Posted Jul 25, 2026

MAINFRAME SECURITY ARCHITECT

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W2 Opportunity | RACF Security Architect Consultant | Remote Location: Remote (U.S.) Employment: W2 Contract Only (No C2C / No Vendors) Client: Leading Banking Client Long-Term Contract We're seeking a Senior RACF Security Architect Consultant to lead the architecture, assessment, and implementation of enterprise IBM Z Mainframe Security solutions. This is an Architect-level role—not an Engineer position. The ideal candidate will have a proven track record of leading enterprise security projects, defining target-state architectures, and guiding engineering teams through successful implementations. This is an outstanding opportunity for a seasoned Mainframe Security Architect with deep expertise in IBM RACF, zSecure, USS Security, Identity & Access Management (IAM), and enterprise security architecture. ✅ Must-Have Skills • 12+ years of Mainframe Security experience • Expert-level IBM RACF Architecture & Security Design • Hands-on expertise with IBM zSecure • Strong experience with z/OS UNIX System Services (USS) Security • Experience leading enterprise RACF & USS Security projects • Mainframe Authentication, Encryption & Key Management • Identity & Access Management (IAM) principles • Strong architecture, stakeholder management, and project leadership experience ⭐ Preferred Qualifications • CARLa, REXX, and JCL scripting • DB2, Sybase, SQL • CICS, MQ, Systems Programming knowledge • Multifactor Authentication (MFA) • Digital Certificates & PKI • Compliance Manager & Admin Express • Banking or highly regulated enterprise environments • Excellent communication and executive stakeholder engagement Key Responsibilities • Lead architecture, assessment, and solution design for enterprise RACF and USS security initiatives. • Define target-state security architectures and guide engineering teams through implementation, testing, and deployment. • Design authentication, authorization, encryption, privileged access, and sensitive data protection solutions. • Partner with Infrastructure, Application Development, Security, Audit, Database, Systems Programming, and Operations teams. • Develop automation, monitoring, reporting, and compliance solutions using IBM zSecure, CARLa, Compliance Manager, and related technologies. • Evaluate security architecture, identify risks, recommend strategic improvements, and ensure compliance with enterprise security standards. • Serve as the SME for RACF, USS, and IBM Z security architecture while driving modernization and operational excellence. Technology Stack IBM RACF | IBM zSecure | z/OS | USS (UNIX System Services) | CARLa | REXX | JCL | TSO | ISPF | SDSF | DB2 | Sybase | SQL | CICS | MQ | IAM | MFA | PKI | Digital Certificates | Key Management | Compliance Manager | Admin Express | Mainframe Security | IBM Z