Remote Z/OS Expert — Mainframe Testing & AI Security Lead

Two95 International Inc.

United States

Remote

USD 96,000 - 207,000

Part time

14 days+

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Job summary

Two95 International Inc. is seeking a Remote Mainframe Zos Expert for a long-term contract. The role demands deep z/OS internals knowledge, strong catalog management, and extensive troubleshooting across z/OS environments.

You will validate AI fencing controls, design labs, and implement secure, auditable processes while supporting non-privileged users. The position requires hands-on experience with USS/OMVS, ISV software installations, and advanced testing.

Qualifications

Deep expertise in z/OS internals.
Strong hands-on experience with catalog management.
Proven complex troubleshooting skills.
Proficiency in USS/OMVS and USS security.
Experience with z/OS and ISV software installations.
Advanced testing capabilities (functionality, robustness, performance).
Programming experience with REXX and Python.
10+ years of professional IT experience.
Strong overall IT experience.

Responsibilities

Validate AI fencing controls through adversarial prompt testing across AI releases.
Establish alerting mechanisms and audit trails for AI-assisted actions.
Design and implement dedicated lab environments for disruptive AI testing.
Conduct validation testing for non-privileged users performing scanning and BAU operations.
Balance AI fencing controls to maintain security without excessive restrictions.
Implement AI fencing controls across environments using sanitized testing approaches.
Deploy monitoring, alerting and forensic capabilities to detect AI misbehavior.
Vet GenieZ production solution readiness and required prerequisites.
Provide advisory and implementation support for secure AI adoption and operationalization.