Mainframe Support Engineer

Mainframe Support AS400 IBM iSeries IT Operations Infrastructure Support System Monitoring Incident Management L1 Support L2 Support troubleshooting Technical Support Service Delivery ITIL agile DevOps Disaster Recovery Log Analysis Bilingual (Japanese / English) Insurance Domain
Japan, Tokyo Engineering, IT Full-Time
31723 | Tata Consultancy Services Japan Limited | Posted 2025-10-29
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Tata Consultancy Services Japan Limited - Mainframe Support Engineer
Summary

Tata Consultancy Services is an IT services, consulting and business solutions organization that has been partnering with many of the world’s largest businesses for the past 50 years. We believe innovation and collective knowledge can transform all our futures with greater purpose.

At TCS, we go beyond helping businesses transform through technology. We help them make a meaningful difference; to their customers, and to the communities they serve.

If you are ambitious, passionate with new technology and digital transformation, you came to the right place - please contact us - we look forward to speaking with you soon!

【About Project】
Large-scale project for Global Insurance company.

Key Qualifications

【Must】
1.Must have more than 5 years of IT experience in AS400 Server tasks and maintenance projects
2.Ability to effectively coordinate with Customer SMEs, Onsite and Offshore teams
3.Actively involve in Application transition and stabilization phases by aligning to Japan (JST) working hours

【Nice to have】
1.Exposure on IBM iSeries architecture/components, ITIL, Agile methodology, DevOps
2.Insurance domain knowledge is added advantage

【Language】
Japanese: JLPT N2 - Fluent in reading, writing, and conversing in Japanese with native speakers
English: Business level (speaking, reading, writing)

Responsibility

【Role and responsibilities】
1. Fluent in reading, writing, and conversing in both Japanese & English languages to establish good coordination and communication with Customer, Onsite and Offshore teams

2.Hands on experience in AS400 tasks and maintenance activities

3. Actively involve in the primary responsibilities that include but not limited to:
- Alerts, events and Incident monitoring, management & handling
- Routine and Adhoc task execution, tracking and reporting
- Collect and store log data and create reports as required
- Create and update documentation for SOP, Runbook, Catalogues, etc
- Follow security standards, practices, auditing and monitoring procedures, disaster recovery and component recovery

4. Actively contribute towards various Transformation initiatives (Process maturity, Performance optimization, etc.) to achieve the project goals

5. Collaborate with Infra, IT and business teams to ensure seamless application availability and performance.

6. Participate in performance reviews, technical documentation, and knowledge sharing. the performance, safety, and regulatory requirements. This role requires a deep understanding of vehicle layout, packaging, and structural integration across different vehicle types (ICE, Hybrid, EV).

Other

Working location:
Tokyo Office / 東京事業所採用
Work 4 days a week at client office(Tokyo), 1 day a week work from home
週4日クライアント先(東京23区)での就業、週1日在宅勤務可能


Working Hours

9:00~18:00

Compensation and Benefits

■給与
月給:経験・能力など考慮の上、当社規程により決定
裁量労働手当:有(60,000-80,000円/月支給) *管理監督者グレードでの採用の場合は無し
残業手当:なし
昇給:都度
賞与:あり

■福利厚生
保険:健康・厚生年金・雇用・労災保険
制度:財形貯蓄・確定拠出年金・カフェテリアプラン(選択型法人会員福利厚生サービス)
   ※財形貯蓄・確定拠出年金は正社員のみ対象
施設:法人会員施設(スポーツクラブ、温泉保養所、ホテル他)

Holidays

年次有給休暇(初年度10日 ※入社日によって異なる場合有)
完全週休2日制(土曜日・日曜日)
祝日
年末年始
慶弔休暇
育児・介護休業

Location Details
Country / Region
Japan
Prefecture (State)
Tokyo
Location (Address)
Tokyo Office

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Job by
Tata Consultancy Services Japan Limited

Tata Consultancy Services is an IT services, consulting and business solutions organization that has been partnering with many of the world’s largest businesses for the past 50 years. We believe innovation and collective knowledge can transform all our futures with greater purpose. At TCS, we go beyond helping businesses transform through technology. We help them make a meaningful difference; to their customers, and to the communities they serve.

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