Job: Mainframe Logical Security Engineer Location: Chandler, AZ Duration: 5+ Months contract
5 years of experience in IBM mainframe (z/OS) environments
Strong hands-on experience with: RACF administration (or ACF2 / Top Secret) User and group management
Dataset and subsystem security
Experience with:
Security audits and access reviews
Monitoring and analyzing security logs
Strong understanding of:
z/OS security architecture
Access control models and compliance practices
Excellent troubleshooting and analytical skills
Preferred Qualifications
Experience with ACF2 or Top Secret
Familiarity with SIEM tools (Splunk, QRadar, or similar)
Experience supporting enterprise audits and compliance initiatives
Exposure to IAM integration, SSO, and MFA solutions
Automation or scripting experience (REXX, Python, Shell)
Experience in financial services or regulated environments
What Makes This Role a Great Fit
You enjoy working on security and access control at a deep technical level
You are detail-oriented and focused on protecting critical systems and data
You thrive in environments requiring compliance, audit readiness, and precision
You are comfortable working across teams to support secure and reliable operations