Mainframe Engineer - Banking - Cardiff

RedRock Resourcing; Cardiff; On-site; GBP 60,000 - 80,000; Full time

Job summary

RedRock Resourcing is seeking a Mainframe Engineer to join its Cardiff-based team. You will support major incidents across core banking, payments and job scheduling platforms, coordinate recovery activities and provide technical direction to the operations team.

You will own platform health through monitoring, automation and service reliability improvements, while managing system and database administration to meet performance and resilience targets.

Qualifications

• Strong knowledge of mainframe operations, ideally Unisys.
• Significant experience in IT operations, infrastructure and production support.
• Expertise in job scheduling and monitoring tools.

Responsibilities

• Support major incidents across core banking, payments and job scheduling platforms, providing technical direction and coordinating recovery activities.
• Act as escalation point for complex incidents and problems, providing 3rd-line support and driving resolution.
• Own platform health through monitoring, automation, tooling, job scheduling and service reliability improvements.
• Manage system and database administration to meet performance, resilience and recovery requirements.
• Design and test DR capabilities and maintain runbooks and recovery plans.
• Lead on complex changes and releases, ensuring operational readiness and robust controls.
• Promote best practice, knowledge sharing and continual improvement across operations.
• Coach and mentor colleagues to build a resilient, high-performing team.

Skills

Mainframe operations

IT operations

Job scheduling & monitoring

Tools

Unisys mainframe

Job description

A leading organisation in the Cardiff area requires a Mainframe Engineer to join its internal team. Duties will include the following:

• Supporting major incidents across core banking, payments and job scheduling platforms, providing technical direction, coordinating recovery activities, and keeping stakeholders informed.
• Acting as escalation point for complex incidents and problems, providing 3rd-line support and driving esolution.
• Owning platform health through improvements in monitoring, automation, operational tooling, job scheduling and service reliability.
• Managing system and database administration, ensuring performance, resilience, capacity and recovery requirements are met.
• Designing and testing DR capabilities and maintaining effective runbooks, procedures and recovery plans.
• Leading on complex system changes and releases, ensuring operational readiness, robust controls and successful service outcomes.
• Promoting best practice, knowledge sharing and continual improvement across operations team.
• Coaching and mentoring colleagues and helping to build a resilient, high-performing team.

Suitable candidates will have:

• A strong knowledge of mainframe operations (ideally Unisys but will flex)
• Substantial experience in IT operations, infrastructure, and production support environments
• Expertise in job scheduling and monitoring tools

Additionally, experience of the following would be useful:

• SQL Server skills (such as performance tuning, troubleshooting, backup & restore)
• Experience with Windows environments, PowerShell, SFTP and Azure DevOps