Mainframe System Programmer
RemoteMexico
MexicoRemoteFull TimeBachelors DegreeEnterprise
Full TimeBachelors DegreeEnterprise
Job Summary
Install, upgrade, and administer the z/OS operating system, including RSU maintenance, while performing system changes aligned with security standards. Provide IPL support, resolve JES2/JES3 issues, and maintain TSO/ISPF environments by managing CLIST, REXX, and PROC. Execute SMP/E activities, create and manage LPARs, and tune MVS performance. Install and upgrade ISV products such as CA1, CA7, Syncsort, and File-Aid. Support testing, implementation, and deployment of system upgrades, and participate in on-call rotation as required.
Required Qualifications
- 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
Desired Qualifications
- 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
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