Mainframe z/OS Systems Engineer

Atos SE; Ciudad Juárez; Híbrido; MXN 240.000 - 360.000; Jornada completa

Descripción de la vacante

Atos is seeking a Mainframe System Programmer to support the installation, maintenance, and administration of the z/OS Mainframe operating system in a global, collaborative setting. You will ensure system reliability, performance, and security while contributing to continuous improvement initiatives.

The role requires hands-on experience with z/OS installations and upgrades, SMP/E, JCL, ISPF, REXX, and related tools, as well as strong English communication skills.

Formación

• 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.

Responsabilidades

• 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.

Conocimientos

Communication skills

Stakeholder management

Educación

Bachelor’s degree in Computer Science or related field

Herramientas

z/OS

SMP/E

JCL

ISPF

REXX

CLIST

Descripción del empleo

Atos is seeking a Mainframe System Programmer to support the installation, maintenance, and administration of the z/OS Mainframe operating system in a global, collaborative setting. You will ensure system reliability, performance, and security while contributing to continuous improvement initiatives.

The role requires hands-on experience with z/OS installations and upgrades, SMP/E, JCL, ISPF, REXX, and related tools, as well as strong English communication skills.