Linux System Administrator

About the role

We are looking for a Linux System Administrator to manage mission‑critical production environments for high‑performance trading applications. You will join a Portuguese technology consulting firm with a global presence, working on‑site, remotely or in a hybrid model.

Key responsibilities

• Administer Linux servers (RHEL, SLES) in production environments.
• Perform OS performance tuning for low‑latency, high‑throughput trading workloads.
• Manage virtualization and container platforms.
• Handle server hardware, data‑center build‑outs and operating‑system migrations.
• Develop automation scripts using Python and shell.

Required profile

• Hands‑on Linux system administration experience in mission‑critical settings.
• Proven expertise in performance tuning for high‑performance applications.
• Solid understanding of virtualization, containers and data‑center infrastructure.
• Strong scripting abilities in Python and shell.
• Familiarity with configuration‑management tools such as Ansible or Puppet (a plus).
• Working knowledge of Windows and NAS administration is a plus.

Required skills

• Linux (RHEL, SLES)
• Python
• Shell scripting
• Virtualization
• Containers
• Server hardware and data‑center build‑out
• OS migration
• Ansible
• Puppet
• Windows administration
• NAS administration

What we offer

• Participation in national and international projects.
• Tailored career and training plan.
• Welcoming, informal work environment.
• Access to affinity communities and social‑environmental initiatives.
• Benefits, discounts, events and internal dynamics.