Cashless Payment Terminal Infrastructure Engineer

This role designs, builds, operates and renews mission-critical infrastructure supporting cashless payment terminals and payment gateways. The environment combines on-premises systems with AWS, and the work covers stable service operation as well as migration to the next infrastructure platform.

Responsibilities include server design, construction and operation in on-premises and AWS environments; administration of Linux and Windows Server; maintenance, monitoring and incident response for payment infrastructure; organizing the current environment and designing and building the next platform; and implementing infrastructure configuration and operations in accordance with PCI DSS. The role also manages internal IT infrastructure using Microsoft 365 and Active Directory, including Entra ID, Intune and Defender for Endpoint (EDR). Additional duties include operational improvements, maintaining procedures and documentation, and handling projects in coordination with the server and network teams.

Applicants must have at least three years of experience building and operating servers in an on-premises or AWS environment, including Red Hat Linux, Amazon Linux or Windows Server. At least three years of experience managing internal devices with Microsoft 365 or Active Directory is also required, particularly experience operating Entra ID, Intune and Defender for Endpoint (EDR).

Experience operating physical on-premises servers or physical storage servers, building and operating container or serverless environments on AWS, managing PCI DSS environments, or working as an internal systems engineer is welcome.

The role supports business payment solutions and is part of a server team of three people working with a four-person network team under a department manager. Although server and network responsibilities are separated, the teams collaborate closely on projects. Existing members provide on-the-job training covering the current infrastructure and operating procedures, with responsibilities expanded gradually as the successful candidate learns payment-specific requirements and operations.

The position is permanent and full-time in Chiyoda, Tokyo. The standard work schedule is a flextime system without core hours, with 7 hours 30 minutes of work per day and a 60-minute break; one example schedule is 10:00–18:30. Office attendance is the basic arrangement, while remote work may be used depending on the work. Late-night work may occur approximately zero to two times per month, although some months have none.

Annual compensation is JPY 6,000,000–8,000,000. One fourteenth of the annual amount is paid as the monthly amount, with an additional one-fourteenth paid separately in June and December. The annual amount is reviewed once a year in November, and the monthly amount includes deemed compensation for 25 hours of work.

The position provides annual holidays of at least 125 days, Saturdays, Sundays and public holidays off, paid leave, summer leave of five consecutive days taken between July and October, year-end and New Year leave from December 30 to January 4, refresh leave of five consecutive days every three years, condolence leave, maternity and postnatal leave, Ladies leave, childcare and nursing-care leave, leave for a child's nursing care, nursing-care leave, and reduced working hours for childcare and nursing care.

Benefits include health, employees' pension, employment and workers' accident insurance; commuting expenses; a Remote Worker allowance; condolence payments; qualification incentives; U-NEXT and USEN service discounts; resort, theme park, sports club and pool subsidies; employee stock ownership; savings and defined-contribution pension plans; group insurance; health checkups and medical examinations; internal sports activities; influenza vaccinations; household medicine services; online medical consultation; an online smoking-cessation program; RIZAP special pricing; marriage information service discounts; travel accommodation subsidies; LASIK, glasses and contact-lens discounts; car rental, personal car lease, vehicle purchase and used-car sales services; housekeeping delivery; housing rental and purchase benefits; home-appliance purchase benefits; karaoke, internet-cafe and restaurant discounts; and TBC Group benefits.