Principal Mechanical Engineer

QuantumScape Corporation

$136K — $184K *
Manufacturing & Automotive
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree or higher in Mechanical Engineering or related fields with varying experience levels based on degree (10+ years BS, 8+ years MS, 5+ years PhD).
  • Proven track record of leading projects that enhance manufacturing capabilities and performance.
  • Expertise in 3D CAD, GD&T, and design for manufacturability/assembly.
  • Experience in designing automation systems, tooling, or equipment for high-volume manufacturing environments.
  • Strong communication, organization, and leadership skills across teams.
  • Ability to solve complex technical problems independently with evolving information.
  • Hands-on approach with ability to switch between design, analysis, and execution.,

Responsibilities

  • Lead design, analysis, and validation of automation equipment from concept to production.
  • Act as a technical authority for complex mechanical design challenges.
  • Collaborate with various teams to enhance process and product performance metrics.
  • Convert product requirements into detailed machine specifications and design parameters.
  • Manage supplier relationships for critical component development and ensure quality compliance.
  • Guide engineering teams, establish best practices, and influence decisions impacting cost and schedule.
  • Communicate technical findings and summaries effectively across teams.

Benefits

  • Employee-paid health care plan.
  • Annual bonus opportunities.
  • Employee Stock Purchase Plan (ESPP).
  • Generous RSU/Equity package.
  • Supportive, collaborative, on-site work environment.
Full Job Description
About the team: The Hardware, Automation, and Metrology team develops first-of-its-kind automation, tooling, precision mechanical systems, and metrology-enabled equipment used to scale QuantumScape's solid-state lithium-metal battery manufacturing processes from proof-of-concept through production qualification. The team partners closely with process development, controls, software, metrology, quality, safety, production, and equipment teams to improve yield, uptime, throughput, capability, and product performance.

What we need: We are looking to add a Mechanical Engineer, Principal Member of Technical Staff (PMTS) to the Hardware, Automation, and Metrology team. This individual will serve as a senior technical leader for complex mechanical design, automation equipment, process tooling, fixtures, and metrology-enabled systems. The ideal candidate is a hands-on, data-driven problem solver who can translate early-stage process and product requirements into robust machine specifications, design requirements, risk assessments, validation plans, and production-ready engineering solutions.

What You'll do:
  • Lead the mechanical architecture, design, analysis, build, and validation of automation equipment, process tooling, fixtures, and metrology-enabled systems from concept through production qualification.
  • Serve as a technical expert for complex mechanical design problems involving precision motion, material handling, dry-room/cleanroom constraints, process windows, safety, reliability, and manufacturability.
  • Partner with process, controls, software, metrology, quality, safety, production, and equipment teams to improve yield, uptime, throughput, capability, and product performance.
  • Translate early-stage process and product requirements into machine specifications, design requirements, risk assessments, validation plans, and robust engineering solutions.
  • Lead supplier and integrator engagement for critical components and equipment, including technical specifications, design reviews, build oversight, acceptance testing, and production handoff.
  • Provide technical guidance to engineers and technicians, establish best practices, and influence cross-functional decisions affecting cost, schedule, performance, safety, DFM, and DFA.


Skills You'll Need:
  • Bachelor's degree or higher in Mechanical Engineering, Mechatronics, Manufacturing Engineering, Aerospace Engineering, Materials Science, or a related technical discipline, with 10+ years of experience (BS), 8+ years (MS), or 5+ years (PhD) in mechanical design, automation, tooling, equipment development, manufacturing scale-up, or related engineering environments.
  • Demonstrated record of leading complex technical projects that materially improve manufacturing capability, yield, throughput, reliability, safety, or cost.
  • Expert proficiency with 3D CAD, GD&T, tolerance analysis, design for manufacturability/assembly, and release of production-ready mechanical designs.
  • Experience designing precision automation, fixtures, tooling, or equipment for high-volume or pilot-scale manufacturing.
  • Strong written, verbal, organizational, and cross-functional leadership skills.
  • Recognized technical expert who can independently solve highly complex problems and make sound engineering tradeoffs with incomplete or changing information.
  • Hands-on, data-driven problem solver who moves quickly between design, analysis, experimentation, floor support, and supplier execution.
  • Able to lead cooperative efforts across multiple teams, teach best practices, and raise the technical judgment of the broader organization.
  • Communicates clearly through specifications, design reviews, risk registers, test reports, and concise executive-level summaries.
  • Demonstrates ownership, safety leadership, urgency, flexibility, and commitment to QuantumScape's mission.


Nice to have:
  • Cleanroom, dry-room, or battery manufacturing experience.
  • Working knowledge of controls architecture, machine safety, sensors, vision/metrology systems, PFMEA, OEE, and validation methods.
  • Experience supporting supplier technical reviews, factory acceptance testing, site acceptance testing, and production handoff for custom automation equipment.


Physical requirements:
  • Work is performed in a dry room, fume hood, lab area, or glovebox requiring the use of fine motor skills
  • Sitting or standing for extended periods of time
  • Reaching and twisting motions with hands
  • Lifting up to 25 lbs.


ONSITE:

This position is required to work onsite 5 days per week to meet the minimum essential duties and requirements of this position. As an on-site R&D and manufacturing operations organization, in-person face-to-face interaction is essential to building authentic relationships, trust, teamwork, and collaboration.

Compensation & Benefits:

Expected salary range for this role is from $136,700 to $184,500, and a final salary will be determined by the candidate's experience and educational background. QuantumScape also offers an annual bonus and a generous RSU/Equity package as part of its compensation plan. In addition, we offer a comprehensive benefits plan including employee-paid health care, Employee Stock Purchase Plan (ESPP), and other benefits.

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