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Sr Principal R D Engineer in California

17 active opportunities · Updated October 2026

Explore current sr principal r d engineer jobs in California. Filter by work mode, employment type, experience, department, date posted and distance.

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📍 California, United States· Full-time· Remote
✓ High-confidence listing

From $152K/yr

Quick readStrong listing-quality and freshness signals

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange™️ platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 160+ public exchanges globally and thousands of private exchanges at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Sr. Production Engineer to join our team. This role is available as a hybrid opportunity 3 days a week in San Jose, CA or Remote reporting to Production Engineering in the Cloud Infrastructure & Operations department. Join Zscaler to be a force multiplier for the reliability of a global platform processing 200+ billion transactions daily across tens of millions of enterprise users. In this role, you will provide the technical vision and hands-on execution to drive an "automation-first" culture across the company. By maturing our observability and architectural standards, you will directly reduce our Mean Time to Mitigate (MTTM) and shape the scalability of our globally distributed, multi-cloud infrastructure. What you’ll do (Role Expectations) Implement highly available, scalable infrastructure across AWS, GCP, and bare-metal environments Drive an "automation-first" culture by wr

PythonAWSAzureGCP
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📍 California, California, United States· Full-time
✓ High-confidence listingCompany trend -100%
Quick readStrong listing-quality and freshness signals

Who Are We? Postman is the world’s leading API platform, used by more than 45 million+ developers and 500,000 organizations, including 98% of the Fortune 500. Postman is helping developers and professionals across the globe build the API-first world by simplifying each step of the API lifecycle and streamlining collaboration—enabling users to create better APIs, faster. The company is headquartered in San Francisco and has offices in Boston, New York, Austin, Tokyo, London, and Bangalore - where Postman was founded. Postman is privately held, with funding from Battery Ventures, BOND, Coatue, CRV, Insight Partners, and Nexus Venture Partners. Learn more at postman.com or connect with Postman on X via @getpostman. P.S: We highly recommend reading The "API-First World" graphic novel to understand the bigger picture and our vision at Postman. The Opportunity Postman is seeking a strategic and results-driven engineering leader who is passionate about APIs, partnerships, ecosystems, collaboration, and developer success. As the Sr. Engineering Manager for Ecosystems & Integration, you’ll build and lead a talented group of engineers, fostering a culture of collaboration, innovation, and excellence while guiding the team to build scalable, reliable, high-performance features that power the future of our Ecosystem. You’ll work closely with other engineering managers, product managers, and designers to drive the vision and execution of the product roadmap that will empower developers + partners to create rich, integrated experiences that will help teams create, collaborate, manage, and scale their APIs and solutions. This position requires a strategic thinker with a deep understanding of developer ecosystems and a passion for delivering exceptional developer experiences. You will define our technical strategy to achieve our ecosystem goals, including how extensibility, integration frameworks and public APIs work at Postman, how integrations look, fe

JavaReactAWSAzure
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