About us

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.

Your Tasks

Are you passionate about databases and open-source technologies? Are you already a Cassandra Expert, or do you want to become one? Does the idea of working on one of the largest Cassandra installations in Germany excite you? Would you like to collaborate with experienced colleagues and implement innovative projects? If so, we have an exciting opportunity for you. Your tasks will include:

• Operating and administering the Cassandra infrastructure to ensure optimal performance and reliability.
• Consulting, planning, and implementing projects for updates, scaling, or resource management, driving the future of our database systems.
• Ensuring the availability and reliability of services and databases, maintaining the highest standards of uptime and performance.
• Proactively contributing innovative ideas to enhance efficiency, automation, security, and other critical aspects, making a tangible impact on our operations.
• Collaborating with cross-functional teams to drive continuous improvement and innovation, working with some of the brightest minds in the industry.

We Appreciate

Have you completed a technical degree or comparable training and have several years of relevant experience? Are you eager to work in a highly professional team on a database system with the highest security standards for over 42 million customers? Join us and be part of a community where your expertise will make a significant impact! Enjoy the opportunity to work on cutting-edge projects, grow your skills, and advance your career in a supportive and innovative environment. The following skills and experiences will maximize your chances:

• Extensive experience in the architecture, administration, and optimization of distributed database systems, particularly NoSQL databases, ideally Cassandra.
• Proficiency in operating, creating, and scaling highly available database solutions, as well as infrastructure automation (Puppet, Ansible) and monitoring (Prometheus/Grafana).
• Experience with programming languages (e.g., Python, Go, Ruby, Bash), familiarity with Git and CI/CD pipelines, and ideally experience with technologies such as Docker, Kubernetes, and ElasticSearch.
• Excellent analytical skills with the ability to quickly identify and resolve issues in a production environment.
• Strong communication and teamwork skills, with a proactive approach to problem-solving and innovation.

What else we would like to tell you

• Our corporate culture: No dress code, flat hierarchies, open and transparent communication.
• Individual development opportunities: diverse training courses, e-learning and internal communities, language courses, mentoring.
• Events: Slack Days, open source projects, meet-ups.
• Relocation service: support with the relocation to Germany.
• Benefits and additional services: company pension scheme, capital-forming benefits, discounts on own products, job ticket, bike leasing, corporate benefits portal.
• Attractive working conditions: 30 days holiday, hybrid working, full-time and part-time arrangements, free choice between Linux, Mac, or Windows.
• Social: team events, summer and winter parties, family and care service, sports and fitness programmes, subsidised canteen, free fruit and drinks, health courses.
• Topics that are also important to us: Sustainability, diversity, and our values and leadership principles - find out more on our website mail-and-media.com.