Verisureis a leading global provider of professionally monitored security solutions. We are an international company with a start-up mindset, fast, agile, and lean, high performance and value driven. We are currently seeking aLinux/OS Senior Systems Engineerto join our experienced technical team. This role is essential to ensuring availability, security and efficiency of our services through the administration, optimization, and automation of Linux systems. This role is key to help maintain the high reliability and performance of our applications: Ensure compliance with the defined quality criteria. Ensure the use of the different automatic deployment tools in the field, and keep knowledge of process, documentation, and quality. Monitoring of SLA compliance based on KPIs defined Responsabilities As aLinux/OS Senior Systems Engineer, you will play a critical role in maintaining the reliability, performance, and scalability of our infrastructure. Your responsibilities will include: Administering and supporting Linux servers, with focus on Red Hat Enterprise Linux (RHEL). Managing and monitoring enterprise storage solutions (Pure Storage, NetApp, Dell). Participating in the implementation and administration of virtualization and container environments (VMware, Nutanix). Developing and executing automation scripts using Ansible, Python and Shell Scripts for operational and deployment tasks. Supporting and managing cloud services within the AWS ecosystem. Applying security best practices and implementing robust security measures across Linux systems. Systematically capturing and maintaining clear, comprehensive documentation of processes, procedures, and best practices to ensure consistency, knowledge sharing, and continuous improvement. Contributing to continuous improvement initiatives focused on resource optimization, and infrastructure scalability. Responding to incidents and ensuring timely resolution. Participating in project deployments and ensuring smooth execution. Monitoring system performance and service availability. Providing technical support to development teams. Participating in 24x7 support shifts as part of the team's operational coverage. Requirements Bachelor's degree in computer engineering or telecommunications or proven work experience Fluency in English and Spanish Minimum 5 years of experience in Linux administration (RHEL), including: Perform core Server Basis administration functions including software installations, configurations, support package update and upgrade, performance monitoring, tuning and capacity management. Experience in migration of versions with minimum impact. Minimum of 5 years of experience in virtualization and scripting. Experience with cloud environments (preferably AWS) Knowledge programming in Python Knowledge of terraform Managing control version tools like Github Desirable requirements Experience with Agile Methodologies Proficiency in Ansible Knowledge of storage systems Familiarity with Jira and Confluence Key competencies We are looking for candidates who demonstrate: Strong analytical skills and the ability to diagnose and resolve technical issues effectively A collaborative mindset and ability to work well within cross-functional teams A critical eye for service quality, with a drive to identify and implement improvements. High levels of autonomy and proactivity in day-to-day tasks. Curiosity and enthusiasm for emerging technologies and continuous learning Genuine interest in technical subjects and infrastructure innovation. Excellent problem-solving capabilities with a strong focus on teamwork and a results-oriented mindset, consistently driving toward effective achievement of objectives Clear and effective communication skills, with a strong sense of collaboration. Location The role location inMadrid Verisure will offer you Hybrid model Work from home and at our great Madrid offices in Pozuelo de Alarcón (El Barrial- Centro Comercial) Lunch included at our canteen You won't need to pay for your daily meal when you are at the office :) Dynamic and vibrant environment Our office is an open-plan space in which you will be able to interact with the best professional from different teams at all levels. International stakeholder projects Periodic team buildings Because it's important to have fun Learning and training programs Career development opportunities At Verisure, we are committed to fostering a diverse and inclusive workplace, recognising that diversity of thought and background only makes our teams stronger and more innovative. We reject all forms of discrimination and bias, and we believe in access to opportunities for everyone, regardless of gender, age, disability status, race, sexual orientation, or any other status.