Administrator DevOps/IT operations (m/f/d)

As part of the ELFIN Group, a medium-sized group of companies with around 160 employees in Germany, we offer interesting and challenging tasks in a dynamic high-tech environment and growing business. Our employees can develop their talents, develop further and make a valuable contribution to achieving our goals. In the heart of Cologne, we are passionate about developing various smart products for the elevator industry, digital signage, computer vision and building automation. With our products, we connect elevators to the building network and the cloud, guide people through the building and improve elevator safety and emergency call communication for people with disabilities. We are constantly developing the hardware and software of our smart gateways and networked multimedia displays and are happy to show courage in our pursuit of technical innovations. This is how we became the technological market leader in this segment. We would like to further expand this technological lead and are therefore looking for someone to join our team who, like us, enjoys developing smart systems and the latest technologies.

For the maintenance and further development of our server landscape, we are looking for an experienced person for our location in Cologne:

Administrator DevOps/IT operations (m/f/d)

What you’ll do:

You will actively participate in the development – and continuing further development – of our cloud infrastructure and our continuous integration/deployment set-up. You will deal with self-hosted containerisation, virtualisation and server administration. In the team, you will use your know-how to support others in using the infrastructure.

In addition, you will take over the support of our IT infrastructure. Here your duties will include the care and maintenance of NAS systems, dated IP telephony services, the printer, the network infrastructure, the backing up of our web pages and the administration of our virtualisation server. In our server and service landscape, we use and support the following technologies and tools, amongst others:


  • Gitlab
  • Docker/docker-compose
  • MQTT
  • MySQL server
  • Letsencrypt

IT infrastructure

  • Asterisk -QNAP
  • Firewall pfsense
  • QEMU

After an appropriate training period, you will independently assume responsibility for the coordinated, technical implementation of projects. You will evaluate new technologies as part of a team and will be involved in the decision regarding their use.

Key Qualifications:
  • You are familiar with administrative activities in the Linux environment, can handle a command line and shell scripts, and understand the responsible use of productive IT systems.

  • Degree in computer science or comparable training with professional experience or several years of experience as a server administrator in a Linux environment

  • Very good knowledge of Linux server administration and Docker

  • Passion for servers, services and containers – autonomy and commitment

  • Good knowledge of English

Preferred Qualifications:
  • Knowledge of Kubernetes
  • Familiarity with the concepts of Saas, IaaS, PaaS and their applicability
  • Dealing with Git
  • Experience with cloud services
  • Familiarisation with the job-specific environment
  • Flexible working hours and a warm corporate culture without a brute force mentality
  • Exciting and dynamic projects
  • A creative environment for the personal development of your strengths: The development of creativity and result-oriented work is more important to us than rigid rules and specifications
  • Attractive home office regulation: You are welcome to work at our main location in Cologne between the two crane houses, from home or sometimes on the beach in the south
  • Family team: We are always happy about a joint visit to the nearby Südstadt after work
  • High level of personal responsibility in an extensive project landscape
  • Subsidy for the JobTicket

You can start with us right away!

If you would like to tackle new technologies in a dynamic team and are not afraid of creating something that has never existed before, then please send your detailed application documents to If you have any questions, we are at your disposal.

We’re looking forward to receiving your applicati

The ELFIN technology Team

Our team is characterized by its motivated employees and the family atmosphere. Team spirit is very important to us! Visit our team page and get to know us.

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