Mainframe z/OS System Programmer

🕒 September 20

🇲🇽 Mexico – Remote

⏰ Full Time

🟡 Mid-level

🟠 Senior

🖥 Software Engineer

👻 Ghost score 11%

What it means: how likely this posting is sitting open without active hiring.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Atos

WebsiteLinkedInAll Job Openings

10,000+ employees

💼 Consulting

🏥 Healthcare

📦 Logistics

Consulting • Healthcare • Logistics

Atos is a global leader in digital transformation, providing a wide range of solutions and services across industries. The company specializes in cloud and infrastructure services, digital business platforms, technology consulting, and cybersecurity, with a focus on enhancing user experiences and supporting enterprise digital journeys. Atos is committed to sustainability and innovation, partnering with various organizations to drive digital advancements, such as its role as the official IT partner for the UEFA and the Olympic Games.

📋 Description

• 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

🎯 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 • Experience with multiple ISV products across the mainframe ecosystem preferred • Familiarity with large, complex, or global IT service environments preferred • System-level experience with CICS, IMS, DB2, Communications, and MQ is a strong plus

🏖️ Benefits

• Remote work in Mexico • Participation in an on-call rotation • Diversity and inclusion commitment • Fair work environment • Continuous learning and service improvement opportunities