* Job Title : Sytem Administrator
* Duration: 3-5 months
* Site address: Wein Austria
* Language: Must be fluent German and English
* DOJ: Immediate
* Type of Contract: Freelance/Independent contract
Job Description - System Administrator (Windows Server &
Hybrid/Cloud)
The supplier will provide one dedicated resource for end-to-end administration of Windows Server environments,
both on-premises and hybrid/cloud (Azure/AWS).
Responsibilities include:
* Windows Server Administration: Install, configure, and maintain Windows Server (2016/2019/2022); manage
Active Directory, DNS, DHCP, Group Policy, PKI; patch management and OS lifecycle compliance.
* Hybrid & Cloud Integration: Manage workloads in Azure/AWS; implement Azure AD Connect, conditional access,
identity federation; support virtualization (VMware/Hyper-V) and container orchestration (Kubernetes).
* Networking: Troubleshoot TCP/IP, VLANs, routing, firewall rules; work with SD-WAN and VPN configurations.
* Security & Compliance: Apply hardening standards, vulnerability remediation, encryption policies; integrate with
PAM solutions for privileged access.
* Automation & Scripting: Develop PowerShell scripts for automation and reporting; support Infrastructure as Code
(Terraform/Ansible).
* Monitoring & Performance: Use tools like SolarWinds, Grafana, Azure Monitor for observability; conduct capacity
planning and performance tuning.
* Disaster Recovery & Backup: Implement replication strategies, offsite vaulting; validate DR plans and execute
failover tests.
Required Skills:
* Strong knowledge of Windows Server OS, Active Directory, Group Policy
* Experience with Azure/AWS services (VMs, storage, networking)
* Familiarity with VMware/Hyper-V, SD-WAN, basic network troubleshooting
- Proficiency in PowerShell scripting and automation frameworks
* Understanding of ITIL processes (Incident, Problem, Change Management)
Preferred Certifications
:
* Microsoft Certified: Windows Server Hybrid Administrator Associate (AZ-800)
* AWS SysOps Administrator – Associate or Azure Administrator
* ITIL Foundation
Soft Skills:
* Strong analytical and troubleshooting skills
* Ability to work in cross-functional teams and handle escalations
* Excellent documentation and communication skills