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Senior DevOps Engineer (Kubernetes)

Krakow| Lodz| Warsaw| Wroclaw
Reference number: SDEK/U

Working in cloud environments is becoming our everyday life, which gives us many benefits. As part of Comarch, we develop the Comarch Infraspace Cloud (CIC) platform based on Openstack, which allows us to quickly create environments using virtualization (IaaS) and ready-to-use services (PaaS).
One of the services that we intensively develop in the PaaS model is Kubernetes. Thanks to the work of our team, CIC platform’s users can quickly start deploying applications using Kubernetes.
Do you want to work with the latest technologies and carry out the development of the Kubernetes service in the cloud environment? Do you like to solve original problems and challenges and want to constantly develop? We are looking for engineers who are passionate about Kubernetes, the Openstack platform, new technologies and good DevOps practices who will be involved in the development of PaaS services within the Comarch Infraspace Cloud platform.
If you cannot imagine your daily work without Kuberentes, join our team today!

CANDIDATE PROFILE

• Bachelor degree in computer science or related field
• Practical experience (5 years) in administration of Linux operating systems (CentOS)
• Very good programming skills in Bash and Python scripting languages
• Practical experience (3 years) in containers technology (Docker, Podman)
• Very good knowledge of the Kubernetes cluster architecture and the Control Plane and Data Plane components
• Practical experience (3 years) in deployment, configuration and administration of the Kubernetes (Kubernetes The Hard Way)
• Practical experience (2 years) in administration of Openstack platform and its components
o Deployment, configuration and upgrade using TripleO
o Good knowledge of RabbitMQ event queue
• Work automation using Infrastructure as a Code (Ansible, Terraform) approach
• Designing and managing of CI/CD processes
• Knowledge of
o Networking (OSI Model/DHCP/ARP/DNS/NAT)
o Server’s virtualization
o Relational Databases and SQL
o GIT version control system
o Rest API
• Ability to think analytically
• Creative problem solving
• Very good communication skills and ability to work in a team
• Willingness to develop and acquire knowledge
• Fluent English
• Additionally appreciated
o Knowledge of Puppet automation tool
o Working with containerd or CRI-O
o Administration of Fedora CoreOS operating systems
o Knowledge of GitLab CI

YOUR RESPONSIBILITIES

• Providing the K8S service in PaaS Model as part of Comarch Infraspace Cloud (Private Cloud) using the Magnum module
• Extension of the K8S service (Magnum module) with new functionalities in the following areas:
o Scalability
o Efficiency
o High Availability
o K8S cluster upgrades (zero-downtime)
o Upgrades of K8S cluster’s operating systems (zero-downtime)
o Continuous upgrade of Control Plane components
• Develop of automatic tests of the K8S service (Magnum module) using CI/CD
• Support users of the K8S service in solving reported problems and issues
• Preparing and update documentation

FOR YOU

• Opportunity to work with the latest technologies
• Developing work in the R&D team
• Flexible working hours
• Working in a hybrid model (after the implementation period)
• No dress code
• Individual training and conference plan
• Access to private medical care for you and your family
• Opportunity to participate in actions and events promoting an active lifestyle
• Interesting tasks related to the latest technologies and IT solutions
• Facilities for cyclists (stands, changing rooms, bicycle rooms, repair station), and for those who reach work by car - ground and underground parking
• Passes for the entire round of Ekstraklasa for Cracovia fans and their families, as well as tickets to the ice rink
• Directly on our campus: iMed24 medical center, recreation area with swimming pool and gym, canteen

#comarch

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