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# System Engineer

- **Company:** Hbx Group
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Border Gateway Protocol, C++ (Programming Language), Cloud Computing, Computer Programming, Computer Networks, Distributed Systems, Multi-protocol Systems, Linux Kernel, Load Testing, Network Architecture, Routing, Network Administration, Network Protocols, Service-Oriented Architecture, Software Engineering, Subsystems, Cloud Platform System, Computer Network Technologies, Production Code
- **Published:** August 5, 2026
- **Apply:** https://www.adzuna.es/contact-us.html

## About the Role

The ideal candidate is an experienced systems engineer with strong software development skills and a passion for building reliable, high-performance infrastructure. You should have a solid understanding of networking concepts and be comfortable working with complex distributed systems.

 + Proven experience writing reliable, high-performance production code.
 + Strong programming skills in C, with willingness and ability to learn Go and C++.
 + Experience with network traffic routing and network infrastructure concepts.
 + Understanding of distributed systems, cloud environments, and service-oriented architectures.
 + Ability to analyze complex technical problems and develop scalable solutions.
 + Strong problem-solving skills with attention to performance, reliability, and maintainability.
 + Experience with VPP, DPDK, or the Linux kernel networking subsystem is a plus.
 + Knowledge of virtual networks, overlays, SDN, NFV, DPI, network protocols, routing, tunneling, BGP, or MPLS is considered an advantage.
 + Ability to successfully complete technical coding assessments as part of the recruitment process.

## Description

As a Senior System Engineer, you will be responsible for designing, developing, and improving core networking services that support large-scale cloud infrastructure. You will work on high-performance systems, ensuring reliability, scalability, and efficiency while collaborating with engineers across different technical domains.

 + Develop and maintain data plane components for advanced cloud network services.
 + Design and implement reliable, high-performance software solutions for large-scale infrastructure.
 + Improve service scalability, performance, and reliability through architectural enhancements and optimization.
 + Develop new service functionality, including support for additional endpoints and improved health-check mechanisms.
 + Optimize interactions between distributed services within a microservice-based control plane architecture.
 + Automate complex cross-service workflows to improve operational efficiency.
 + Perform load testing and analyze system behavior under high-traffic conditions.
 + Contribute to the evolution of cloud networking technologies, including connectivity, traffic delivery, and network management solutions.


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