Senior System Administrator

Tokyo, Japan
5 - IT & Information Security – Infrastructure Team /
Full Time, ENG JD /
Seeking a talented System Administrator to join the Mujin Infrastructure team. At Mujin, you will have the opportunity to be part of our transformation into a DevOps-focused approach to managing, deploying, and maintaining our infrastructure. Our team is culturally diverse with English as the primary language, offering you the chance to collaborate with individuals from diverse backgrounds. In this role, your main duties include maintaining, scaling, securing, designing, deploying, and managing the lifecycle of Mujin's services. #LI-Onsite


    • Design, architect, and deploy services for both internal and external (cloud) use at Mujin
    • Manage the lifecycle of existing and active services, including patching, security tracking, auditing, and scaling up/down
    • Provide technical support and troubleshooting for all active services
    • Address the support ticket backlog for system administrative tickets
    • Conduct audits and strengthen Mujin's infrastructure
    • Use automation to improve efficiency and reduce manual work
    • Implement a defense-in-depth strategy to secure Mujin's services from potential threats
    • Create documentation and procedures related to the services provided by the Infrastructure team
    • Provide technical solutions and fixes to problems through consultations with staff
    • Generate Documentation, Procedures, and Guidelines for the Mujin Infrastructure.

Required Skills

    • A curious and eagerness to learn new things
    • Experience in Linux System Administration
    • Knowledge of Windows Administration, including Active Directory, AzureAD, Group Policy, and Patch Management
    • Hands-on experience with virtualization platforms, such as configuring hypervisors, virtual networking, and storage connections
    • Familiarity with monitoring and logging systems and their implementation and maintenance
    • Basic understanding of database administration
    • Ability to work with customers (internal or external) in a consultative manner, translating business requirements into technical solutions
    • Strong conceptual understanding of DNS and networking.


    • In a small team with broad responsibilities, ability to make decisions and implement new technologies, the reporting line is in Japan and currently no time zone crossing.
    • New technology and fast growth Robotics company
    • Work with talented employees from 26 different countries

3-8-5 Tatsumi, Koto-ku, Tokyo 135-0053, Japan
Nearest Station: Tatsumi Station, Shinonome Station

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

・Flexible, depending on experience and skills
・Salary revision twice a year
・Additional bonuses or incentives may be available based on performance

・Two days off per week (Every Saturday and Sunday)
・Annual paid leave
・Year-end vacations
・Celebration or condolence leave
・Family caregiver leave
・Maternity leave
・Childcare leave
・Other holidays as defined by the company

Company Benefits
・Flexible dress code policy
・Commuting allowance
・Social insurance (including Employment, Industrial Accident Compensation, Health Insurance, and Pension)
Free buffet lunch every workday
Free vending machines (offering drinks and snacks)
High-end coffee machine
Exclusive Employee Gym Access
・Monthly team dinner support

Relocation Support
If you relocate from outside of Japan, we will provide the following support.
・Visa sponsorship
・One-way flight to Japan
・Shipping expenses covered up to a specified limit
・Temporary housing assist
・Permanent housing assist