Overview Mutual Respect, Empathy, Innovation, and Professional Pride. Do you see yourself within these values?Founded in 2006 with the mission "To Challenge Complexity", Closer Consulting is a Data Science company specializing in Business Intelligence, Advanced Analytics, and Artificial Intelligence.Developing projects in the most diverse industries – Banking, Telecommunications, Healthcare, Retail, Energy, Insurance, and Aviation, among others –, we have created an environment where the brightest enquiring minds feel at home, providing our people with the means, opportunities and support they need to thrive and innovate.We are seeking a skilledLinux Administratoreager to take on new challenges in ahybrid work model in Lisbon .Are you the one?ResponsibilitiesLead the administration and evolution of systems and network infrastructure;Define and implement security, backup, and disaster recovery policies;Automate infrastructure and operational processes;Ensure scalability, resilience, high availability, and performance;Monitor and optimize complex environments;Mentor junior administrators and contribute to technical architecture decisions.Qualifications8+ yearsof experience in systems and critical infrastructure administration;Strong expertise innetworking(IP networks, firewalls, VPNs/IPSEC, ZTNA, network segmentation, IPS);Experience managing complex IP environments (100+ prefixes);Solid experience withvirtualization(VMware vSphere, OLVM) andcontainers(Docker, Kubernetes, Rancher);Hands-on experience withcloud platforms, especiallyOracle Cloud InfrastructureandMicrosoft Azure ;Experience with automation tools ( Ansible ,Terraform ; CI/CD is a plus);Knowledge of reverse proxies and core services (nginx, DNS, NTP, mail services);Experience with monitoring tools ( Zabbix, Prometheus, Grafana, Loki);Knowledge of backup and DR solutions (e.g.Veeam );Experience with databases (PostgreSQL, OracleDB, MySQL, SQL Server, Redis);Experience with IAM/IDP and PAM solutions;Experience working inAgile/DevOpsenvironments;Good level ofEnglish .Benefits and How We WorkProviding a multidisciplinary Team.Giving a home office kit with everything you need to perform remotely.Ensuring a career plan alongside professional growth.Providing you with a custom training plan.Oh... and by the way, we also have:Several challenging complex projects.Stimulating teams and leaders.World-class Clients and Partners.If you believe in this match as much as we do, send us your CV to catarina.rolo@closer.pt and reach the closer side of life.Closer is a company that values diversity and inclusion. We are committed to fostering an environment where everyone is treated with dignity and respect, regardless of race, gender, beliefs, sexual orientation, physical or mental disability, or other personal characteristics.At Closer, we embrace the unique perspectives and experiences that everyone brings, and we believe that it is a fundamental driver for the success we've achieved.#J-18808-Ljbffr