Unix System Administrator

About the role

We are looking for a skilled Unix System Administrator to join our IT team in Lisbon. The role focuses on ensuring the availability, performance and security of our Unix infrastructure both on‑premises and in the cloud.

Key responsibilities

• Maintain and administer Unix‑based systems, including installation, configuration and upgrades.
• Monitor system performance, troubleshoot issues and optimise resources.
• Implement and manage security policies, permissions and compliance measures.
• Perform regular backups, test disaster‑recovery plans and ensure data integrity.
• Plan and execute system migrations and upgrades.
• Document procedures and provide technical support to internal teams.

Required profile

• 3–5 years of hands‑on Unix administration in an operational environment.
• Fluent in English, both spoken and technical.
• Rigorous, service‑oriented, autonomous and a strong team player.
• Excellent troubleshooting and communication skills.

Required skills

• Unix administration (installation, configuration, upgrades).
• System performance monitoring and tuning.
• Backup management and disaster‑recovery testing.
• Security policy implementation and permissions management.
• System migration and upgrade planning.
• Experience with cloud‑based Unix infrastructure.