PAt bLognext /bwe have been accompanying companies and teams for more than 18 years to identify and implement the technology necessary to advance, making their challenges and objectives our own and getting closer to their reality. Therefore, being a bNEXTER /bmeans that your career and talent become meaningful to you and those around you, allowing you to build what matters most to you and reach your next level. /ppbr/ppWe are looking for a talented bUnix Administrator /b to join our team for a multinational leader in the banking sector located in Madrid. /ppbr/ppThis role is responsible for the badministration of Unix‑based servers, /b primarily RHEL, Ubuntu and Debian. Our environment spans a blarge, hybrid infrastructure of physical and virtual servers /b that supports mission‑critical applications and continuous production workloads. /ppbr/pp bKey responsibilities: /b /pullibEnsure production stability /b – monitor, tune and troubleshoot the server park so that all services meet their bSLA deadlines /b and remain available for end‑user operations. /lilibDrive process‑automation /b – design, script and implement automated workflows (e.g., provisioning, configuration management, patching, and compliance checks) that reduce manual effort, accelerate delivery, and improve repeatability across the whole fleet. /lilibMaintain high‑availability architectures /b – deploy, configure and support HA solutions (clustering, load‑balancing, fail‑over) to guarantee uninterrupted production services. /lilibSecurity compliance /b – perform hardening, vulnerability remediation, and patch management in a timely, bdeadline‑oriented /b manner, ensuring that security controls never become a bottleneck for production. /lilibAdaptability continuous learning /b – stay current with emerging tools (Ansible, Python, CI/CD, etc.) and be ready to pivot when production requirements evolve or new technologies are introduced /li /ulpbr/ppbWhat we look for /b /pulliProven expertise with Unix/Linux (RHEL, Ubuntu Debian).. /liliStrong background in bhigh‑availability /b technologies and bprocess‑automation /b frameworks. /liliExcellent communication and planning skills – you can translate technical details into clear actions for both technical and non‑technical audiences. /liliA proactive mindset eager to learn, improve, and automate every repetitive task that touches the production line. /li /ulpbr/pp bSkills: /b /ppbEssential: /b /pullibAdvanced administration troubleshooting /b on RHEL, Ubuntu Debian in large‑scale environments ( 10 000 servers). /lilibAutomation scripting /b – proven expertise with bAnsible /b to build repeatable playbooks for provisioning, configuration, compliance and patching. /lilibServer‑side networking /b – VLANs, bonding, TCP/IP tuning, firewall rules, etc. /lilibHigh‑availability clustering /b – hands‑on experience with bVeritas Infoscale Foundation /b and bOpenSVC /b. /lilibAdditional automation platforms /b like bPuppet /b (or similar). /li /ulpbr/ppbDesirable: /b /pullibIdentity access knowledge /b – Active Directory, Centrify. /lilibEnterprise patch‑management tools /b – Satellite, Landscape. /lilibCI/CD ecosystem familiarity /b – Jira, Bitbucket, GitLab, Jenkins, etc. /li /ulpbr/pp b Job Conditions Benefits: /b /pp Permanent contract. /pp Work Mode: Hybrid, 4 days onsite/ per month (Madrid) /pp Competitive salary. /pp Professional Development: Access to an annual budget dedicated to advancing your skills through professional certifications. /ppbr/ppJoin our expert team, where creativity, commitment and the ability to bring new perspectives are essential to make a difference in a world full of opportunities. /ppbr/p