We believe that diverse teams develop the best solutions. Regardless of your origin, gender, age, sexual identity, disability or world view - if you have the necessary expertise, we would like to get to know you. To strengthen our team, we are looking for a committed personality as IT System Administrator (2nd Level) with a focus on Windows & Network (Operation + Migration) (m/f/d)
Here's what our clients offer
1. Hybrid: after induction up to 3 home office days/week (onboarding exclusively on site in Remscheid)
2. Further training: paid certifications/ further training (professional and personal) - everyone is supported according to their talents and interests
3. Work culture: flat hierarchy, ideas expressly welcome
4. Team: 4× team events/year incl. offsite weekend, monthly team dinner (voluntary of course - but so far everyone has always been there)
5. Mobility: Pool vehicles for field service assignments, no private use; travel expenses/km allowance or train ticket if train/train travel is preferred
6. Pension provision: company pension scheme
7. Goodies: Fruit & drinks, other: table football, green area with pond, possibility to work outside, usually we all have breakfast together (bake bread rolls together, prepare everything together - buffet style)
Your tasks
8. Operation Windows Server 2012 R2-2025: patching/WSUS, GPO, DNS/DHCP, AD hygiene, certificates, file services, event/service checks.
9. Backups/restore: Veeam/Acronis (or similar), success control, test restores.
10. Network/firewall: VLANs, routing, VPN (IPsec/SSL), NAT/rules, logging/monitoring, segmentation.
11. M365/Exchange Online: Mailflow, migration paths, Entra ID (Azure AD), MFA/conditional access, baseline security.
12. Migrations/projects: In-place/migration/rebuild (2012R2 → 2016/2019/2022/2025)
13. 2nd level support: Ticket escalations from 1st level, root cause analysis, clean documentation & handover.
14. Automation/documentation: PowerShell scripts, runbooks, standard changes, maintain knowledge base.
Your profile
15. At least 3 years of professional experience. Completed professional training is not mandatory
16. Windows Server 2012 R2-2022/2025, AD/GPO, DNS/DHCP.
17. PowerShell
18. Backup (Veeam/Acronis) incl. restore tests.
19. Patch management (WSUS/Intune or similar).
20. Firewall/VPN/VLAN/Routing (WatchGuard/Sophos would be ideal).
21. Exchange Online/M365, Entra ID, MFA/CA, basic Defender.
22. Solid troubleshooting & clean, German-language documentation.
23. Hyper-V/VMware, Linux basics.
24. Languages: German and English
25. Driving license class B
Nice to Have:
26. Mail hygiene (SPF/DKIM/DMARC).