Specialist - Cloud Engineering

LTM; Warszawa; On-site; PLN 300,000 - 420,000; Full time

Job summary

LTM is seeking a Senior OpenShift Platform Engineer in Warsaw to lead enterprise OpenShift operations with deep Kubernetes networking expertise. You will design, deploy, and optimize platforms, implement Cilium and Isovalent Enterprise for Cilium, and use eBPF for security and performance.

You will partner with security and infra teams on lifecycle management and observability. The role requires 5+ years on Kubernetes-based platforms, strong OpenShift administration, and IaC skills (Terraform,

Qualifications

• Bachelor's degree in CS/IT/Engineering or equivalent practical experience.
• 5 years of experience managing Kubernetes-based container platforms.
• Hands-on with Red Hat OpenShift administration and platform engineering.
• Deep understanding of Kubernetes architecture and cluster operations.
• Experience with OVNKubernetes, CNI, and service mesh technologies.
• Hands-on with Cilium networking and Isovalent Enterprise for Cilium.
• Experience with IaC tools like Terraform and Ansible.
• Knowledge of Linux system administration and troubleshooting.
• Experience with cloudnative tooling and multi-cloud environments.

Responsibilities

• Design, deploy, administer and optimize enterprise OpenShift platforms.
• Manage Kubernetes clusters with HA, scalability, performance and security focus.
• Implement and troubleshoot container networking and CNI frameworks.
• Configure network policies, ingress/egress controls and service connectivity.
• Deploy and support Cilium and Isovalent Enterprise for Cilium.
• Leverage eBPF to enhance security, observability and performance.
• Develop automation for provisioning, upgrades and lifecycle management.
• Collaborate with security and infra teams for stability and compliance.
• Monitor health, capacity and performance; identify optimizations.
• Maintain security best practices across Kubernetes/OpenShift.
• Troubleshoot complex infra networking and container issues in prod.
• Create technical docs and architectural standards.

Skills

Kubernetes

OpenShift

eBPF

Cilium

Isovalent Enterprise for Cilium

Container networking

OVN Kubernetes

Terraform

Ansible

Argo CD

Flux

Prometheus

Grafana

OpenTelemetry

GitOps

Linux

Cloud-native tooling

Security best practices

Education

Bachelor's degree in Computer Science, Information Technology, Engineering, or equivalent

Tools

Terraform

Ansible

Argo CD

Flux

Prometheus

Grafana

OpenTelemetry

Job description

Role Description

Job Summary

We are seeking a highly skilled Senior OpenShift Platform Engineer with deep expertise in Kubernetes container networking and cloudnative platform operations The ideal candidate will possess extensive handson experience designing implementing and supporting enterprisegrade Red Hat OpenShift environments with specialized knowledge in advanced networking technologies including Cilium eBPF and Isovalent Enterprise for Cilium

Key Responsibilities

• Design deploy administer and optimize enterprise Red Hat OpenShift container platforms across development testing and production environments
• Manage and support Kubernetes clusters with a focus on high availability scalability performance and security
• Implement and troubleshoot container networking solutions including Kubernetes CNI frameworks and OVNKubernetes architectures
• Design configure and maintain advanced networking network policies service connectivity and ingressegress controls
• Deploy configure and support Cilium and Isovalent Enterprise for Cilium to enable secure observable and scalable Kubernetes networking
• Leverage eBPF technologies to enhance networking security observability and performance monitoring capabilities
• Develop automation solutions for platform provisioning upgrades patching and lifecycle management
• Partner with application security and infrastructure teams to ensure platform stability compliance and operational excellence
• Monitor platform health capacity and performance while identifying opportunities for optimization
• Implement and maintain security best practices across Kubernetes and OpenShift environments
• Troubleshoot complex infrastructure networking and containerrelated issues in production environments
• Create technical documentation operational procedures and architectural standards

Required Qualifications

• Bachelors degree in Computer Science Information Technology Engineering or equivalent practical experience
• 5 years of experience managing Kubernetesbased container platforms
• Strong handson experience with Red Hat OpenShift administration and platform engineering
• Deep understanding of Kubernetes architecture components and cluster operations
• Extensive knowledge of Kubernetes networking concepts and container networking interfaces CNI
• Experience with OVNKubernetes network policies ingress controllers and service mesh technologies
• Handson experience implementing and supporting Cilium networking solutions
• Strong understanding of eBPF architecture use cases and operational deployment
• Experience with Isovalent Enterprise for Cilium in enterprise Kubernetes environments
• Knowledge of Linux operating systems system administration and troubleshooting
• Experience with Infrastructure as Code Terraform Ansible or similar automation tools
• Strong understanding of cloudnative technologies and container ecosystem tools

Preferred Qualifications

• Red Hat OpenShift certifications RHCSA RHCE OpenShift Administration or OpenShift Development certifications
• Certified Kubernetes Administrator CKA or Certified Kubernetes Security Specialist CKS
• Experience with GitOps practices and tools such as Argo CD or Flux
• Knowledge of observability platforms such as Prometheus Grafana Loki and OpenTelemetry
• Experience integrating Kubernetes platforms with enterprise security solutions
• Experience supporting hybrid cloud and multicloud Kubernetes environments