Job Description

SME - NFVI

Requirements:

Experience with Kubernetes: In-depth knowledge and hands-on experience with Kubernetes, including deployment strategies, configuration management, and troubleshooting.

Containerization: Proficient in containerization technologies like Docker, with a strong understanding of container orchestration.

Deployment Tools: Familiarity with deployment tools such as Helm, kubectl, OC.

Patch Deployment: Focused deployment of patches on K8S clusters. Strategy in Bundling, building and merging with custom objects.

Experience in RedHat Openshift Administration Certification in Ver3.9/3.11 or 4.x equivalent experience

Experience in OCP Cluster administration and Upgrades for minimum 2 years

Deep understanding of container image and micro services design patterns

Deep Understanding of various application deployment patterns on Kubernetes/Openshift

Meaningful experience in DevOps & automation: Docker, Kubernetes, Terraform, Ansible

Experience in troubleshooting incidents and working on customer requests.

Collaborate with various stakeholders and Redhat

Experience in Capacity Management of Kubernetes clusters

Core Technical Skills:

Linux Administration: Proficiency in Linux command-line operations, file system management, package installation, and user administration.
Containerization: Experience with containerization technologies like Docker, including building and managing container images, working with Dockerfiles, and managing container registries.
Kubernetes: In-depth knowledge and hands-on experience with Kubernetes, including cluster architecture, resource management, deployment strategies, scaling applications, HAProxy and OpenShift operators.
Kubernetes Objects: Familiarity with Kubernetes objects such as pods, services, deployments, replica sets, ingress, and config maps, and the ability to create and manage them.
YAML: Understanding of YAML syntax and the ability to write and modify Kubernetes manifest files for deploying applications and defining resource configurations.
Networking: Knowledge of Kubernetes networking concepts, including service discovery, load balancing, and cluster networking configuration.
Storage: Understanding of storage concepts in Kubernetes, such as persistent volumes (PVs) and persistent volume claims (PVCs), and the ability to provision and configure storage resources.
Security: Familiarity with Kubernetes security mechanisms, including RBAC (Role-Based Access Control), network policies, and secrets management.
Monitoring and Logging: Experience with Kubernetes monitoring and logging tools, such as Prometheus, Grafana, and Fluentd, to collect and analyze cluster and application metrics.
Infrastructure-as-Code (IaC): Understanding of Infrastructure-as-Code concepts using tools like Terraform or Ansible to provision and manage infrastructure resources for Kubernetes clusters.
Troubleshooting and Debugging: Strong problem-solving skills and the ability to troubleshoot issues related to deployments, networking, resource allocation, and application performance within Kubernetes clusters.

Tools:

Load Testing Tools: Apache JMeter, LoadRunner

Cloud Native - Docker, Kubernetes , OpenShift
Infra Performance Monitoring Tool - Grafana and Prometheus
Profiling Tools: - JProfiler, YourKit, Perf, Gprof
Log Analysis Tools: ELK Stack (Elasticsearch, Logstash, Kibana), or Splunk, or Fluentd

Professional Certifications such as would be added advantage:

(Any 1 in each combo)

RedHat Certified Specialist in OpenShift Administration (or) Certified Kubernetes Administrator
VMware Certified Professional (VCP) (or) OpenStack Certified Administrator

Questions:-

Difference between PODS and Stateful sets

What is the difference between OpenShift 3 installation vs OpenShift 4 installation

Define routes and services in Openshift

List few clients tools to interact with Openshift.

What is a NodePort What is the default range

What are ingress rules

What is etcd

Wwhat is pv and pvc in kubernetes

What are operators

Difference between SRIOV & DPDK

Metadata for Search:

Docker, Kubernetes, RedHat Open Shift
Windows Servers, RHEL, Centos, Fedora.
GlusterFS, Ceph
Ansible Tower / Galaxy / Playbooks

Senior Network Engineer