job_description.job_card.job_descriptionAdminister, maintain, and configure CA-ACF2 security system on z / OS environments.Create, modify, and delete user IDs, groups, roles, datasets, and resource rules.Develop and enforce enterprise security policies and procedures using ACF2 rules.Perform access reviews, audits, and remediation tasks to ensure compliance with internal and external regulations (SOX, HIPAA, etc.).Analyze and troubleshoot access control issues, security violations, and user authorization problems.Collaborate with application, system, and network teams to integrate security practices and automate processes where possible.Create and maintain security documentation including user provisioning / deprovisioning procedures and control matrices.Implement and support multifactor authentication and other enterprise security enhancements on mainframe.Monitor system logs and audit trails for suspicious activity or policy violations.Participate in security reviews, compliance audits, and disaster recovery tests.Mainframe Tools–SIEM (Q-Radar), z / OS-SA or CA-OPS / MVS AutomationMainframe DB2, MQ, CICS, WAS, Control-MMainframe Security ACF2Mainframe Capacity Planning and Performance Tuning