Senior Unix/Linux Administrator - Automation & HA Expert

Lognext

España

Hybrid

EUR 60,000 - 90,000

Full time

46 hours ago

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Benefits offered by this job

Hybrid work

Annual professional development budget

Equality & diversity initiatives

Job summary

Lognext is seeking a talented Unix Administrator in Madrid to join a multinational banking sector leader. The role focuses on administration of Unix-based servers (RHEL, Ubuntu, Debian) within a large hybrid infrastructure of physical and virtual servers supporting mission-critical apps.

You will implement automation, drive patching and configuration management, ensure high availability, and collaborate across teams to meet SLA deadlines while continuously improving processes and security

Qualifications

Proven expertise with Unix/Linux (RHEL, Ubuntu, Debian).
High-availability technologies and automation frameworks experience.
Ability to translate technical details for diverse audiences.
Proactive mindset to learn, improve, and automate repetitive production tasks.
Advanced admin and troubleshooting on large-scale environments (>10,000 servers).
Automation and scripting with Ansible to build repeatable playbooks.

Responsibilities

Monitor, tune and troubleshoot the server fleet to meet SLA deadlines.
Design, script and implement automated workflows for provisioning, configuration, patching and compliance.
Deploy, configure and support HA solutions to guarantee uninterrupted production services.
Perform hardening, patch management and timely vulnerability remediation.
Stay current with emerging tools and CI/CD ecosystems (Jira, Bitbucket, GitLab, Jenkins).