Senior Networking Engineer (m/f/d) VPN (IPsec)
You want to work deep in the network stack and build the foundation for secure communication instead of just configuring systems? You are interested in how modern network security concepts like IPsec, mTLS, or Zero Trust are implemented on OS level – and want to actively shape them?
Then this role gives you the opportunity to combine system-level development, networking, and platform engineering in a forward-looking environment.
For our CTO Office, where we focus on topics such as technology and platform strategy, innovation and funded projects, IP and product management, as well as the development of our Software Factory and internal tooling landscape, we are looking for your support nearly 100 % remotely.
Leverage and integrate Open Source software and contribute improvements back upstream (e.g. Linux kernel, systemd, Nix ecosystem )
Design and implement robust testing strategies (unit, integration, end-to-end) to ensure long-term software quality
Support internal teams in using and building on top of our platform and OS components
Experience in software development with a focus on networking
Experience with modern software engineering practices such as automated testing, CI/CD, or observability
Experience with code reviews, debugging, and maintaining complex software systems
Linux, network stack, kernel-related or system-level components)
Proficiency in English (German is a plus, but not required), as our team language is English
Competitive salary: You can expect an annual target salary starting at €65,000 gross—and potentially higher depending on your qualifications and professional experience—consisting of an attractive base salary and a performance-based bonus.
Collaborate in teams that drive change—no matter how complex or extensive the projects are
We work on solutions that are game-changers—across all areas of IT security
Personal development: We grow together and support you with whatever you need to advance
Flexible Work: 12 locations in Germany, a shared desk model, trust-based working hours, and flexible part-time options. Great benefits on top: Look forward to bike leasing, a company fitness program, discounted commuter passes, Secudog, and much more