Mainframe System Programmer
World Grid
Mainframe System Programmer
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.
Key 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
Must-have Qualifications / Skills:
- 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
Professional Experience:
- Experience supporting enterprise mainframe environments
- Hands-on involvement in z/OS installations and upgrades
Soft Skills:
- 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
Good-to-have Qualifications / Skills:
- 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
Vacancy posted 1 day ago
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