Assistant Manager - Data Centre

HDB Financial Services Ltd.; Mumbai; On-site; INR 1,200,000 - 2,000,000; Full time

Job summary

HDB Financial Services Ltd. is seeking a Linux L2 Engineer (RHEL & Kubernetes) to advance troubleshooting, system administration, and performance optimization in RHEL-based environments with exposure to Kubernetes clusters.

You will bridge operations and engineering to ensure stability, scalability, and security of production systems. The role involves managing RHEL servers, handling L2 escalations, system monitoring, patching, and automation.

Qualifications

• 3–6 years of Linux system administration experience.
• Strong troubleshooting and analytical skills.
• Willingness to work in rotational 24x7 shifts.
• Experience with Kubernetes basics.

Responsibilities

• Manage RHEL servers across physical and virtual environments.
• Handle L2 escalations for OS, networking, and apps.
• Monitor systems using Prometheus, Grafana, and other tools.
• Apply patches and kernel updates; validate stability.
• Diagnose DNS, DHCP, routing, firewalls, and load balancers.
• Manage storage: LVM, RAID, NFS, iSCSI.
• Assist in Kubernetes pod/deployments troubleshooting.
• Write Bash/Python scripts for automation.
• Maintain runbooks and documentation.

Skills

RHEL administration

Linux troubleshooting

Kubernetes basics

Shell scripting

Monitoring tools

Networking basics

Storage management

Automation scripting

Tools

Prometheus

Grafana

Zabbix

Ansible

Puppet

Jenkins

GitLab CI

Job description

Job Description: Linux L2 Engineer (RHEL & Kubernetes)

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.

Required Technical Skills

• 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).

Preferred Technical Skills

• 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).

Candidate Profile

• 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).