About the role
We are seeking a skilled Mainframe Security Analyst to join our team. As part of the Mainframe RACF Security team your role is to protect the Tesco mainframes by supporting security initiatives and administration. Working with your team and manager, maintaining control over the access and security monitoring of the mainframe platform. This role includes supporting our business users with any queries they have on access requirements or issues.
You will be responsible for
* Respond to user requests and issues assigned to the in RACF ticketing system.
* Review and action change requests for RACF access.
* Monitoring of daily tasks and controls are running to maintain operational efficiency.
* Respond to security alerts received from mainframe security monitoring.
* Administration of the RACF Roles Based Access application (RBAC)
* Administration of the RACF privileged access management (PAM)
* Recertification of access to roles with data owners.
* Create, review and maintain internal documentation (Run books, processes and procedures).
* Assist in audit evidence and remediation activities.
* Follow up on access management deficiencies identified in risk reviews, self‑assessments, risk assessments and internal and external audits.
You will need
* Extensive RACF/z/OS Specialist knowledge and experience with an understanding of other related z/OS components.
* An understanding of security concepts and technologies within a Mainframe environment.
* Use of IBM zSecure - including z/Alert, Command Verifier, Access Monitor and RACF Offline and CARLA reporting.
* Knowledge of IBM RACF Mainframe security software & configuration.
* Experience with mainframe languages such as JCL, REXX, CLIST, ISPF etc.
* Experience in documenting working processes/procedures and support activities to a high standard.
* Substantial problem‑solving skills; able to think laterally and conceptually.
* Ability to communicate effectively with team and others, in a style appropriate to the audience.
* Understanding of Role Based Access Controls (RBAC).
* Understanding of ICFR controls - (previously Sarbanes‑Oxley).
* Experience on digital certificate management & implementation.
* Knowledge of RACF remote sharing facility (RRSF).
Whats in it for you?
We’re all about the little helps. That’s why we make sure our Tesco colleague benefits package takes care of you – both in and out of work. Click Hereto find out more!
* Annual bonus scheme of up to 20% of base salary
* Holiday starting at 25 days plus a personal day (plus Bank holidays)
* Private medical insurance
* 26 weeks maternity and adoption leave (after 1 years’ service) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay, we also offer 6 weeks fully paid paternity leave
* Free 24/7 virtual GP service, Employee Assistance Programme (EAP) for you and your family, free access to a range of experts to support your mental wellbeing
About Us
Our vision at Tesco is to become every customer's favourite way to shop, whether they are at home or out on the move. Our core purpose is ‘Serving our customers, communities and planet a little better every day’. Serving means more than a transactional relationship with our customers. It means acting as a responsible and sustainable business for all stakeholders, for the communities we are part of and for the planet.
We are proud to have an inclusive culture at Tesco where everyone truly feels able to be themselves. At Tesco, we not only celebrate diversity, but recognise the value and opportunity it brings. We're committed to creating a workplace where differences are valued, and make sure that all colleagues are given the same opportunities. We’re proud to have been accredited Disability Confident Leader and we’re committed to providing a fully inclusive and accessible recruitment process. For further information on the accessibility support we can offer, please click here.
We’re a big business and we can offer a range of diverse full‑time & part‑time working patterns across our many business areas, which means that we can find something that works for you. We work in a more blended pattern – combining office and remote working. Our offices will continue to be where we connect, collaborate and innovate. If you are applying internally, please speak to the Hiring Manager about how this can work for you – Everyone is welcome at Tesco.
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