Senior OpenShift Engineer: Kubernetes Networking & Cilium

LTM Limited; Warszawa; On-site; PLN 240,000 - 360,000; Full time

Job summary

LTM Limited in Warsaw seeks a Senior OpenShift Platform Engineer to lead enterprise OpenShift and Kubernetes networking efforts. You will design, implement, and operate scalable, secure container platforms, leveraging Cilium, eBPF, and Isovalent Enterprise for Cilium to meet demanding business needs.

Strong automation and cloud-native expertise are required. Collaborate with security, infra, and application teams to ensure reliability, compliance, and observability across production

Qualifications

• Bachelor's degree in computer science, information technology, engineering, or equivalent practical experience.
• Minimum 5 years managing Kubernetes-based container platforms with OpenShift.
• Deep knowledge of Kubernetes networking concepts and CNI frameworks.

Responsibilities

• Design, deploy, administer, and optimize enterprise OpenShift platforms across environments.
• Manage Kubernetes clusters with high availability, scalability, performance, and security.
• Implement and troubleshoot container networking using Cilium, OVN-Kubernetes, and related stacks.
• Configure network policies, ingress, egress controls, and service connectivity.
• Deploy and support Cilium and Isovalent Enterprise for Cilium in enterprise Kubernetes.
• Leverage eBPF to improve security, observability, and performance.
• Develop automation for provisioning, upgrades, patching, and lifecycle management.
• Collaborate with security, infra, and app teams to ensure stability and compliance.
• Monitor platform health and performance, identifying optimization opportunities.
• Produce technical docs, runbooks, and architectural standards.

Skills

OpenShift administration

Kubernetes networking

eBPF

Cilium

Isovalent Enterprise for Cilium

Terraform

Ansible

Cloud native platforms

Education

Bachelor's degree in Computer Science or equivalent

Tools

Terraform

Ansible

OVN-Kubernetes

Argo CD

Flux

Job description

LTM Limited in Warsaw seeks a Senior OpenShift Platform Engineer to lead enterprise OpenShift and Kubernetes networking efforts. You will design, implement, and operate scalable, secure container platforms, leveraging Cilium, eBPF, and Isovalent Enterprise for Cilium to meet demanding business needs.

Strong automation and cloud-native expertise are required. Collaborate with security, infra, and application teams to ensure reliability, compliance, and observability across production