Network and Systems Engineer - Real Estate/ Construction - London£65,000-£77,000 + Discretionary Bonus and BenefitsThe BusinessOur client is a well-established London based construction firm delivering high-quality new build, refurbishment and fit-out projects ranging from £1m-£60m. Its client portfolio includes globally recognised brands and international recognised prestigious institutions.The RolePart of a small team of 3, the Network and Systems Administrator will take ownership of the day-to-day operation, security and continuous improvement of the company''s IT infrastructure.This is a hands-on technical role supporting both head office and live construction sites. Reporting to the IT Director, the successful candidate will work closely with internal stakeholders, third-party suppliers and consultants to ensure systems are secure, reliable and scalable.The role requires a strong technical foundation, a proactive mindset and the ability to balance infrastructure leadership with high-level technical support.Key ResponsibilitiesNetwork and InfrastructureImplement, manage and support Fortinet solutions including FortiGate firewalls, FortiManager, FortiAnalyzer and FortiClient VPNManage firewall policies, SD-WAN, VPNs (site-to-site and client), and network segmentationSystems and CloudAdminister Windows Server environments including Active Directory, Group Policy, DNS, DHCP and file servicesSupport virtualised environmentsAssist with Azure resource administrationCyber Securi