Nebius

Investigate and optimize GPU cluster performance, qualify hardware and configurations, troubleshoot escalations, and coordinate improvements across infrastructure, software, and hardware teams. | Requires 5+ years of system-level performance-focused software development, 3+ years of Linux administration and tuning, knowledge of server architecture and HPC, and proficiency in C, C++, Go, or Python. | About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. We are looking for a Lead Software Systems Engineer - GPU Performance to play a key role in building our hyperscaler platform, working across its core components while analyzing and optimizing the performance of large-scale GPU clusters at the intersection of hardware and software. You will operate across the full stack-from hardware and system software to networking (InfiniBand/RoCE), virtualization (KVM/QEMU), and distributed communication layers (e.g., MPI, NCCL). In this role you will • Focus on understanding system behavior across multiple layers, identifying performance bottlenecks, and driving improvements that shape how our clusters are built, operated, tuned, and validated. • Investigate and troubleshoot performance issues of GPU cluster under real workloads (training and inference) • Evaluate and integrate new hardware, system configurations and tuning approaches through software stack • Support complex performance-related escalations from internal teams and customers • Work closely with infrastructure, software engineering and hardware vendor teams (e.g. NVIDIA, Mellanox, Intel) • Contribute to hardware and cluster qualification (acceptance), ensuring systems meet performance expectations We expect you to have: • 5+ years of professional experience in system-level software development (focused on performance optimization, low-level programming). • 3+ years of hands-on experience with Linux systems (administration, troubleshooting, and performance tuning). • In-depth understanding of server architecture, including PCIe devices, NICs, Linux OS/Kernel, and high-performance computing (HPC) systems. • Strong proficiency in one or more performance-oriented programming languages (C/C++, Go, Python). We conduct coding interviews as part of the process. Key employee benefits: • 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. #LI-LH2 Pay Transparency We offer competitive compensation and benefits packages. Actual compensation will be determined based on job-related factors, including experience, skills, qualifications, the level at which the candidate is hired, and geographic location, consistent with applicable law. Base Compensation Range $170,000-$300,000 USD Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

Build Python automation and backend systems for provisioning, testing, and managing bare-metal servers and related infrastructure. | Requires professional Python, Linux and shell scripting, bare-metal infrastructure, networking, hardware management interfaces, CI/CD, and NoSQL experience. | About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role Nebius operates large-scale, mission-critical bare-metal infrastructure. As a Software Engineer (Python), you will design and build systems that provision, configure, test, and manage physical hardware at scale. Your work will sit close to the metal-interfacing directly with servers, networks, and management controllers-while supporting highly automated, reliable infrastructure operations. You will collaborate closely with hardware, networking, and data center operations teams to ensure our platforms are robust, scalable, and production ready. Your responsibilities will include: • Design and develop backend services and automation in Python • Build and maintain systems for hardware provisioning, testing, and lifecycle management • Develop software that runs directly on bare-metal environments • Integrate with Linux systems, using Bash and low-level tooling where needed • Implement and maintain CI/CD pipelines for infrastructure-focused software • Work with networking services including IPv4/IPv6, DHCP, DNS, network boot, and server boot workflows • Interface with BMC controllers and management protocols (IPMI-style protocols, HTTP-based standards) • Enable reliable hardware interaction and automation across large fleets • Support ARM64 / ARM64EC architectures • Design and integrate NoSQL data stores for system state and orchestration data • Write clear documentation and contribute to operational excellence What we expect you to have: • Strong professional experience as a software engineer, with a focus on Python • Solid experience with Linux systems and shell scripting • Hands-on experience working with bare-metal servers or low-level infrastructure Strong understanding of networking fundamentals (IPv4/IPv6, DHCP, DNS, PXE / network boot) • Experience interacting with hardware management interfaces (BMC, IPMI-like protocols, HTTP APIs) • Familiarity with CI/CD systems and production deployment workflows • Experience designing or working with NoSQL databases • Ability to debug complex issues spanning software, hardware, and networks • Strong ownership mindset and clear communication skills in a distributed team It will be an added bonus if you have: • Experience operating or building systems for large-scale infrastructure • Familiarity with ARM-based platforms in production environments • Background in hardware testing, validation, or factory provisioning • Experience with infrastructure automation or internal platform tooling • Contributions to open-source or internal systems software projects Working conditions: • Fully remote position (United States) • Collaboration with globally distributed engineering and operations teams Key employee benefits: • 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 $150k- $210k base equity + quarterly performance bonuses. Join Nebius today and help build the software that powers the next generation of AI infrastructure. Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

Lead customers’ AI workloads from proof of concept to production, addressing scalability, reliability, cost, performance bottlenecks, and incidents. | Requires 5–10 years of experience with AI inference frameworks, cloud infrastructure, distributed systems, AI/ML workloads, customer-facing technical support, and production performance troubleshooting. | About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role We're looking for a Senior Customer AI Engineer who will join our Token Factory team to help our customers successfully transition from proof-of-concept to production and scale their AI workloads on Nebius infrastructure. This role sits at the intersection of engineering, delivery, and customer success – ensuring that what was promised during pre-sales actually works reliably in production. You will work closely with customer engineering teams, Solution Architects, and Product/Infrastructure teams to drive stable, performant, and cost-efficient deployments. This role is NOT: A sales role (though you will support expansion through value) A pure support role (you won’t just react to tickets) A solution architect role (you won’t design systems from scratch) You’re welcome to work remotely from the United States. Your responsibilities will include: Own the production journey Lead the transition from PoC to production Ensure customer workloads are deployed, stable, and scalable Drive time-to-production and time-to-value Ensure technical success in production Understand customer architectures and use cases Monitor and improve: - performance (latency, throughput) - cost efficiency - reliability Identify and resolve bottlenecks proactively Act as a trusted technical partner Work directly with customer engineering teams Provide guidance on best practices and optimisation Translate technical challenges into actionable solutions Manage risks and incidents Act as a primary technical contact for production issues Coordinate with internal teams to resolve incidents Communicate clearly during high-pressure situations Drive continuous improvement Identify opportunities to optimise and expand usage Provide structured feedback to Product and Infrastructure teams Help shape better solutions based on real customer needs We expect you to have: Technical background Practical knowledge of inference frameworks (e.g. vLLM, TensorRT, or similar) Solid understanding of: - cloud or infrastructure systems - distributed systems or high-load applications - AI/ML workloads (LLMs, inference, etc.) is a strong plus Ability to troubleshoot and reason about system performance Customer-facing experience Experience working directly with technical customers (e.g. engineers, ML teams) Ability to communicate complex topics clearly and effectively Ownership & execution Strong sense of ownership – you drive outcomes, not just tasks Ability to manage multiple customers and priorities Structured, proactive, and solution-oriented mindset It will be an added bonus if you have: Experience with GPU workloads or AI infrastructure Background in solutions engineering, SRE, or technical support in B2B environments 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. Pay Transparency We offer competitive compensation and benefits packages. Actual compensation will be determined based on job-related factors, including experience, skills, qualifications, the level at which the candidate is hired, and geographic location, consistent with applicable law. Base Compensation Range $209,800—$262,200 USD Benefits & Perks: Competitive compensation Career growth and learning opportunities Flexibility and ownership Collaborative and innovative culture Opportunity to work on impactful AI projects International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

Own end-to-end hardware sourcing and supplier relationships, negotiate cost and delivery terms, coordinate data-center deployments, and build scalable supply-chain processes and dashboards. | Requires 8+ years in hardware supply chain, procurement, or strategic sourcing, including hands-on sourcing in specified data-center hardware categories and direct manufacturer or distributor negotiations. | About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role We are looking for a Senior Supply Chain Manager to own the hardware pipeline behind our data center buildout. You'll source strategically, negotiate directly with manufacturers, and build the processes and supplier relationships that let us scale. The function is still young - the systems you design now will define how Nebius buys hardware for years. Your responsibilities will include: • Own hardware sourcing end to end: from requirement and RFQ through negotiation, ordering, and delivery to data center sites in the US. • Manage supplier relationships across distributors, ODMs and manufacturers for servers and GPU racks, network equipment, optics and cables, mechanicals, power, and other data center IT equipment - and grow our qualified supplier base. • Run quote and total-cost analyses across vendors; drive pricing, lead time, and terms negotiations on high-value programs. • Work daily with engineering, finance, logistics, and data center operations to keep deployments on schedule. • Build the dashboards, tooling, and processes that make the supply chain function scale with the company We expect you to have: • 8+ years in hardware supply chain, procurement, or strategic sourcing, including hands-on sourcing in at least one of: network equipment (switches), optics and cables (transceivers, DAC/AOC), mechanicals (racks, rails, enclosures), or power (rack PDUs, power shelves, busbars). • A track record of negotiating directly with hardware manufacturers or distributors, with an existing supplier network. • Strong analytical skills - you compare quotes apples to apples, model total cost, and back decisions with data. • Comfort with ambiguity and speed: priorities shift, timelines are aggressive, and you'll often be building the process as you run it. • Clear communicator across technical and business teams. It will be an added bonus if you have: • Understanding of Netsuite. Why it matters: This is a rare opportunity to step in at a formative moment - to shape the systems and processes that will define how we scale. It's a high-impact role, visible across the company, and essential to our success. 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 $115K to $275K OTE, which includes base salary and performance bonus. Equity in the form of RSUs may be available at certain salary grades. What we offer • Competitive salary and comprehensive benefits package. • Opportunities for professional growth within Nebius. • Hybrid 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! Benefits & Perks: • Competitive compensation • Career growth and learning opportunities • Flexibility and ownership • Collaborative and innovative culture • Opportunity to work on impactful AI projects • International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

Manage procurement of mission-critical OFCI equipment including vendor selection, contract negotiation, and delivery oversight. | Bachelor's degree and 5+ years in technical procurement for mission-critical facilities with expertise in power and cooling systems. | About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role Nebius is looking for an OFCI Equipment Procurement Manager – Data Centers to be responsible for the technical and commercial procurement of Owner-Furnished, Contractor-Installed (OFCI) equipment for mission-critical data center facilities. The role ensures that long-lead, high-reliability power and cooling equipment meets stringent performance, redundancy, and availability requirements while aligning procurement schedules with construction, commissioning, and go-live milestones. This position reports to the Procurement Manager US Team Lead and is a remote position serving the geographically distributed projects for the company. Your responsibilities will include: Technical Scope & Engineering Coordination Define OFCI equipment scope in collaboration with data center design, engineering, and construction teams Review and validate technical specifications, single-line diagrams, layouts, and equipment datasheets with data center design, engineering, and construction teams Ensure compliance with data center design criteria (Tier levels, redundancy, fault tolerance, uptime targets) Manage technical clarifications, deviations, and vendor compliance matrices Vendor Selection & Technical Procurement Issue RFQs/RFPs for critical data center infrastructure equipment Lead technical and commercial bid evaluations with engineering stakeholders Conduct vendor technical interviews and design alignment workshops Negotiate contracts covering performance guarantees, availability, FAT requirements, delivery milestones, and warranties Critical Equipment Oversight Manage procurement and delivery of long-lead, mission-critical equipment, including: Electrical: generators, medium- and low-voltage switchgear, transformers, UPS systems, PDUs, busways Mechanical: chillers, cooling towers, CRAH/CRAC units, pumps, heat exchangers Controls & Monitoring: BMS, EPMS, SCADA, protection and control systems Manufacturing, FAT & Quality Control Monitor vendor engineering, manufacturing, and testing schedules Review vendor drawings, protection studies, and control logic Coordinate and participate in FATs, integrated systems testing (where applicable), and inspections Manage non-conformances, corrective actions, and technical change control Logistics, Site Delivery & Installation Readiness Develop logistics strategies for oversized and critical equipment Coordinate international shipping, customs clearance, and just-in-time delivery Ensure equipment preservation, storage, and environmental controls on site Support installation readiness reviews and contractor handover Schedule, Risk & Interface Management Track long-lead items and procurement activities on the project critical path Identify and mitigate risks related to capacity, lead times, factory constraints, and supply chain disruptions Coordinate interfaces between OFCI equipment and contractor-installed systems Provide detailed procurement and risk reporting to project leadership Documentation, Commissioning & Handover Ensure completeness and accuracy of as-built documentation, O&M manuals, and warranties Support commissioning, IST, and turnover to operations teams Close out OFCI packages in accordance with data center operational requirements We expect you to have: Bachelor's degree in a relevant field of study, (i.e. Construction Management, Engineering, Business, Supply Chain Management, Project Management, etc.) or equivalent combination of experience and technical training. 5+ years of experience in technical procurement or engineering for data centers or mission-critical facilities Proven experience procuring long-lead, high-reliability OFCI equipment Strong understanding of critical power and cooling systems Experience with FATs, commissioning, and contractor coordination It will be an added bonus if you had: Hyperscale or colocation data center experience Knowledge of Uptime Institute Tier standards or equivalent reliability framewo Core Competencies Technical bid evaluation and compliance management 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. Pay Transparency We offer competitive compensation and benefits packages. Actual compensation will be determined based on job-related factors, including experience, skills, qualifications, the level at which the candidate is hired, and geographic location, consistent with applicable law. Base Compensation Range $107,100—$133,800 USD Benefits & Perks: Competitive compensation Career growth and learning opportunities Flexibility and ownership Collaborative and innovative culture Opportunity to work on impactful AI projects International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.