Logo United Internet AG

System Engineer - Linux

New

Job

  • Level
    Experienced
  • Location
    Karlsruhe, Munich
  • Working Model
    Hybrid, Onsite
  • Job Field
    IT, System, DevOps
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment

Job Summary

In this role, you will be responsible for building and managing scalable Linux server infrastructures, automating tasks, and developing scripts for monitoring and logging services.

Job Technologies

Your role in the team

  • Are you passionate about Linux systems, automation, and scalable infrastructure? As a System Engineer, you'll help shape the backbone of one of Europe's largest email platforms—serving over 42 million users across WEB.DE, GMX, and mail.com.
  • Join a team that's building a European alternative to email and cloud services, committed to privacy, digital sovereignty, and operating under European law.
  • Do you enjoy working with Linux and modern automation tools? Are you excited by the idea of building reliable infrastructure that powers millions of users?
  • You build and manage Linux servers (primarily Debian) on bare-metal and virtualized platforms.
  • You operate core infrastructure services such as DNS, DHCP, PXE boot, and proxy systems.
  • You automate infrastructure tasks using tools like Ansible and Puppet.
  • You develop and maintain scripts in Python, Bash, or similar languages.
  • You enhance monitoring and logging systems using tools like Prometheus, Grafana, and ELK.

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Our expectations of you

Education

  • Do you have a degree in Computer Science, IT, or equivalent practical experience?

Qualifications

  • Are you confident in Linux system administration and passionate about automation and clean infrastructure?
  • Do you thrive in collaborative, agile environments?
  • Proficiency in automation and configuration management tools (Ansible and Puppet).
  • Strong scripting skills in Python, Bash, or similar languages.
  • Vertrautheit mit grundlegenden Infrastrukturservices wie DNS, DHCP, PXE und Proxies.
  • A proactive, team-oriented mindset and a passion for building reliable, scalable systems.

Experience

  • Solid experience in Linux system administration and infrastructure operations.

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What we offer

  • Lived corporate culture: Flat hierarchies, a culture of respect and appreciation, signatories of the Diversity Charter, open communication and no dress code.
  • Wide range of further training: Internal and external training opportunities, LinkedIn Learning, language courses, talent development programs, conferences and mentoring.
  • TEC-Campus: Free choice between Linux, Mac, or Windows, slack days, conferences, lecture series, courses, open-source projects, community meetups and user groups.
  • Active health care: Wellpass, health days, family & care support services, discounts at fitness centers, mental health first responder, fresh fruit and drinks for free.
  • Mobility: Subsidy for job bike leasing, job ticket, and relocation service if you live outside Germany.
  • Flexible working models: Home office options, flexible working hours and 30 days of vacation with the option for additional unpaid leave.
  • Financial benefits: Corporate benefits, company pension scheme, capital-forming benefits, occupational disability insurance and various partner discounts.
  • Events: Summer and winter parties, sports tournaments and team events.

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Benefits

Work-Life-Integration

Health, Fitness & Fun

Food & Drink

Topics You Will Work On

Job Locations

  • Location Munich

    Bayern

    Germany

  • Location Karlsruhe

    Baden-Württemberg

    Germany

About Your Employer

United Internet AG

United Internet AG

As the leading provider of communication solutions in Germany, we offer our users a safe and reliable way to communicate with our strong brands: 1&1, GMX, WEB.DE, and mail.com—despite handling 500 million incoming emails every day!

Description

  • Company Type
    Established Company
  • Working Model
    Full Remote, Hybrid, Onsite
  • Industry
    Internet, IT, Telecommunication

Employer reviews

by devworkplaces.com

Total

(1 Review)
3.4
  • Engineering

    3.3
  • Workingconditions

    3.8
  • Career Growth

    3.2
  • Culture

    3.2
Show all reviews
Logo United Internet AG

System Engineer - Linux

Location
Karlsruhe, Munich
Working Model
Hybrid, Onsite
Diversity
Open for all genders

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