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. - Business level Japanese 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 In Japanese, Rakuten stands for ‘optimism.’ It means we believe in the future. It’s an understanding that, with the right mind-set, we can make the future better by what we do today. So we challenge ourselves to evolve, innovate and experiment, to create a better, brighter future for everyone. Today, our 70+ businesses span e-commerce, digital content, communications and fintech, bringing the joy of discovery to almost 1.3 billion members across the world. If you have any trouble logging in, please contact us here Rakuten Group, Inc.: rakuten-recruiting-info@mail.rakuten.com *Please read the Application Requirements(EN) / 募集要項(JP) before applying. Our Diversity & Inclusion Policy and Application Documents Rakuten’s corporate mission is to “contribute to society by creating value through innovation and entrepreneurship.” We foster a culture that provides equal opportunities to those who share this founding philosophy and take on the challenge to transform society, regardless of age, gender, nationality, or any other status. Diversity is one of Rakuten's core strategies and a driving force for innovation. Because of this, you are not required to submit any of the following information in order to apply for our job positions. - Gender - Age - Photo - Nationality* - Information not related to business, such as ideological beliefs, family structure, etc. * For legal compliance, we may ask you about your work eligibility. See the details

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