Junior Linux System Administrator

Heinlein Support Gmbh

Job

In this role, you monitor and administer the Linux infrastructure, create automation scripts, manage containers with Kubernetes, optimize CI/CD pipelines, and handle security-related access administration.

Job summary

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Job technologies

Your role in the team

  • You keep our systems running: You work together with our team on the administration and monitoring of our Linux infrastructure. In this role, you handle daily operational tasks and troubleshoot technical issues.
  • You automate what can be automated: You create and maintain scripts and Ansible playbooks. With OpenTofu or Terraform, you manage our infrastructure using code-based tools.
  • You ensure reliable deployments with us: You manage and optimize our CI/CD pipelines, for example in GitLab, and further develop our processes according to the GitOps principle.
  • You develop our container platforms: Together with the team, you build and operate Kubernetes and OpenShift clusters and monitor their status. You deploy containerized applications and analyze errors at the Pod and Node level.
  • You work on secure system access: You install, configure, and administer Keycloak as well as connected directory services. You integrate applications via OIDC, OAuth2, and SAML, maintain identity and access policies, and troubleshoot login and authorization issues.
  • You help keep our data available: You assist in the setup and operation of highly available database clusters as well as in the configuration and monitoring of their replication between data centers. This includes performance analyses, backup and restore tests, and failover scenario testing.
  • You take responsibility: You participate in paid on-call duty and help ensure the availability of our systems outside of regular working hours.

Our expectations of you

Education

  • You have a suitable background: You have completed IT training, such as as an IT specialist for system integration, or a degree in computer science.

Qualifications

  • You are familiar with Linux: You navigate very confidently on the command line, especially under SUSE and Debian, and you know the basics of permissions and networks.
  • You understand the technical fundamentals: You have basic knowledge of Kubernetes or OpenShift, Infrastructure as Code, and relational databases. The core concepts of database replication and tools like Ansible or OpenTofu are familiar to you.
  • You want to learn and think along: You enjoy familiarizing yourself with new technologies, systematically investigating errors, and keeping security and reliability in mind.
  • You contribute to the team: You communicate clearly, ask questions, and actively seek feedback. You speak fluent German and have good English skills.

Experience

  • You have gained initial practical experience: you are familiar with containers using Docker or Podman. You have already worked with Bash or Python as well as Git.
  • You have worked with authentication: you understand the fundamentals of Single Sign-on, OAuth2, and tokens, and have initial experience with tools like Keycloak.

What we offer

  • Our DNA and passion: Linux, open source, and data protection. Let's work together to make our clients' communication freer, safer, and thus digitally sovereign.
  • You can expect challenging and diverse tasks that continuously bring new insights. Knowledge exchange and transfer across all teams and levels are a matter of course for us.
  • We actively promote your professional and personal development. Open communication within the team is just as essential as internal and external training sessions, conferences, or coaching.
  • We enable you to balance work and family - for example, through flexibility and partial remote work. Oh, and overtime is not a given and will of course be compensated.
  • We are a family-run company with over 25 years of history. For our culture, this means a trusting environment, stability, and security. We are happy to involve you in the shared success of the company.

Benefits

Work-Life-Integration

Topics you will work on

Job locations

About your employer

Linux is our core competency, and we are true experts in this field. We always work diligently and passionately on the task at hand, and share our knowledge both internally and with our customers. Time for research and development is a regular part of our day-to-day. With us, you'll get the best possible Linux consultation!

Founding year
2004
Company type
Digital Agency
Work model
Onsite, Hybrid
Industry
Consulting · Internet, IT, Telecommunication
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Junior Linux System Administrator

Heinlein Support Gmbh