Are you passionate about developing cutting-edge Virtual Network Functions (VNF) for scalable, high-performance cloud systems?
We are looking for a talented VNF Software Engineer to join our team of experts.
In this role, you'll tackle complex technical challenges, work with the latest technologies, and contribute to building next-generation virtualized environments for firewalls, VPNs, load balancers, and more.
Your Role Develop and maintain modern, scalable Virtual Network Functions (VNF) for IONOS Cloud using Go (primary) or C/C++ .
Design and implement new features while integrating cutting-edge networking technologies such as Open vSwitch, OpenFlow, VXLAN, VRF, and eBPF.
Solve complex problems like distributed scalability, real-time traffic handling, and node optimization.
Collaborate with other teams to seamlessly integrate VNFs with IONOS products.
Work on architecture design, POCs, and decision-making for key features and enhancements.
Participate in daily stand-ups and a Kanban-based workflow to ensure smooth progress on projects.
What Makes This Role Exciting?
Technical Freedom: You'll have the autonomy to make design decisions and directly influence the architecture of critical VNF services.
Diverse Challenges: Work on scalable systems, virtualized infrastructure, and advanced networking technologies to tackle real-world customer needs.
Collaboration with Experts: Join a team of highly skilled professionals across domains such as Linux, networking, and cloud systems, where knowledge-sharing is highly encouraged.
Continuous Learning: Access a wealth of resources, including training videos, recommended books, and opportunities to deepen your knowledge in Go , Kubernetes , and advanced networking.
What You Bring to the Table 3+ years of experience in software/system development.
Advanced programming skills in Go (mandatory) and/or C/C++ .
Familiarity with Go frameworks/tools like Gin , Echo , gRPC , or Go modules is a plus.
Strong Linux experience, including knowledge of GNU toolchains (gcc, gdb, make), CLI, and system administration.
Solid understanding of the TCP/IP protocol stack and technologies like OpenFlow, VPP, and DPDK.
Hands-on experience with Kubernetes , containerization tools, and virtualization technologies (KVM, QEMU, VirtIO).
Experience with Linux Kernel internals , eBPF, and troubleshooting distributed systems.
A problem-solving mindset and enthusiasm for collaborating in a team-oriented environment.
What Your Daily Work Looks Like Morning Stand-Ups (CET/Berlin time): Share updates, discuss progress, and collaborate with the team.
Dive into development: Write code, design scalable systems, and implement features that solve real-world problems.
Work in a Kanban workflow , focusing on creative problem-solving and iterative progress.
Collaborate with other teams on integration projects, ensuring smooth and efficient delivery of VNFs.
Participate in design reviews and knowledge-sharing sessions with team members to improve systems and solve challenges together.
Your Development Journey Training Resources: Access videos, documentation, and books focused on Go , Kubernetes , and networking.
Collaboration with Experts: Work alongside professionals with deep technical expertise in areas like Linux systems, networking protocols, and cloud systems.
Opportunities for Exploration: Tackle POCs, explore new tools, and propose innovative solutions to advance our systems.
Why Join Arsys (IONOS Group)?
Cutting-Edge Technology: Work on projects involving virtualized environments, scalable systems, and advanced networking solutions.
Empowered Team: Enjoy the freedom to make technical decisions and shape the direction of our VNF products.
Flexibility: Remote-friendly role with the flexibility to manage your schedule while aligning with Berlin time.
Growth Opportunities: Engage in challenging projects that will push your technical boundaries and develop your expertise.
About Us IONOS is a leader in cloud infrastructure, providing businesses with tools to virtualize data centers, connect virtual storage, and create scalable, reliable solutions.
Our VNF Development Team builds virtualized environments that enable critical functionalities like firewalls, VPNs, and load balancers for our customers.