Linux Engineer

NLB Services; Dublin; On-site; EUR 90,000 - 130,000; Full time

Job summary

NLB Services in Dublin, Ireland seeks a Senior DevOps/Cloud Engineer to deploy and maintain multi-cluster OpenShift environments and to develop Java applications in containerized stacks. You will manage Argo CD-based deployments, integrate with enterprise CI/CD, and work across the development lifecycle with a focus on performance, scalability, and reliability.

The role requires 5+ years of production Kubernetes/OpenShift experience and a CS/IT degree, offering a challenging, collaborative

Qualifications

• 5+ years in production Kubernetes or OpenShift environments.
• Bachelor’s degree in Computer Science, IT, or equivalent.

Responsibilities

• Deploy, configure and maintain multi-cluster OpenShift environments.
• Design and develop Java applications in containerized stacks using OpenShift, Kubernetes, and Docker.
• Manage cloud-native deployments with Argo CD and integrate with CI/CD systems.
• Contribute across the development lifecycle and document designs.
• Troubleshoot performance and data-related issues in databases.
• Optimize processes to handle data at scale and complexity.
• Collaborate with clients to deliver scalable, maintainable code.
• Define infrastructure requirements and improve CI/CD workflows.

Skills

OpenShift

Kubernetes

Java

Docker

Argo CD

CI/CD

Education

Bachelor's degree in Computer Science / IT

Tools

OpenShift

Kubernetes

Docker

Argo CD

CI/CD tooling

Job description

• Deploy, configure, upgrade, and maintain multi-cluster Red Hat OpenShift (OCP 4.x) environments.
• Design, develop, and deploy Java applications in containerized environments using Red Hat OpenShift, Kubernetes, and Docker.
• Manage cloud-native deployment workflows using tools like Argo CD (OpenShift GitOps) and integrate them with enterprise CI/CD systems.
• Contributing in all phases of the development lifecycle.
• Participate along with Technical Lead in application design and create technical documentation like flow diagrams.
• Troubleshoot and resolve issues like database performance, database capacity, replication, and other data-related issues.
• Optimize process for speed and efficiency, addressing bottlenecks, and ensuring the application can handle the volume, velocity, and variety of data.
• Work with clients to deliver scalable and maintainable code.
• Understand the infrastructure requirements needed for the application.
• Work on developing streamlined CI/CD process for application development.

Qualifications

• 5+ years of professional experience managing production Kubernetes or OpenShift environments.
• Bachelor’s degree in Computer Science, Information Technology, or equivalent practical experience.