Purpose of the RoleThe Senior IT Systems Engineer will be responsible for designing, implementing, maintaining, and supporting the IT infrastructure across the client''s three sites. This includes managing a wide range of systems such as hardware, software, networks, servers, and databases. The Senior IT Systems Engineer will ensure that the client''s IT infrastructure and mission-critical simulator operations remain reliable, secure, and efficient, and that all systems effectively support the organisation''s overall business objectives.Key Duties and ResponsibilitiesIssue Management: Identify, troubleshoot, and resolve issues related to hardware, software, or network connectivity across both the Simulator and Office networks, ensuring all incidents are properly logged and tracked. Oversee the IT helpdesk system to maintain targeted service level agreements (SLAs).Installation and Configuration: Lead the installation and configuration of hardware, software, and network systems to achieve optimal performance, reliability, and security.Technical Support: Provide 2nd and 3rd line technical support, resolving complex system, hardware, software, and network issues.Security Management: Monitor and maintain IT security measures to protect organisational data, networks, and systems from unauthorised access, data breaches, or other cyber threats.Maintenance and Upgrades: Carry out regular maintenance, updates, and upgrades of IT systems, ensuring high performance and minimal downtime.