Mainframe Logical Security Engineer

We are seeking an experienced Mainframe Logical Security Engineer to join our client’s security team in Chandler, AZ. The ideal candidate will have strong hands-on experience with IBM z/OS mainframe security, access administration, and security compliance. This role is responsible for managing logical access controls, supporting security audits, and ensuring the integrity of the mainframe environment. Responsibilities

• Administer and manage security within IBM z/OS mainframe environments.
• Configure and maintain RACF, ACF2, or Top Secret security policies and access controls.
• Perform user and group administration, including provisioning, deprovisioning, and access modifications.
• Manage dataset, resource, and subsystem security permissions.
• Conduct periodic access reviews and support security audits.
• Monitor security logs and investigate access-related issues.
• Ensure compliance with organizational security standards and regulatory requirements.
• Work closely with infrastructure, application, and audit teams to resolve security concerns.
• Document security procedures and maintain access control documentation.

• Strong hands-on experience with IBM z/OS Mainframe Security.
• Expertise in RACF (or equivalent experience with ACF2 or Top Secret).
• Experience with user/group administration and access management.
• Knowledge of dataset security, resource protection, and subsystem security administration.
• Experience performing security audits, access reviews, and security log monitoring.
• Strong understanding of z/OS security architecture and best practices.
• Excellent analytical, troubleshooting, and communication skills., * Experience supporting regulated or enterprise-scale mainframe environments.
• Familiarity with compliance and audit requirements.
• Ability to work collaboratively with cross-functional technical and security teams.

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