Senior Linux Systems Administrator

Description

Job Summary: We are seeking a Senior Linux Systems Administrator to manage and support critical enterprise messaging platforms, with autonomy and strong analytical capabilities. Key Highlights: 1. Being part of a growing, committed, and innovative team. 2. Guidance on the path to success within an outstanding work environment. 3. Promotion of diversity, equity, and inclusion with equal opportunities. We are **One Team.** We **make it happen.** We are **Unstoppable.** BABEL is a multinational technology consultancy specializing in applying its services and technological expertise to accelerate the digital transformation of its clients — large enterprises and public institutions. **What is our strategic plan?** We look toward the future! Our **Hiperespacio 2029 strategic plan** promises an exciting journey, **full of opportunities** for professional growth and development. Achieving **€1 billion** in revenue is a challenge we are confident we will meet through the **collaboration** and **talent** of our people — another success story we will write together. **What are we looking for?** We seek a **Senior Linux Systems Administrator** to join a specialized team responsible for managing and supporting critical enterprise messaging platforms. The selected candidate will be responsible for administering, securing, monitoring, and evolving Linux infrastructures, as well as supporting Java applications, MySQL databases, and virtualized environments. This is a highly autonomous profile with strong analytical skills and experience resolving complex incidents in production environments. Key Responsibilities: * Administration and maintenance of **Linux** servers in production environments. * System hardening and bastion host configuration for Linux systems. * Installation, configuration, and updating of operating systems. * Creation and administration of virtual machines in **VMware** environments. * Configuration of **NAT, firewall, and network** rules. * Troubleshooting infrastructure, operating system, and application incidents. * Support for **Java applications deployed on WildFly**. * Administration and optimization of **MySQL / InnoDB Cluster** databases. * Configuration and maintenance of monitoring using **Zabbix**. * Development of **Bash** scripts to automate operational tasks. * Management of digital certificates, keystores, and truststores. * Writing SQL queries for analysis and reporting. * Basic administration of Windows servers when required. ### **Technical Requirements** * More than **3\-4 years of experience** administering Linux systems. * Solid knowledge of: + Linux (Red Hat, CentOS, Rocky, Ubuntu or similar). + VMware. + Bash Scripting. + MySQL / InnoDB Cluster. + SQL. + Zabbix. + Firewalls and networking. + Digital certificate management. * Experience supporting Java applications on **WildFly** or similar application servers. * Ability to diagnose performance issues across systems, databases, and applications. Particularly valued: * Experience in TELCO environments. * Knowledge of messaging platforms such as **SMS, RCS, or similar**. * Experience with high availability and critical services. * Knowledge of automation and infrastructure-as-code practices. Competencies: * Autonomy and problem-solving ability. * Service and customer orientation. * Analytical capability. * Teamwork and effective communication. * Proactivity and continuous improvement. Additional Requirements: * Availability to perform **on-call duties**. **What do we offer?** **Babel, the great way to achieve the success.** Do you want to join a growing, committed, and innovative team that makes history every day? At Babel, we accompany you on your path to success. We believe in people’s talent and aim to empower it by offering an outstanding work environment rooted in collaboration and solidarity. Working at Babel is much more than working for a company — it means joining a team united by a shared mission and a corporate model centered on values. And we do so by promoting diversity, equity, and inclusion, guaranteeing equal opportunities for all candidates in an environment free from any form of discrimination. Additionally, * We champion work\-life flexibility. (Points-based vacation system, remote work, and schedule flexibility). * We invest in the training of our *Babelievers*. * We invest in your physical and emotional health. (Private Medical Insurance / Life Insurance, personal trainer, and wellbeing program). * We invest in your leisure time too (outdoor activities, sports tournaments, streaming platform subscription (e.g., Netflix)). * You share in the company’s growth and achievements (Benefits Bonus). * We focus on working with cutting-edge technologies and innovative projects — but above all, we support digital transformation and bring technology closer to society. **Are you ready to take on the challenge? We’re waiting for you!** *In compliance with current data protection regulations, we inform you that the controller of your personal data is GRUPO BABEL (see companies listed in the privacy policy), and your data will be used to manage your current and future recruitment processes, as well as for other purposes described on our website. This processing is based on the candidate’s consent. The personal data collected will not be shared with third parties except where expressly required by law. You may exercise your data protection rights by contacting* *data.protection@babelgroup.com**. Full details regarding our privacy policy are available on our website.*