Senior System Engineer (CloudGate) in Madrid, Madrid, Comunidad de at Jobgether

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior System Engineer (CloudGate) based in Spain.

This role offers the opportunity to work on advanced cloud networking solutions powering the next generation of AI infrastructure. As a Senior System Engineer, you will contribute to the development and optimization of high-performance network services within a large-scale cloud environment. You will design reliable systems, improve service scalability, and solve complex infrastructure challenges involving connectivity, traffic management, and distributed architectures. Working alongside experienced engineers, you will help build technologies that support demanding AI workloads and enterprise applications. The position combines deep systems engineering, networking expertise, and software development in a fast-paced international environment. You will have significant ownership and the opportunity to shape critical components of modern cloud platforms.

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.

Requirements:

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.

Benefits:

• Competitive compensation package.
• Career development opportunities with access to continuous learning.
• High level of ownership and flexibility in your work.
• Opportunity to work on impactful cloud infrastructure projects supporting AI innovation.
• Collaborative environment with talented international engineering teams.
• Exposure to cutting-edge technologies across cloud computing, networking, and artificial intelligence.
• Opportunity to contribute to solutions shaping the future of AI infrastructure.
• Inclusive and diverse workplace culture focused on trust, growth, and meaningful impact.