(Senior) Software Engineer

vor 2 Wochen

Essen, Deutschland Secunet Security Networks AG Vollzeit

Our mission is to lead the transformation to a company-wide platform approach by developing and maintaining shared infrastructure and services as strategic assets. We enable scalable, efficient product development and foster innovation across the organization, empowering teams to deliver value faster and more effectively. We provide the technical means to develop entirely new product classes.Our team of highly motivated software engineers focused on cutting-edge, security-focused technologies and a DevSecOps platform that supports the entire lifecycle of our products. We deliver measurable business impact by enabling faster time-to-market, reducing development costs, and improving product quality through scalable and reusable services & components.To enable the product teams, we're building an operating system based on NixOS that is image-based, immutable, and puts a heavy emphasis on security and reliability. We leverage modern security features like dm-verity, Post Quantum Cryptography (PQC), systemd sandboxing, Secure Boot, Measured Boot via TPM2. We consider all aspects of the operating system starting from booting to bootstrapping trust in dynamic environments to providing secure networking.Our tech stackNixOS and thus Linux as the basis for our OSRust for all components we developNix as our meta build systemNixOS VM test framework as the basis for all our integration testsGitLab as the control plane for our developmentAufgabenDesign, develop, and integrate components for establishing trust (e.g. via SPIFFE) and securing network connections (e.g. mTLS, IPSec, Wireguard) in dynamic environmentsLeverage existing Open Source software to implement state of the art security featuresContribute fixes and improvements upstream in Open Source projects (e.g. Nixpkgs, Linux Kernel, systemd)Write automated tests (unit, integration, end-to-end) for each feature we ship to ensure consistent qualityContinually improve our CI process, integrating metrics and observability, with a keen eye for secure development processesSupport internal departments / teams in using our OS to build products on top of itProfilUniversity degree in computer science or a related field; alternatively, you have roughly equivalent experience to a university degreeMotivation to work on the leading edge of network security on the OS levelHands-on experience with networking concepts and protocols: VPN, firewalls, TCP / IP, Zero Trust and mTLSGood understanding of modern cryptography and its role in network securityHands-on experience and understanding of modern Linux featuresEnjoy continually learning about emerging software development practices like fuzzing, property-based testing, or reproducible buildsOpen Source enthusiast that already enjoys working upstream or is motivated to learn how toProficient in English (German is an optional bonus)Wir bietenA rare opportunity to build a developer platform from the ground upWork with a cutting-edge tech stack in an ambitious, high-impact environmentA clear product vision, lots of freedom to shape your work, and experienced teammatesFlat hierarchies, quick decision-making, and a strong engineering cultureFlexible working hours, remote options, and modern equipmentIf you are keen to work for a leading company of cyber security in a fair and trusting environment, you should immediately get in touch with us.JBTE_DE

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