Senior/Staff/Principal Mechanical Engineer

Eka Robotics; Boston (MA); On-site; USD 120,000 - 180,000; Full time

Job summary

Eka Robotics in Boston is seeking a senior Mechanical Design Engineer to advance robotic hands and actuation modules.

You will lead the mechanical design, select actuators, bearings, sensors, and materials; build physical prototypes with 3D printing, CNC machining, and other fabrication methods; define testing plans; and iterate on designs based on results in collaboration with cross‑functional teams.

Qualifications

• 7+ years designing and building robotic systems.
• Experience with robotic hands preferred.
• Proficient CAD: Onshape or SolidWorks.
• Experience with actuators and gear trains.
• Strong tolerance and precision assembly knowledge.
• Capability to run basic FEA simulations.

Responsibilities

• Lead the mechanical design of robotic hands and actuation modules.
• Select key components including actuators, bearings, sensors, and structural materials.
• Build physical prototypes using 3D printing, CNC machining, and other fabrication methods.
• Define and execute testing plans to evaluate performance against requirements.
• Iterate on designs based on test results and collaboration with cross-functional teams.

Skills

Robotics design

Hands-on prototyping

Mechanical design

FEA basics

Cross-functional collaboration

Tools

Onshape

SolidWorks

Job description

Eka Robotics

Eka Robotics is on a mission to build intelligence for the physical world - robots that are fast, general, and reliable. Our approach, grounded in physics, unlocks superhuman capabilities. We are defining the frontier of robotics research and deployment.

Eka Robotics is on a mission to build intelligence for the physical world - robots that are fast, general, and reliable. Our approach, grounded in physics, unlocks superhuman capabilities. We are defining the frontier of robotics research and deployment.

Our team consists of pioneers in robotics and machine learning. We are now hiring to scale our R&D effort. We are looking for hands-on individuals who are excited to help shape the future of robotics.

Responsibilities

• Lead the mechanical design of robotic hands and actuation modules
• Select key components including actuators, bearings, sensors, and structural materials
• Build physical prototypes using 3D printing, CNC machining, and other fabrication methods
• Define and execute testing plans to evaluate performance against requirements
• Iterate on designs based on test results and collaboration with cross-functional teams

Qualifications

• 7+ years of experience designing and building robotic systems—preferably robotic hands
• Deep expertise with CAD tools (Onshape, SolidWorks, or equivalent)
• Proven experience designing actuators using frameless motors
• Strong background in designing custom gear trains
• In-depth understanding of mechanical tolerances and precision assembly
• Ability to run basic FEA simulations for strength and deformation analysis
• Mastery of prototyping tools, fabrication techniques, and hands-on build experience