Build, configure, and maintain Windows servers, VM clusters, and virtual machines;
Join systems to domains and apply security baselines and Group Policies;
Monitor OS and VM health (services, logs, performance metrics) and resolve issues;
Execute monthly patching cycles and validate application functionality post-update;
Troubleshoot authentication issues, GPO application problems, and access control;
Maintain backup solutions and perform regular restore testing for DR readiness;
Track end-of-life systems and plan upgrades or migrations;
Manage TLS/certificates for services (IIS, RDP, LDAP);
Analyze and resolve performance bottlenecks (CPU, memory, disk, network);
Ensure antivirus/EDR agents are operational and compliant;
Maintain accurate documentation (runbooks, diagrams, CMDB data);
Support application teams with infrastructure dependencies and connectivity;
Optimize monitoring thresholds and reduce alert noise;
Participate in disaster recovery testing and documentation;
Enforce least privilege access and secure service account practices;
Deliver regular operational KPIs and reporting.

Strong experience in Windows Server administration (Active Directory, GPOs, services, registry);
Hands-on experience with virtualization platforms (VMware, Hyper-V, Nutanix or similar);
Knowledge of patch management tools and troubleshooting update failures;
Understanding of TLS/PKI and certificate lifecycle management;
Experience with performance monitoring tools (PerfMon, Event Viewer);
Basic PowerShell scripting skills;
Familiarity with endpoint security tools (EDR/AV);
Experience working with CMDB/ITSM systems;
Strong troubleshooting and analytical skills;
Good communication and documentation abilities.

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Fresh wind and new ideas are welcome, because standstill is a foreign word at Qualysoft.

Windows Server, VM Support Analyst

Key skills