Senior Staff Mechanical Engineer (On-site)

Job description

Job responsibilities

• Own the mechanical architecture of the Bolt platform: chassis and frame, drivetrain and suspension, battery and power-electronics packaging, control box, and arm-to-base interface
• Lead concept trade studies (payload, center of gravity and tip stability, drive configuration, battery capacity, serviceability, cost) and drive decisions to closure with software, EE, safety, and product
• Do the hands-on, technically deep work: detailed design in SolidWorks, load cases and hand calcs, FEA, tolerance stackups, DFM for sheet metal, castings, machined parts, and weldments
• Plan and run prototype builds and the test program that proves durability, stability, and performance ahead of safety certification
• Guide and mentor the mechanical engineers on Bolt; run mechanical design reviews and set standards for drawings, analysis, and release
• Partner with Functional Safety on the mechanical aspects of certification (ISO 3691-4 / ANSI R15.08, ISO 10218) and with manufacturing on build and service strategy

Job requirements

• Experience: Bachelor's or graduate degree in Mechanical Engineering (or related) and 10+ years of product design, including a mobile robot, AMR/AGV, or similar electromechanical vehicle shipped at scale
• Mechanical Depth: Mastery of structures and mechanisms — load path design, fatigue, stiffness, bearings and drivetrain components, sheet metal and casting design, tolerance analysis
• Analysis: Hand calcs first, FEA when it earns its keep; you can size a frame, a wheel module, or a battery mount and defend the numbers
• Tool Fluency: Expert in SolidWorks (parts, large assemblies, drawings, simulation) and comfortable with PDM/PLM release processes
• Leadership: You have led engineers through an NPI cycle and made them better; you give direct, specific design feedback
• Clarity of Communication: Clear design documentation, crisp trade studies, and design reviews that move decisions
• Impact Driven: A reliable, manufacturable robot that ships beats an elegant one that never leaves the lab
• Excelling in Ambitious Environments: You thrive in a fast-moving team with changing requirements and tight timelines