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# Mainframe Logical Security Engineer

- **Company:** Conch Technologies
- **Location:** Phoenix, AZ, United States
- **Experience:** Expert
- **Salary:** $61,300.0 - $122,700.0
- **Contract:** Permanent contract
- **Skills:** Cyber Security, Data Files, IBM Mainframe, Rexx (Programming Language), Identity and Access Management, Python (Programming Language), Logical Security, Mainframes, IBM Resource Access Control Facility, Shell Script, Security Information and Event Management, Subsystems, Z/OS, Scripting, QRadar, Splunk
- **Published:** July 3, 2026
- **Apply:** https://www.careerjet.com/jobad/us88ed3c906762351fbd7b275d2f405ed3

## About the Role

5+ years of experience in IBM Mainframe (z/OS) environments
Strong hands-on experience with RACF administration (ACF2 or Top Secret experience is a plus)
Expertise in user and group management
Experience managing dataset and subsystem security
Strong understanding of z/OS security architecture and access control models
Experience conducting security audits, access reviews, and compliance assessments
Experience monitoring and analyzing security logs
Excellent troubleshooting, analytical, and problem-solving skills
Preferred Qualifications
Experience with ACF2 or CA Top Secret
Familiarity with SIEM tools such as Splunk, QRadar, or similar platforms
Experience supporting enterprise audit and compliance initiatives
Exposure to IAM, SSO, and MFA solutions
Automation or scripting experience with REXX, Python, or Shell scripting
Experience working in financial services or other regulated environments

## Description

Administer and maintain RACF and mainframe security controls
Manage user access, roles, groups, and permissions across z/OS environments
Perform security audits, access reviews, and compliance reporting
Monitor security events, investigate issues, and support remediation efforts
Implement and maintain dataset, subsystem, and resource security policies
Collaborate with infrastructure, IAM, and compliance teams to ensure secure operations
Support audit readiness and regulatory compliance initiatives
Best regards,
Sai Koushik Bezawada


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