at 1 & 1 IONOS Cloud GmbH (view profile)
Location Berlin, Germany
Date Posted November 26, 2018
Category European Union - EU Blue Card Jobs
Germany - Residence Permit Visa Jobs
Job Type python
linux
linux-kernel
git
openvswitch

Description

With more than eight million customer contracts, 1&1 IONOS is the leading European provider of cloud infrastructure, cloud services and hosting services. From VPS to bare metal servers to high-end IaaS solutions: 1&1 IONOS offers medium-sized and large companies all the products they need to build their hybrid or multi-cloud environments and is the only IaaS cloud computing provider in Germany with its own code stack. With over 90,000 servers, 1&1 IONOS operates one of the world's largest and highest quality IT infrastructures. In Crisp Research's Cloud Vendor Universe, 1&1 IONOS has repeatedly been recognized as one of the leading providers of cloud platforms.

The Enterprise Cloud of 1&1 IONOS is the "Cloud - Made in Germany" with self-developed, data protection-compliant IaaS platform for companies, system houses/integrators and managed service providers. It is flexibly scalable and offers free 24/7 support by qualified system administrators. During operation, the capacity of all components can be adapted to current requirements thanks to Live Vertical Upscaling.

1&1 IONOS was created in 2018 from the merger of 1&1 Internet with the Berlin-based IaaS provider ProfitBricks and is part of the listed United Internet AG.

Become a part of our team and apply as:

Senior Software Developer (m/f) - Virtual networking

Your responsibilities:

  • Optimize, debug, and fine tune the SDN stack on our cloud platform
  • Discuss and drive the design of new virtual network features in the open source community
  • Submit bug fixes and enhancements to open source projects, such as the Linux Kernel and Open vSwitch
  • Review code written by other engineers
  • Improve the current build systems and test frameworks
  • Communicate and coordinate dates, deliverables, feature requirements, roadmaps, etc.

Your qualifications:

  • High proficiency in programming with C
  • Experience in Linux device driver development and knowledge of Linux Kernel internals and Linux networking stack
  • Proven experience in Open vSwitch
  • Strong knowledge of x86 architecture, experience in Kernel debugging, ability to read x86_64 assembler
  • Deep knowledge of IPv4/IPv6, TCP networking protocols
  • Experience with Linux user space and system development tools and processes (git, gcc, gdb, etc.)
  • Programming experience in Python
  • Bonus: Experience in Linux virtualization stack (KVM, QEMU, VirtIO)
  • Basic knowledge of InfiniBand
  • Developed publically available source code from kernel upstream or

Visa Assistance

Open to assisting the right candidate with the following Visa(s) / Work Permit(s)

1) European Union - EU Blue Card Jobs
2) Germany - Residence Permit Visa Jobs

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