Linux System Administrator / DevOps Engineer (m/f/d)

We, NetCologne IT Services, are a subsidiary of the regional telecommunications provider NetCologne. As a reliable strategic partner from Cologne, we provide companies and schools with innovative ITK technologies and offer them advanced solutions for their digitalization.

From IT strategy consulting to building up to service and support of complex IT infrastructures, we offer everything from a single source. In addition, after the ITIL framework, we are responsible for the acquisition of the IT company of our customers - through our Cologne service desk or on site. From our modern, certified data center in Cologne, we offer innovative managed services, including individually tailored cloud computing solutions.

With our education services, we make school IT an enterprise IT. From IT infrastructure to cloud services, identity management, hardware & software to IT support, administration and training. With us, teachers and pupils receive everything for the modern classroom and thus have full control of digitalization.

You are the backbone of our IT services. Your focus is on the interface between classic administration and modern DevOps approach:

Virtualization and Containerization: You are responsible for the operation and optimization of virtual servers (Linux and Windows) and drive the modernization by Proxmox and Kubernetes School infrastructure: You provide Identity and SSO cloud platforms as well as learning management systems (e.g. Moodle) for schools and ensure smooth operation E-Commerce and Web: Providing high-availability Linux-based environments for our e-commerce customers (webshops) Network and security: support and optimisation of network infrastructure and firewalls to ensure the highest safety standards for our customers DevOps and Automation: You use container technologies and DevOps methods to automate deployments and increase efficiency Operations: Data backup, proactive monitoring and patch management of the entire environment are part of your routine

You have acquired a degree in computer science, an IT training or a comparable qualification You'll bring sound knowledge of the administration of Linux servers (Debian, Ubuntu, RHEL or the like) You have detectable experiences with Proxmox as well as a deep understanding of container orchestration with Kubernetes (K8s) You have experience with CI/CD pipelines, automation tools (e.g. Ansible, Terraform) and versioning (Git) You bring basic knowledge in Windows servers as well as solid knowledge in the area of network (TCP/IP, firewalls, routing) You work structured, solution-oriented and are a real team player We presume flowing German in word and font – other languages are welcome

You are expecting a variety of activities in the construction of the IT division in the NetCologne Group as well as an innovative and dynamic company with flat hierarchies aimed at growth.

In an exciting working environment with short decision paths, you are part of a friendly and highly motivated team. With individual development measures, we are happy to support you in shaping your professional goals.

An indefinite, economically secure and long-term oriented employment Regular internal and external training Flexible working hours and a home office control state-of-the-art office spaces according to the “New Work” concept as well as chill-out-& creative areas A monthly 25€ credit card for shopping and shopping An attractive grant for occupational retirement provision including individual advice by an external service provider A Germany ticket and JobRad offers for a comfortable journey to work Flat hierarchies and open communication A team kitchen and a canteen Regular team events 30 days holiday (on request can be chosen between 25 and 35 holiday days) + 4 days Weekly fresh fruit as well as coffee, tea and water so much you want