Senior Linux System Engineer (L3)

NOTE : IF YOU ARE NOT FROM SERBIA, DO NOT APPLY TO THIS LINK.

About ServerHub :

At ServerHub, we power businesses with high-performance cloud and hosting solutions. Our mission is to provide customers with reliable, scalable, and secure infrastructure worldwide. As an L3 Linux System Engineer, you will be at the forefront of our operations, ensuring our hosting platforms are optimized, secure, and always online.

Job Responsibilities :

• Act as the final escalation point (L3) for complex server, hosting, and network-related issues.
• Diagnose and resolve critical system failures, network outages, and performance issues.
• Manage, optimize, and secure Linux-based hosting environments (CentOS, Ubuntu, RHEL).
• Administer and fine-tune web servers (Apache, Nginx, LiteSpeed), databases (MySQL, PostgreSQL), and caching layers (Redis, Memcached).
• Build and deploy servers from the ground up, ensuring optimal configurations for performance and security.
• Develop and maintain automation scripts (Bash, Python, Perl) for server provisioning and configuration management.
• Deploy and manage KVM, OpenStack, VMware, or containerized environments (Docker, Kubernetes).
• Support cloud-based hosting solutions (AWS, Google Cloud, Azure).
• Security & Compliance :
• Implement security best practices, including firewall rules, SELinux / AppArmor, IDS / IPS.
• Perform vulnerability assessments and patch management to secure customer environments.
• Set up and manage monitoring tools like Prometheus, Grafana, Zabbix, Nagios.
• Participate in 24 / 7 on-call rotation for urgent system issues.
• Work closely with NOC, DevOps, and Engineering teams to ensure smooth operations.
• Provide guidance and mentorship to L1 & L2 support engineers.

Requirements :

What ServerHub Offers :