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Posted Sep 29, 2026
Karlsruhe
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Salary in the ad
€60,000 to €83,000
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With our strong brands GMX, WEB.DE and mail.com and over 42 million active users, we are the leading email and communications platform in Germany, Austria and Switzerland. From this strong market position, services and apps are developed that simplify users' digital lives - from office tools and cloud solutions to personal ID management.
Are you passionate about everything related to cloud engineering? Are you motivated to build our private on-premises Kubernetes cloud platform on bare-metal servers with over 85,000 CPU cores, servicing our more than 42 million users? Do you want to join us in developing this infrastructure, which is now one of the largest private Kubernetes clouds in the world? Then join our team.
Do you have a degree in technical studies or a comparable education? Are you familiar with Kubernetes, Python, Prometheus, Puppet, and GitLab CI in a highly scalable, high-traffic environment? Are you passionate about automation and complex tech stacks? Are you a software developer with a high affinity for operations or an operations engineer? Then we are looking forward to your application!
Our Benefits
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, free internal sports and fitness classes, 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.
We show an excerpt and a link, and the full text when the source allows it. Brands and logos shown belong to their owners.
Broad estimate: €44,000–€58,000/year
Randstad Deutschland GmbH & Co. KGKarlsruhe
Kununu 3.3 (3.9K)
Workwise GmbHKarlsruhe
Glassdoor 4.4 (23)Kununu 4.2 (328)
Broad estimate: €44,000–€58,000/year
€65,000 to €85,000/yr
Source: Statistisches Bundesamt (Destatis), table; dl-de/by-2-0; StarIn's calculation
