Mainframe Security - ACF2 to RACF Migration

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Mainframe Security Engineer ACF2 to RACF Migration

Location : Remote Employment Type : Long-Term Contract About the Role We're looking for an experienced Mainframe Security Engineer to support a large-scale migration from CA-ACF2 and RC / Secure to IBM Security Server (RACF).

This is a high-impact modernization initiative that enhances enterprise security and access management across IBM Z environments. You?ll play a key role in planning, migrating, and validating security definitions that protect critical mainframe assets collaborating with system administrators, application owners, and security teams to ensure a smooth, compliant, and secure transition. What You?ll Do Lead the migration of CA-ACF2 and RC / Secure for DB2 to IBM Security Server (RACF). Migrate and validate security definitions for user / system IDs, datasets, and subsystems (CICS, IMS, DB2). Work with teams to export and convert ACF2 security databases at designated cutover points. Implement and test password propagation solutions to maintain user credentials during migration. Collaborate across system, network, and application teams to test, document, and promote RACF-based access control. Execute migration on a sysplex-by-sysplex basis, ensuring minimal disruption to production systems.

Required Skills : Required Skills 5 year's experience with mainframe security administration on z / OS. Hands-on expertise with CA-ACF2 and / or RACF (IBM Security Server). Strong knowledge of z / OS, CICS, IMS, and DB2 subsystems. Understanding of security database migration, access control, and password management. Excellent analytical and troubleshooting skills in large, complex mainframe environments. Preferred Skills Prior experience executing ACF2-to-RACF migrations or similar z / OS security conversions. Familiarity with CA-RC / Secure, IMS interfaces, or other IBM Z security tools. Knowledge of compliance frameworks (e.g., SOX, PCI, or NIST) within mainframe contexts. Ability to script or automate security administration tasks (REXX, CLIST, or Python on z / OS). Why Join Us Contribute to a strategic IBM Z security modernization program impacting thousands of enterprise users. Work with leading-edge IBM technologies in a large-scale transformation environment. Collaborate with cross-functional mainframe experts across engineering, operations, and DevSecOps. Competitive compensation, growth potential, and long-term project stability.

Basic Qualification :

Additional Skills :

Background Check : No

Drug Screen : No

Rank : A2

Requested Date : 2025-10-31