Infrastructure Engineer

About the role

TUMO’s IT division is seeking an Infrastructure Engineer to ensure the stability, reliability and security of its on‑premises infrastructure. The role supports servers, virtualization, networking, endpoint management, backup and monitoring for students, coaches and workshop leaders.

Key responsibilities

• Administer Linux and Windows servers, Proxmox virtualization, storage, switches and access points.
• Monitor performance, respond to alerts, conduct root‑cause analysis and optimise thresholds.
• Maintain security through patching, vulnerability remediation and hardening across all sites.
• Manage backup and recovery operations, test restorations and support disaster‑recovery planning.
• Administer user access in Google Workspace, Atlassian Cloud and MDM solutions, and enforce endpoint compliance.
• Act as escalation point for infrastructure issues and guide Service Desk teams.
• Collaborate on security projects, PKI/SSL, web domains, hosting and supplier assessments.
• Maintain documentation, asset records, runbooks and support audit compliance.
• Plan and implement infrastructure changes with risk assessment and rollback procedures.
• Lead assigned projects and quarterly OKR deliverables, improving reliability through automation.

Required profile

• Minimum 5 years administering Linux (Debian/RHEL) and Windows Server 2022+.
• Experience with Proxmox, containerisation workflows and endpoint MDM solutions (Jamf, Intune, FleetDM).
• Strong networking knowledge (switching, routing, VLANs, DHCP, DNS, Wi‑Fi, firewalls).
• Hands‑on experience with backup, recovery testing and monitoring tools.
• Familiarity with NIST 800‑53, CIS security frameworks and security hardening.
• Proficient scripting in Bash, PowerShell or Python for automation.
• Good English communication and documentation skills.

Required skills

• Linux (Debian, RHEL)
• Windows Server 2022
• Proxmox virtualization
• Containerisation (Docker/Kubernetes basics)
• MDM (Jamf, Microsoft Intune, FleetDM)
• Google Workspace, Atlassian Cloud
• Networking (Ubiquiti, MikroTik, Meraki, Cisco, Fortinet, Juniper)
• Backup & recovery solutions
• Monitoring & alerting tools
• Security frameworks (NIST 800‑53, CIS)
• Scripting (Bash, PowerShell, Python)
• Microsoft Azure basics
• Asset documentation tools (Snipe‑IT, NetBox)
• Ticketing systems (Jira, Jira Service Management)

What we offer

• Health insurance and discount on travel insurance
• Assistance with work permit and bank account opening
• Extra New Year paid holidays (3rd‑5th January)
• 5 days of personal leave, birthday leave