HR System Specialist – Data Analyst

General Information

Job Advert Title: HR System Specialist – Data Analyst

Location: Nihonbashi, Tokyo

Division: Human Resources

Employment Class: Permanent

Description

【職務の内容 / Essential Job Responsibilities】 （雇入れ直後） • Coordinate and execute mass data uploads into the SuccessFactors system, ensuring accuracy, compliance, smooth integration and minimal disruption to operations. • Manage and implement organizational structure changes, including department restructures, reporting line updates, and job/position mapping. • Analyse, clean, validate, and transform data from various sources to support system updates and bulk processing. • Develop and maintain tools, templates, and scripts to streamline mass upload and data transformation processes. • Collaborate with different HR teams, DigitalX, and Business Operations teams to gather requirements, test system changes, and verify data integrity post-load. • Support change initiatives by ensuring accurate reflection of structural updates in the core HR System and any integrated systems/tools. • Maintain documentation on data processes, load procedures, and technical instructions for future reference. • Identify opportunities for process improvements, automation, and increased efficiency in data handling. • Ensure compliance with internal data governance and security protocols.
（変更の範囲） 会社内での全ての業務
【応募要件 / Qualifications】 ＜必須 / Required＞ • Bachelor's degree in Data Science, Information Systems, Business, Computer Science, or a related field. • 2+ years of experience in a data analyst or data operations role, preferably involving mass data handling or system updates. • Proven experience working with large datasets and tools for data manipulation (e.g., Excel, SQL, Python, or data transformation platforms). • Familiarity with key HRIS platforms (e.g., SAP SuccessFactors, SAP, Time & Attendance modules, Payroll knowledge). • Strong analytical and problem-solving skills with attention to detail. • Experience in preparing data for uploads using templates, macros, or automated tools. • Ability to work independently and manage multiple priorities under tight deadlines.• Language：Both business level Japanese and English
＜歓迎 / Preferred＞ • Understanding of HR, payroll, or organizational management processes. • Familiarity with change management or transformation projects involving structural reorganizations • Experience with scripting languages (e.g., Python, VBA) for automation of repetitive tasks. • Strong documentation and process-mapping skills.
【応募書類 / Application Documents】 和文履歴書・和文職務経歴書・英文レジュメ Both Japanese and English Resumes are needed
【選考プロセス / Selection details】 書類選考 → 1次面接 → 2次面接 → 最終面接 ※変更の可能性もございますので、予めご了承下さい。 CV screening → First interview → 2nd Interview → Final interview *Please be advised that there might be a change in the process.
【勤務地 / Location】 （雇入れ直後） 東京都中央区　アステラス製薬　日本橋事業所　本社 Nihonbashi, Tokyo （変更の範囲） 会社の定める事業場および自宅
【勤務開始日 / Start Date】 応相談 Will be decided according to the candidate's flexibility
【契約期間 / Contract Duration】 期間の定めなし Not limited to specified period
【試用期間 / Probation Period】 試用期間原則なし No probation period in principle
【給与 / Salary】 ①基本給：当人の経歴・技術・技能等を考慮して決定 ②裁量労働制の場合：裁量労働手当として職務グレードに応じて50,000～100,000円支給 ③フレックスタイム制の場合：月間の所定労働時間を超えて勤務する時間に対して時間外勤務手当を支給 ①Base salary: will be decided by the candidate's experience, skill and capability. ②When Discretionary Work System is applied: Discretionary work allowance will be paid.(50,000～100,000yen, based on the Grade) ③When Flextime System is applied: Overtime allowance will be paid for time worked in excess of prescribed working hours.
【昇給 / Salary Raise】 有り
【賞与 / Bonus】 有り
【諸手当 / Allowance】 裁量労働手当、住宅手当、通勤手当　等 Discretionary work allowance, Housing allowance, Commutation allowance, etc.
【勤務時間 / Working Hours】 8:45～17:45（月～木）、8:45～16:00（金）、企画業務型 裁量労働制裁量労働制の場合、所定労働時間を働いたものとみなす 8:45～17:45（Mon～Thu）、8:45～16:00（Fri） Discretionary Work System
【休日 / Holidays】 完全週休２日制（土曜・日曜）、祝日、5月1日、夏季、年末年始 Weekends(Sat and Sun), holidays, May 1st, summer vacation, New Year holidays
【休暇 / Vacation Leave】 年次有給休暇、育児休業制度、介護休業制度　等 Annual paid leave, childcare leave system, nursing care leave system, etc.
【福利厚生 / Welfare】 雇用保険、労災保険、厚生年金、健康保険、共済会制度、社宅制度、持株会制度、財形貯蓄制度　等 Employment Insurance, Industrial Accident Compensation Insurance, Welfare Pension Insurance, Health Insurance, Mutual Aid Association System, Company Housing System, Employee Shareholder Association System, Property Accumulation Savings System
【アステラス製薬　採用サイト/ Career web site】 https://re-jp.astellas.com/jp/recruit/newgraduates/ For more information about Astellas, please visit our career web site. "We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status, or any other characteristic protected by law."