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.
Responsibilities
* 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
Qualifications
Required Qualifications
* 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 Qualifications
* 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.
Seniority level: Mid‑Senior level
Employment type: Full‑time
Job function: Information Technology
Industries: Information Services and Market Research
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