Mainframe IMS Specialist (IMS DB/DC Administrator & Support Engineer)

Atos SE; Warszawa; On-site; PLN 180,000 - 240,000; Full time

Benefits offered by this job

Access to SAP Hub Learning

Hybrid work mode

Private medical and dental care

Sport activity subsidies (Multisport/|

Gift packages for special occasions

Seniority appreciation: extra days off

Job summary

Atos SE is seeking a skilled Mainframe IMS Specialist in Warsaw to maintain IMS DB and IMS TM/DC environments, participate in upgrades, and optimize performance. You will work collaboratively to implement changes, support automation, and ensure documentation and operational procedures are up to date.

Ideal candidates bring IMS experience, JCL/TSO/ISPF proficiency, and familiarity with DBRC/VSAM. Hybrid work arrangements apply, with ongoing opportunities for training and certifications.

Qualifications

• Experience in Mainframe environments with IMS DB and IMS TM/DC.
• Proficiency with JCL, TSO/ISPF, SDSF.
• Knowledge of DBRC, VSAM, performance tuning, backup and recovery concepts.
• Experience with scripting tools such as REXX.
• Familiarity with Mainframe monitoring and scheduling tools.
• Additional experience with DB2, IBM MQ, COBOL, PL/I, Java, CICS, or automation initiatives is an advantage.

Responsibilities

• Support and maintain IMS DB and IMS TM/DC environments.
• Assist with installation, configuration, upgrades, and maintenance activities.
• Monitor system performance and help identify optimization opportunities.
• Troubleshoot incidents and contribute to problem resolution.
• Participate in change implementations and system enhancements.
• Support automation, modernization, and continuous improvement initiatives.
• Maintain technical documentation and operational procedures.
• Contribute to backup, recovery, and availability processes.

Skills

IMS DB/IMS TM/DC

JCL/TSO/ISPF/SDSF

DBRC/VSAM

REXX scripting

Mainframe monitoring tools

COBOL/PL/I/Java/CICS

Tools

DB2

IBM MQ

COBOL

PL/I

Job description

Location: Warszawa, PL; Wroclaw, PL

Mainframe IMS Specialist

Key Responsibilities

• Support and maintain IMS DB and IMS TM/DC environments.
• Assist with installation, configuration, upgrades, and maintenance activities.
• Monitor system performance and help identify optimization opportunities.
• Troubleshoot incidents and contribute to problem resolution.
• Participate in change implementations and system enhancements.
• Support automation, modernization, and continuous improvement initiatives.
• Maintain technical documentation and operational procedures.
• Contribute to backup, recovery, and availability processes.

Skills & Experience

• Experience in Mainframe environments with IMS DB and/or IMS TM/DC.
• Proficiency with JCL, TSO/ISPF, SDSF.
• Knowledge of DBRC, VSAM, performance tuning, backup and recovery concepts.
• Experience with scripting tools such as REXX.
• Familiarity with Mainframe monitoring and scheduling tools.
• Additional experience with DB2, IBM MQ, COBOL, PL/I, Java, CICS, or automation initiatives is an advantage.

What We're Looking For

• Analytical and problem‑solving mindset.
• Ability to work both independently and as part of a team.
• Good communication skills and willingness to learn.
• Interest in Mainframe technologies and operational excellence.

Nice to Have

• Experience with modernization or automation projects.
• Familiarity with ITIL processes.
• Exposure to disaster recovery or high‑availability environments.
• IBM Z or related certifications.

What’s in it for you?

• Access to training and certifications (access to SAP Hub Learning platform).
• Hybrid mode of work (only max. 2 times per month based on your location).
• Wellbeing programs & work‑life balance – integration and passion sharing events.
• Private medical and dental care.
• Co‑funding of sport activities, e.g., Multisport & OK system cards, b‑active program.
• Gift packages for special occasions: Easter, Christmas, Children’s Day.
• Appreciation for seniority: additional days off, Atos Jubilee gifts.
• Charity and eco initiatives.

Here at Atos, diversity and inclusion are embedded in our DNA. Read more about our commitment to a fair work environment for all.

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