(Senior) DevOps Engineer (f/m/d)

GMX, WEB.DE & mail.com | IT System Administration | Karlsruhe / Berlin / Munich | Permanent | Full-time | Experienced professionals | Reference ID: 255

  • Your tasks

    Are you passionate about DevOps and eager to make a real impact in an agile, technology-driven environment? Join our cross-functional team of Operations Engineers, Software Developers, and QA experts as a System Engineer to develop and operate the central login infrastructure for WEB.DE, GMX, and mail.com. Your work ensures the security and availability of services that handle billions of requests daily for over 42 million users.

    Are you excited by the idea of working with cutting-edge infrastructure technologies? Do you enjoy automating systems and ensuring high availability in large-scale environments?

    • Operate and optimize our platforms in the company’s own data centers, ensuring high availability and performance through proactive system monitoring and troubleshooting with Prometheus, Grafana dashboards, and Alertmanager.
    • Continuously improve infrastructure scalability and reliability by automating deployments and infrastructure provisioning using Infrastructure as Code concepts (e.g., Terraform, Ansible) and maintaining GitLab CI/CD pipelines.
    • Collaborate closely with software development and platform teams as the technical interface, supporting application rollouts, infrastructure requirements, and performance optimizations in Kubernetes.
    • Design, deploy, and manage NoSQL databases (e.g., Redis, Cassandra) in Kubernetes via StatefulSets, ensuring data persistence, resilience, and optimal resource utilization.
    • Drive innovation and evaluate emerging technologies through Slack Days and internal projects, piloting new solutions to enhance automation, observability, and platform reliability.

Our benefits

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

Mobility

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 profile

    You hold a degree in a technical field or have completed a comparable qualification, and you bring several years of relevant experience in system engineering. You’re looking to join a highly professional team that operates with the highest security standards and offers room for innovation and personal growth. Then this is the right place for you! We believe the following skills will make you successful in this role:

    • You are familiar with modern infrastructure technologies including Docker, Kubernetes, Cassandra, and ElasticSearch.
    • You have solid experience with Linux systems and automation tools such as Ansible or Puppet.
    • You are proficient in at least one programming language (e.g., Python, Ruby, Go, Java), combined with practical experience in Git-based workflows and CI/CD pipelines (e.g., GitLab CI).
    • You have excellent analytical skills and the ability to quickly identify and resolve issues in production environments.
    • Your strong communication and teamwork skills are paired with a proactive and solution-oriented mindset.
  • Our benefits in detail
    • 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.

We are brand. With GMX, WEB.DE and mail.com and over 42 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

jobs@mail-and-media.com

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