Senior Linux System Administrator

About the role

An urgent need has arisen for a Senior Linux System Administrator with at least 5 years of experience. The role covers the installation, configuration and management of Unix/Linux servers, performance and security monitoring, user management, patching, backups and disaster recovery, as well as container and configuration management.

Key responsibilities

• Install, configure and manage Unix/Linux servers (Red Hat, SUSE, Ubuntu, etc.)
• Implement server performance and security monitoring systems
• Manage users and permissions, and handle system updates and patches
• Monitor system performance, analyse logs and optimise them
• Configure backup solutions and run recovery and disaster recovery scenarios
• Apply security patches, identify vulnerabilities and implement preventive measures
• Manage containers with Docker and Kubernetes (preferred)
• Use automation tools such as Ansible and Puppet for configuration management
• Maintain technical documentation and follow standards such as COBIT, ITIL and ISO 27001
• Apply security and risk management practices (CIS, NIST, PCI-DSS, etc.)

Required profile

• Bachelor's degree in Computer Engineering, Software Engineering or a related field
• At least 5 years of experience managing large-scale IT infrastructure and enterprise-level Unix/Linux systems
• Knowledge of Linux clustering, DNS, Samba, CIFS and NFS
• Strong analytical, problem-solving and communication skills, with a team-oriented mindset

Required skills

• Scripting in Bash or Python
• Network protocols, firewalls, VPNs and network configuration
• Preferred: CI/CD, MySQL and PostgreSQL, cloud platforms (AWS, Azure, GCP), Apache, Nginx, Prometheus, Grafana, Zabbix, RHCSA/RHCE