Openshift L4

Tata Consultancy Services; Bengaluru; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Tata Consultancy Services is seeking an OpenShift L4 expert in Bengaluru with 8–10 years of hands-on experience in large-scale OpenShift environments. You will lead cluster administration, automation, and reliability initiatives, partnering with platform and product teams to ensure robust, scalable infrastructure.

You will own end-to-end lifecycle management, from provisioning to upgrades, with strong emphasis on CI/CD, GitOps, and observability.

Qualifications

• Expert-Level OpenShift with OCP installation, upgrades and disaster recovery.
• Deep Kubernetes understanding and Operators (OLM).
• Proficient with Ansible and Terraform for IaC automation.
• Advanced scripting in Python/Go/Bash; strong problem-solving skills.
• Hands-on experience with monitoring and logging stacks (Prometheus, Grafana, ELK/OTEL).
• Experience with CI/CD tooling and GitOps (Tekton, Jenkins, ArgoCD).
• Strong Linux/RHEL admin, networking, and storage fundamentals.

Responsibilities

• Lead OpenShift platform administration, upgrades, and capacity planning.
• Define and uphold reliability standards with SLOs/SLIs and error budgets.
• Design and maintain automation for the full lifecycle of OpenShift clusters.
• Drive incident response, post-mortems, and root cause analysis.
• Build robust observability and self-healing capabilities for clusters.
• Engineer CI/CD pipelines and GitOps workflows for platform and tenant apps.
• Mentor teams and own complex, cross-functional OpenShift projects.

Skills

OpenShift Expert

Kubernetes Mastery

IaC with Ansible & Terraform

Python/Go/Bash

Observability stack

CI/CD tools

Linux System Admin

Networking & Storage

Education

Bachelor's in CS/EE or similar

15 years of full-time education

Tools

OpenShift 4.x

Prometheus/Grafana

Tekton/Jenkins/ArgoCD

ELK Stack / Fluentd / OTEL

Job description

TCS has been a great pioneer in feeding the fire of young techies like you. We are a global leader in the technology arena and theres nothing that can stop us from growing together.

What we are looking for

Role: Openshift L4

Experience Range: 8 to 10 Years

Must Have:

• Expert-Level OpenShift: Deep, authoritative knowledge of OCP installation (IPI/UPI), upgrades, cluster administration, node management, and disaster recovery.
• Kubernetes Mastery: A fundamental and deep understanding of Kubernetes architecture and components (etcd, kube-apiserver, scheduler, etc.) and Operators (OLM).
• Infrastructure as Code (IaC): Strong proficiency withAnsible and Terraform for automating infrastructure provisioning and configuration management.
• Programming/Scripting: Advanced scripting and software development skills in Python or Go, as well as Bash.
• Observability: Hands‑on experience building and managing monitoring and logging solutions (e.g., Prometheus, Grafana, Thanos, Alertmanager, ELK Stack, Splunk, Fluentd/Vector/OTEL).
• CI/CD & GitOps: Expertise with CI/CD tooling (e.g., Tekton ,Jenkins, GitLab CI, ArgoCD, GitHub Actions).
• Core Infrastructure: Strong proficiency in Linux/RHEL administration, networking (SDN, OVS, routing, firewalls, load balancer), and storage (Ceph, NFS, block storage, Object).

Good to Have:

• 8+ years of overall experience in roles such as Site Reliability Engineering, DevOps, or Linux Systems Engineering.
• 5+ years of hands‑on, intensive experience administering, automating, and troubleshooting Red Hat OpenShift (OCP 4.x preferred) in large-scale production environments.
• Proven experience in a senior or lead engineering role, demonstrating ownership of complex projects and mentorship of others.
• Define and Uphold Reliability Standards: Establish and manage Service Level Objectives (SLOs), Service Level Indicators (SLIs), and error budgets for the OpenShift platform and its core services.
• Automate Everything: Design, build, and maintain robust automation to handle the full lifecycle of OpenShift clusters, including provisioning, upgrades, patching, scaling, and disaster recovery.
• Reduce Toil: Proactively identify and eliminate manual, repetitive operational work by developing and maintaining automation scripts (Python, Go, Bash) and Ansible playbooks.
• Incident Response and Root Cause Analysis: Lead high‑severity incident response and conduct deep, blameless post‑mortems to identify and implement permanent solutions to prevent recurrence.
• Proactive Health Management: Develop and implement automated health checks and self‑healing capabilities to ensure cluster and application resilience.
• Subject Matter Expertise: Serve as the top‑tier technical authority for OpenShift Container Platform architecture, networking (OVN‑Kubernetes, SDN), load balancing, cross cluster management, storage (OpenShift Data Foundation/Ceph), and security.
• Observability: Architect and manage a comprehensive observability stack (e.g., Prometheus, Grafana, ELK/Fluentd) to provide deep insights into platform and application performance.
• CI/CD and GitOps: Engineer and optimize CI/CD pipelines for both platform components and tenant applications, championing GitOps principles for declarative configuration management.
• Capacity and Performance: Conduct advanced performance tuning, load testing, and capacity planning to ensure the platform can meet future demand.
• 15 years of full‑time education
• Minimum percentile of 50% in 10th, 12th, UG & PG (if applicable)