North West London, London, United Kingdom Hybrid / WFH Options
JobHeron
busy and fast paced environment, and in a reactive business. With knowledge of different specialisms within IT and technical understanding of current security trends and solutions as well as planning, implementing, and monitoring changes in infrastructure configurations. You will manage a team responsible for the installation, configuration, and maintenance of software and hardware both on premise and in cloud … infrastructure leadership experience – managing multiple teams and/or locations Infrastructure efficiency Line management Process improvement, Windows Infrastructure, Linux Infrastructure, Cloud and Hybrid Environments, IT Services Management, Project implementation, Capacityplanning Strong people management skills; proven success in recruiting, creating, and motivating a strong performing team Good communications skills, both written and verbal. Good team-working skills. Motivated More ❯
to major enterprise IT projects. Key Responsibilities Install, configure, and maintain Linux systems (RHEL, SLES) across virtualised environments (VMware ESXi, IBM Power-VM). Monitor and optimise system performance, capacity, and availability. Troubleshoot and resolve 2nd/3rd line infrastructure issues, with a focus on root cause analysis and service restoration. Collaborate on the design and deployment of high … and system monitoring tools (Zabbix, Grafana, etc.). Automation tools such as Ansible, Terraform; exposure to Git, Docker, Kubernetes, or Azure DevOps is a plus. Understanding of performance tuning, capacityplanning, and high availability architectures. Nice to Have Exposure to AIX and cloud services (Azure/AWS). Familiarity with ITIL, SAFe Agile, or Prince2 methodologies. Experience supporting More ❯
activities. Conduct regular Disaster Recovery testing, validating Recovery Point Objectives (RPO) and Recovery Time Objectives (RTO), and ensuring up-to-date DR procedures. Perform system maintenance, upgrades, performance monitoring, capacityplanning, and compute/storage management with minimal disruption. Evaluate and implement patches, service packs, and upgrades, ensuring all dependencies and approvals are addressed. Maintain comprehensive documentation and More ❯
South West London, London, United Kingdom Hybrid / WFH Options
Halian Technology Limited
System Adminfoundation Proven experience inlive incident troubleshootingand root cause analysis Deep AWS knowledge you can speak to how youve used services likeEKS, EC2, Load Balancersin production Experience withmonitoring, alerting, capacityplanning, andsecurity best practices Comfortable working inlarge-scale environmentswith thousands of endpoints Clear communicator who can document and share knowledge across teams Able to work independently and thrive More ❯