DevOps Engineer

HCL Technologies Limited; Chennai; On-site; INR 3,000,000 - 4,200,000; Full time

Job summary

HCL Technologies Limited is seeking an experienced Infrastructure Engineer with 10+ years of hands-on Kubernetes administration, architecture and DevOps expertise. The role covers designing enterprise infrastructure across bare-metal, virtualized and hybrid environments, with a focus on high availability, storage, networking and disaster recovery.

You will deploy and manage Rancher-managed Kubernetes clusters, automate provisioning with Ansible and Terraform, and drive CI/CD and GitOps practices

Qualifications

• 10+ years of experience in infrastructure engineering.
• Hands-on Kubernetes administration and architecture.
• Experience with Rancher-managed Kubernetes clusters and distributed computing platforms.
• Strong knowledge of Ceph storage, networking and Linux systems.

Responsibilities

• Design and implement enterprise infrastructure across bare-metal, virtualized and hybrid environments, including capacity, availability, networking, storage and DR.
• Deploy, administer and troubleshoot Rancher-managed RKE/RKE2 Kubernetes clusters and containerized apps.
• Manage Kubernetes lifecycle: HA, worker provisioning, upgrades, etcd backup/recovery, workload resilience.
• Administer Linux systems, networking, filesystems and storage; perform capacity planning and performance tuning.
• Operate Ceph storage (MON/MGR/OSD/MDS/RGW) and integrate with Kubernetes via CSI.
• Configure Kubernetes networking, ingress, load balancing, DNS, certificates and network policies.
• Automate provisioning and deployment using Ansible, Terraform and related tools.
• Develop Python, Bash and automation scripts for installation, validation and monitoring.
• Diagnose kernel and driver issues; ensure compatibility across hardware and software.

Skills

Kubernetes

Linux

Infrastructure

DevOps

Ceph

Networking

Education

CKAD

CKA

CKS

Linux/Cloud certifications

Tools

Ceph storage

Networking

Job description

Experience: 10+ years in infrastructure engineering, including hands-on Kubernetes administration and architecture, DevOPs

Skill set:

• Kubernetes, Linux, Infra, Devops


• Ceph storage, networking

Key Responsibilities

• Design and implement enterprise infrastructure across bare-metal, virtualized and hybrid environments, covering capacity, availability, networking, storage and disaster recovery.


• Deploy, administer and troubleshoot Rancher-managed RKE/RKE2 Kubernetes clusters, containerized applications and distributed computing platforms.


• Manage Kubernetes lifecycle activities, including control-plane HA, worker provisioning, upgrades, etcd backup/recovery and workload resilience.


• Administer Linux systems, networking, file systems and storage technologies; perform capacity planning and performance tuning for production workloads.


• Design and operate Ceph storage, including MON, MGR, OSD, MDS and RGW services, and integrate RBD/CephFS with Kubernetes through CSI.


• Configure Kubernetes networking, ingress, load balancing, DNS, certificates, network policies and persistent storage.


• Automate cluster provisioning, installation, configuration management and deployment orchestration using Ansible, Terraform and appropriate provisioning platforms.


• Develop Python, Bash and other automation tools for installation, validation, monitoring, health checks and operational workflows.


• Diagnose Linux device-driver, kernel-module and operating-system issues, ensuring compatibility across hardware, firmware and software dependencies.


• Evaluate and qualify enterprise server platforms, validating BIOS settings, BMC/IPMI firmware, hardware health and system configurations.


• Deploy and support GPU-accelerated infrastructure, including NVIDIA drivers, CUDA and AI/ML platforms; optimize compute-intensive workloads.


• Configure and troubleshoot high-performance networking using NVIDIA/Mellanox technologies, RDMA, RoCE, InfiniBand and high-speed Ethernet.


• Implement observability, logging and cluster health management using Prometheus, Grafana, ELK, OpenTelemetry or equivalent platforms.


• Establish GitOps, CI/CD, Helm and Infrastructure-as-Code practices, including automated validation, release management and rollback procedures.


• Implement enterprise identity integration, RBAC, secrets management, security hardening and container security controls.


• Support secure, mission-critical and air-gapped environments, including customer deployments, controlled upgrades and critical incident resolution.


• Lead troubleshooting and root-cause analysis across applications, Kubernetes, Linux, storage, networking, GPUs and server hardware.


• Coordinate with vendors, customers and cross-functional teams to resolve integration issues and deliver validated infrastructure.


• Maintain architecture diagrams, configuration baselines, runbooks and recovery procedures; mentor engineers and lead operational handover.

Preferred qualifications

• CKAD, CKA, CKS or relevant Linux/cloud certifications