CICS Systems Administrator – Hybrid On‑Call Support

Kyndryl; Ciudad de México; Hybrid; MXN 450,000 - 780,000; Full time

Job summary

Kyndryl is seeking a System Administrator in Mexico City to manage CICS regions and subsystems on IBM z/OS while ensuring high availability and security compliance. You will troubleshoot, upgrade, and collaborate across teams to deliver reliable, scalable solutions for major clients.

You will develop automation, participate in DR planning, and maintain thorough documentation. This role requires strong English skills, on-call flexibility, and a proactive mindset to support diverse industries.

Qualifications

• Availability to work on-call rotation or outside business hours.
• Experience with CICS in a z/OS environment.
• System Administration: install, upgrade and maintain CICS and related products.
• Performance analysis: read logs, troubleshoot ABENDs and apply patches.
• Security: implement security policies and web‑enabling CICS.
• Knowledge of CICS security policies, encryption and access control.
• Disaster Recovery: backup strategies and high-availability configurations.
• Strong communication and collaboration skills.
• Bachelor’s degree in computer science, IT or related field.
• Advanced English level.

Responsibilities

• Install, configure, and maintain CICS regions and subsystems on IBM z/OS.
• Monitor and tune CICS performance for high availability.
• Troubleshoot CICS-related incidents and problems promptly.
• Collaborate with application development, database, and network teams.
• Perform version upgrades, patches, and lifecycle management.
• Develop and maintain automation scripts for routine tasks.
• Participate in disaster recovery planning, testing, and execution.
• Maintain documentation for system configurations and procedures.
• Ensure compliance with security policies and regulatory requirements.
• Provide 24x7 on-call support on a rotational basis.

Skills

On-call availability

CICS in z/OS

System administration

Performance optimization

Security & compliance

CICS security policies

Disaster recovery

Communication skills

Bachelor’s degree

Advanced English

Education

Bachelor’s degree in computer science or information technology

Tools

REXX

COBOL

JCL

TSO/ISPF

CICS SSL setup

Omegamon

CICS PA

Fault Analyzer

Sysview

Job description

Kyndryl is seeking a System Administrator in Mexico City to manage CICS regions and subsystems on IBM z/OS while ensuring high availability and security compliance. You will troubleshoot, upgrade, and collaborate across teams to deliver reliable, scalable solutions for major clients.

You will develop automation, participate in DR planning, and maintain thorough documentation. This role requires strong English skills, on-call flexibility, and a proactive mindset to support diverse industries.