We are
SIBLING. experts. recruiters.

Back to all jobs

System Admin – Vienna

Contract Type

Permanent

Location

Wien, AT

Linux System Administrator – Vienna

We’re expanding our infrastructure team and need an experienced Linux System Administrator to help maintain our production environment and support new technical initiatives.

The Role

You’ll ensure our systems run reliably while implementing improvements across our infrastructure.

  • Administer RHEL servers across physical and virtualized environments
  • Support CEPH, XEN Orchestra, and Docker deployments
  • Configure routing, DNS, DHCP, and firewall policies
  • Manage VPN solutions including OPNsense, WireGuard, and OpenVPN
  • Maintain Samba/NFS file services and Zimbra Mail Server
  • Monitor infrastructure using CheckMK
  • Implement OS hardening and security controls
  • Build automation using Ansible and Python
  • Document processes and collaborate with the team

Technical Environment

Core Technologies:

RHEL (bare metal & VMs) • CEPH storage • XEN Orchestra • Docker • Samba/NFS • Zimbra • CheckMK • OPNsense • WireGuard • OpenVPN • Ansible

We value adaptability – you don’t need experience with every tool

What You’ll Bring

Required:

  • 5+ years managing Linux servers in production
  • Strong networking and virtualization knowledge
  • Experience with security hardening techniques
  • Excellent troubleshooting and teamwork skills

Nice to have:

  • Ansible and Python scripting experience or automation tools
  • Background in market data or financial information services

Why Join Us?

Growth Role: Build infrastructure for emerging business opportunities

Strong Team: Work alongside experienced professionals in a collaborative environment

Direct Impact: Keep critical services running for clients worldwide

Interested? Ready to take on this challenge? Apply now or contact me directly to learn more opportunity at adam@siblingrecruitment.com 


Share job post

Apply now

Featured jobs available.

Helsinki, Uusimaa

Senior Software Engineer – Helsinki

BE

Data Architect

Finland

Senior Test Automation Engineer

Software Engineer – Full stack

Finland

Senior/Expert IT Developer

Let’s chat.

Let's chat