Software Development Engineer, EC2 UltraServer Availability

The Software Development Engineer II will design, build, and maintain cloud-based repair and recovery workflows for NVIDIA GB200 / GB300 UltraServers, orchestrating repair and recovery operations from impairment detection through completed recovery. This role requires expertise in AWS services, system architecture, and cross-functional collaboration with Capacity Management, Hardware Engineering, and Datacenter Operations to manage AI/ML infrastructure.Key job responsibilitiesThe Software Development Engineer (SDE II) on the EC2 UltraServer Availability team is responsible for ensuring high availability of customer GB200 and GB300 UltraServers by orchestrating complex repair and recovery workflows. Following are the core responsibilitiesSystem Design & Architecture* Design and architect solutions that are cross-functional to Capacity Management, Hardware Engineering, and Datacenter Operations* Work in environments where the technology strategy is defined but the solution design is not* Build solutions that are stable, logical, testable, and efficient with the ability to independently make trade-off decisions* Investigate and develop design concepts to frame solution sets at an application and product levelSoftware Development* Build cloud-based solutions using AWS native services for scaling infrastructure frameworks* Write high-quality, maintainable code with proper testing and code reviews* Develop and maintain the repair and recovery workflows for GB200 and GB300 UltraServer hosts* Implement automation for diagnostic triage, hardware testing, cable validation, and testing processes* Create observable systems with appropriate metrics and alarmingOperational Excellence* Execute and monitor UltraServer workflows for UltraServer repair* Troubleshoot workflow failures and coordinate with downstream teams* Focus on operational excellence by identifying problems and proposing solutionsHardware & Software Integration * Work with hardware and software integrations specific to GPU clusters and AI/ML training systems * Manage network partition configurations for multi-node GPU clusters * Handle firmware validation and consistency checks across asset groupsTeam Collaboration* Collaborate with customers and stakeholders to convert business needs into technical designs* Participate in code reviews and technical assessmentsA day in the lifeThis is a hands-on position in which you will own everything from end to end: requirements gathering, designs, design reviews, implementations, code reviews, incremental feature launches, operations, mentoring, and the driving of continuous improvement.About the teamThe EC2 UltraServer Availability team is a high-performing engineering organization responsible for maintaining high availability of NVIDIA-based ML infrastructure at scale. We manage end-to-end repair and recovery workflows for GB200 and GB300 UltraServers, from initial problem detection through repair and recovery. Our team drives operational excellence through continuous improvement of problem detection, repair efficacy, and customer impact mitigation. We work closely with hardware engineering, data center operations, and EC2 service teams to ensure reliable, efficient recovery of critical ML compute capacity. This is a high-impact role leading a two-pizza team of talented engineers solving complex technical challenges in one of Amazon's fastest-growing infrastructure domains.Basic qualifications- 3+ years of non-internship professional software development experience- 2+ years of non-internship design or architecture (design patterns, reliability and scaling) of new and existing systems experience- Experience programming with at least one software programming languagePreferred qualification - 3+ years of full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations experience- Bachelor's degree in computer science or equivalent- Knowledge of professional software engineering & best practices for full software development life cycle, including coding standards, software architectures, code reviews, source control management, continuous deployments, testing, and operational excellenceAmazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at .USA, WA, Seattle - 143,700.00 - 194,400.00 USD annually