Senior Linux Systems Administrator
Hybrid · Madrid, Madrid, Spain
Job Summary
Senior Linux Systems Administrator responsible for Linux server administration in production, system hardening, OS installation/configuration, VM creation in VMware, NAT/firewall/network configurations, troubleshooting, Java application support on WildFly, MySQL/InnoDB clustering, Zabbix monitoring, Bash scripting for automation, certificate management, SQL for analysis, and Windows server administration when needed. Requires 3-4+ years Linux experience; knowledge across Red Hat/CentOS/Rocky/Ubuntu, VMware, Bash, MySQL, SQL, Zabbix, firewalls, networking, certificate management; Java app support on WildFly; performance diagnostics; extra credit for TELCO experience and messaging platforms; willingness to perform on-call guard duties.
Required Qualifications
- Más de 3-4 años de experiencia administrando sistemas Linux
- Conocimientos sólidos de Linux (Red Hat, CentOS, Rocky, Ubuntu o similares)
- VMware
- Bash Scripting
- MySQL / InnoDB Cluster
- SQL
- Zabbix
- Firewalls y redes
- Gestión de certificados digitales
- Experiencia en soporte de aplicaciones Java sobre WildFly
- Capacidad para diagnosticar problemas de rendimiento en sistemas, bases de datos y aplicaciones
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