Senior Systems Administrator | £55,000 to £65,000 | Cambridge, Hybrid Working We’re hiring on behalf of a tech-driven client based in Cambridge, who is seeking a seasoned Linux and Windows expert. If you're passionate about Systems Administration, thrive in high-performance environments, and want to work with a company that truly values technical excellence, this is the opportunity for you. As a Senior Systems Administrator, you will be a key player in managing and optimising Linux and Windows operating systems. You'll be responsible for ensuring system reliability, performance, and security across a wide array of critical services. Key Skills: Strong knowledge of Windows Server systems administration Strong knowledge of Linux systems administration (Ubuntu, Exim, DoveCot, Samba, Apache2, OpenSSL, PAM, SELinux) Strong networking skills (e.g. TCP/IP, DNS, ports and protocols, routers, bridges, latency, packet loss, firewall rules, VPNs, knowledge of MTUs etc.) Ability to lead on critical projects Excellent communication skills If you have the above and want to be considered for the above, apply here now