Job title: Senior Linux Engineer Department: IT Infrastructure Location: High Wycombe (2 days per week) Working hours: 9.30am to 6pm Monday to Friday. Reporting to: Head of IT Main purpose(s) of job: The Senior Linux Engineer is responsible and accountable for the smooth running of the computer systems within the limits of requirements, specifications, costs and timelines. This is a hands-on role with responsibility for the implementation and maintenance of the company''s computing needs. The role requires proven skills, professional experience and a detailed knowledge of industry''s best practice processes. Main tasks and duties: Essential: Manage internal and external information technology and computer systems including: RHEL/CentOS Linux Servers (SAMBA/Apache/Proxy). Red Hat RHCSA/RHCE certification MySQL, MSSQL and Postgres databases. iSCSI SAN Technologies. Clustered virtualized environment (based on XenServer or Xcp-ng). Experience in Firewall configuration and management (Netgate 8300 Firewalls). Solid experience in network configuration and management (D-Link DGS-1510-52X Switches). System monitoring. Monitor, troubleshoot, and optimize network performance, ensuring high availability and minimal downtime. Microsoft AD and Remote Desktop Services (W2019). Experience of PowerShell/Bash Scripting Desirable: Linux (Red Hat) certification would prove valuable. Container based infrastructure (Docker/Kubernetes) exposure. Mail Server (M365/Exchange) IP Based PBX and ph