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Founded in 1999 in Vienna, the Qualysoft Group is a manufacturer-independent IT consulting and services company, which successfully provides support for its international customers with the aim of boosting their competitiveness and economic efficiency through innovative IT solutions.
Its focus is on financial services providers, telecommunications companies, the automotive industry and energy service providers. Over 400 employees in 6 subsidiaries work together to ensure state of the art solutions for our clients.
We are looking for new colleagues in Qualysoft teams for diverse projects providing continuous learning opportunities. Our common goal is to provide honesty, development and a stable background while getting to know the latest technologies. We are waiting for your application for the position below!
About the Role
We are looking for a Windows Server and VM Support Analyst to manage the full lifecycle of Windows-based infrastructure. This role focuses on provisioning, patching, monitoring, and maintaining Windows servers and virtualization platforms, ensuring high availability, security compliance, and optimal performance across environments.
Responsibilities:
- 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.
Requirements:
- 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.
Why we think you will love working here:
With us you count as a person, our doors are always open.
We live the Qualysoft Team Spirit and stand for transparency!
Fresh wind and new ideas are welcome, because standstill is a foreign word at Qualysoft.
We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
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