OpenStack Engineer

At Grape Up, we build Cloudboostr – an EU sovereign open cloud foundation purpose-built for enterprise AI workloads. Cloudboostr integrates a production-grade OpenStack private cloud infrastructure, a Kubernetes runtime layer, and an AI governance and orchestration layer into a single platform built entirely on upstream open-source components.

As an OpenStack Engineer, you will be a core member of the Cloudboostr product team, developing the private cloud infrastructure layer that underpins everything else and deploying it in customer data centers and EU-based cloud environments across Europe.

Responsibilities

• Design, deploy, and operate enterprise-grade OpenStack environments as part of the Cloudboostr platform

• Build and maintain automated infrastructure provisioning, upgrade, and backup pipelines using Terraform and Ansible

• Ensure high availability, resilience, and performance of private cloud infrastructure across on-premises and EU-based deployment models

• Implement and maintain network architectures and network security policies

• Collaborate closely with the product team to ensure seamless integration between the Cloudboostr’s infrastructure, runtime and AI layers

• Participate in incident response, root cause analysis, and continuous improvement of infrastructure reliability

• Contribute to the evolution of Cloudboostr’s infrastructure architecture – your insights feed directly into the product roadmap

Requirements

• 3+ years of hands-on experience deploying and operating OpenStack in production environments

• Deep understanding of core OpenStack services

• Experience with Ceph for distributed storage

• Strong knowledge of Linux (Ubuntu preferred) system administration and networking fundamentals

• Experience with infrastructure-as-code using Terraform and configuration management (Ansible)

• Familiarity with CI/CD concepts and pipeline tooling

• Understanding of cloud security principles: network segmentation, IAM, secrets management

• Strong problem-solving skills and ability to operate independently in a product-oriented engineering team

• Fluency in English and Polish (min. C1 level)

Nice to have

• Experience with Kubernetes and understanding of how OpenStack and Kubernetes interoperate

• Experience operating OpenStack at scale across multiple physical sites or regions

• Experience setting up and configuring GPU-enabled nodes in OpenStack

Benefits of joining Grape Up

• Non-corporate work environment among experienced engineers

• Individual growth & development plan supported by cyclical feedback sessions

• Access to knowledge platforms (e.g. Pluralsight)

• Equipment of your choice

• Financing of conferences, external trainings, and certifications

• Language lessons (English, German and Polish for foreigners)

• LuxMed private medical care

• Weekly Lunch & Learn where we meet up in the office, lunch together, and share our knowledge

• Employee referral program

• Rewards for the success of the month and year awarded by our employees

• Special rewards for your years with us (G-Man)

• Integration activities