Senior Mechanical Design Engineer - Humanoid Robots

Senior Mechanical Design Engineer - Engineered Arts
About Engineered Arts
Engineered Arts is the leading manufacturer of full-size humanoid robots used for entertainment, education, and communication. With over 20 years of hardware and software development experience, our robots have been deployed in over 30 countries worldwide to customers including NASA, PwC, Meta, and leading universities. Our Ameca robot is recognized as "the face of AI" and has achieved viral success across social media platforms. Along with our ultra-realistic Mesmer range of animated figures, our robots surprise and excite visitors at museums, theme parks, visitor attractions, and trade shows while advancing AI and robotics research.As we scale into the rapidly expanding service robot segment—with applications in front-of-house, receptions, check-in desks, information points, and point-of-sale—we're building the future of human-robot interaction. Our internal motto is "Be Wow": everything we do is fun, entertaining, or surprising to encounter. We're a team of dedicated engineers and creatives constantly pushing the boundaries of what's possible in humanoid robotics.About You
You're a versatile mechanical design engineer with strong real-world experience taking complex hardware from concept through validation and into production. You thrive on unusual design challenges and bring both technical depth and pragmatic problem-solving to every project—whether it's designing novel actuation mechanisms, integrating complex electromechanical systems, or troubleshooting reliability issues in the field. You're proficient in 3D parametric CAD, comfortable with hands-on prototyping, and experienced designing for manufacturability across multiple processes including additive manufacturing, CNC machining, casting, and molding.You bring vision, intuition, and resourcefulness to a fast-paced, multi-disciplinary environment. You collaborate effectively with electronics and software teams, understand GD&T and tolerance analysis, and know how to balance competing design constraints across aesthetics, performance, durability, cost, and scalability. You're excited by the challenge of bringing humanity to technology and are ready to help build the most engaging humanoid robots in the world.What You'll Do and How You'll Have an Impact
Mechanical Design & Development
Design mechanical components and subsystems for humanoid robots—including novel mechanisms, actuation solutions, and aesthetic shells/skins—that meet demanding geometric, kinematic, and aesthetic constraints for lifelike human-robot interactionTake designs through full lifecycle (concept, prototype, testing, iteration, production, maintenance) while balancing aesthetics, performance, durability, cost, and manufacturabilitySelect materials and manufacturing processes that optimize strength, weight, cost, and scalability across additive manufacturing, CNC machining, casting, and moldingGenerate and maintain detailed engineering documentation including production drawings (GD&T), assembly docs, tolerance analyses, specifications, and BOMsCross-Functional Integration & Production Transition
Collaborate with Electronics and Software teams to integrate mechanical systems with sensing, actuation, control, and embedded hardware;
define interfaces, optimize cable routing, and ensure seamless packagingWork with manufacturing teams and external vendors on DFM/DFA feedback, prototypes, assembly jigs, and production ramp-upValidate and improve real-world performance through testing protocols, analysis, and calculationContribute to product compliance including risk assessments, material safety, functional safety, and regulatory documentationSolve problems across the board—new design challenges, field reliability issues, or internal tooling improvementsWhat We're Looking For
Strong real-world experience in mechanical design, with proven ability to take hardware from concept through validation and into productionAdvanced proficiency in 3D parametric CAD, preferably Autodesk InventorSolid understanding of GD&T and tolerance stack-up analysisStrong background in mechanism design, linkages, bearings, power transmission, and actuator integrationHands-on prototyping experience and practical workshop skillsExperience with a range of materials, from engineering essentials (aluminum, steel, brass, bronze, acetal, etc.) to aesthetic and finishing options (polyurethane, silicone, etc.)Experience designing for manufacturability (DFM) and assembly (DFA) across multiple processesAbility to work cross-functionally with electrical and controls teams to integrate motors, sensors, wiring, and embedded systemsResourcefulness, versatility, and the ability to thrive in a fast-paced, agile environment with varied challengesStrong problem-solving mindset and the ability to find ingenious solutions to unusual design constraintsNice to Have
Direct experience developing legged or humanoid robotic systemsExperience in design combining the aesthetic and the functional (e.G., animatronics, special effects, entertainment technology)Experience designing bespoke actuators, transmission mechanisms, and complex mechanisms and jointsKnowledge of thermal management for compact electromechanical assembliesFamiliarity with motion control systems and basic control theoryUnderstanding of safety standards for robotic systems (e.G., ISO 13482, machinery directives)Startup experience or experience in fast-paced hardware development environmentsExperience transitioning from prototype to volume manufacturing in production environmentsExperience with organic mesh modeling tools (Blender, ZBrush) for aesthetic surface designAt AppDirect, we believe that innovation thrives in an environment that houses diversity of excellence, experience and thought. We respect each AppDirector as their own fingerprint;
unique with no one alike. We foster an environment of inclusion without regard to race, religion, age, sexual orientation, or gender identity enabling AppDirectors to embrace their uniqueness to do their best work. As such, we strongly encourage applications from Indigenous peoples, racialized people, people with disabilities, people from gender and sexually diverse communities, and/or people with intersectional identities.By applying to this role, you acknowledge that your application information — including your resume, contact details, and any materials you submit — may be shared with our client (the hiring organization) for the purpose of evaluating your candidacy. We act as a recruiting partner on behalf of this client. Your information will be used solely in connection with this opportunity and handled in accordance with applicable privacy laws.At AppDirect we take privacy very seriously. For more information about our use and handling of personal data from job applicants, please read our Candidate Privacy Policy. For more information of our general privacy practices, please see AppDirect Privacy Notice:
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