L3 Linux System Engineer

serverhubhr; Delhi; Remote; INR 350,000 - 600,000; Full time

Benefits offered by this job

Paid leaves

Fully remote set-up

Job summary

ServerHub is seeking an experienced L3 Linux System Engineer to secure and optimize high-performance hosting platforms. You will escalate, diagnose, and resolve complex issues, manage Linux environments, and automate provisioning with Bash/Python.

You will work with Ansible, Terraform, OpenStack, KVM, Docker, Kubernetes, and support 24/7 production operations. The role requires 11+ years of hands-on Linux experience, strong scripting, and cloud hosting expertise.

Qualifications

• 11+ years of hands-on Linux system administration experience in hosting/cloud.
• 7+ years in a Senior or Level 3 Engineer role.
• KVM and Libvirt expert with web hosting stack knowledge.
• Strong scripting in Perl, Bash, and Python with automation.
• Knowledge of security, monitoring, and on-call processes.

Responsibilities

• Act as the final escalation point for complex server, hosting, and network issues.
• Diagnose and resolve critical system failures, outages, and performance problems.
• Manage Linux hosting environments (CentOS, Ubuntu, RHEL) securely.
• Administer and tune web servers (Apache, Nginx) and databases (MySQL, PostgreSQL).
• Develop automation scripts for provisioning and configuration management.
• Collaborate with NOC, DevOps, and Engineering teams; mentor L1/L2 engineers.
• Participate in 24/7 on-call rotation.

Skills

Linux

Perl Bash Python

Ansible Terraform

Puppet Chef

Networking TCP/IP

cPanel Plesk WHM

KVM OpenStack VMware

Docker Kubernetes

English

Education

RHCE

AWS SysOps

CKA

Tools

OpenStack

Docker

Kubernetes

Terraform

Ansible

Puppet

Chef

Job description

AboutServerHub:

AtServerHub, 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 areoptimized, secure, and always online.

Job Responsibilities:

Escalation & Troubleshooting:

• Act as the final escalation point (L3) for complexserver, 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, ensuringoptimalconfigurations for performance and security.

Automation & DevOps:

• Develop andmaintainautomation 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, includingfirewallrules,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 administrationexperience in a web hosting or cloud environment.
• 7+ years of experience in a Senior positionor Level 3 Engineer role.
• MUSTbe aKVM andLivbirtexpert with a minimum of7+ 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).
• Networkingexpertise– 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 CertifiedSysOpsAdministrator, or Kubernetes (CKA) are a plus.
• Good English Communication Skills

WhatServerHubOffers:

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

JoinServerHuband be part of a team that keeps the internet running!