Verisure is a leading integral provider of professionally monitored security solutions. We are an international company with a start-up mindset: fast, agile, lean, high-performing, and value-driven.We are currently looking for an experienced Linux/OS Senior Systems Engineer to join our technical team in Madrid. In this role, you will help ensure the availability, security, and efficiency of our services through the administration, optimization, and automation of Linux systems.

You will also play an important part in maintaining the high reliability and performance of our applications by:Ensuring compliance with defined quality criteria.Ensuring the effective use of automated deployment tools and maintaining up-to-date knowledge of related processes, documentation, and quality standards.Monitoring SLA compliance based on defined KPIs.ResponsibilitiesAs a Linux/OS Senior Systems Engineer, you will be a key part of the team responsible for maintaining and evolving our infrastructure. You will work across Linux, physical infrastructure, virtualization, automation, storage, and cloud technologies in an environment where technical expertise and new ideas are highly valued.Administering physical servers end-to-end, including rack-mounted and blade servers, firmware and BIOS updates, component-level troubleshooting (RAID controllers, NICs, power supplies, memory), and coordination with hardware vendors regarding warranty and support cases.Administering and supporting Linux servers, with a focus on Red Hat Enterprise Linux (RHEL), including software installation, configuration, patching, performance tuning, and capacity management.Managing and monitoring enterprise storage solutions, including Pure Storage, NetApp, and Dell.Implementing and administering virtualization environments (VMware), including hypervisor management, resource allocation, and VM migrations with minimal impact.Developing automation scripts using Ansible, Python,



and Shell to simplify and improve operational tasks, from OS provisioning to hardware inventory and health checks.Supporting and managing cloud services within the AWS ecosystem.Applying security best practices and implementing robust security measures across Linux systems.Participating in project deployments and helping ensure smooth execution.Monitoring system performance and service availability.Providing technical support and expertise to development teams.Participating in 24/7 support shifts as part of the team’s operational coverage.RequirementsWe are looking for someone with strong hands-on Linux and infrastructure experience who enjoys solving complex technical challenges and continuously improving the way things are done.Bachelor’s degree in Computer Engineering, Telecommunications, or equivalent proven professional experience.Fluency in English and Spanish.A minimum of 5 years of experience in Linux administration (RHEL), including:Core server administration: installations, configuration, patching, performance monitoring, tuning, and capacity management.Hands-on experience with physical server hardware, including installation, firmware/BIOS management, component diagnostics, and vendor coordination.Experience with cloud environments, preferably AWS.Programming knowledge in Python.Knowledge of Terraform.Experience using version control tools such as GitHub.Experience working with Agile methodologies.Proficiency in Ansible.Familiarity with Jira and Confluence.A critical eye for service quality,



with a drive to identify and implement improvements.What Verisure will offer youAt Verisure, you will join an international environment where you can work with experienced colleagues, contribute to meaningful technical projects, and continue developing your skills.Hybrid working model - Enjoy the flexibility of working from home while also collaborating with colleagues at our Madrid offices in Pozuelo de Alarcón (El Barrial - Centro Comercial).Lunch included at our canteen - Your daily meal is covered whenever you are working from the office.Dynamic and vibrant environment - Our open-plan office gives you plenty of opportunities to connect, collaborate, and exchange ideas with talented professionals across different teams and levels.International stakeholder projects - Work in a truly international environment and collaborate with colleagues and stakeholders across markets.Learning and training programs to support your continued development.it’s a continuous state of mind that inspires us to think differently and always make things better. We are an international company with offices and colleagues in multiple countries.comAbout VerisureVerisure is the leading provider of professionally monitored security services in Europe and Latin America.

As of 31 December 2025, Verisure provides premium monitored alarm services to a portfolio of ~6.2 million families and small businesses across 18 countries, with a team of more than 30,000 colleagues.For the year ended 31 December 2025, Verisure delivered a strong financial performance: This performance builds on the Company’s track record of resilient, uninterrupted growth over the long-term and highlights the strength of its recurring revenue model.Verisure is majority owned by Hellman & Friedman LLC, a leading private equity investment firm.IT, R&D;, InnovationEmployment type:

📌 Senior Engineering Systems Engineer (Pozuelo de Alarcón)
🏢 Verisure
📍 Pozuelo de Alarcón