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Overview

The AI Platform organization builds the end-to-end Azure AI stack, from the infrastructure layer to the PaaS and user experience offerings for AI application builders, researchers, and major partner groups across Microsoft. The platform is core to Azure’s innovation, differentiation and operational efficiency, as well as the AI-related capabilities of all of Microsoft’s flagship products, from M365 and Teams to GitHub Copilot and Bing Copilot. We are the team building the Azure OpenAI service, AI Foundry, Azure ML Studio, Cognitive Services, and the global Azure infrastructure for managing the GPU and NPU capacity running the largest AI workloads on the planet.

One of the major, mature offerings of AI Platform is Azure ML Services. It provides data scientists and developers a rich experience for defining, training, fine-tuning, deploying, monitoring, and consuming machine learning models. We provide the infrastructure and workload management capabilities powering Azure ML Services, and we engage directly with some of the major internal research and applied ML groups using these services, including Microsoft Research and the Bing WebXT team.

As part of AI Platform, the AI Infra team is looking for a Senior Software Engineer - AI Infrastructure (Scheduler) - CoreAI. The scheduler is the “brains” of the AI Infra control plane. It governs access to the GPU and NPU capacity of the platform according to a complex system of workload preference rules, placement constraints, optimization objectives, and dynamically interacting policies aimed to maximize hardware utilization and fulfill greatly varying needs of users and the AI Platform partner services in terms of workload types, prioritization, and capacity targeting flexibility. The scheduler’s set of capabilities is broad and ambitions. It manages quota, capacity reservations, SLA tiers, preemption, auto-scaling, and a wide range of configurable policies. Global scheduling is a distinctive major feature that overcomes the regional segmentation of the Azure compute fleet by treating the GPU capacity as a single global virtual pool, which greatly increases capacity availability and utilization for major classes of ML workload. We have achieved this capability without allowing a major global single point of failure, based on regional instances of the scheduler service interacting via peer-to-peer protocols for sharing capacity inventory and coordinating handoff of jobs for scheduling. Our system manages significant amount of GPU capacity even outside Azure datacenters, through a unified model and operational process and highly generalized, flexible workload scheduling capabilities.

To be able to manage the inherent complexity of the Scheduler subsystem and enable it to meet the stringent expectations of high service reliability, availability, and throughput, we emphasize rigorous engineering, utmost precision and quality, and ownership—from feature design to livesite. Quality mindset, attention to detail, development process rigor, and data-driven design and problem-solving skills are key for success in our mission-critical control plane space.

Responsibilities

+ Work on the design and development of the core AI Infrastructure distributed and in-cluster services that support large scale AI training and inferencing.

+ Develop, test, and maintain control plane services written in C#, hosted on Service Fabric or Kubernetes (AKS) clusters.

+ Enhance systems and applications to ensure high stability, efficiency and maintainability, low latency, tight cloud security.

+ Provide operational support and DRI (on-call) responsibilities for the service.

+ Develop and foster a deep understanding of the machine learning concepts, use cases, and relevant services used by our customers.

+ Collaborate closely with service engineers, product managers, and internal applied research and data science teams within Microsoft to build better solutions together.

+ Provide vision, expertise, and technical leadership to other team members.

+ Help to grow talent in these areas.

+ Embody our culture (https://careers.microsoft.com/v2/global/en/culture) and values (https://www.microsoft.com/en-us/about/corporate-values)

Qualifications

Required Qualifications

+ Bachelor's Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C++, C#, Java, Scala, Rust, Go, TypeScript | OR equivalent experience.

Preferred/Additional Qualifications

+ Master's degree in Computer Science or a related technical field

+ OOP proficiency and practical familiarity with common code design patterns

+ 3+ years of experience with large-scale services in a distributed environment, including concurrency management and stateful resource management

+ Hands-on experience with public cloud services at the IaaS level

+ Advanced knowledge of C# and .Net

+ Proficiency with use of complex data structures and algorithms, preferably in the setting of a resource allocator/scheduler, workflow/execution orchestration engine, database engine, or similar

+ Experience with managing the evolution of a large, complex codebase

+ Proficiency and thoroughness in unit testing and testability techniques

+ Knowledge of AI infrastructure, major use cases, and AI workload management

+ Demonstrated major design contributions and technical leadership

+ Excellent technical communication skills: verbal and written; product documentation experience

+ First-hand experience with building large-scale, multi-tenant global services with high availability

+ Experience with building and operating “stateful” and critical control plane services; handling challenges with data size and data partitioning; advanced use of a NoSQL cloud database

+ Experience with mapping complex object models to relational and non-relational datastores

+ Dev-ops experience with microservices architecture in a complex infrastructure and operational environment

+ Service reliability and fundamentals engineering; instrumentation for KPIs or performance analysis; demonstrated service and code quality mindset

+ Performance engineering: work on scalability, profiling; CPU, memory and I/O use optimization techniques

+ Applied cryptography and compliant handling of customer data

+ Network security: endpoint protection, federated authentication, RBAC

+ Applied knowledge of Kubernetes: service model, workload packaging and deployment, programmatic extensibility (CRDs, operators); or equivalent knowledge of Service Fabric; experience with any service mesh

+ Server-side Windows programming and performance engineering

+ Data analytics skills, in particular with Kusto

+ Work in a geo-distributed team

\#AIPLATFORM

\#CoreAI

Software Engineering IC4 - The typical base pay range for this role across the U.S. is USD $119,800 - $234,700 per year. There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $158,400 - $258,000 per year.

Certain roles may be eligible for benefits and other compensation. Find additional benefits and pay information here:

https://careers.microsoft.com/us/en/us-corporate-pay

This position will be open for a minimum of 5 days, with applications accepted on an ongoing basis until the position is filled.

Microsoft is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, ancestry, citizenship, color, family or medical care leave, gender identity or expression, genetic information, immigration status, marital status, medical condition, national origin, physical or mental disability, political affiliation, protected veteran or military status, race, ethnicity, religion, sex (including pregnancy), sexual orientation, or any other characteristic protected by applicable local laws, regulations and ordinances. If you need assistance with religious accommodations and/or a reasonable accommodation due to a disability during the application process, read more about requesting accommodations. (https://careers.microsoft.com/v2/global/en/accessibility.html)