Openshift Administrator

2 weeks ago


Bengaluru, India Hashmap Full time

Experience with Containers and Orchestrations (Docker, K8s, Rancher, Redhat Openshift and RHACM)
>Good hands on experience of managing Redhat Openshift/Kubernets cluster (3.x and 4.x)environment.
>Installation and upgrade of Openshift/Kubernets using manual and automated approach.
>Good knowledge on migration and transition of Redhat Openshift infra.
>Maintain and Develop Docker images/containers for different technology stack
>Setting up and managing Docker private repository and creating docker file to create custom Docker images
>Building and configuring Kubernetes>based infrastructure, Core>DNS, Kube Proxy, Ingress, etc. and leverage k8s for deploying services
>PaaS Solution based on Kubernetes (OpenShift 3.X and 4.X).
>Overall / End to end experience on Cloud (PaaS) Ops environment
>Working experience on Large/Super cluster (Andromeda)
>Design and Build IaC pipelines using Terraform and Jenkins.
>Function as an SRE to enhance platform stability and perform proactive fixes and documenting root cause analysis and emergency response.
>Ensure that the connectivity and network are always up and running and plan for capacity upgrading or downsizing as and when the need arises
>Monitoring tools - Prometheus and/or Logic Monitor. Suggest & enable monitoring for 360 degree health status of the system.
>Good knowledge of automation and configuration management framework like Ansible, Puppet, Chef, etc.
>Maintain container registry and certificates.
>Experience in Security & Hardening (under O&M) and suggest best security policies implementation.
>Maintenance of Ingress/DNS, Storage Classes, Helm Catalog in Openshift
>Understanding & troubleshooting the issues via available system logs
>Understanding of internet technologies (DNS, SNMP, HTTP, TCP/IP, CDNs)
>Experience with virtualization and cloud technologies (VMWare, RHEVM, AWS/GCP)
>Experience in working on Redhat Enterprise Linux 6/7/8
>Capable of handling End to End Project / migration.
>Ability to handle multiple projects in case of any emergency needs
>Knowledge / experience working with various support team and manage the conflicts
>Able to support weekend based on the Project needs
>Knowledge on Problem / Incident / Change management process
>Knowledge on environment life cycle process.
>Ability to prioritize and work well under pressure
>Ability to handle emergency situation at any point of time in IT operations
>Knowledge and hands on bare metal hardware (x86 >HP / DELL / IBM) support
>Good knowledge on Traditional Unix and experience on workload migration knowledge



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