Linux System Administrator | On-Call & Preventive Support

Description

Summary: Seeking an experienced Linux System Administrator to ensure system availability, stability, and performance of critical infrastructure environments. Highlights: 1. Opportunity to join a team responsible for critical infrastructure. 2. Role involves continuous improvement and preventive maintenance. 3. Contribute to cloud, automation, and infrastructure optimization. **Description du poste** 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. **Profil** * **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. **À propos d'Inetum** Inetum is a **European leader in digital services**, supporting organizations as they navigate continuous technological change. The company helps clients accelerate their digital transformation through a broad portfolio that includes **consulting, application services, digital engineering, cloud, cybersecurity, platforms, and infrastructure services** **Informations supplémentaires** **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. **Country** Portugal **Location** Lisbon **Contract Type** Open\-ended contract