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Senior Mainframe CICS/MQ Administrator

Publication Date:  Jul 21, 2026
Ref. No:  549851
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 Senior Mainframe CICS/MQ Administrator to join our Mainframe Operations team. The successful candidate will be responsible for the administration, maintenance, support, and optimization of IBM CICS and MQ environments running on IBM z/OS platforms. The role focuses on ensuring high availability, stability, security, and performance of mission-critical online transaction processing systems while supporting customers and internal delivery teams. The position requires participation in incident management, change implementation and continuous service improvement activities. 

  

Key Responsibilities 

  • Install, configure, and maintain CICS TS and MQ subsystems on z/OS. Manage PTF applications, release upgrades, and lifecycle maintenance for both and related third-party software. 

  • Design, implement, and support CICS and MQ environments, to ensure continuous availability. 

  • Creation and customization of new CICS regions tailored to business requirements. 

  • Customization, proactive monitoring, and advanced troubleshooting of the CICS and MQ environments. 

  • Deep-dive analysis of system dumps and traces to identify root causes. 

  • Analyzing and enhancing the performance and stability of the CICS and MQ environments. 

  • Plan, script, and execute disaster recovery (DR) procedures for CICS and MQ environments, participating in regular DR testing. 

  • Provide rotational 24/7 on-call support for critical production systems. 

  • Prepare technical documentation. 

 

Required Skills 

  • 8+ years of hands-on experience as a Mainframe Systems Programmer for CICS and MQ on z/OS. 

  • Extensive experience with mainframe performance monitors (e.g., BMC AMI Ops, CA Sysview). 

  • Strong understanding of CICS and MQ architectural concepts. 

  • Exceptional analytical skills with the ability to navigate high-pressure, critical-impact outages and deliver clear technical communications to stakeholders. 

  • Change and Incident Management processes. 

Preferred 

  • IDMS hands on experience.  

 

Soft Skills 

  • Strong analytical and troubleshooting capabilities. 

  • Excellent customer focus. 

  • Ability to work independently and within global teams. 

  • Effective communication and documentation skills. 

  • Ability to prioritize and manage multiple activities simultaneously. 

  • Continuous learning mindset. 

 

What’s in it for you?

  • Access to training and certifications.

  • Remote or Hybrid mode of work (only max. 2 times per month based on your location and contract type).

  • 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)

 

Atos
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Let’s grow together. 

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.

 

 

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