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アシスタントマネージャー/ Assistant Manager

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A global data centre company is looking for an Assistant Manager. The selected candidate will manage payroll and support the Senior Manager and Manager with day-to-day HR and General Affairs operations, employee processes, HR administration, and related projects.

Responsibilities:

  • Manage the monthly payroll process and year-end tax adjustment in collaboration with external vendors
  • Review and monitor employee attendance
  • Manage employee onboarding and offboarding processes
  • Maintain and update employee records using the SmartHR Human Resources Information System
  • Respond to HR-related enquiries from employees and HR stakeholders in a timely and professional manner
  • Manage welfare benefit programmes including 401K
  • Issue employment-related certificates and documentation
  • Manage annual health checks and stress checks through SmartHR
  • Support employee visa and work permit processes as needed
  • Assist with training programmes, recruitment coordination, and other HR and General Affairs projects
  • Support General Affairs operations and services, including office management and administrative activities

Requirements:

  • Bachelor’s degree or above
  • More than 3 years of hands-on experience in payroll, including labour and attendance management
  • Basic knowledge of HR-related laws and general HR functions
  • High level of integrity and discretion when handling confidential employee information and sensitive HR matters
  • Proficient in MS Office Suite
  • Native level Japanese; business level English

About the Company:

This company operates in the data centre industry. It provides an environment where HR and General Affairs functions support employees and day-to-day business operations.

Keywords:

人事, 給与計算, 労務管理, 勤怠管理, 人事管理, 福利厚生, 入退社手続き, 人事総務, 総務, 労務, 求人, 外資系

Job Ref: DZTN4O

Contract Type: Perm

Specialism: Human Resources

Focus: Compensation & Benefits

Industry: IT

Salary: ¥5,000,000 - ¥7,000,000 per annum

Workplace Type: On-site

Experience Level: Associate

Language: Japanese - Native

Second Language: English - Business level

Location: Tokyo

Job Reference: DZTN4O-B297E64A

Date posted: 8 September 2026

Consultant: Masaki Shibata