Mainframe Security Administrator
- Administer RACF security across an IBM z/OS environment, including users, groups, access controls, database maintenance and certificates.
- Plan and execute controlled RACF database changes, support auditing and compliance, and provide second- and third-level incident support.
- Collaborate with systems, application and security teams, and maintain procedures, runbooks and technical documentation.
Are you a Mainframe expert looking for your new contract role?
Your new company
Join a large enterprise environment with a strong focus on technology, security and operational resilience. Youll work within an experienced technical team supporting a complex mainframe environment while collaborating closely with systems, application and security stakeholders.
Your new role
As a Mainframe Security Administrator, youll take ownership of security administration across an IBM z/OS environment, with a strong focus on RACF. Your responsibilities will include:
- Administering RACF users, groups, resource profiles and access lists
- Managing the RACF database, including backups, housekeeping and capacity monitoring
- Running and interpreting RACF utilities for database initialization, verification, split/merge and extension activities
- Planning and executing controlled RACF database changes
- Managing RACF digital certificates
- Supporting security auditing and compliance activities
- Providing second and third-level support for z/OS security incidents and access issues
- Developing procedures, runbooks and technical documentation
- Working closely with systems programmers, application teams and security/GRC teams
What you'll need to succeed
- Relevant mainframe security administration experience
- Deep, hands-on experience with IBM z/OS
- Strong RACF administration and RACF database management experience
- Hands-on experience managing RACF digital certificates using RACDCERT
- Practical experience with RACF auditing
- Working knowledge of Parallel Sysplex concepts
- Strong troubleshooting skills within complex mainframe security environments
What you'll get in return
- Excellent environment with focus on work-life balance
- Work with a team that values innovation, collaboration and excellence
- Enjoy the diverse and inclusive workplace
What you need to do now
If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now.
If this job isn't quite right for you, but you are looking for a new position, please contact us for a confidential discussion on your career.
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