Mid/Senior OpenStack Engineer

Are you looking for a place where your work truly matters? At CloudFerro, we build technologies used every day by Europe’s leading scientific and space organisations, including ESA, EUMETSAT, ECMWF, Mercator Ocean International, DLR, and EGI. Working closely with the Earth Observation sector, you will directly contribute to better understanding and analysis of our planet. If you are passionate about modern technologies, large-scale data environments, and want to grow your skills in a place where your work has real impact - we are the right team for you.

For more information, visit: www.cloudferro.com

We are currently looking for a Engineer with hands-on, production-grade OpenStack experiencewho is comfortable working in large-scale cloud environments and can diagnose and resolve complex infrastructure issues. We are seeking a mid/senior-level engineer with experience in maintaining, upgrading, and tuning OpenStack, familiarity with automation and monitoring tools, and strong proficiency in working with Linux and IaC.

Your responsibilities will include:

• Designing and developing cloud environments, including testing, tuning and creating new functionalities for customers worldwide.
• Resolving complex system issues, including critical “0-day” incidents.
• Standardizing and automating infrastructure across large-scale environments.
• Establishing system best practices and contributing to long-term architectural improvements.
• Collaborating with SysAdmins and Development teams on system and network configuration as well as ongoing administrative operations.

Team technology stack:

• Openstack (including OVN, OVS), Ceph, Kubernetes, Linux, Cummulus Linux, Terraform, Docker, Ansible, Git, GitlabCI, Jenkins, Nginx, Prometheus, Zabbix, Apache, Grafana, Redis, RabbitMQ, MySQL, PostgreSQL, programming languages: Python, C, C++, Golang, Bash.

What we are looking for:

• Deep, production-grade knowledge of OpenStack, including various deployment and upgrade methods.
• Experience administering Linux operating systems, including Python and Shell.
• Familiarity with IaC tools such as Ansible, Git, Terraform, and Kolla/Kolla-Ansible.
• Strong analytical thinking and problem-solving skills.
• Fluency in English.

An additional advantage will be:

• Practical experience building Software-Defined Data Centers, including Bare Metal provisioning.
• Knowledge of SDN technologies such as Contrail/Tungsten Fabric, supported by real deployment and maintenance experience.
• Ability to develop OpenStack services, demonstrated through upstream commits (high-quality code, community collaboration, lifecycle understanding, tooling).
• Experience building and maintaining large-scale OpenStack clouds (minimum several hundred compute nodes).
• Ability to scale and tune OpenStack or Ceph across multiple dimensions.
• Experience working with MySQL/PostgreSQL, including high availability and replication techniques.
• Knowledge of DevOps practices and tools.

What do we offer?

• Developing interesting projects based on space exploration.
• Working with the best specialists in your field.
• Challenging work with new technologies with a full IT background.
• Opportunity to implement your own ideas and projects.
• Informal and friendly working atmosphere in the office by the Vistula River.
• Attractive remuneration based on stable forms of employment.
• Employee benefits such as medical care, multisport, life insurance.