RACF zOS Security Expert

Role :- RACF z/OS Security Expert

Location :- Frisco TX

RACF z/OS Security Expert to manage and maintain security infrastructure across our mainframe environment with emphasis on security administration and certificate lifecycle management.

Key Responsibilities

RACF Security Administration

• Design implement and maintain RACF security policies and user access controls
• Manage user IDs groups and resource profiles (datasets transactions programs)
• Conduct security audits access reviews and incident response
• Create compliance documentation and audit reports

Certificate Management

• Manage digital certificates within RACF and z/OS using RACDCERT
• Plan and execute certificate renewals to prevent service disruptions
• Monitor certificate expiration dates and maintain renewal schedules
• Generate CSRs and coordinate with Certificate Authorities
• Install update and validate SSL/TLS certificates for z/OS applications
• Maintain certificate key rings and trust chains
• Troubleshoot certificate-related connectivity issues

System Security & Compliance

• Implement security controls for CICS DB2 IMS MQ and other z/OS subsystems
• Collaborate with CICS DB2 MQ and application teams on security requirements and implementations
• Configure Started Task and Surrogate security
• Monitor SMF security records and investigate anomalies
• Ensure compliance with industry standards (PCI-DSS SOX HIPAA)
• Support internal and external security audits
• Participate in disaster recovery planning

Required Qualifications

Technical Skills

• 7 years of hands-on RACF administration experience in z/OS environments
• Strong expertise in RACF commands utilities and best practices
• Proficiency with RACDCERT for digital certificate management
• Experience with SSL/TLS protocols and PKI infrastructure
• Strong knowledge of ISPF TSO JCL and REXX
• Familiarity with z/OS subsystems security (CICS DB2 IMS MQ)
• Understanding of SMF record analysis and security monitoring

Security & Compliance

• Deep understanding of mainframe security concepts and threats
• Knowledge of security frameworks and regulatory requirements
• Experience with security incident response
• Strong analytical and problem-solving abilities

Preferred Qualifications

• IBM RACF or mainframe security certification
• Experience with zSecure or similar security tools
• Knowledge of encryption technologies (ICSF z/OS Crypto)
• Security automation and scripting experience
• Relevant certifications (CISSP CISM)

Work Environment