Administrador Linux Sênior | Hybrid Lisboa | Inovação

Closer Consulting; Lisboa; Hybrid; EUR 40,000 - 65,000; Full time

Benefits offered by this job

Home office kit

Career plan

Custom training plan

Job summary

Closer Consulting, a Lisbon-based Data Science company, is seeking a skilled Linux/Unix Systems Administrator for a hybrid role (2 days on-site) in Lisbon. The role focuses on managing Linux Enterprise infrastructures, high-availability setups, and containerization platforms to support critical production environments.

You will collaborate with Cloud, Security, and Application teams to ensure system reliability, security, and continuous improvement across enterprise projects with world-class

Qualifications

• At least 3 years of Linux/Unix systems administration in enterprise environments.
• Experience with RHEL, Oracle Linux, SLES, and Debian.
• Experience with Pacemaker clustering.
• Experience with virtualization and container platforms.
• Knowledge of Foreman for systems management.
• Knowledge of Kubernetes and Docker (highly valued).
• Solid understanding of TCP/IP networking in Linux environments.
• Experience with automation tools and IaC, particularly Ansible (highly valued).
• Shell scripting (Bash) for automation.
• Proven ability to diagnose and resolve production incidents.
• Involvement in evolution projects, capacity planning, and continuous improvement.
• Strong troubleshooting, security, and service continuity focus.
• Collaborative mindset with Cloud, Security, and Application teams.

Skills

Linux/Unix admin

RHEL/OEL/SLES/Debian

Pacemaker clustering

Virtualisation

Docker/Kubernetes

Foreman

Ansible IaC

Shell scripting

Networking TCP/IP

Incident resolution

Security & continuity

Team collaboration

Tools

Foreman

Kubernetes

Docker

Job description

Closer Consulting, a Lisbon-based Data Science company, is seeking a skilled Linux/Unix Systems Administrator for a hybrid role (2 days on-site) in Lisbon. The role focuses on managing Linux Enterprise infrastructures, high-availability setups, and containerization platforms to support critical production environments.

You will collaborate with Cloud, Security, and Application teams to ensure system reliability, security, and continuous improvement across enterprise projects with world-class