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Linux / Unix Systems Administrator

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Onsite

Linux / Unix Systems Administrator

Adentis Portugal

Linux / Unix Systems Administrator

Skills

RLinux

1 month ago

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Important information


Contract type:

Permanent

Location:

Lisbon, Portugal

Work mode:

Onsite

Published on:

16 September 2026

What they need


With just over 10 years of experience in the Portuguese market, we share our DNA with more than 200 workers and position our offer according to 3 lines of service:

  • Strategy (Outsourcing, NeXel, Team as a Service, Tech Academies);
  • R&D (Bootcamps, POC, Tech Lab);
  • Nearshore.

In ADENTIS, we focus on PEOPLE. This is our emotional salary:

  • Great Work-Life balance;
  • Very flexible organizational routine;
  • Health benefits (for you and your family);
  • Team Building activities;
  • Over 300 protocols to offer you great discounts in different areas;
  • Continuous professional development sponsored by our Training and Certification Department;
  • Regular feedback on your performance through a personalized plan;
  • Comprehensive career plan and progression involving assertive performance reviews.

What you will do

  • Administer and maintain Linux / Unix systems ;
  • Ensure system availability, stability and performance;
  • Manage Unix-oriented infrastructure environments;
  • Support virtualization platforms;
  • Administer and support OpenShift environments;
  • Monitor, diagnose and troubleshoot infrastructure issues;
  • Investigate and resolve complex technical incidents;
  • Support Engineering and Operations teams;
  • Contribute to infrastructure maintenance and technical improvements;
  • Provide occasional support outside regular working hours for critical or complex incidents.

What we are looking for

  • 7+ years of professional experience in Linux / Unix Systems Administration;
  • Strong Linux expertise;
  • Solid Unix experience;
  • Linux Systems Administration;
  • Infrastructure Administration;
  • Systems Administration;
  • Virtualization;
  • OpenShift ;
  • Advanced troubleshooting;
  • Enterprise environment experience;
  • Ability to independently diagnose and resolve complex technical issues;
  • Knowledge of systems architecture is a plus;
  • English B2+ or higher is mandatory .

Work model: Lisbon | Flexible Hybrid There is no rigid on-site policy.

If you want to be part of a real People First organization, apply now!

We walk with you!

At Adentis we defend equality and value diversity. We create a safe, diverse environment where opportunities are equal for all employees!

We do not discriminate based on age, ethnicity, sexual orientation, gender, disability or any factor other than merit.

All candidates with skills for the position are welcome!

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