Senior Mainframe Security Administrator (RACF) for z/OS

Cognizant Technology Solutions Corporation; Melbourne; On-site; AUD 140,000 - 190,000; Full time

Job summary

Cognizant Technology Solutions Corporation seeks a senior Mainframe Security Administrator to secure and administer IBM z/OS with RACF. You will own the RACF database, manage certificates, and support auditing across a Parallel Sysplex environment.

Responsibilities include managing RACF users and resources, database backups, and applying RACF utilities for database operations, while coordinating with security/GRC teams and application teams to maintain security standards.

Qualifications

• Hands-on RACF administration and IBM z/OS knowledge.
• Experience with Parallel Sysplex concepts and configurations.
• Strong RACF concepts, administration, and database management.

Responsibilities

• Administer RACF users, groups, and resource profiles; maintain access lists.
• Manage the RACF database: backups, housekeeping, space monitoring.
• Run RACF utilities for initialization, split/merge/extend, unload, and verification.
• Plan and execute database changes with controls to prevent corruption.

Skills

IBM z/OS

Parallel Sysplex

RACF

RACF digital certificates

RACF auditing

Mainframe security administration

Job description

Cognizant Technology Solutions Corporation seeks a senior Mainframe Security Administrator to secure and administer IBM z/OS with RACF. You will own the RACF database, manage certificates, and support auditing across a Parallel Sysplex environment.

Responsibilities include managing RACF users and resources, database backups, and applying RACF utilities for database operations, while coordinating with security/GRC teams and application teams to maintain security standards.