This job is no longer available
This job expired on 15/09/2026. It no longer accepts applications.
System Administrator
Haystack
Job description
About the role
We are looking for a System Administrator to be the primary onsite point of contact for IT, supporting internal stakeholders and managing the Microsoft 365 environment and server infrastructure.
Key responsibilities
- Provide 2nd‑level support, manage escalations end‑to‑end and act as the main onsite IT contact.
- Administer and continuously improve Microsoft 365 services (Intune, Entra ID, Exchange Online, SharePoint, OneDrive).
- Maintain server and virtualization platforms (Windows Server, Linux, VMware/Hyper‑V) and core networking (LAN/WAN, VPN, DNS, DHCP).
- Lead IT projects from scoping to rollout, including security, automation and tooling initiatives.
- Coordinate external service providers and keep system documentation up to date.
- Identify and implement automation and AI‑supported solutions to increase efficiency.
- Gradually take on onsite leadership tasks such as mentoring, coordination and onboarding support.
Required profile
- Completed IT training or comparable qualification with a solid technical foundation.
- 5+ years of experience in IT system administration or a senior IT role.
- Proactive, structured work style and ability to work autonomously.
- Resilient and clear communication with both technical and non‑technical stakeholders.
- Fluent in English and able to communicate in German.
- Willingness to work on‑site in Berlin at least two days per week.
Required skills
- Microsoft 365 (Intune, Entra ID, Exchange Online, SharePoint, OneDrive)
- Server administration (Windows Server, Linux)
- Virtualisation (VMware, Hyper‑V)
- Networking fundamentals (LAN/WAN, VPN, DNS, DHCP)
- IT security fundamentals (endpoint protection, identity and access management, patch management)
- Automation and AI‑supported solutions
What we offer
- Flexible working hours with home‑office and remote work options.
- Open company culture with fair communication and feedback.
Questions fréquentes
Why are you reporting this job?
Explore further
Salaries, guides and searches in Germany.
Salaries by job title
- Financial Controller (m/w/d) 11
- Key Account Manager (m/w/d) 10
- Controller (m/w/d) 8
- Junior Mobile Developer (Android/iOS) – Frankfurt 7
- Baustellenleiter (w/m/d) für Hochspannungsschaltanlagen 7
- Business Development Manager 7
- Front Office Agent (m/w/d) 7
- Sales Manager – Photovoltaik, Wärmepumpe & intelligente Energiesysteme 7
A question about this job?
Ask it here: you will get the full job summary by e-mail, right away.
Boost your chances
Upload your CV — we will match you with relevant openings.
Analyzing your CV...
Haystack