Mainframe Security Engineer

Mainframe Security Engineer

Long term contract

Phoenix, AZ (Hybrid-3 days onsite)

Immediate client interview

Need Strong zOS (Mainframe) system programmer 

Qualifications

·  5+ years of experience in IBM z/OS mainframe environments

· Strong hands-on experience with RACF administration (or ACF2 / Top Secret)

· Experience with user and group management

· Experience administering dataset and subsystem security

· Experience conducting security audits and access reviews

· Experience monitoring and analyzing security logs

· Strong understanding of z/OS security architecture, access control models, and compliance practices

· Excellent troubleshooting and analytical skills

· IBM z/OS Security

· RACF / ACF2 / Top Secret

· User & Group Administration

· Dataset & Subsystem Security

· Security Audits & Access Reviews

· Security Log Monitoring

· Compliance & Access Controls

· SIEM Tools (Splunk, QRadar)

· IAM, SSO, MFA

· REXX, Python, Shell Scripting

Responsibilities

·  Administer and support RACF, ACF2, or Top Secret security environments

· Manage user IDs, groups, roles, and access permissions

· Configure and maintain dataset and subsystem security controls

· Perform access reviews, security audits, and compliance validations

· Monitor security logs and investigate access/security-related issues

· Troubleshoot and resolve security administration requests and incidents

· Partner with audit, compliance, and infrastructure teams to maintain secure operations

· Support regulatory, internal, and external audit requirements