Senior Manufacturing Operations Engineer

Mujin is a global leader in industrial automation, redefining supply chain efficiency through MujinOS—our intelligent operating system for robotics. At our core is Machine Intelligence (MujinMI), a unique approach that leverages real-time digital twins and advanced perception, planning, and control algorithms to achieve fully autonomous operations. Our flagship product, MujinController, empowers users with a highly configurable, no-code interface. By integrating cutting-edge motion planning and computer vision, it enables seamless automation for complex applications such as palletizing, picking, and truck unloading. Headquartered in Japan with a growing presence in the US, China, and Europe, we invite you to join a dynamic environment where you can shape the future of automation. Joining the Hardware System Team as a Senior Manufacturing Operations Engineer means taking ownership of the production and operational excellence of Mujin controllers and pendants. You’ll ensure top-quality manufacturing with fast production cycles by working closely with suppliers, overseeing production activities, implementing robust quality systems, and managing inventory and process documentation. In addition to supporting manufacturing, you will serve as a key communication window between Mujin Japan, Mujin US, and Mujin Europe, providing technical support for finished products deployed across internal teams. This includes troubleshooting product issues reported post-deployment, coordinating cross-functional efforts to resolve them efficiently, and driving continuous improvement in both production and field support processes. This position offers the opportunity to contribute directly to Mujin’s global growth while developing toward a future leadership role in production team.   Key Responsibilities Production Planning & Execution Develop and manage production schedules to ensure timely provisioning and testing of hardware, maintaining high standards of quality and delivery. Process Development & Training Create and continuously improve standard operating procedures (SOPs). Train and support operators to ensure consistent and safe execution of manufacturing tasks. Inventory & Material Management Oversee raw material procurement and inventory control to support uninterrupted production. Manufacturing Issue Resolution Identify and resolve manufacturing process issues, classify deviations, and make rework decisions to minimize production downtime. Internal Technical Support for Distributed Products Troubleshoot and resolve issues with finished products deployed to internal customers (e.g., Mujin US, Mujin Europe). Act as a technical point of contact for product-related claims, failures, or malfunctions post-deployment.   Minimum Requirements

Business-level English proficiency

Conversational-level Japanese

Bachelor's degree or higher in electrical engineering, computer science, or similar engineering discipline

Experience with embedded system involved product (ECU, audio devices)

Minimum 5 years of experience in related engineering areas. (e.x. product engineering, manufacturing/production engineering, and operations, service operations, or supply management.) 

Good understanding of Linux and experience using Linux.

Experience using git.

Experience of developing ERP system requirements or customizing ERP systems such as SAP.

Ability to create and review electrical and mechanical drawings.

Ability to understand C/C++, python code, and bash script.

Knowledge of IPC-A-610 and IPC/WHMA-A-620 standard or equivalent.

Attractiveness

You will be able to extend your experience not only in manufacturing but also to other phases in the product life cycle, having the chance to be the team leader of Manufacturing team.

Location

3-8-5 Tatsumi, Koto-Ku, Tokyo 135-0053, Japan

Work Hours

8:45 - 17:45 (with a 60-minute break)

Salary

• Based on experience and skills
• Salary revision twice a year
• Additional bonuses are available based on performance

Holidays

• Every Saturday and Sunday
• Annual paid leaves
• Maternity leave and Childcare leave
• Flex Holiday (take public holidays on days of your choice)
• Other holidays as defined by the company

Company Benefits

• Flexible dress code policy
• Commuting allowance
• Japanese Social Security (Health Insurance, Pension, Labor Insurance)
• Monthly team dinner support
• Free buffet lunch every workday
• Free vending machines (offering drinks and snacks)
• High-end coffee machine
• Exclusive Employee Gym Access

Japan Relocation Support

• Visa sponsorship
• Flight ticket support
• Shipping expenses coverage up to a specified limit
• Assistance for housing