Sira Consulting, an Inc 5000 company · 13 hours ago
RACF z/OS Security Expert
Frisco, TX
Contract
Onsite
Senior Level
7+ years expSira Consulting, an Inc 5000 company, is seeking a RACF z/OS Security Expert to manage and maintain security infrastructure across their mainframe environment. The role focuses on security administration and certificate lifecycle management, involving responsibilities such as designing security policies, managing user access, and ensuring compliance with industry standards.
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Responsibilities
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
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
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
Qualification
Required
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
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
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)
Company
Sira Consulting, an Inc 5000 company
SiRA Consulting is a Certified MBE consulting company that was founded in 2012.
201-500 employees
H1B Sponsorship
Sira Consulting, an Inc 5000 company has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (14)
2024 (50)
2023 (42)
2022 (63)
2021 (86)
2020 (70)
Funding
Current Stage
Growth StageCompany data provided by crunchbase