Senior Linux System Engineer

Summary

Join ServerHub, a high-performance cloud and hosting solutions provider, as an L3 Linux System Engineer. You will be responsible for troubleshooting complex server and network issues, managing Linux-based hosting environments, automating infrastructure deployments, and ensuring system security and compliance. This role requires extensive experience in Linux system administration, web hosting technologies, scripting, and configuration management. You will collaborate with various teams and provide mentorship to junior engineers. ServerHub offers a fast-paced environment, cutting-edge technologies, career growth opportunities, paid leaves, and a fully remote setup.

Requirements

• 7+ years of hands-on Linux system administration experience in a web hosting or cloud environment
• Expert knowledge of web hosting technologies (cPanel, Plesk, WHM, LAMP/LEMP stacks)
• Strong scripting ability in Perl, Bash, and Python
• Experience with configuration management tools (Ansible, Puppet, Chef)
• Networking expertise – understanding of TCP/IP, DNS, VPN, Firewalls, Load Balancing
• Familiarity with RAID, SAN, NAS, and distributed storage systems
• Experience working in a 24/7 production environment with on-call duties
• Ability to build and configure servers from the ground up

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
• Utilize Ansible, Terraform, or similar tools for automating infrastructure deployments
• Deploy and manage KVM, OpenStack, VMware, or containerized environments (Docker, Kubernetes)
• Support cloud-based hosting solutions (AWS, Google Cloud, Azure)
• 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

Preferred Qualifications

Certifications such as RHCE, AWS Certified SysOps Administrator, or Kubernetes (CKA) are a plus

Benefits

• A fast-paced, innovative environment in a growing cloud hosting company
• Cutting-edge technologies and challenging projects
• Career growth opportunities and professional development
• Paid leaves and fully remote set-up