Mainframe Z/OS Administrator — Hybrid, Critical Infra

Joinimagine; United States; Hybrid; USD 90,000 - 130,000; Full time

Job summary

Kyndryl is looking for a Mainframe Administrator to administer and operate IBM Z environments, ensuring availability, stability, and performance of critical infrastructure. You will respond to incidents, changes, and maintenance tasks, and work with cross‑functional teams to uphold service levels.

The role involves managing batch jobs, RACF security basics, and continuous improvement of operational procedures while documenting workflows for audits and training.

Qualifications

• 3–5 years of experience administering IBM Z environments.
• Solid understanding of z/OS components and system health monitoring.
• Familiarity with ITIL incident, change, and problem management processes.

Responsibilities

• Administer and operate IBM Z environments and z/OS operating system.
• Monitor platform health and performance of the Mainframe.
• Manage batch jobs, job execution, and error analysis using JCL.
• Handle incidents, requests, and infrastructure changes under ITIL guidelines.
• Configure user access and basic security controls with RACF.
• Perform maintenance, validation, and operational support activities.
• Analyze capacity, availability, and performance of the platform.
• Participate in continuity, backup, and recovery activities.
• Create and maintain technical documentation and procedures.
• Escalate high-complexity issues to specialist teams when needed.

Skills

IBM Z administration

Mainframe monitoring

JCL knowledge

Tools

RACF

Job description

Kyndryl is looking for a Mainframe Administrator to administer and operate IBM Z environments, ensuring availability, stability, and performance of critical infrastructure. You will respond to incidents, changes, and maintenance tasks, and work with cross‑functional teams to uphold service levels.

The role involves managing batch jobs, RACF security basics, and continuous improvement of operational procedures while documenting workflows for audits and training.