Security Engineer - Software Development and Automation (f/m/d) - onsite or remote / home office

1&1 Mail & Media Applications SE | IT Security | Karlsruhe / Munich | Permanent | Full-time | Young professionals / Experienced professionals | Reference ID: 4300

  • Tasks that ignite your passion

    Are you passionate about software development and IT security? Do you have experience in application development, automation, and infrastructure? Are you interested in IT security, curious, and naturally inclined to continually educate yourself on both general technical and security-specific topics? Then join us as a (Junior) Security Engineer with a focus on software development and automation! Here, you will become part of our Security Engineering Team and contribute to making Germany's leading email and cloud providers, WEB.DE and GMX, even more secure.

    • You will drive strategic initiatives such as DevSecOps and Secure Product Lifecycle independently, always keeping your stakeholders in mind.
    • You will design concepts and develop tools that sustainably increase our security level.
    • You will simplify processes and reduce development effort by automating manual tasks.
    • You will further develop existing systems, operate them, and propose continuous improvement suggestions.

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

    You have completed a technical degree or a comparable education and have several years of experience in software development, ideally with a focus on IT security. You have a quick grasp of concepts and are always seeking even better solutions. You enjoy working hands-on, are a genuine team player, and thrive in a dynamic and complex environment. Then we look forward to receiving your application!

    • You possess a strong engineering mindset: problem-solving and continuous optimization are your passions.Your extensive technical knowledge spans across REST APIs, databases, protocols, operating systems, and distributed web applications.
    • You have experience with Python and JavaScript and enjoy working with various programming languages.
    • You have hands-on experience with concepts and technologies such as DevOps, CI/CD, IaaS, or Kubernetes. Keeping yourself updated is second nature to you.
    • You have some experience with security topics such as vulnerability analysis, SAST, DAST, secure coding, or hardening.
    • You are a true team player who leads by example at all times. You can communicate confidently in English and efficiently manage projects and stakeholders even in stressful situations.
  • 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, 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

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