AirTA

BASIS Engineer - Business Support Development Department (BSD)

Collected Aug 17, 2026 · Last checked Oct 19, 2026

Job Details

Not stated

Tokyo

Full-time

Some English

Not stated

Not stated

Not stated

Not in this posting: salary, employer phone number

About This Role

Job Description

Department Overview

Our team is responsible for the following products in both domestic and overseas markets:

  • Internal business support systems for our e-commerce platform
  • Analytics systems for merchant sales
  • Performance estimation systems for new strategies
  • Accounting management systems and billing data

Position:

Why We Hire

In the future, we will execute a project to migrate our current SAP ECC6.0 to SAP S/4HANA by the end of 2027. After the service goes live, we aim to achieve maintenance and operations through in-house resources. Therefore, we would like you to join from the development phase on the project to understand the specifications of the new system.

Position Details

We are looking for a skilled and experienced S/4HANA Basis Administrator to join our team. As an S/4HANA Basis Administrator, you will be responsible for the administration, maintenance, and support of our S/4HANA landscape, ensuring its stability, performance, security, and seamless integration with SAP Business Technology Platform (BTP) services.

The ideal candidate will possess in-depth knowledge of S/4HANA architecture, SAP BTP, and cloud-based SAP administration, along with strong problem-solving and communication skills.

Responsibilities

  • Manage S/4HANA system landscapes, including development, quality assurance, and production environments.
  • Install, configure, and maintain S/4HANA systems and components, including Fiori Launchpad, embedded analytics, and other S/4HANA-specific functionalities.
  • Apply SAP Support Packages, Feature Packs, and OSS notes to keep systems up-to-date and secure.
  • Manage user administration, authorizations, and security roles within the S/4HANA environment.
  • Perform system refreshes, copies, and migrations, including S/4HANA conversions.
  • Configure and manage connectivity between S/4HANA and SAP BTP services, such as SAP Integration Suite, SAP Extension Suite, and SAP Analytics Cloud.
  • Administer S/4HANA and SAP BTP environments deployed on cloud platforms.
  • Monitor S/4HANA system performance and identify areas for improvement, including HANA database performance.
  • Perform system tuning and optimization to enhance performance and stability.
  • Participate in S/4HANA implementation, upgrade, and migration projects.
  • Provide S/4HANA Basis expertise and support to project teams.
  • Develop and maintain S/4HANA Basis documentation.
  • Stay up to date on the latest S/4HANA Basis technologies, SAP BTP services, and cloud-based SAP administration best practices.
  • Identify and implement opportunities to improve S/4HANA Basis processes and procedures.

Mandatory Qualifications

  • Experience in SAP S/4HANA implementation projects.
  • Experience in ECC to S/4HANA migration projects.
  • Experience with S/4HANA system installation, configuration, and maintenance.
  • Strong technical knowledge of S/4HANA architecture, SAP NetWeaver, and HANA database administration.
  • SAP S/4HANA System Administration certification.
  • Excellent communication and interpersonal skills.

Desired Qualifications

  • Experience with SAP BTP integration and administration.
  • Knowledge of ITIL framework.
  • Hands on experience in activating DR site as part of DR drills etc.

Other Information:

Additional information on English Qualification

TOEIC Score 800 or above (or similar level of English ability or a University Degree earned in an English-speaking country).

#engineer #productmanager #finance #accounting #director #projectmanager #commerce

Language Requirements

Some English

TOEIC Score 800 or above (or similar level of English ability or a University

Company

Rakuten Group

楽天グループ株式会社

Head Office: Tokyo

Internet / E-CommerceFinance & FinTech

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