Senior System Engineer Linux Storage (f/m/d)

1&1 Mail & Media Applications SE | IT System Administration | Karlsruhe / Munich | Permanent | Full-time | Experienced professionals | Reference ID: 4342

  • Tasks that ignite your passion

    Are you motivated to support us as a "Senior System Engineer (f/m/d)" for our mail storage team? Are you passionate about helping to shape the storage backend of Europe's largest email provider? Are you interested in contributing to the development of our next-generation mail storage, ensuring reliability, scalability and innovation? Then you've come to the right place! Our multi-petabyte storage infrastructure has over 43 million active users and processes several thousand emails every second.

    • Work closely with the teams in our internal development and product management department. Together you will define the requirements that support our strategic goals.
    • Help develop our next-generation mailstore. Design it so that it can meet future requirements efficiently and flexibly.
    • Monitor capacity management and ensure that our storage infrastructure is adapted to customer growth and new product offerings.
    • Assist in the coordination and resolution of incidents.
    • Support us in solving the causes of failures and problems in a sustainable manner.

Advantages you enjoy

Lived corporate culture

Transparency, open communication and short decision-making processes

Wide range of further training

E-learning, seminars, conferences and mentoring

Renowned TEC-Campus

Conferences, lecture series, courses, open source projects, community meetings, user groups

Active health care

Sports and fitness classes, lectures, discounts at fitness and health centers, fresh fruit and drinks for free


Generous subsidy for job bike leasing and the job ticket

Flexible working models

Home office, mobile office, flexible working hours, trust-based working time arrangements

Financial benefits

Company pension scheme, discounts on our products and various leisure activities

Legendary events

Summer and winter parties, additional workshops and team events

  • Your qualifications which inspire us

    Have you already gained relevant experience as a "System Engineer (f/m/d)" in large, highly available Linux environments? Do you love automation and are you fascinated by large storage systems with rotating metal and SSDs? Then we look forward to receiving your application!

    • You have in-depth experience with distributed and highly available systems such as Ceph, Cassandra or Elasticsearch/Opensearch.
    • You are comfortable with bare-metal hardware as well as running applications in our on-prem Kubernetes platform, which is operated by our infrastructure team.
    • You are familiar with protocols other than HTTP and you are also familiar with ZFS.
    • You are familiar with automation and configuration management, know tools such as Puppet and Ansible and understand the principles of Continuous Integration/Continuous Deployment (CI/CD).
    • You have practical experience with OpenMetrics-based monitoring (Prometheus, VictoriaMetrics, Grafana) and can therefore not only plan resource requirements in advance, but also analyze and resolve problems. And if all else fails, you won't shy away from grep, sed and awk.
  • Good to know
    • Our corporate culture: „You“ culture and 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 2 days home office/week or remote work, 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

We are brand. With GMX, WEB.DE and and over 43 million active users, we are the leading email and communication platform in Germany, Austria and Switzerland.

We are future. Our services and apps simplify digital life from cloud storage to news and ID management.

You are at home. Your digital passion finds a professional home with us. Your strength makes us stronger, your expertise complements our ideas, your success becomes visible. Together we shape the digital future.

Diversity enriches. Different cultures, nationalities, genders, age groups, sexual orientations and religions as well as people with disabilities - we desire diversity and encourage it. Because only teams that reflect all facets of society offer the best framework conditions for creativity and make a company productive and distinctive. We value diversity and welcome all applications.

Apply now

We look forward to receiving your application, including your salary expectations and the reference number given above. Please use our online application form. If you have any questions about the position or the application process, please send us an email.

1&1 Mail & Media Applications SE
Recruiting & Candidate Management
Brauerstraße 48
D-76135 Karlsruhe

Job search