IT Systems Administrator Windows (m/f/d)

IT Systems Administrator Windows (m/f/d)

Remote or in Traunstein, Germany – Full time

• Location: 100% Remote, Hybrid or at our office in Traunstein – your choice
• Hours: Full-time
• Working model: Flexible by arrangement
• Travel: Very rare, approx. 2× per year for team events

About oneclick

We provide secure, scalable cloud workplaces for SMEs and large enterprises across retail, industry, logistics, healthcare and the public sector via our oneclick™ Desktop‑as‑a‑Service platform. We operate in 7 countries across 4 continents and have been the only European vendor featured in the Gartner® Magic Quadrant™ for Desktop as a Service for three consecutive years.

Your role

We are looking for an experienced IT Systems Administrator (m/f/d) to join our growing team – someone who is passionate about setting up, maintaining and developing cloud infrastructures with a focus on Microsoft, based on our oneclick™ platform.

How you will support our team

• Support our customers in the provisioning, deployment and use of our oneclick™ Desktop‑as‑a‑Service platform
• Set up and maintain Microsoft Windows Servers in cloud‑only infrastructures (e.g. Microsoft Azure, T Cloud Public, Exoscale)
• Set up and administer Microsoft server roles, e.g. AD DS, RDSH, IIS, and Microsoft products, e.g. MS SQL Server
• Set up, maintain and optimise networks and VPNs, e.g. Cisco Meraki MX/vMX, pfSense/OPNSense and VPN gateways at cloud providers, e.g. Azure VPN Gateway
• Set up and maintain hybrid cloud solutions
• Monitor and analyse the performance of customer environments
• Create and maintain technical documentation and processes
• Ensure compliance with our SLAs
• Collaborate with internal teams, e.g. product management and software development

What you bring to the table

• Completed IT qualification (e.g. IT specialist in system integration, Informatiker*in EFZ) or equivalent
• Expert knowledge in the operational administration of Microsoft Server 2019/2022/2025 environments
• Solid understanding of cloud‑based Microsoft products, e.g. M365, Azure, Entra, Intune
• Extensive experience in network configuration and administration
• Experience working with cloud infrastructures from leading and regional IaaS providers (e.g. Microsoft Azure, T Cloud Public, Exoscale, Hetzner)
• Efficient and proactive use of AI tools in day‑to‑day work
• Good organisational skills and a structured, self‑directed way of working
• Strong communication skills with customers and within the team
• Fluent German (C1) and strong English (at least B2)
• European citizenship or an unrestricted work permit for Germany

What would impress us further

• More than 4 years of experience as a Microsoft Administrator with a focus on server environments
• Degree in an IT‑related field (e.g. computer science, business informatics) or equivalent qualification
• Experience with Desktop‑as‑a‑Service (DaaS), Virtual Desktop or cloud workplaces
• Knowledge of common hypervisor technologies
• Knowledge of or certification in an IT service management framework, e.g. KCS

Why you should join us

Remote work & flexibility

Our product's flexibility applies to you: work from the office, hybrid or up to 100% remotely from home, and organise your working hours flexibly. Choose your preferred equipment from a wide range of available models and use the OS that suits you (Microsoft, Apple, Linux).

At oneclick, you will work with great colleagues in a supportive environment with maximum flexibility, where you can contribute and develop your talents and personality.

Shape Your Job

Your career can develop in any direction. Want to take on project responsibility early? Discovering new talents and skills in yourself? Great – let’s find the right tasks for you! Through our oneclick Learning offering, you also have access to modern skills diagnostics and a wide range of learning programmes via our partner academies.