Openshift Administrator

1 week ago

Bengaluru, India NTT DATA 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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