Mainframe Security Administrator (Remote)

A financial services organization is seeking a new Mainframe Security Administrator for a remote contract opportunity supporting enterprise mainframe security operations. This role focuses on RACF administration, access governance, compliance support, and Tier 3 troubleshooting in a z/OS environment. About the Opportunity: Shift: Day Schedule: Monday to Friday Hours: Standard business Setting: Remote Responsibilities: Administer RACF security for user IDs, groups, resource profiles, dataset profiles, and related controls Manage access permissions and security profiles in accordance with least privilege and compliance standards Configure and maintain RACF settings, including SETROPTS parameters Review and approve access requests while supporting security policy adherence and audit readiness Provide Tier 3 support for RACF-related incidents, service requests, and troubleshooting Qualifications: Strong experience with IBM RACF and z/OS security administration Knowledge of IBM zSecure, TSO, ISPF, JCL, and REXX Experience with CICS and DB2 security Understanding of access control, least privilege, IAM, and security compliance Strong analytical, troubleshooting, and communication skills Desired Skills: Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field Experience with ServiceNow or a similar ticketing system