Mid/Senior OpenStack Engineer

CloudFerro Sp. z o; Warszawa; On-site; PLN 70,000 - 100,000; Full time

Benefits offered by this job

Medical care

Parking

Fresh fruit at work

Multisport membership

Chillout room

Job summary

CloudFerro Sp. z o in Warsaw seeks a talented individual to design, develop, and maintain cloud environments for high-impact clients. Your expertise in OpenStack and Linux systems will be crucial for solving complex challenges.

You will work closely with SysAdmins and develop cutting-edge technologies in a collaborative environment. We offer a rich benefits package, an attractive remuneration, and an informal workplace culture.

Qualifications

• In-depth knowledge of OpenStack deployment and upgrades required.
• Experience administering Linux operating systems necessary.
• Familiarity with IaC tools like Ansible and Terraform essential.

Responsibilities

• Design and tune cloud environments for global clients.
• Resolve complex system-related issues including zero-day problems.
• Collaborate on system configuration and maintenance.

Skills

OpenStack

Linux administration

Python

Ansible

Terraform

Strong analytical thinking

Fluency in English

Tools

Kubernetes

Docker

Git

Prometheus

Grafana

MySQL

PostgreSQL

Job description

Are you looking for a place where your work truly matters? At CloudFerro, we develop technologies used every day by European leaders in science and the space sector, including ESA, EUMETSAT, ECMWF, Mercator Ocean International, DLR and EGI. By working closely with the Earth Observation sector, you can make a real contribution to analyses and a better understanding of our planet. If you are interested in modern technologies, large datasets and an environment where you can develop your skills and make an impact, we are the right place for you.

What will your responsibilities include?

• Designing, developing, testing and tuning cloud environments, including creating new functionalities, for clients around the world.
• Solving the most complex system-related issues, including zero‑day problems.
• Standardising and automating infrastructure.
• Collaborating with SysAdmins and Development teams on the configuration, administration and maintenance of systems and networks.

Technologies we use:

• OpenStack, including OVN and OVS, Ceph, Kubernetes, Linux, Cumulus Linux, Terraform, Docker, Ansible, Git, GitLab CI, Jenkins, Nginx, Prometheus, Zabbix, Apache, Grafana, Redis, RabbitMQ, MySQL, PostgreSQL, and programming languages: Python, C, C++, Golang and Bash.

Requirements:

• In-depth, production-level knowledge of OpenStack, including various deployment and upgrade methods.
• Experience in administering Linux operating systems, including Python and Shell.
• Knowledge of IaC tools, such as Ansible, Git, Terraform and Kolla/Kolla‑Ansible.
• Strong analytical thinking skills.
• Fluency in English communication.

Additional advantages:

• Practical experience in building Software Defined Data Centers, including Bare Metal provisioning.
• Knowledge of SDN, such as Contrail/Tungsten Fabric, supported by implementation or maintenance experience.
• Experience in developing OpenStack services, supported by upstream commits, including writing high‑quality code, collaborating with the community, and understanding the lifecycle, tools and related processes.
• Experience in building and maintaining large-scale OpenStack clouds, with at least several hundred compute nodes.
• Ability to scale and tune OpenStack or Ceph across multiple dimensions.
• Experience working with MySQL/PostgreSQL databases, including high availability and replication techniques.
• Knowledge of DevOps practices and tools.

What do we offer?

• The opportunity to create new solutions from scratch and lead research and development projects.
• Collaboration with top specialists in their fields.
• Work in product teams focused on improving specific solutions.
• The opportunity to gain international experience in the space sector — one of the most promising markets of the 21st century.
• An informal and friendly working atmosphere in an office by the Vistula River.
• Attractive remuneration based on stable forms of employment.
• A rich benefits package, including medical care, parking, fresh fruit at work, Multisport, and a chillout room.