DevOps Engineer

TechDigital Group; Middletown (NJ); On-site; USD 90,000 - 150,000; Full time

Job summary

An established industry player is seeking a skilled DevOps Engineer to manage their On-Premise RedHat OpenShift Container Platform infrastructure. In this dynamic role, you will oversee the provisioning, management, and deployment of containerized applications, ensuring high availability and performance. You will collaborate with development teams to address vulnerabilities and optimize the infrastructure, utilizing tools like Kubernetes, Docker, and Jenkins. This is a fantastic opportunity to work in a fast-paced environment where your expertise in DevOps practices will significantly impact the organization's success and innovation.

Qualifications

• 5+ years managing RedHat OpenShift and containerized applications.
• Strong experience in CI/CD with tools like Jenkins and GitLab.

Responsibilities

• Administer RedHat OpenShift infrastructure and ensure high availability.
• Collaborate with development teams to containerize applications.

Skills

RedHat OpenShift Container Platform

Kubernetes

Docker

Podman

Elasticsearch

PostgreSQL

Jenkins

GitLab

Kafka

A10 Networks Load Balancing

Tools

Git

Grafana

Prometheus

Terraform

Job description

Job #: 2233
Pay Rate: Not Specified
Job type: contractor
Location: Middletown, NJ

Job Summary:
We are looking for a candidate who can perform multifold responsibilities of managing On-Premise Redhat OpenShift Container Platform infrastructure along with DevOps.
Must have 5+ years of expertise in provisioning, managing and deploying containerized applications using Redhat OpenShift Container Platform infrastructure.

Must have skills:

• RedHat OpenShift Container Platform (Operators, OpenShift Data Foundation, OpenShift Pipelines, Image Registry)
• Kubernetes
• Docker
• Podman
• Elasticsearch/PostgreSQL-DB Administration
• Jenkins
• GitLab
• Kafka
• A10 Networks Load Balancing

Job Description:

Experience in creating, configuring, and maintaining RedHat OpenShift Container Platform in On-Premises Bare Metal and VMWARE environments. This includes setting up the underlying infrastructure, adding or removing nodes, and ensuring the cluster is highly available.
Manage and administer the RedHat OpenShift Container Platform services like Operators, OpenShift Data Foundation, Pipelines, Image Registry, OpenShift Serverless, Routes, S3 Compatible Storage, etc.
Collaborate with the Development team in containerizing the applications and addressing the vulnerabilities identified in the Static/Dynamic scan & container registry scans.
Set up authentication methods (like LDAP), define roles and permissions using Role-Based Access Control (RBAC), and create/manage user accounts.
Configure and manage networking within the cluster, such as setting up service definitions, configuring networking policies, and ensuring that applications can communicate with each other both within and outside the cluster.
Configure and manage OpenShift Container Storage (OCS)/OpenShift Data Foundation (ODF) for stateful workloads and data services across the platform. This includes setting up persistent storage, storage classes, and managing the lifecycle of storage volumes.
Keep the OpenShift clusters up to date by performing version upgrades and optimizing the cluster's performance by fine-tuning configurations and resolving performance bottlenecks.
Manage and administer the On-Premise Elasticsearch clusters, including deployment, configuration, index management, cross-cluster replication, snapshot/restore, agent management, cluster upgrades, index templates management, and other relevant administrator duties.
Secure access to the Elasticsearch cluster, its data, and APIs according to required access control policies and troubleshoot various issues with the clusters (errors like unassigned shards, automation issues, node/cluster failures).
Strong experience in building and administering Apache/Confluent Kafka messaging platform.
Develop and maintain continuous integration and continuous deployment systems using tools like Git, GitHub, Jenkins, and Helm.
Maintain the GitLab version control system and manage GitLab repositories, permissions, branching, merging, tagging, maintaining access control strategies, and resolving conflicts.
Perform Jenkins installation, upgrades, RBAC configuration, plugin installation, backup/restore, Jenkins files, and CI/CD pipelines.
Perform the installation, configuration, upgrade, administration, monitoring, and maintenance of the PostgreSQL database.
Install, configure, and manage monitoring tools such as Grafana/Prometheus in Redhat OpenShift clusters and push the container logs to Elasticsearch with FluentD/FluentBit.
Linux/Windows System Administration skills, including operating system installation and maintenance.
Implement concepts of the Big Data (Hadoop) ecosystem such as YARN, HDFS, HBase, Zookeeper, Spark, and Hive. Accountable for storage, performance tuning, and volume management of Hadoop clusters.
Experience with writing Helm Charts, Kubernetes manifest files, and Docker files.
Experience with scripting languages (e.g., Bash, Python) and infrastructure as code tools (e.g., Terraform).
Identify new tools/technologies that will make the release and SCM process more efficient, repeatable, reliable, and cost-effective.
Continuously evaluate various parts of the platform for opportunities for security hardening and improvements in observability. Evaluate new technologies and industry trends, develop proofs-of-concept, and present findings.
Infrastructure as Code development and deployments.

Any of the following Certifications are a big plus:

• Certified Kubernetes Administrator (CKA)
• Red Hat Certified OpenShift Administrator