Mainframe Security Specialist

Role Overview

We are looking for a highly experienced Mainframe Security Specialist to support a South African financial services client on a short-term, high-impact engagement .

This role focuses on addressing a critical audit finding related to MQ security on mainframe systems , ensuring robust access controls and security patterns are implemented ahead of a strict remediation deadline.

The successful candidate will bring deep expertise in mainframe security, MQ environments, and Broadcom Top Secret , along with the ability to collaborate with other senior engineers and SMEs.

Job Description

This is a remote position.

Key Responsibilities

• Lead remediation of MQ security vulnerabilities within a mainframe environment.
• Design and implement secure access control frameworks using Broad-com Top Secret.
• Define and document security patterns and controls across:
• Batch processing environments
• CICS transactions
• User access and permissions
• Third-party integrations
• Collaborate with mainframe and MQ engineers/SMEs to ensure best-practice security implementation
• Provide expert input on mainframe security architecture and governance
• Ensure all remediation activities are completed within audit timelines (before September deadline)
• Produce clear documentation of security configurations, standards, and patterns

Requirements

Required Skills

• Advanced expertise in MQ on Mainframe (z/OS)
• Strong hands-on experience with Broadcom Top Secret
• Deep understanding of mainframe security architecture and access control models
• Experience applying DevOps practices within mainframe environments
• Solid knowledge of:
• CICS security
• Batch job security controls
• User authentication and authorization frameworks
• Third-party tool security integration
• Experience with audit remediation and compliance requirements
• Ability to define and implement scalable security patterns and standards

Qualifications & Experience

• Minimum 10 years’ experience in mainframe environments
• Proven track record in mainframe security and MQ environments
• Experience working in financial services or highly regulated industries (preferred)
• Demonstrated involvement in security audits and remediation initiatives
• Relevant certifications in mainframe technologies or security (advantageous)