Senior DevOps Engineer — Kubernetes, CI/CD & Modernization

GEP

Toruń

Hybrid

PLN 240,000 - 300,000

Full time

6 days ago
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Job summary

GEP is seeking a senior DevOps engineer to lead a production platform at scale, focusing on security, reliability, and cost efficiency. You will modernize the stack by migrating stateful workloads to Kubernetes and moving the WebMethods Java platform to Kubernetes, while guiding other engineers and collaborating with platform architecture.

You will own end-to-end CI/CD for multi-service environments, improve scalability, and partner with R&D and service desks to resolve incidents and streamline

Qualifications

  • Strong hands-on experience with Linux administration, automation, and troubleshooting in production environments.
  • Strong experience with Ansible, Terraform, and infrastructure as code.
  • Strong experience with Microsoft Azure, including cloud infrastructure and networking.
  • Strong experience with scripting and automation using Bash, Python, and Groovy.
  • Solid experience with Kubernetes, containers, Helm, and GitOps-style deployment workflows.
  • Practical ownership of end-to-end CI/CD processes, including Git, Jenkins, container builds, artifact delivery, Argo CD, and multi-environment Kubernetes deployments.
  • Strong experience with observability and monitoring stacks, especially Prometheus-based monitoring and alerting.
  • Experience operating and troubleshooting complex production platforms with multiple microservices and integrations.
  • Experience with MySQL, PostgreSQL, Elasticsearch, Kafka, and RabbitMQ in operational or platform engineering contexts.

Responsibilities

  • Shape and improve the end-to-end CI/CD process for multiple Node.js and Java microservices, from source control and build pipelines to container images, Helm charts, Argo CD deployments, and Kubernetes environments across development, staging, and production.
  • Help prepare the platform for higher transaction volumes by improving scalability, reliability, and performance of core workloads and platform services.
  • Contribute to platform modernization initiatives, including migration of stateful workloads from virtual machines to Kubernetes and migration of the WebMethods Java platform to Kubernetes.
  • Drive practical improvements in security, maintainability, and cost efficiency across infrastructure and application delivery processes.
  • Work closely with developers, R&D teams, and the platform architect to troubleshoot issues, improve delivery processes and guide less senior team members.
  • Support daily operational responsibilities, including monitoring, incident handling, and technical support through collaboration channels and Jira with R&D and service desk teams.

Skills

Linux administration
Automation
Bash
Python
Groovy
Kubernetes
Containers
GitOps
Terraform
Ansible
Jenkins
Argo CD
Linux troubleshooting
MySQL
PostgreSQL
Elasticsearch
Kafka
RabbitMQ
Observability

Tools

Prometheus
Grafana
Jira
WebMethods

Job description

GEP is seeking a senior DevOps engineer to lead a production platform at scale, focusing on security, reliability, and cost efficiency. You will modernize the stack by migrating stateful workloads to Kubernetes and moving the WebMethods Java platform to Kubernetes, while guiding other engineers and collaborating with platform architecture.

You will own end-to-end CI/CD for multi-service environments, improve scalability, and partner with R&D and service desks to resolve incidents and streamline

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