Senior Linux Platform Engineer (m/f/d)

Start date: asap 
Latest Start date: 01.06.2026
End date: 12-months contract (with the chance for extension)
Workload: 80-100%
Contract Type: Contracting
Location: Rotkreuz

Your Tasks:

•  Architect and Engineer our Core OS Platform: Take ownership of our custom Debian-based distribution. This includes everything from kernel customization and driver integration to the creation, maintenance, and optimization of Debian packages.
• Master the Build and Release Pipeline: Evolve and improve the infrastructure and
  processes used to build, test, and release our Linux distribution, ensuring reliability and reproducibility.
• Be the Ultimate Escalation Point: Act as the go-to expert for complex, low-level system issues. Perform deep-dive troubleshooting, debugging, and root-cause analysis across both software and hardware.
• Consult and Empower Development Teams: Guide internal project teams on how to best leverage the Roche Linux platform.
• Proactively Drive Improvement: Constantly seek out opportunities to enhance our
  distribution, tools, and processes. Whether it's improving system performance, strengthening security, or automating a complex workflow, you will be expected to identify needs and champion solutions.

Your Profile:

• Deep, Hands-On Linux Mastery (10+ years): You are a seasoned professional who is
  comfortable across the entire Linux stack.
• Custom Distribution Engineering: Proven, extensive experience building, modifying, or maintaining a customized Linux distribution, with a strong preference for Debian (e.g., using tools like debootstrap, molior, aptly).
• Expertise in Debian Packaging: You don't just apt-get install. You can create, patch,
  and maintain .deb packages from scratch, understanding policy, dependencies, and best practices.
• Strong Scripting and Automation Skills: Fluency in Python and Shell scripting is essential for building tools and automating system tasks. 
• Fundamental Systems Knowledge: A solid grasp of operating system theory (processmanagement, memory, filesystems), software build systems (make, CMake), and the full testing and packaging lifecycle.
• Advanced English is mandatory; German is a welcome bonus.

Nice to Have:

• Proficiency in a systems programming language like C or C++.
• Experience with embedded systems, the ARM platform, hardware drivers, and low-level hardware/software integration.
• Knowledge of modern infrastructure: Virtualization (KVM), Containers (Docker, Kubernetes), CI/CD pipelines, and Infrastructure as Code (Terraform).
• Experience with cloud platforms (e.g., AWS).