About The Position

Atos is looking for a Mainframe System Programmer to support the installation, maintenance, and administration of the z/OS Mainframe operating system. This role plays a key part in ensuring system reliability, performance, and security while supporting continuous improvement initiatives in a global and collaborative environment.

Requirements

  • Proven experience in installation, maintenance, problem diagnosis, and administration of z/OS
  • Strong working knowledge of SMP/E
  • Proficiency in JCL, ISPF, REXX, CLIST, and SMP/E
  • Experience with multiple mainframe products including security, resource, performance, storage, scheduling, application, and hardware management tools
  • Verbal and written proficiency in English
  • Bachelor’s degree in Computer Science or a related field, or a relevant technical certification
  • Experience supporting enterprise mainframe environments
  • Hands-on involvement in z/OS installations and upgrades
  • Strong communication and stakeholder management skills
  • Ability to work independently and collaboratively in a remote environment
  • Analytical mindset with a focus on system stability and service quality

Nice To Haves

  • Experience with multiple ISV products across the mainframe ecosystem
  • Familiarity with large, complex, or global IT service environments
  • System-level experience with CICS, IMS, DB2, Communications, and MQ is a strong plus; candidates with this experience will be prioritized for interview

Responsibilities

  • Install, upgrade, and administer the z/OS operating system, including RSU maintenance
  • Perform system changes in line with Atos security standards and internal controls
  • Provide IPL support and resolve JES2/JES3 issues
  • Maintain TSO/ISPF environments, including CLIST, REXX, and PROC maintenance
  • Perform MVS tuning and manage PARMLIB
  • Create and manage LPARs
  • Execute SMP/E activities including Receive, Apply, USERMOD, and exit management
  • Install and upgrade ISV products such as CA1, CA7, CA11, Syncsort, File-Aid, Abend-Aid, Mainview, System Automation, ASG, and BMC products
  • Support testing, implementation, and deployment of new or improved systems and product upgrades
  • Collaborate with internal teams, management, and clients to drive continuous service improvement
  • Participate in on-call rotation as required

Benefits

  • Diversity and inclusion are embedded in our DNA.
  • Commitment to a fair work environment for all.
  • Recognized leader in its industry across Environment, Social and Governance (ESG) criteria.
  • Commitment to CSR.
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