Summary: Seeking a senior Linux specialist to ensure stability, scalability, and continuous improvement of systems, combining hands-on administration with infrastructure evolution initiatives. Highlights: 1. Ensuring performance, availability, and security of Linux-based platforms 2. Managing containerized services and distributed environments 3. Collaborating in infrastructure modernization and architecture discussions We are strengthening our infrastructure team with a senior Linux specialist who will play a key role in ensuring the stability, scalability, and continuous improvement of our systems landscape. This position combines hands\-on system administration with infrastructure evolution initiatives, supporting business\-critical services in a dynamic and technically demanding environment. **What You’ll Be Doing** * Ensuring the performance, availability, and security of Linux\-based platforms * Managing containerized services and distributed environments * Overseeing database reliability and optimization processes * Enhancing observability and monitoring across infrastructure layers * Supporting network\-related configurations and troubleshooting activities * Collaborating in infrastructure modernization and architecture discussions * Promoting documentation standards and operational best practices **What We’re Looking For** * Proven experience in Linux environments within production settings * Strong understanding of container technologies and service orchestration * Solid background in relational database administration and performance tuning * Familiarity with monitoring and log management ecosystems * Scripting capabilities to automate operational tasks * Comfortable working in English in an international context **Additional Assets** * Exposure to cloud\-based or virtualized infrastructures * Understanding of network segmentation and security layers * Experience within collaborative or Agile delivery models * Technical certifications relevant to Linux or container ecosystems **Location: Oeiras, Portugal** **What we offer to our Mates:** * Career development with mentoring from tech leads and managers * Personalized growth plans and regular feedback * Training, certifications, and a dedicated learning budget * Provision of technological equipment * Health insurance * Clear career path with progression opportunities * Access to innovative projects (startups, scale\-ups, internal products) * Relaxed, collaborative work environment with a strong team spirit * A culture of recognition Ready to take the next step in your career? Send your CV to \, referencing ‘System Administrator\_\[Your Name]’. Poderá encontrar o anúncio original publicado em: https://www.itjobs.pt/oferta/510355/system\-administrator