Mainframe Security Engineer

Job Summary

Supporting a large-scale migration initiative, the contract Mainframe Security Engineer will lead the transition from CA-ACF2 and RC/Secure to IBM Security Server (RACF), focusing on planning, migrating, and validating security definitions while collaborating with various teams in a remote or hybrid work environment.

Key responsibilities:

• 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)
• Collaborate with system, network, and application teams to test, document, and promote RACF-based access control

Required qualifications:

• 5+ years of 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