Senior Staff Engineer - Enterprise Messaging and Exchange

NVIDIA has been transforming computer graphics, PC gaming, and accelerated computing for more than 25 years. It’s a unique legacy of innovation that’s fueled by incredible technology—and amazing people. Today, we’re tapping into the unlimited potential of AI to define the next era of computing. An era in which our GPU acts as the brains of computers, robots, and self-driving cars that can understand the world. Doing what’s never been done before takes vision, innovation, and the world’s best talent. As an NVIDIAN, you will be immersed in a diverse, encouraging environment where everyone is inspired to do their best work. We are looking for an outstanding Senior Art Director to learn, understand, and bring to life our company story in physical and virtual event formats. Come join the team and see how you can make a lasting impact on the world!NVIDIA is hiring a Senior Staff Engineer - Enterprise Messaging and Exchange to guide the invention, reliability, security, and evolution of our global employee communications and collaboration platforms. The core of this role is deep ownership of Microsoft Exchange (on-premises, hybrid, and Exchange Online/O365), Azure-based services, and SMTP/IMAP integrations — while also extending into the broader enterprise SaaS ecosystem that keeps NVIDIA connected at scale, including platforms such as Slack, Microsoft 365, SharePoint, and Google Workspace. The ideal candidate brings strong Exchange expertise and is eager to grow their impact across a modern, AI-augmented enterprise collaboration stack. These services play a crucial role in how NVIDIA teams communicate, collaborate, and ship outstanding products. The position requires the ability to succeed in a fast-paced, dynamic environment with high standards and collaboration across teams.What You Will Be Doing:Architect, implement, and operate highly available messaging solutions using Microsoft Exchange (on-premises/hybrid/Exchange Online), Azure services, SMTP relays, and IMAP; establish and enforce architecture standards and best practices across regions/environments.Plan and execute server upgrades and monthly patching; ensure configurations and changes meet compliance and audit requirements.Monitor health, performance, and capacity; analyze logs/traces and protocol flows to prevent incidents, minimize downtime, and optimize throughput and user experience. Provide expert-level diagnosis and resolution for complex mail flow issues; deep knowledge of SMTP/IMAP, connectors, transport rules, and messaging architecture.Implement encryption, email authentication (SPF/DKIM/DMARC), and anti-virus/anti-spam protections (e.g., Microsoft Defender); maintain secure configurations and hardening baselines.Lead/assist initiatives such as migrations, tenant consolidations, and M&A; define requirements and integration points with enterprise messaging and exchange apps and services.Handle day-to-day operations and escalations; mentor engineers/architects and foster a culture of learning, documentation, SOPs, run-books, and enabling support team.Partner on the management and operations of large-scale enterprise SaaS collaboration platforms (e.g., Slack, Microsoft 365, SharePoint, Google Workspace), including onboarding, provisioning, policy governance, and lifecycle management.Build strategy to keep enhancing the messaging and collaboration ecosystems with evolving technologies, including AI-driven automation of operations and administration.What We Need To See:Bachelor's or Master's Degree in Computer Science, Computer Engineering, or a related field (or equivalent experience).8+ years of proven experience architecting and managing Exchange Server (on-prem & SE), hybrid/Exchange Online (O365), Public Folders, SMTP, Active Directory, and Azure integrations.Demonstrable ability to take end-to-end ownership of the experience for the users of the services.Solid understanding of Exchange architecture, including DAGs (Database Availability Groups) and hybrid configurations.Extremely motivated, highly passionate, and curious about new technologies. Takes pride in their work and strives to achieve incredible results; superb communication and planning skills.Ability to work successfully with multi-functional teams, principals, and architects; coordinates optimally across organizational boundaries and geographies.Comfortable working in a fast-paced, highly collaborative environment.Ways to Stand Out From The Crowd:Experience leading large-scale messaging platforms and driving resolution for critical severity issues.Experience managing large-scale enterprise SaaS platforms — such as Slack, Microsoft 365, SharePoint, or Google Workspace — including onboarding, day-to-day operations, and lifecycle management.Ability to automate operations and administration of enterprise services leveraging AI, agents, and modern automation frameworks. Passion to leverage Agentic AI to drive reliability, reduce toil, and improve the employee experience at scale.Proficiency in PowerShell scripting for automation is crucial; Python scripting is a plus.Knowledge of networking concepts related to email (DNS, VIP routing, etc.).NVIDIA is widely considered to be one of the technology world’s most desirable employers. We have some of the most intelligent and hardworking people in the world working for us. If you're creative and autonomous, we want to hear from you!Your base salary will be determined based on your location, experience, and the pay of employees in similar positions. The base salary range is 168,000 USD - 264,500 USD for Level 4, and 196,000 USD - 310,500 USD for Level 5.You will also be eligible for equity and benefits.Applications for this job will be accepted at least until July 24, 2026.This posting is for an existing vacancy. NVIDIA uses AI tools in its recruiting processes.NVIDIA is committed to fostering an inclusive work environment and proud to be an equal opportunity employer. As we highly value diversity in our current and future employees, we do not discriminate (including in our hiring and promotion practices) on the basis of race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law.SummaryLocation: US, CA, Santa ClaraType: Full time