- Robot type
- Humanoid · Warehouse and Logistics
- Location
- WalthamMassachusettsUSA
- Job type
- Hardware
- Posted
- Sep 7, 2026
- Salary
- $155,000–$193,000 a year
Principal Mechanical Engineer
Job description
We are seeking a Principal Mechanical Engineer to set the architectural vision for high-performance Actuator Products on next-generation humanoid robotic platforms. This role sits at the intersection of complex mechanical design, technology strategy, and New Product Introduction (NPI). You will lead the development of high-torque-density electromechanical systems, including custom motors, precision gear trains, and tightly integrated sensors. Your work will ensure these complex assemblies transition smoothly into robust, mass-production hardware. The actuators enable our robots to move and accomplish their complex work—this is a critical, strategic role on the Atlas team.
Job responsibilities
- Technical Strategy & Leadership: Drive the mechanical architecture and technology roadmap for actuator products, overseeing technical execution from initial concept through to high-volume manufacturing.
- Production Excellence: Establish organizational best practices for CAD completion and the generation of comprehensive drawing packages, setting the standard for advanced GD&T and 1D/3D tolerance analysis to ensure…
- Collaborative Design (DFx): Forge strategic partnerships with suppliers and manufacturing teams to optimize designs for assembly, cost, and long-term reliability on a global scale.
- Mentorship & Development: Support and mentor staff and senior-level engineers, providing technical guidance, leading critical design reviews, and fostering an inclusive, collaborative team environment.
- Risk Stewardship: Own and manage complex technical risk through advanced FMEAs, comprehensive validation planning, and detailed due diligence on critical moving assemblies (gears, bearings, seals, and shafts).
Job requirements
- Educational Background: Bachelor’s, Master’s, or PhD degree in Mechanical Engineering or a related field, or equivalent practical experience.
- Extensive Experience: Demonstrated professional experience in electromechanical product design, architecture, and launch (typically 12+ years).
- Actuation & Powertrain Expertise: Deep domain knowledge in the design of high-performance rotating machinery, including precision gear systems (e.g., planetary, harmonic, or cycloidal), bearing selection, sealing…
- Production Rigor: A proven track record of architecting and bringing tightly packaged electromechanical assemblies through production release in high-rigor environments (e.g., automotive, aerospace, or medical devices).
- Technical Stewardship: Advanced proficiency in 3D CAD (CATIA preferred) and PLM, with a commitment to setting department-wide standards for detailed documentation, GD&T, and tolerance stack analysis.
- Strategic Judgment: Exceptional ability to resolve organization-level design challenges and balance innovation with practical manufacturing constraints.
- Interpersonal Influence: Extensive experience leading cross-functional efforts, building alignment across multiple technical teams, and communicating effectively with both engineers and leadership.
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