Senior Linux System Engineer

ServerHub

Escalation & Troubleshooting:

• 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.

Linux Server Administration:

• 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.

Automation & DevOps:

• Develop and maintain automation scripts (Bash, Python, Perl) for server provisioning and configuration management.

• Utilize Ansible, Terraform, or similar tools for automating infrastructure deployments.

Cloud & Virtualization:

• 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.

Monitoring & Incident Response:

• Set up and manage monitoring tools like Prometheus, Grafana, Zabbix, Nagios.

• Participate in 24/7 on-call rotation for urgent system issues.

Collaboration & Mentoring:

• Work closely with NOC, DevOps, and Engineering teams to ensure smooth operations.

• Provide guidance and mentorship to L1 & L2 support engineers.

Requirements:
11+ years of hands-on Linux system administration experience in a web hosting or cloud environment.
7+ years of experience in a Senior position or Level 3 Engineer role.
MUST be a KVM and Livbirt expert with a minimum of 7+ yrs of experience.
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.
Certifications such as RHCE, AWS Certified SysOps Administrator, or Kubernetes (CKA) are a plus.
Good English Communication Skills