Senior Mechanical Engineer – Robotics & Mechatronics

Mechanical Engineer – Robotics & MechatronicsSan Francisco Bay Area | $150k–$250k + Equity | On-siteCalder Search is working with several well-funded, high-growth robotics and physical AI companies across the Bay Area, building complex autonomous and electromechanical systems for real-world applications.We're looking for hands-on Mechanical Engineers who want to design, build, test and ship real hardware - not spend their entire day sitting in CAD.The workDepending on your background, you'll be working across:Mechanical and mechatronic subsystem designPrecision mechanisms, motion systems and actuationMotors, sensors, actuators, bearings and transmissionsCAD, tolerance analysis, GD&T and detailed designFirst-principles calculations and FEARapid prototyping, CNC machining and 3D printingHardware integration, build, test and troubleshootingDFM, supplier collaboration and production rampYou'll work closely with electrical, controls, software and robotics engineers and have genuine ownership from initial concept through physical hardware and production.We're particularly interested in engineers from:Robotics

• Mechatronics
• Industrial Automation
• Semiconductor Equipment
• Aerospace
• Medical Devices
• Precision Machinery
• Advanced HardwareYou don't need to tick every box.What matters is that you've personally designed and built complex mechanical or electromechanical hardware and can talk confidently about the engineering decisions behind it.The opportunityMultiple positions from Mechanical Engineer through Senior Mechanical Engineer, with venture-backed teams across San Francisco and the wider Bay Area.$150k–$250k base + equityPredominantly on-site roles due to the hands-on nature of the work.If you're a mechanical engineer who likes building things that actually move, I'd like to hear from you.Apply directly or reach out to Ollie Egbeyemi at Calder Search for a confidential conversation.