Principal Network Engineer - AI Infrastructure OperationsA continuación, encontrará un desglose completo de todo lo que se requiere de los posibles candidatos, así como la forma de presentar su candidatura. ¡Mucha suerte!AMERAbout NscaleNscale is the GPU cloud engineered for AI. We provide cost-effective, high-performance infrastructure for AI start‑ups and large enterprise customers. Nscale enables AI‑focused companies to achieve superior results by reducing the complexity of AI development. Our GPU cloud bolsters technical capabilities and directly supports strategic business outcomes, including cost management, rapid innovation, and environmental responsibility.We thrive on a culture of relentless innovation, ownership, and accountability, where every team member takes pride in their work and drives it with excellence and urgency. As an Nscaler, you’ll build trust through openness and transparency, where everyone is inspired to do their best work. If you join our team, you’ll be contributing to building the technology that powers the future.About The RoleThe Network Operations and Engineering teams at Nscale operate some of the most demanding networking environments in the industry, supporting tightly coupled GPU clusters where network performance directly impacts customer outcomes.We’re looking for aPrincipal Network Engineer – AI Infrastructureto provide technical leadership across Nscale’s high-speed networking domain.This role is focused on owning the reliability, scalability, and long-term evolution of our Infiniband and RDMA-based network fabrics. You will operate as a technical authority, influencing architecture, standards, and operational practices across teams while tackling the most complex network challenges in the platform.What You’ll Be DoingOwning the technical direction and operational strategy for Nscale’s AI interconnect networksDesigning, reviewing, and evolving large-scale Infiniband and RoCE fabric architectures to support future growth and workload demandsActing as the senior escalation point for the most complex network incidents,



guiding deep technical investigations and systemic fixesDriving cross-team initiatives to improve fabric reliability, performance predictability, and operational maturityDefining standards for hardware configuration, congestion control, routing, firmware lifecycle management, and change safetyPartnering with SRE, Compute Platform, and Network Architecture teams to influence end-to-end system designMentoring senior and mid-level network engineers, raising the bar for operational rigor and technical excellenceDriving measurable improvements in uptime, latency consistency, capacity efficiency, and incident reductionAbout You (Skills / Qualifications)10+ years of experience in network engineering, with deep focus on HPC, AI, or hyperscale data centre networkingExpert-level operational and architectural experience with Infiniband and/or large-scale RoCE fabricsDeep understanding of RDMA internals, congestion management, and fabric-level failure modesStrong expertise in modern data centre routing and control planes (BGP, OSPF, ECMP)Proven ability to debug and resolve cross-layer issues spanning hardware, firmware, kernel, and application communication librariesDemonstrated ability to lead complex technical initiatives across teams without direct authorityA systems-level mindset, balancing performance, reliability, scalability, and operational costNice to HaveExtensive experience with NVIDIA/Mellanox networking platforms in production AI or HPC environmentsDeep familiarity with distributed training frameworks and GPU communication patternsExperience designing network observability systems for high-cardinality, high-throughput environmentsPrior experience influencing platform or infrastructure strategy at scaleWhat We Can Offer YouAt Nscale, you'll find a collaborative, supportive,



and innovative environment where your contributions spark real impact. We're building something extraordinary, and we want you at the core.Highlycompetitive package(base + equity) withreviews every 12 months .Join thefastest-growing tech startup, your chance to push boundaries, collaborate with brilliant minds, and make your mark on cutting‑edge AI.Expect adynamic progression plantailored to your ambitions. Grow by trying new things, leading, challenging the status quo, and owning your impact, always with our full support.Human-First Flexibility:We treat you ashumans first. Our flexible workplace trusts Nscalers to deliver, giving you the autonomy to shape your day around life's moments.Join our thriving remote-first team. Geography is no barrier to impact or connection. We build seamless virtual collaboration, empowering you, wherever you work.We strongly encourage applications from people of colour, the LGBTQ+ community, people with disabilities, neurodivergent people, parents, carers, and people from lower socio-economic backgrounds.If there’s anything we can do to accommodate your specific situation, please let us know.The responsibilities outlined in this job description are not exhaustive and are intended to provide a general overview of the position. The employee may be required to perform additional duties, tasks, and responsibilities as assigned by management, consistent with the skills and qualifications required for the role.The range below reflects the base salary for the position. Actual compensation may vary based on job-related factors such as skill set, experience, education, and location. In addition to base salary, this role may be eligible for bonus, equity, and/or commission programs. Nscale may offer a competitive benefits package including medical, dental, vision, adaptable paid time off, parental leave, and retirement plan participation. xhfqzwm Salary Range$150,000 - $250,000 USDFor information on how Nscale handles candidate personal data, please see our Employee & Candidate Privacy Notice:Here.#J-18808-Ljbffr

📌 Principal Network Engineer - Ai Infrastructure Operations - $150,000 - $250,000 A Year - Remote (Barcelona)
🏢 Nscale
📍 Barcelona