Senior Infrastructure and Network Systems Engineer Galldris Group Location: Head Office, Enfield, EN3 7FJ An exciting opportunity has arisen for a Senior Infrastructure and Network Systems Engineer to join our Head Office team. The purpose of the role is to secure design and operation of hybrid on-prem and cloud infrastructure. Front-facing technical engineer supporting internal work collogues, management, and remote office. Key Responsibilities Infrastructure and Platforms Linux and Windows Server 2016+ administration Proxmox virtualization Reverse Proxy Web Server Management Application Proxy Gateway Cloud and hybrid server environments Knowledgeable ITIL frameworks, MDM platforms Microsoft and Web Services Microsoft 365 and Exchange (Online / Hybrid) IIS and secure web server hosting Identity integration (Knox, Intune, Azure AD / Entra ID) Storage and Data TrueNAS administration File services (SMB, NFS, iSCSI) Backup and recovery Veeam systems, Identity, Certificates and Policy RADIUS authentication and policy generation PKI and server certificate management Cross-platform identity integration Networking Network design and segmentation Cisco and Ubiquiti hardware VPNs, secure connectivity, and access control Kubernetes and Containers Kubernetes cluster operations Persistent storage integration Certificate-based authentication Cybersecurity Knowledge Zero Trust and defense-in-depth principles Network and identity security, Server and platform hardening Monitorin