BlackStone eIT

Administer and monitor Windows and Linux server environments and virtualization platforms while supporting incident and change management. | Minimum 6 years infrastructure experience with strong hands-on skills in Windows Server, Linux, and Active Directory, with preferred certifications. | • Administer Windows and/or Linux server environments, virtualisation platforms, storage and associated infrastructure services. • Monitor availability, capacity and performance; investigate alerts and restore service within agreed priority and escalation procedures. • Plan and execute approved patching, configuration changes, hardening and lifecycle maintenance. • Maintain server inventories, configuration records, operating procedures, diagrams and technical runbooks. • Support incident, problem and change management, including root-cause analysis and corrective actions. • Coordinate infrastructure dependencies with network, cloud, backup, cybersecurity, application and database teams. • Support discovery, baseline assessment and transition activities for on-premises and any subsequently approved hosted environment. • Participate in agreed on-call coverage for critical infrastructure incidents. • Minimum 6 years of relevant infrastructure and server administration experience. • Strong hands-on experience with Windows Server and/or enterprise Linux, Active Directory and virtualisation technologies. • Practical knowledge of monitoring, patch management, storage, capacity planning and security hardening. • VCP, MCSE/Microsoft role-based certification, RHCSA or Server+ preferred. • Ability to produce clear technical documentation and work within controlled change processes. • Experience operating hybrid on-premises and cloud environments.