About this role
Exciting Mainframe Security SME, 12 months, contract opportunity. Seeking a Mainframe Security SME to support: Project: Migration from Broadcom ACF2 to RACF. Lead the end-to-end migration from ACF2 to RACF, including planning, design, testing, cutover, and stabilization. Develop and maintain the migration roadmap, timelines, and risk mitigation strategies. Conduct detailed analysis of existing ACF2 rules, resource definitions, and access models to map them to RACF equivalents. Build automated or semi-automated processes to streamline conversion and validation. Technical Engineering & Architecture Design RACF class structures, grouping, profiles, and naming standards aligned with enterprise security policies. Implement RACF administration best practices, including role-based access, dataset protection, digital certificates, and password/ MFA integration. Configure and optimize z/OS security components such as ICSF, PKI, SAF exits, and SMF logging. Develop scripts, tools, and utilities to support RACF administration and reporting. Governance, Compliance & Risk Management Ensure RACF implementation aligns with regulatory requirements (SOX, PCI, HIPAA, etc.). Partner with audit teams to provide evidence, reporting, and remediation guidance. Establish RACF operational procedures, access request workflows, and ongoing governance models.