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

Publication Date:  Jul 6, 2026
Ref. No:  549242
Location: 

Warszawa, PL Wroclaw, PL

About Atos Group

 

Atos Group is a global leader in digital transformation with c. 56,000 employees and annual revenue of c. €7.2 billion (at the go-forward perimeter), operating in 54 countries under two brands - Atos for services and Eviden for products and systems. European number one in cybersecurity and a leader in cloud, Atos Group is committed to a secure and decarbonized future and provides tailored AI-powered, end-to-end solutions for all industries. Atos Group is the brand under which Atos SE (Societas Europaea) operates. Atos SE listed on Euronext Paris. 


The purpose of Atos Group is to help design the future of the information space. Its expertise and services support the development of knowledge, education and research in a multicultural approach and contribute to the development of scientific and technological excellence. Across the world, the Group enables its customers and employees, and members of societies at large to live, work and develop sustainably, in a safe and secure information space. 

 

We are looking for a Mainframe IMS Specialist to support and maintain IBM IMS environments running on IBM z/OS. In this role, you will work on the administration, support, optimization, and ongoing improvement of business-critical Mainframe systems while collaborating with global teams and customers.

 

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

We are interested in professionals with experience in Mainframe environments and exposure to some of the following technologies:

  • IBM z/OS

  • IMS DB and/or IMS TM/DC

  • JCL, TSO/ISPF, SDSF

  • DBRC, VSAM

  • REXX or other scripting tools

  • Mainframe monitoring and scheduling tools

  • Performance tuning, backup and recovery concepts

Additional experience with DB2, IBM MQ, COBOL, PL/I, Java, CICS, or automation initiatives would be 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

  • Benefits platform – shopping, cinema, sport etc.

  • 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

  • Flexible working hours

 

What happens next?

  • Quick conversation with HR

  • Interview with a Manager/IT expert/project representative (via MS Teams)

  • Feedback (1-5 business days after the interview)

 

 

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

 

Atos is a recognized leader in its industry across Environment, Social and Governance (ESG) criteria. Find out more on our CSR commitment. 

 


Choose your future. Choose Atos.