Mechanical Engineer | Robotics at Cell Labs | BE, DE | Rezi

Mechanical Engineer | Robotics at Cell Labs

Mechanical Engineer | Robotics

Cell Labs · BE, DE

Yesterday

Mechanical Engineer | Robotics

Cell Labs · BE, DE

a day ago
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About the Role

We are looking for individuals to join Cell Labs early, take ownership, and help build advanced humanoid systems that empower humans. Our technology is deployed with industry leaders, and our own product is nearing launch.

Responsibilities

  • Design and develop mechanical components and assemblies for humanoid systems using CAD software.
  • Design and optimize the kinematic structure of robot joints and limbs, including selecting and integrating actuators.
  • Optimize designs for series production, considering product requirements, user experience, and target cost.
  • Prepare designs for manufacturing, including assembly processes, jigs, fixtures, and supplier ramp-up.
  • Prototype and validate mechanical systems for performance, safety, and durability.
  • Design and build test rigs for actuators and subassemblies.
  • Integrate PCBs, sensors, and batteries into mechanical assemblies, managing cable routing and heat.
  • Build and solder cables and wiring harnesses for prototypes and test setups.
  • Run stress analysis and weight optimization to improve performance and longevity.
  • Research, test, and qualify new materials and processes.
  • Maintain complete design documentation, including drawings, part specifications, BOMs, and wiring diagrams.

Requirements

  • Studied mechanical engineering, mechatronics, robotics, electrical engineering, or a related field.
  • At least 3 years of experience working on robotic systems, mobile machinery, or similar electromechanical products.
  • Experience designing complex mechanical systems, understanding robot kinematics, actuators, and electromechanical integration.
  • Knowledge of CNC machining, injection molding, sheet metal, and additive manufacturing.
  • Experience designing for mid- and high-volume production.
  • Experience working with suppliers and bringing hardware into production.
  • Hands-on experience with soldering, building wiring harnesses, and constructing test rigs.
  • Proficiency in Onshape and Autodesk Fusion, including its electronics design tools.
  • Experience taking at least one hardware product from concept to series production is ideal.
  • Ability to build prototypes quickly and iterate on designs.
  • Capacity to manage multiple projects simultaneously.
  • Fluent English language skills.

Skills

  • Mechanical Design
  • CAD (Onshape)
  • Actuator Kinematics
  • Production Readiness
  • Prototyping
  • Testing
  • Electronics Integration
  • Wiring
  • Stress Analysis
  • Weight Optimization
  • Materials Research
  • Additive Manufacturing
  • Documentation
  • Bill of Materials (BOM)
  • Wiring Diagrams
  • CNC Machining
  • Injection Molding
  • Sheet Metal Fabrication
  • Autodesk Fusion

Location

  • Berlin (on-site)

Work Type

  • Full-time
  • On-site

Experience Level

  • 3+ years

Education Level

  • Degree in Mechanical Engineering, Mechatronics, Robotics, Electrical Engineering, or related field

Benefits

  • Ownership of real subsystems from CAD to working hardware.
  • Integrated office, workshop, and test rig facilities.
  • Proximity to electrical and software engineering teams.
  • Paid learning time.
  • Personal budget for courses, conferences, and tools.
  • Space to experiment with new materials, processes, and ideas.
  • Opportunity for increased responsibility as the company grows.
  • Customizable benefits package (mobility, health, food, fitness).
  • One extra paid day off per year for volunteering or personal projects.

About the Company

  • We build humanoid systems, covering hardware, electronics, software, and manufacturing entirely in-house in Berlin.
  • Our mission is to push the boundaries of robotics and create systems that empower humans.
  • Our technology is currently deployed with industry-leading customers and partners.
  • Our own product is close to launch.

Equal Opportunity

  • We build robots for everyone, so we want a team that reflects that.
  • We hire based on ability and welcome applications from underrepresented groups in engineering and tech.
  • We encourage applications even if you don't meet every qualification.