Senior Infrastructure Engineer – 8 month - £200 p/day inside IR35 – East Sussex Overview I am currently recruiting for a highly motivated and technically skilled Senior Infrastructure Engineer to join my client who are a global consultancy. This is a key role providing high-quality 2nd and 3rd line support for critical infrastructure across multiple healthcare sites in East Sussex. You’ll contribute to vital IT services that directly support patient care, ensuring infrastructure stability, performance, and availability across acute and community healthcare environments. This position offers the opportunity to work on complex technical projects such as domain migrations, server architecture enhancements, and infrastructure upgrades. You'll also play an active role in mentoring junior staff and contributing to service improvement across the Trust. Key Responsibilities Provide 2nd and 3rd line technical support for the Trust’s network, servers, and infrastructure systems Lead on domain migration activities, including Active Directory configuration, security validation, and testing Manage configuration, installation, repair, and maintenance of high-value ICT equipment and systems Monitor and improve system performance, availability, and scalability across core infrastructure Analyse, troubleshoot, and resolve complex IT incidents using sound diagnostic skills and structured processes Maintain accurate and timely records in the call logging system Liaise with third-party vendors and support providers to resolve issues and implement improvements Contribute to project scoping, documentation, testing, and delivery of infrastructure solutions Provide technical documentation, user training, and expert advice to colleagues and stakeholders Stay up to date with developments in server, networking, and cloud technologies, aligning improvements Provide supervision and mentorship to junior engineers and support staff as required Skills and Experience Required Significant experience in an IT support environment at 2nd and 3rd line level Strong knowledge of VMware, Active Directory, and domain migrations Good understanding of enterprise wireless infrastructure, LAN/WAN networking, and server technologies Hands-on experience configuring switches (e.g., Alcatel), installing hardware, and imaging systems Ability to support applications and manage upgrades to Microsoft environments Strong diagnostic skills and the ability to document technical procedures clearly Familiarity with call logging systems and working within defined service level agreements (SLAs) Experience working in regulated or healthcare environments is advantageous Package 8-month contract £200 p/day inside IR35 Onsite in Saint Leonards-on-sea