Infrastructure Engineer, Mainframe Security Services

Job Description:

Join us as an Infrastructure Engineer in Mainframe Security Services

* We'll look to you to deliver the engineering of infrastructure technologies, specifically RACF and Security on the Mainframe.
* In order to achieve a first-class customer experience, you'll make sure that the project deliverables can achieve the customers' goals, within a well-considered total cost of ownership
* You'll work with colleagues across the bank, allowing you to expand your network and gain exposure for you and your work

What you'll do

As an Infrastructure Engineer, you'll be engineering technical infrastructures for departmental applications and services. You'll be working on service or change initiatives, ensuring their availability and maintaining, managing and deploying technology infrastructure on behalf of either the function or investment projects.

You'll also be:

* Reviewing deployment documentation for all departmental infrastructure components from application and development
* Providing a base build for the development environment for the system and handover to the application and development teams
* Building the user acceptance testing environment for the system and managing all updates to the departmental infrastructure during the migration phase of the system
* Creating technical test plans and recording results for the infrastructure components, as well as engaging the application and development teams to assist with conducting these tests
* Creating technical implementation plans and running books for system deliveries
* Join the on call rota and support changes out of hours

The skills you'll need

To succeed in this role, you'll need a clear understanding of how your particular area of expertise supports our customers, ranging from applications and services supported and developed to decisions taken, and risk based with the objective of producing high availability, low cost systems.

You'll also demonstrate:

* A strong understanding across the Mainframe stack such as RACF, ICSF, Mainframe hardware and application, JCL, REXX and zSecure
* A strong understanding of Cryptography and Digital Certificates
* Experienced ServiceNow user
* An understanding of the roadmap of your area of expertise
* A clear understanding of infrastructure layers or stack, with a broad knowledge across multiple platforms, such as mainframe, middleware, network or deeper specialism
* An understanding of Security Best Practices such as DORA, PCI DSS and NIST
* The ability to work with design authorities to deploy cost effective and resilient solutions
* Experience of contributing to roadmaps and strategies, and working closely with third parties, assuring output and managing performance
* A focus on Continuous Improvement driving AI and Automation using GIT, Ansible, YAML
Hours35

Job Posting Closing Date:11/05/2026

Ways of Working:Remote First