Kubernetes Admin - Senior

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Kubernetes Senior Admin

About Company : A great workplace, thrives on ideas and opportunities. That is a part of our DNA. We're in pursuit of colleagues who share similar passions, are nimble and thrive when challenged. We offer a positive, stimulating and fun environment – with opportunities to grow, a fast-paced approach to innovation, and a place where your views are valued and encouraged. We invite you to push your boundaries and join us in fulfilling your career aspirations!

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Position Overview : We are seeking an experienced Senior Kubernetes Administrator with expertise in Rancher-managed Kubernetes clusters in an on-premises setup. This L3 / SME role involves leading cluster architecture, automation, security hardening, and performance optimization, while mentoring the junior team and supporting critical workloads.

Roles And Responsibilities

● Architect, configure, and administer Rancher-managed on-prem Kubernetes clusters.

● Lead lifecycle management : upgrades, scaling, high availability, and disaster recovery.

● Build automation for cluster provisioning and configuration using RKE, Helm, Ansible, etc.

● Implement advanced RBAC, pod security policies, network policies, and secrets management. ● Manage persistent volumes, CSI drivers, and local / remote storage integrations.

● Lead root cause analysis for performance issues, failures, and outages.

● Integrate monitoring / logging tools (Prometheus, Grafana, Loki, ELK).

● Work closely with InfoSec teams for vulnerability management and compliance.

● Mentor junior admins and establish SOPs, architectural guidelines, and security baselines.

Requirements

Must Have Skills :

● 7–8 years of Linux and containerization experience, with 4+ years in Kubernetes (on-prem).

● Deep experience with Rancher UI / CLI, RKE, Helm, and K8s architecture- RKE 2 , Rancher Managed.

● Familiarity with RKE (Rancher Kubernetes Engine).

● Should have worked on Pod distribution budgets across K8s.

● Experience in Kafka – Apache / Confluent

● Should have experience in Prometheus, Open-Telemetry & Grafana extensively

● Proficient in scripting (Bash, Python) and automation tools like Ansible or Terraform.

● Expertise in cluster-level networking, ingress controllers, and service meshes (optional).

● Strong debugging and monitoring skills using Rancher-native and third-party tools.

● Hands-on with GitOps workflows and secure CI / CD pipelines. Good to Have Skills :

● Certified Kubernetes Administrator (CKA).

● Database experience would be a plus with flavours – PostgreSQL, Mongo, Oracle & Redis-Cache.

● Experience with bare metal provisioning, VM infrastructure, or storage systems. Soft Skills :

● Leadership in operational excellence and incident management.

● Strong communication with cross-functional teams and stakeholders.

● Ability to manage critical incidents and mentor junior engineers.

Qualification : BE / BTech / MCA / ME / MTech / MS in Computer Science or a related technical field or equivalent practical experience.

Location : ● Gurugaon / Onsite

Skills Required

Elk, Prometheus, Kafka, Bash, Grafana, Terraform, Ansible, Helm, Python, Kubernetes