Engineer

Mainframe Operations Engineer (Unisys/OpCon)
3 - 6-Month Contract | Inside IR35 | Hybrid - South Wales

We're looking for an experienced Mainframe Operations Engineer with hands-on Unisys mainframe and OpCon experience to support and enhance critical business and payment systems within a highly regulated environment.

You'll play a key role in maintaining the availability, stability and performance of business-critical platforms, leading major incident resolution, driving automation and supporting continuous operational improvement.

Key Responsibilities
* Lead the resolution of major incidents, coordinating technical recovery and stakeholder communications.
* Provide 3rd-line support for complex operational issues, driving root cause analysis and permanent resolution.
* Improve platform reliability through monitoring, automation, operational tooling and job scheduling.
* Administer Windows-based systems and SQL Server environments, ensuring performance, resilience and recoverability.
* Lead system changes, releases and disaster recovery testing.
* Work closely with Infrastructure, Development, Security and third-party suppliers to deliver operational excellence.
* Champion ITIL best practices and continual service improvement.
* Mentor colleagues and help develop technical capability across the team.
Required Skills & Experience
* Proven experience supporting Unisys mainframe environments.
* Hands-on experience with OpCon or a comparable enterprise job scheduling platform.
* Strong background in IT Operations, Production Support or Mainframe Operations.
* SQL Server administration, performance tuning and troubleshooting.
* Windows Server, PowerShell, SFTP and Azure DevOps experience.
* Good understanding of ITIL/ITSM processes within regulated environments.
* Excellent communication, problem-solving and stakeholder management skills.

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