The specialist will lead the remediation of critical MQ security vulnerabilities on mainframe systems by designing and implementing secure access control frameworks using Broadcom Top Secret. Key tasks include defining security patterns for batch processing, CICS transactions, and user access, while ensuring all remediation activities meet strict audit deadlines.
This is a remote position.
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.
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)