Network Administrator

GRÜN Software Group

full-time

Posted on: 3/14/2026

Location Type: Hybrid

Location: Kreuzau • Germany

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About the role

You plan, operate, and optimize our site networks and ensure stable, secure, and high-performance connectivity between us and our customers' locations
You work closely with IT, infrastructure, and security teams to take a holistic approach to network design and further development
You take responsibility for monitoring, troubleshooting, and documentation and ensure reliable day-to-day operations

You are a network administrator with a passion for stable connections and clean network concepts
You have several years of experience operating site networks (LAN/WLAN, ideally Ubiquiti) as well as in site-to-site networking (e.g., OpenVPN, WireGuard, SD-WAN)
You have a good understanding of routing, switching, firewalling (Checkpoint and/or OPNsense), and network security, and you apply best practices with confidence
You have German language skills at least at the B2 level

Benefits

Work–life balance is not a buzzword for us but a lived culture — with flexibility, trust, and respect
Long-term perspective: exciting responsibilities and a permanent employment contract in a stable, growth-oriented company
Family-friendliness & flexibility: regular, family-friendly working hours with core hours from 9–12 and the option to work remotely
Appreciative work environment: fresh fruit, free coffee and water, 28 days of vacation plus days off at Christmas and New Year's Eve, as well as additional special leave days
Team culture & cohesion: regular team events, summer parties, Christmas celebrations or pizza days — we celebrate successes together

Applicant Tracking System Keywords

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

Hard Skills & Tools

network administrationsite networksLANWLANsite-to-site networkingOpenVPNWireGuardSD-WANroutingswitching

Soft Skills

monitoringtroubleshootingdocumentationcommunication