Performance Modeling Architect in Mountain View

About the Team The Monetization Data Systems team builds the trusted data and product systems that power how the company develops, measures, and improves monetization products. We bring together product usage, pricing, billing, ads, payments, and financial data to help Product, Engineering, Finance, and GTM teams make better decisions and deliver reliable customer experiences. We work at the intersection of data engineering, product engineering, platform engineering, Finance, and GTM. Our goal is to turn complex monetization and financial data into accurate, explainable, and timely data products while building systems that scale with the growth and complexity of the business. About the Role We are looking for a Senior Software Engineer to design and build the next generation of our monetization data platform. You will own high-impact platform systems end to end, from architecture and implementation through testing, deployment, observability, and ongoing operation. This is a hands-on role for an engineer who enjoys solving ambiguous customer and business problems, designing durable systems, and partnering closely with Product, Data, Finance, Accounting, and GTM. You will help define technical direction, raise the engineering bar, and turn monetization opportunities into reliable, scalable product experiences and platform capabilities. In this role, you will: Design, improve, and operate reliable, scalable backend services that power pricing, billing, ads, payments, entitlements, and other monetization platform capabilities. Own the architecture and implementation of critical workflows relevant to monetization data, data contracts, and integrations across product and business systems. Establish strong guarantees for correctness, availability, security, performance, reconciliation, and auditability across business-critical systems. Build reusable platform capabilities and developer tools that enable product teams to launch, measure, and iterate on monetization products

About the Team The Corporate Security team is responsible for safeguarding all OpenAI employees and executives. Our mission is to create a secure, resilient environment that allows our teams to focus on their work without risk or disruption. We manage physical security operations across offices, events, and global initiatives, partnering closely with internal teams and external agencies to stay ahead of emerging threats. About the Role As the Corporate Security Operations Manager based in Mountain View, you will own day-to-day site security operations and help develop practical physical-security strategies, policies, and procedures. You will lead vendor-managed armed and unarmed security teams, partner cross-functionally, and serve as a key liaison with local law enforcement and security partners. This is a hands-on site-operations and guard-force leadership role, not primarily an executive, investigative, or policy-leadership position. The role typically requires 4-5 days in the office each week. In this role, you will: Office Security: Develop, implement, and manage practical physical-security measures, including policies, training, and vendor relationships, to protect employees and visitors across the Mountain View site and nearby facilities. Operational Management: Own the day-to-day performance of vendor-managed armed and unarmed security teams across shifts and locations. Set clear operational expectations and ensure security personnel understand and consistently follow company policies, post orders, and procedures. Monitor security practices, identify operational risks, and drive timely, practical mitigation and remediation. Coordinate with Workplace, Facilities, building management, law enforcement, and other internal and external partners to maintain a cohesive security posture. Support broader Corporate Security operations as needed. Support or lead security operations for on-campus events. Serve as the primary point of contact for VIP and government-guest