Principal Engineer – Mechanical Systems

Job Title: Principal Engineer – Mechanical SystemsLocation: Irvine, CA (On-site, 5x/week)Duration: Full-TimePay: Starting $140,000/yearCompany Industry: Automotive / Advanced MobilityJob Function: EngineeringAbout the RoleWe are hiring a Principal Engineer to lead the design and development of advanced mechanical systems across next-generation vehicle and robotic platforms. This role focuses heavily on structural innovation, deployable mechanisms, and high-performance system integration, particularly around expandable living technologies.You will own mechanical architecture from concept through validation, working on cutting-edge motorhome platforms, smart trailers, and robotic subsystems.What You’ll DoLead end-to-end mechanical system design across vehicle and robotic platformsArchitect and develop expandable structures (slide-outs, sky decks, living modules)Design deployable mechanisms and automated systems (actuation, linkages, motion systems)Develop and run multi-physics simulations (FEA, thermal, vibration, CFD)Design lightweight structures using composites, aluminum, and hybrid materialsOptimize vehicle packaging including batteries (400V/800V), HVAC, plumbing, and interior layoutsDrive DFM/DFA strategies and collaborate with global suppliers (US, Asia, Mexico)Lead prototype builds and validation testing (durability, NVH, environmental)Must-Have SkillsStructural MechanicsMechanism Design (Kinematics, Actuation Systems)CAD (SolidWorks, CATIA, NX)FEA (ANSYS, Abaqus)Mechanical System ArchitectureProduct DevelopmentPrototype DevelopmentDesign for Manufacturing (DFM)Design for Assembly (DFA)GD&TNice to HaveAutomotive or EV platform experienceRV / motorhome / trailer systemsRobotics or deployable systemsAdditive manufacturing / 3D printingKnowledge of FMVSS, RVIA, or ISO structural standardsRequirementsPhD in Mechanical Engineering or related field5+ years of experience in advanced mechanical design / R&D environments