L3 Senior Linux System Engineer

ServerHub; Mumbai; On-site; INR 3,500,000 - 5,500,000; Full time

Benefits offered by this job

Paid leaves

Fully remote setup

Job summary

ServerHub is seeking a Senior Linux System Engineer (Remote Set-Up) to optimize and secure high‑performance hosting platforms. You will lead escalations for complex server, network, and storage issues while shaping automation and deployment workflows.

You will work across OpenStack/VMware, Docker/Kubernetes environments and help sustain 24/7 operations with on‑call duties, leveraging RHCE/AWS/CKA certifications where applicable.

Qualifications

• 11+ years of hands-on Linux system administration experience in hosting/cloud environments.
• 7+ years in a Senior or Level 3 Engineer role.
• KVM and Libvirt expert with 7+ yrs of experience.
• Expert knowledge of web hosting tech (cPanel, Plesk, WHM, LAMP/LEMP).
• Strong scripting ability in Perl, Bash, and Python.
• Experience with Ansible, Puppet, Chef.
• Networking expertise: TCP/IP, DNS, VPN, Firewalls, Load Balancing.
• Familiarity with RAID, SAN, NAS, distributed storage systems.
• Experience in 24/7 production environment with on-call duties.
• Ability to build and configure servers from ground up.
• RHCE, AWS SysOps, or Kubernetes (CKA) certifications are a plus.
• Good English communication skills.

Responsibilities

• Act as the final escalation point (L3) for complex server, hosting, and network issues.
• Diagnose and resolve critical system failures, network outages, and performance issues.
• Manage, optimize, and secure Linux hosting environments (CentOS, Ubuntu, RHEL).
• Administer and fine-tune web servers (Apache, Nginx, LiteSpeed), databases, and caching layers.
• Build and deploy servers from ground up with security and performance in mind.
• Develop automation scripts (Bash, Python, Perl) for provisioning and config management.
• Utilize Ansible, Terraform, or similar tools for automating deployments.
• Deploy and manage KVM, OpenStack, VMware, or containerized environments.
• Support cloud hosting solutions (AWS, Google Cloud, Azure).
• Implement security best practices, firewall rules, SELinux/AppArmor, IDS/IPS.
• Set up monitoring tools like Prometheus, Grafana, Zabbix, Nagios; participate in on-call rotation.
• Collaborate with NOC/DevOps/Engineering; mentor L1/L2 engineers.

Skills

Linux system administration

KVM

Libvirt

Networking

Scripting (Perl, Bash, Python)

Automation (Ansible, Terraform)

Web hosting technologies

Security hardening

On-call support

Tools

Ansible

Puppet

Chef

Terraform

OpenStack

VMware

Docker

Kubernetes

Job description

Senior Linux System Engineer | Cloud, Virtualization & Enterprise Systems | Remote Set-Up

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.

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

Job Responsibilities:

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.

What ServerHub Offers:

• 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