Linux System Administrator - On-Call & Preventive Support

Inetum2; Lisboa; Presencial; EUR 40 000 - 60 000; Tempo integral

Resumo da oferta

Inetum2 is seeking an experienced Linux System Administrator to join a team responsible for operating, maintaining, and improving critical infrastructure environments in Lisbon, Portugal. The role emphasizes system availability, stability, and performance, with participation in preventive maintenance and on-call support rotations.

The candidate will administer Linux-based production environments, monitor performance, investigate incidents, automate tasks, and collaborate across teams to deliver

Qualificações

• 5+ years of experience in System Administration or Infrastructure Operations.
• Strong hands-on experience with Linux system administration.
• Experience with SQL databases.
• Knowledge of ITIL processes and service management best practices.
• Scripting for automation (Shell/Bash and Python).
• English proficiency at C1 level written and spoken.
• Availability to participate in on-call and preventive support rotations.
• Strong communication and interpersonal skills.

Responsabilidades

• Administer, maintain, and support Linux-based production environments.
• Monitor system performance, availability, and capacity; proactively identifying issues.
• Investigate and resolve incidents, service requests, and infrastructure-related problems.
• Participate in preventive maintenance activities to ensure service reliability and operational excellence.
• Take part in an on-call rotation and provide support outside business hours when required.
• Manage and support database environments, preferably SQL-based.
• Develop and maintain scripts to automate operational and administrative tasks.
• Collaborate with infrastructure, application, and support teams to deliver stable and scalable solutions.
• Follow IT Service Management processes and best practices aligned with ITIL.
• Contribute to cloud, automation, and infrastructure optimization initiatives.

Conhecimentos

Linux administration

SQL databases

Shell scripting

Python

ITIL processes

On-call experience

English (C1)

Ferramentas

Dynatrace

Ansible

Cloud platforms

Descrição da oferta de emprego

We are looking for an experienced Linux System Administrator to join a team responsible for the operation, maintenance, and continuous improvement of critical infrastructure environments. The successful candidate will play a key role in ensuring system availability, stability, and performance while participating in preventive maintenance activities and an on-call support rotation .

Key Responsibilities

• Administer, maintain, and support Linux-based production environments.
• Monitor system performance, availability, and capacity, proactively identifying potential issues.
• Investigate and resolve incidents, service requests, and infrastructure-related problems.
• Participate in preventive maintenance activities to ensure service reliability and operational excellence.
• Take part in an on-call rotation and provide support outside business hours when required.
• Manage and support database environments, preferably SQL-based.
• Develop and maintain scripts to automate operational and administrative tasks.
• Collaborate with infrastructure, application, and support teams to deliver stable and scalable solutions.
• Follow IT Service Management processes and best practices aligned with ITIL.
• Contribute to cloud, automation, and infrastructure optimization initiatives.

Requirements

• 5+ years of experience in System Administration or Infrastructure Operations.
• Strong hands-on experience with Linux system administration .
• Solid knowledge of infrastructure operations and system support.
• Experience working with SQL databases .
• Understanding of ITIL processes and service management best practices .
• Knowledge of scripting for automation and task optimization , technologies such as Shell/Bash and Python .
• English proficiency at C1 level written and spoken.
• Availability to participate in on-call and preventive support rotations .
• Strong communication and interpersonal skills.

Nice to Have

• Experience with Dynatrace .
• Knowledge of DevOps practices and methodologies .
• Experience with Ansible .
• Experience working with Cloud platforms (AWS, Azure, or Google Cloud).
• Familiarity with Infrastructure as Code (IaC) concepts and automation frameworks.

Soft Skills

• Strong problem-solving and analytical skills.
• Proactive attitude and ownership mindset.
• Ability to work independently and as part of a team.
• Excellent organizational and prioritization skills.
• Customer-oriented approach.
• Strong communication and stakeholder management abilities.
• Adaptability and willingness to learn new technologies.

Location / Work Model

Lisbon, Portugal - Hybrid work model

This position includes participation in an on-call support rotation and preventive maintenance activities.

The role offers the opportunity to work in a challenging and dynamic environment, supporting critical systems and contributing to automation and cloud transformation initiatives.