As the primary point of contact at the client, you take responsibility for the core IT infrastructure.
System Administration (Hybrid): You are the expert for Windows and Linux server environments (operation, hardening, maintenance) and administer Windows clients as well as Linux systems for applications.
Network & Security: You design and operate networks (Dell OS10 switches: VLAN, routing, LACP) and manage SonicWall firewalls (VPN, ruleset optimization, firmware).
Automation: You enjoy automating manual processes with PowerShell, Bash and/or Ansible to increase efficiency.
Cloud & Projects: You actively support exciting Microsoft technology projects (M365, Entra ID / Azure AD, Defender/Sentinel, Azure networking services).

Requirements

Solid experience in Windows AND Linux administration (operation, hardening, package management).
Strong know-how in network management (ideally with Dell switches) and experience working with firewalls (e.g., SonicWall).
Experience automating tasks with common scripting tools (PowerShell, Bash or Ansible).
Good knowledge of Microsoft technologies (M365, Entra ID, Azure).
A proactive, solution-oriented working style and the ability to drive initiatives independently.
Nice-to-haves (bonus): Experience building CI/CD pipelines (e.g., Azure DevOps, GitLab CI).
Programming skills in Python or C# for tool development.
Basic experience operating Elasticsearch clusters.

Benefits

Remote-first culture: Work flexibly from where you are most productive, with regular meet-ups in the Hamburg area.
Best of both worlds: Enjoy the stability and exciting projects of a large client combined with the agile culture and flat hierarchies of a small, experienced IT service provider.
Top equipment: You will receive a complete, high-quality home office setup.
Learning culture: Benefit from diverse learning and training opportunities to stay current with technology.
Security & benefits: 30 vacation days per year and a company pension scheme (bAV) are provided.

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

Windows administrationLinux administrationNetwork managementFirewall managementPowerShellBashAnsibleM365Azure ADPython

Soft Skills

proactivesolution-orientedindependent initiative