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# Senior z/OS Security (RACF) Architect

- **Company:** Brilliant
- **Location:** United States (Remote available)
- **Experience:** Expert
- **Contract:** Contract
- **Skills:** IBM Parallel Sysplex, PCI Data Security Standards, Posix, IBM Resource Access Control Facility, Sherwood Applied Business Security Architecture, Security Information and Event Management, Z/OS, Cloud Platform System, Togaf, National Institute of Standards and Technology Cybersecurity Framework
- **Published:** October 15, 2026
- **Apply:** https://www.dice.com/job-detail/56e0ef8b-3105-4760-91b3-8b254dc1eca4

## About the Role

Seeking a Senior z/OS Security Architect with 15+ years of z/OS security experience and progressive technical leadership in large-scale enterprise environments. The candidate will lead mainframe security architecture, governance, risk management, and regulatory compliance initiatives while advising executive leadership on security strategy., * Expert-level RACF / Enterprise Security Management (ESM) architecture, implementation, and governance.

 * Advanced USS security: UIDs, GIDs, OMVS, POSIX, and superuser controls.
 * Expertise in FACILITY, UNIXPRIV, STARTED, CSFSERV, CRYPTOZ classes, zFS/HFS security, and SIEM integration.
 * Multi-LPAR, Sysplex, and cross-platform security architecture.
 * Security frameworks: SABSA, TOGAF, NIST CSF, enterprise risk management, and regulatory compliance (SOX, PCI-DSS, GDPR).
 * Executive-level communication, security strategy, and governance experience.

Preferred Certifications: CISSP, CISM, IBM Certified z/OS Security Expert.