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Senior Sales Engineer

Role overview

Qualifications

  • Deep understanding of AI inference systems and GPU-backed infrastructure
  • Experience with LLM workloads and performance-sensitive environments
  • Experience with inference frameworks and libraries (e.g., vLLM, SGLang, TensorRT-LLM)
  • Commercial awareness and ability to reason about latency, throughput, and cost tradeoffs

Responsibilities

  • Lead deep technical discovery with engineering teams to translate customer ambition into production-feasible architecture and identify hidden risks early
  • Partner with Sales on strategic deals, influence deal strategy through architectural clarity, and increase PoC-to-production conversion by ensuring technical realism
  • Define measurable PoC success criteria (latency, throughput, cost) and drive Go/No-Go decisions, aligning resources accordingly
  • Identify recurring configuration patterns across customers and surface insights to Product/Engineering to evolve platform capabilities based on real workloads

About the company

Nebius Group logo

Nebius Group

Cloud Computing & Infrastructure (IaaS/PaaS)

Nebius Group is building one of the largest commercially available AI infrastructure businesses, based in Europe. Our core business is an AI-centric cloud platform built for intensive AI workloads. We are building full-stack infrastructure to service the explosive growth of the global AI industry, including large-scale GPU clusters, cloud platforms and tools and services for developers. Our headquarters and main R&D presence is in Amsterdam, with additional R&D and commercial hubs in Europe, North America and Israel. Our businesses operate and serve customers on four continents. Our name reflects our mission and values as a company. Combining nebula, the Latin word for cloud, with a reference to the endless Möbius strip, the name Nebius embodies our belief in the endless possibilities offered by cloud technologies. In addition to our core AI infrastructure business, we are developing three other businesses that operate under their own distinctive individual brands: • Toloka AI – a data partner for all stages of AI development from training to evaluation; • TripleTen – a leading edtech player in the US and certain other markets, re-skilling people for careers in tech; • Avride – one of the most experienced teams developing autonomous driving technology for self-driving cars and delivery robots. The group is led by Arkady Volozh, the entrepreneur and visionary co-founder of Yandex.

Company details

IndustryCloud Computing & Infrastructure (IaaS/PaaS)
Company size1001 - 5000

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Job description

Why work at Nebius
Nebius is leading a new era in cloud computing to serve the global AI economy. We create the tools and resources our customers need to solve real-world challenges and transform industries, without massive infrastructure costs or the need to build large in-house AI/ML teams. Our employees work at the cutting edge of AI cloud infrastructure alongside some of the most experienced and innovative leaders and engineers in the field.

Where we work
Headquartered in Amsterdam and listed on Nasdaq, Nebius has a global footprint with R&D hubs across Europe, North America, and Israel. The team of over 1400 employees includes more than 400 highly skilled engineers with deep expertise across hardware and software engineering, as well as an in-house AI R&D team.

The role 

We are building a high-performance AI inference platform for developer-native teams running latency- and cost-sensitive workloads at scale.

In AI infrastructure, PoC success does not always guarantee production success. This role exists to ensure that what we commit to with customers is scalable, efficient, and aligned with platform strategy.

We are looking for a Senior Sales Engineer to become a foundational technical partner to our customers and a force multiplier for Sales and Engineering. You will shape complex AI workloads from first discovery through production feasibility validation, ensuring technical rigor, economic viability, and scalable architecture decisions.

You will operate at the intersection of customer ambition, engineering reality, and commercial growth, influencing:

  • Revenue quality
  • Engineering focus
  • Product evolution
  • Customer trust at scale

You’re welcome to work remotely from the United States.

Your responsibilities will include: 

Strategic Technical Discovery

  • Lead deep technical discovery with engineering teams and technical founders
  • Understand model requirements, traffic expectations, latency constraints, GPU economics, and system dependencies
  • Translate customer ambition into production-feasible architecture.
  • Identify hidden technical risks early

Commercial Acceleration

  • Partner tightly with Sales on strategic deals
  • Influence deal strategy through architectural clarity
  • Prevent misaligned commitments before engineering allocation
  • Increase PoC-to-production conversion by ensuring technical realism

PoC Architecture & Validation

  •  Define measurable success criteria (latency, TTFT, throughput, cost envelope)
  • Classify workload complexity and required optimization depth
  • Align appropriate resources (ML Solution Architects, engineering, GPU capacity, etc.)
  • Drive structured Go / No-Go decisions
  • Prevent uncontrolled customization or hidden R&D

Pattern Recognition & Platform Leverage

  • Identify recurring configuration patterns across customers
  • Quantify demand for advanced optimizations (quantization, speculative decoding, etc.)
  • Surface structured insights to Product and Engineering
  • Help evolve platform capabilities based on real workload data

We expect you to have: 

  • Deep understanding of AI inference systems and GPU-backed infrastructure
  • Experience with LLM workloads and performance-sensitive environments
  • Experience with inference frameworks and libraries (e.g., vLLM, SGLang, TensorRT-LLM).
  • Ability to reason about latency, throughput, cost, and architecture tradeoffs
  • Strong customer presence with engineering-first organizations
  • Comfort challenging assumptions and pushing back constructively
  • Commercial awareness – you understand that engineering time is a strategic resource

Preferred Technical Stack

  • Programming Languages– Python
  • Frameworks and Libraries– vLLM, SGLang, TensorRT-LLM, OpenAI/Anthropic SDKs
  • Frameworks for Agentic Pipelines : Langchain / Langsmith / smolagents / equivalent
  • API and Web Frameworks– FastAPI, Flask
  • MLOps and DevOps tools– Kubernetes (K8s), Docker, Git
  • Cloud Platforms– AWS (SageMaker, Bedrock), GCP (Vertex AI), Azure (Azure ML)

What Success Looks Like

  • Strategic deals are technically sound before engineering engagement
  • PoCs are clearly scoped and economically justified
  • Engineering capacity is allocated predictably
  • Conversion to production improves
  • Customers view you as a trusted architectural advisor

Key employee benefits in the US:

  • Health insurance: 100% company-paid medical, dental, and vision coverage for employees and families.
  • 401(k) plan: Up to 4% company match with immediate vesting.
  • Parental leave: 20 weeks paid for primary caregivers, 12 weeks for secondary caregivers.
  • Remote work reimbursement: Up to $85/month for mobile and internet.
  • Disability & life insurance: Company-paid short-term, long-term and life insurance coverage.

Compensation

We offer competitive salaries, ranging from $152k - 228k base + RSU's and performance bonus's.

What we offer 

  • Competitive salary and comprehensive benefits package.
  • Opportunities for professional growth within Nebius.
  • Flexible working arrangements.
  • A dynamic and collaborative work environment that values initiative and innovation.

We’re growing and expanding our products every day. If you’re up to the challenge and are excited about AI and ML as much as we are, join us!

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MR

Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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