Strong hands-on experience operating and supporting AWS-based cloud infrastructure in production environments., Experience with core AWS services such as EC2, RDS, CloudWatch and CloudFormation (or equivalent IaC tooling)., Solid Linux/Unix administration experience, including scripting and operational automation., Relational database experience, including basic DML and DDL, and user/schema management., Experience with log aggregation and monitoring platforms such as Splunk, Sumo Logic or similar., Experience analysing and interpreting application and infrastructure logs to diagnose and resolve issues in Java-based systems., Experience working within structured operational and change management processes, with a strong process-oriented mindset (e.g. ITIL)., Experience coordinating and prioritising work, including assigning tasks while remaining hands-on., Experience acting as an escalation point within a support or on-call environment., Strong communication skills in English (written and spoken), particularly when working with Project Managers and stakeholders., Willingness to work in a 24/7 shift rota, including nights and weekends., Previous experience in a Shift Lead, Engineer-on-Duty or similar operational leadership role., ITIL Foundation (or equivalent) certification., AWS certifications (e.g. Cloud Practitioner, Solutions Architect Associate, SysOps Administrator)., Experience managing changes across multiple environments (dev, test, pre-prod, production)., Database performance tuning and troubleshooting experience., Experience with additional AWS services such as DMS, CodeDeploy or Lambda., Experience with cloud security and threat monitoring tools (e.g. GuardDuty, Alert Logic, Threat Stack)., Experience with asynchronous messaging technologies such as Kafka or JMS/ActiveMQ.