Electronic Circuit Design Engineer (Robot Control Controller)

MujinTokyo, JapanJob.bopublished 06/10/2026
Machine translation — original language: Japanese.Show original

Mujin holds the grand vision of "liberating people from harsh labor and realizing a world where humanity can focus on creativity and innovation," revolutionizing industrial automation. At the core are our proprietary machine intelligence (MujinMI) and "MujinOS," a platform that provides integrated control for robots and automation equipment. Centered on real-time digital twin technology, MujinOS achieves industrial automation that eliminates the need for traditional programming and teaching. We are looking for teammates to help build the global standard for industrial automation in the dynamic environment of a Japan-born global company that solves difficult automation challenges worldwide and accelerates supply chain DX.

This recruitment is for assignment to the Hardware System Department, which is responsible for developing our Mujin controllers. In this position, you will be in charge of the control system design for the next-generation Mujin controller and the Mujin pendant, which serves as its interface. You will be involved in the entire product lifecycle, starting from system requirements definition to specification formulation, development management, functional testing, and mass production. Beyond the perspective of electronic engineering, you will also evaluate the overall system performance (safety, reliability, stability, efficiency, etc.) from a software engineering perspective, engaging in providing customers with "high-quality, high-speed processing, and user-friendly Mujin products."

Job Description

  • Creation of hardware verification plans tailored to design requirements
  • Creation/review of printed circuit board schematics and layouts
  • Development of test tools and equipment used to evaluate and compare solutions and technologies
  • FMEA of safety circuits (IEC 62061 or ISO 13849)
  • Development of test jigs for factory acceptance testing
  • Execution of technical or regulatory compliance testing

Job Description Creation of hardware verification plans tailored to design requirements

Creation/review of printed circuit board schematics and layouts

Development of test tools and equipment used to evaluate and compare solutions and technologies

FMEA of safety circuits (IEC 62061 or ISO 13849)

Development of test jigs for factory acceptance testing

Execution of technical or regulatory compliance testing

Requirements Experience in creating documentation using English

Degree related to electronic engineering or computer science

Experience in product development requiring safety/reliability-oriented design

5+ years of experience in embedded circuit design

Experience in board design

Knowledge of communication protocols such as UART/USART, SPI, I2C, etc.

Basic knowledge of enclosure design and thermal analysis

Understanding of project lifecycle management and quality control processes

Experience in a Linux development environment

Basic PC skills (Word, Excel, PowerPoint, Outlook)

Preferred Requirements 5+ years of experience in embedded circuit design in fields requiring high safety and reliability, such as railways, automobiles, medical, or aerospace

■ Hiring Company: Mujin Inc. 3-8-5 Tatsumi, Koto-ku, Tokyo 135-0053 Nearest Stations: 7-minute walk from "Tatsumi Station" on the Tokyo Metro Yurakucho Line, 10-minute walk from "Shinonome Station" on the Rinkai Line ■ Working Hours Start: 8:45, End: 17:45 Break time: 60 minutes ■ Salary Annual salary system (determined based on experience and ability) Salary revisions twice a year Probation period applies (6 months) ■ Holidays and Leave Full five-day work week Annual paid leave Congratulatory and condolence leave Maternity, childcare, and nursing care leave systems Flex-holiday system (a system where public holidays can be taken on any day) Other holidays according to the company calendar ■ Benefits and Welfare Explore Mujin's extensive benefits and support systems Casual dress code Commuting allowance provided Various social insurance (employment insurance, industrial accident compensation insurance, welfare pension, health insurance) Monthly team dinner support Daily free lunch buffet Free vending machines installed (drinks/snacks) High-end coffee machine selected by the CTO installed Free gym installed within the office