Mechanical Engineer, Robotics at TAR | CA, US | Rezi

Mechanical Engineer, Robotics at TAR

Mechanical Engineer, Robotics

TAR · CA, US

1 months ago

Mechanical Engineer, Robotics

TAR · CA, US

a month ago
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About the Role

As the Mechanical Engineer, you will own hardware end-to-end, from early CAD concepts and detailed drawings to material choices, manufacturability, and the handoff to fabrication partners. You will take machines from first prototype to a fleet the site can rely on. This is a mid to senior level individual contributor role based at our San Francisco robotics facility, with regular field time at our GW-scale campus in West Texas.

Responsibilities

  • Design the mechanical architecture of deployment machines: chassis, drivetrains, booms, manipulators, and end effectors that pick, place, and fasten multi-hundred-pound energy assets.
  • Design custom mechanisms and actuation: kinematics and linkage design, motor and gearbox selection, bearing and joint design, and the tolerance stack-ups that determine whether a module lands where it should.
  • Take parts from CAD through detailed drawings and GD&T, material selection, and design for manufacturing to vendor handoff.
  • Engineer for the West Texas environment: heat, dust and particulate ingress, wind loading, vibration over rough terrain, and long intervals between service visits.
  • Run structural and mechanical simulation (FEA, load cases, fatigue) to size structures and validate designs before cutting metal.
  • Build and test prototypes hands-on: instrument them, run them to failure, and fold what you learn into the next revision.
  • Own vendor relationships and production planning, and drive machines from one-off prototype to a repeatable fleet build.

Requirements

  • 4+ years of mechanical design experience on robotic or electromechanical systems
  • Track record taking machines from CAD to working, field-deployed hardware in a rapid-iteration environment such as robotics, industrial automation, construction equipment, drones, defense, or an elite hardware startup.
  • Deep CAD and 3D modeling proficiency (Solidworks or similar), with fluency in GD&T and tolerance analysis.
  • Strong mechanism and actuation design: kinematics, linkages, gearing, motor sizing, joint and bearing design.
  • Materials, fabrication, and DFM expertise across steel, aluminum, and machined and fabricated parts.
  • High ownership, bias for speed, and comfort with ambiguity.

Skills

  • Mechanical design
  • Robotic systems
  • Electromechanical systems
  • CAD
  • 3D modeling
  • Solidworks
  • GD&T
  • Tolerance analysis
  • Mechanism design
  • Actuation design
  • Kinematics
  • Linkages
  • Gearing
  • Motor sizing
  • Joint design
  • Bearing design
  • Materials expertise
  • Fabrication expertise
  • DFM
  • Steel
  • Aluminum
  • Machined parts
  • Fabricated parts
  • Heavy equipment design
  • Construction machinery design
  • Agricultural machinery design
  • Mining machinery design
  • Hydraulics
  • Pneumatics
  • Sealing
  • Ingress protection
  • Thermal design

Location

  • San Francisco
  • West Texas

Work Type

  • Onsite
  • Field time

Experience Level

  • Mid to senior level

Benefits

  • Up to $15K relocation bonus
  • Unlimited PTO
  • Health, Dental, Vision insurance
  • $1K monthly stipend for meals

About the Company

  • TAR is both a hardware and software company, we are building out massive, critical, physical infrastructure.
  • TAR is working directly with one of the largest compute providers to scale and deploy 5GWs by 2028.
  • We operate on High ownership, High Agency. Own project end-to-end.
  • Great people don’t need to be managed.
  • Speed. We achieve great things on incredible timelines. We push ourselves to go faster.
  • First principles. No ego. No hierarchy. Challenge every assumption.
  • Passion. Solving the energy problem is one of the largest challenges that faces the world now and in the future.