Mainframe Security Engineer: RACF & z/OS Expert

Experis; Phoenix (AZ); Hybrid; USD 120,000 - 160,000; Full time

Benefits offered by this job

Medical Plan

Dental Plan

Vision Plan

Weekly Pay

Health Savings Account

Job summary

ManpowerGroup's client is seeking a Mainframe Logical Security Engineer to join the IT Operations Department in a hybrid role based in Phoenix, AZ. You will design, implement, and manage security controls across IBM z/OS environments, administer RACF, and enforce least-privilege access.

This role requires strong problem-solving, collaboration, and a proactive approach to support regulatory requirements such as SOX, PCI, and HIPAA while contributing to enterprise security initiatives.

Qualifications

• Hands-on RACF administration on z/OS systems.
• Deep knowledge of RACF profiles, classes, dataset security, and user/group management.
• Experience with security reporting, audit tools, and analyzing SMF data.
• Understanding of z/OS security concepts, system internals, and mainframe security architecture.
• Strong problem-solving skills and ability to work collaboratively in a team environment.

Responsibilities

• Design, implement, and manage security controls across IBM z/OS environments to ensure system integrity and compliance.
• Administer and maintain RACF security environment, including creating, modifying, and revoking user IDs, groups, and resource profiles.
• Implement and enforce least-privilege access controls for datasets, applications, and system resources.
• Conduct periodic access reviews, audits, and compliance checks to support regulatory requirements such as SOX, PCI, and HIPAA.
• Analyze security logs, investigate access violations, and troubleshoot authorization failures to maintain a secure mainframe environment.

Skills

RACF administration

z/OS security concepts

SMF data analysis

Security auditing

Access control design

Tools

RACF

Job description

ManpowerGroup's client is seeking a Mainframe Logical Security Engineer to join the IT Operations Department in a hybrid role based in Phoenix, AZ. You will design, implement, and manage security controls across IBM z/OS environments, administer RACF, and enforce least-privilege access.

This role requires strong problem-solving, collaboration, and a proactive approach to support regulatory requirements such as SOX, PCI, and HIPAA while contributing to enterprise security initiatives.