Linux/Unix Systems Administrator – Hybrid (Lisbon)

About the role

Adentis is looking for an experienced Linux/Unix Systems Administrator to join its Lisbon team. You will be responsible for ensuring the stability, performance, and availability of our Linux and Unix environments while supporting virtualization and OpenShift platforms.

Key responsibilities

• Administer and maintain Linux and Unix servers.
• Monitor system health, diagnose issues, and resolve complex incidents.
• Support virtualization platforms and OpenShift clusters.
• Collaborate with Engineering and Operations teams to improve infrastructure.
• Provide occasional out‑of‑hours support for critical incidents.

Required profile

• 7+ years of professional experience in Linux/Unix systems administration.
• Strong knowledge of Linux and solid Unix experience.
• Ability to work independently and troubleshoot complex technical problems.
• English proficiency at B2 level or higher.

Required skills

• Linux
• Unix
• OpenShift
• Virtualization
• Infrastructure administration
• Advanced troubleshooting

What we offer

• Great work‑life balance with flexible hybrid schedule.
• Health benefits for you and your family.
• Team‑building activities and over 300 discount protocols.
• Continuous professional development sponsored by the Training and Certification Department.
• Regular performance feedback and a clear career progression plan.