Assistant Manager - Data Centre

Role Overview

The Linux L2 Engineer will be responsible for advanced troubleshooting, system administration, and

performance optimization of RHEL-based environments, with exposure to Kubernetes clusters. This

role bridges operational support and engineering, ensuring stability, scalability, and security of

production systems.

Core Responsibilities

• RHEL server management: Install, configure, and maintain RHEL servers across physical and virtual environments.
• Troubleshooting escalations: Handle L2 tickets related to OS, networking, and application-level issues.
• System monitoring: Use tools like Prometheus, Grafana or any NMS tools for proactive monitoring and alert handling.
• Patch and kernel updates: Apply patches, perform kernel upgrades, and validate system stability post-update.
• Networking support: Diagnose issues with DNS, DHCP, routing, firewalls, and load balancers.
• Storage management: Manage LVM, RAID, NFS, iSCSI, and troubleshoot disk performance issues.
• Kubernetes basics: Assist in managing pods, deployments, services, and troubleshoot container runtime issues.
• Scripting and automation: Write Bash/Python scripts for repetitive tasks, log parsing, and system automation.
• Documentation: Maintain runbooks, troubleshooting guides, and configuration records.

• Strong hands-on experience with RHEL 8/9/10 & other flavors of Linux administration.
• Familiarity with systemd, SELinux, and package management (yum/dnf).
• Knowledge of Kubernetes fundamentals (kubectl commands, YAML manifests, pod lifecycle).
• Proficiency in shell scripting (Bash, Python preferred).
• Experience with monitoring tools (zabbix, Prometheus, Grafana).
• Understanding of networking protocols (TCP/IP, HTTP, SSH).
• Exposure to storage technologies (LVM, RAID, NFS).

• Experience with automation/configuration tools (Ansible, Puppet, Chef).
• Knowledge of container runtimes (Docker).
• Familiarity with CI/CD pipelines (Jenkins, GitLab CI).
• Exposure to cloud platforms (AWS EC2).

• 3-6 years of strong relevant experience in Linux system administration.
• Strong analytical and troubleshooting mindset.
• Ability to work in rotational shifts and handle 24x7 production support.
• Collaborative approach with cross-functional teams (DevOps, Networking, Security).