assessments and audits, developing new suppliers, leading DOEs (in a JDM model), preparing reports, working with cross functional teams & driving/coordinating final outcomes for team decision
• Strong understanding of diverse manufacturing processes, specifically electro-mechanical assemblies, PCBAs, cables and harnesses, and related mechanical components (such as CNC machining, injection molding, Li-ion batteries and stamping).
• Experience with quality management systems and quality tools (e.g., FMEA, SPC, MSA, 8D, 5 Whys, Control Plans, PPAP, e-QMS system, GD&T, Gage R&R, Calibrations etc.).
• Experience working with global supply chain with target for rapid scaling
• Ability to travel up to 25% domestically and internationally as required.