Infrastructure Specialist

Reference Code:
JR-0000043631
Join us as an Infrastructure Specialist at Barclays working with the Mainframe Security Engineering Team, where you'll build and maintain infrastructure platforms and products that support applications and data systems. You will use hardware, software, networks, and cloud computing platforms as required, with the aim of ensuring that the infrastructure is reliable, scalable, and secure.

The team provides 24x7 support for Production systems so you will be expected to work both standard hours and on an on-call basis, weekends, and evenings.

To be successful in this role you should have:
Expert knowledge of Mainframe security, including:
RACF administration and the management of RACF profiles, user access, and permissions.
The implementation and maintenance of RACF security policies and procedures to ensure data protection.
Performance of regular audits and reviews of RACF access controls, resolving any security issues.
Monitoring and response to security alerts; performing root cause analysis and implementing corrective actions.
Understanding the implementation of Mainframe Certificates and Mainframe cryptography.
Experience of Security Best Practices and Compliance, assisting in the development and maintenance of security policies and procedures.
Knowledge of Enterprise Security Manager RACF.

Expert knowledge of REXX programming, including:
Proficiency in the development and maintenance of REXX and JCL scripts for the automation of security processes and monitoring. Allowing for the enhancement of system efficiency through scripting to support security operations. Working with development teams to optimize scripts for performance and maintainability.

Expert knowledge of JCL, including:
The creation, maintenance and troubleshooting of JCL scripts for batch processing in a secure manner.
Ensuring that JCL scripts adhere to security best practices and company standards.
Collaboration with the operations team to support job execution and resolve job failures.

Some other highly valued skills may include:
Knowledge of Mainframe z/OS architecture and Sysplex.
Understanding of IDAM
Certification - CISSP / CISA / CISM

You may be assessed on the key critical skills relevant for success in role, such as risk and controls, change and transformation, business acumen strategic thinking and digital and technology, as well as job-specific technical skills.