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Principal Scientist Jobs

2,909 active opportunities · Updated for October 2026

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Explore current principal scientist jobs. Use filters to narrow by work mode, employment type, experience and date posted.

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Glean
📍 United States• Full-time• $224K – $258K/yr
1mo ago

About Glean: Glean is the Work AI platform that helps everyone work smarter with AI. What began as the industry’s most advanced enterprise search has evolved into a full-scale Work AI ecosystem, powering intelligent Search, an AI Assistant, and scalable AI agents on one secure, open platform. With over 100 enterprise SaaS connectors, flexible LLM choice, and robust APIs, Glean gives organizations the infrastructure to govern, scale, and customize AI across their entire business - without vendor lock-in or costly implementation cycles. At its core, Glean is redefining how enterprises find, use, and act on knowledge. Its Enterprise Graph and Personal Knowledge Graph map the relationships between people, content, and activity, delivering deeply personalized, context-aware responses for every employee. This foundation powers Glean’s agentic capabilities - AI agents that automate real work across teams by accessing the industry’s broadest range of data: enterprise and world, structured and unstructured, historical and real-time. The result: measurable business impact through faster onboarding, hours of productivity gained each week, and smarter, safer decisions at every level. Recognized by Fast Company as one of the World’s Most Innovative Companies (Top 10, 2025), by CNBC’s Disruptor 50, Bloomberg’s AI Startups to Watch (2026), Forbes AI 50, and Gartner’s Tech Innovators in Agentic AI, Glean continues to accelerate its global impact. With customers across 50+ industries and 1,000+ employees in more than 25 countries, we’re helping the world’s largest organizations make every employee AI-fluent, and turning the superintelligent enterprise from concept into reality. If you’re excited to shape how the world works, you’ll help build systems used daily across Microsoft Teams, Zoom, ServiceNow, Zendesk, GitHub, and many more. You'll be deeply embedded where people get things done. You'll ship agentic capabilities on an open, extensible stack, with

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Glean
📍 United States• Full-time• $224K – $258K/yr
1mo ago

About Glean: Glean is the Work AI platform that helps everyone work smarter with AI. What began as the industry’s most advanced enterprise search has evolved into a full-scale Work AI ecosystem, powering intelligent Search, an AI Assistant, and scalable AI agents on one secure, open platform. With over 100 enterprise SaaS connectors, flexible LLM choice, and robust APIs, Glean gives organizations the infrastructure to govern, scale, and customize AI across their entire business - without vendor lock-in or costly implementation cycles. At its core, Glean is redefining how enterprises find, use, and act on knowledge. Its Enterprise Graph and Personal Knowledge Graph map the relationships between people, content, and activity, delivering deeply personalized, context-aware responses for every employee. This foundation powers Glean’s agentic capabilities - AI agents that automate real work across teams by accessing the industry’s broadest range of data: enterprise and world, structured and unstructured, historical and real-time. The result: measurable business impact through faster onboarding, hours of productivity gained each week, and smarter, safer decisions at every level. Recognized by Fast Company as one of the World’s Most Innovative Companies (Top 10, 2025), by CNBC’s Disruptor 50, Bloomberg’s AI Startups to Watch (2026), Forbes AI 50, and Gartner’s Tech Innovators in Agentic AI, Glean continues to accelerate its global impact. With customers across 50+ industries and 1,000+ employees in more than 25 countries, we’re helping the world’s largest organizations make every employee AI-fluent, and turning the superintelligent enterprise from concept into reality. If you’re excited to shape how the world works, you’ll help build systems used daily across Microsoft Teams, Zoom, ServiceNow, Zendesk, GitHub, and many more. You'll be deeply embedded where people get things done. You'll ship agentic capabilities on an open, extensible stack, with

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Roblox
📍 Ashburn• $265.7K – $320.9K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Principal Network Engineer, you will work cross-functionally to plan the growth of Roblox’s global production network to support rapid user growth. In this role, you are responsible for Engineering and Architecture of Roblox Backbone and Edge Network. You will ensure that we are making the right investments with our global expansion to provide a great experience for all our users worldwide. We run services and a hosting platform with some unique complexities, so this role is an opportunity for the experienced network engineer to take on new challenges in addition to applying their existing expertise. You Will: Serve as a Principle Engineer for Roblox's Backbone Network. Drive future design, deployment, and operations for Roblox’s large-scale Network Infrastructure. Engage in design, qualification, and validation of new technologies, and ensure new technologies are deployable at scale and are safely operable. Collaborate with the Network Tooling Team to automate workflows and improve telemetry, observability, and alerting. Work with net tools to automate existing workflows and improve our telemetry and alerting framework. Participate in on-call rotation to support the global netw

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Application Modernization Platform (“AMP”) is a MongoDB offering that modernises our customer’s legacy relational applications to a modern architecture underpinned by MongoDB using a combination of software, processes, and engineers. In this offering, the people and software are inextricably linked and cannot be separated. The delivery happens in an accelerated timeframe wherein the team takes advantage of GenAI and algorithmic tooling to expedite the turnaround time for application delivery. AMP team generally works with enterprise-grade customers, in all verticals on a variety of exciting use cases. This role solves technically sophisticated problems, gains incredible cross-stack experience, works with top-notch people in the business, addresses multiple customer-facing opportunities. The role also becomes the forefront of groundbreaking R&D that enables further acceleration for enterprises working across a variety of technologies. AMP exists to expedite time to value for customers who are looking forward to changing, modernising and updating their tech stack while keeping MongoDB the cornerstone of their system architecture. Work as a software developer in an Agile environment delivering solutions for customers focused on migrating our customers’ legacy relational-based Java applications to a more modern cloud-based architecture running on MongoDB, leveraging the latest GenAI tools and approaches to accelerate this process. During each project, successful candidates will be required to innovate on potential new GenAI-based solutions for specific challenges in addition to applying existing playbooks and tooling for migration. This role will be based remotely in France. Position Expectations Shape architecture and technology strategy across AMP modernization projects and workstreams, making complex technical decisions with limited supervision and connecting engineering choices to customer and business outcomes Lead the assessment and modernization o

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1mo ago

Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Micron's Corporate Marketing team shapes how the world understands our technology leadership, innovation, and impact. We transform complex technology, business strategy, and market trends into compelling stories that strengthen our brand, build credibility, and create confidence among customers, partners, employees, investors, policymakers, and communities around the world. As a Senior Corporate Narrative & Messaging Manager, you will help define and amplify Micron's corporate story. Partnering closely with the Director of Corporate Narrative & Messaging, you will develop messaging frameworks, narrative platforms, and storytelling resources that communicate our value, purpose, and leadership. This highly visible role offers the opportunity to influence executive communications, corporate reputation, and brand consistency across a global organization. Responsibilities: Develop and evolve Micron's corporate narrative, messaging architecture, and storytelling frameworks Translate complex technology, market, business, and geopolitical topics into clear, compelling messaging and proof points Create and maintain message houses, executive messaging guides, FAQs, positioning documents, and storytelling resources Partner with marketing, communications, business units, and regional teams to drive narrative alignment and adoption Leverage stakeholder insights, performance data, and AI tools to continuously improve messaging effectiveness

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Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. We are seeking a Principal Analog Design Engineer to lead the design, integration, and delivery of advanced analog and mixed-signal IPs for High Bandwidth Memory (HBM) products. This role is critical in developing and integrating high-performance analog subsystems within the HBM logic die, enabling industry-leading bandwidth, power efficiency, and reliability. As a principal engineer, you will provide deep technical leadership across analog design, IP integration, system alignment, and silicon execution, driving end-to-end success of HBM solutions. Responsibilities will include, but are not limited to: Lead the d esign and own critical HBM analog circuits, including: High ‑ speed transmitters and receivers Clock generation and distribution (PLLs, DLLs, CDRs) SerDes ‑ related analog blocks Biasing, reference, and calibration circuits

airecruitment
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Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Unique Opportunities Complete ownership of verification and end to end analysis of sophisticated full chip gate level custom designs with advanced low power and power management technologies spread across multiple categories such as DDR4,LPDDR4,DDR5 and LPDDR5 that can operate at high speeds of up to 6400MT/s. Collaborate closely with design and verification team members spread across the globe, many of whom have decades of experience in memory design. Work on multi-functional tasks that can widen your skills. Responsibilities: • Actively leverage AI‑based tools, agentic workflows, and automation frameworks to: Accelerate verification cycle time Assist in Test-Case/TB and various other components required for DRAM Design Verification Improve debug efficiency across simulation and silicon learning loops • Strong judgment to validate AI outputs before use (review assumptions, align with specs/standards, cross-check with simulations, waveforms, assertions, and coverage reports, and document what was accepted/changed) prior to incorporating results into design decisions, verification plans, or debug conclusions • Provide verification support to design projects by simulating, analyzing, and debugging pre-silicon block level/full chip designs. Develop Test cases/Sti

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Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. We are Micron's Global Sales organization, partnering with many of the world's leading GPU, CPU, and AI platform companies to bring innovative memory and storage solutions to market. Our team works across regions and business units to help customers build next-generation AI infrastructure, intelligent edge devices, and advanced computing platforms. We value collaboration, accountability, curiosity, and long-term relationships. As a Global Account Sales Manager, you will help grow one of Micron's most strategic AI platform customer relationships. You will lead opportunities across embedded, robotics, automotive, client, and consumer markets while collaborating with cross-functional teams to deliver customer success and business growth. This role offers the opportunity to influence account strategy, strengthen executive relationships, and help shape the future of AI-enabled technologies. Responsibilities: Develop and execute account strategies that drive growth across embedded, robotics, automotive, client, and consumer market segments Build trusted relationships with customer stakeholders across engineering, architecture, procurement, operations, and executive leadership Manage a multi-product opportunity pipeline, delivering accurate forecasts and disciplined CRM execution Partner with Product Management, Engineering, Operations, Supply Chain, Finance, Legal, and Pricing teams to align customer needs with Micron solutions and business objectives Provide mar

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Roblox
📍 San Mateo• $263.7K – $300.9K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. Unlike anywhere else in AI right now, Roblox is building AI for creation. The mission of our Foundation AI team is to put generative AI in the hands of millions of creators. Last year, we shipped our first 3D foundation model, which turns text prompt into a production-ready 3D object. We're now pushing further into multi-modal input, like image, video, and 3D assets, and toward 4D, fully interactive worlds, all while developers keep full control of their game rules and physics. Creators use these models to build everything from a single 3D object to an entire playable world, reaching tens of millions of people every day. That end-to-end loop, from a creator's first prompt to a player's first moment inside an experience, is what makes this space different. The story of what these tools can do, and where they're headed, is still largely untold. We are looking for a world-class Senior Product Marketing Manager to define how Roblox communicates the future of AI-powered creation. This is a high-visibility role requiring a blend of technical fluency, narrative craft, and the cross-functional instincts to move quickly in one of the most dynamic spaces in the industry. You will be embedded with our

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Roblox
📍 San Mateo• $328.6K – $399.4K/yr
1mo ago

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. WHY SAFETY? At Roblox, we strive to connect a billion people with optimism and civility, and the Safety organization’s mission is to become the leader in civil immersive online communities. We systematically detect, remove, and prevent problematic accounts, content and behavior, and we make Roblox accounts secure and free from compromise. We cover a broad area of the tech spectrum, including machine learning, classifiers for 3D models, experimentation, automation, detection workflows, and AI-powered text filters. Aligned and partnering with product teams, we use this toolbelt to discover new opportunities, influence and shape the product roadmap and prioritization, build safety products, and measure the impact on our community of users and developers. In doing so, we keep Roblox safe, civil, and inclusive, and we foster positive relationships between people around the world. WHY ALT DEFENSE? Safety and Civility is Roblox’s #1 priority. The Alt Defense pod is at the front lines of this mission, tasked with solving one of the most difficult adversarial problems on the platform: Alternate Account Detection and Prevention. When bad actors are removed from Roblox, they often attempt to return im

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Appian Corporation
📍 Mexico City• Full-time• MX$950K – MX$1.7M/yr
1mo ago

Here at Appian, our values of Intensity and Excellence define who we are. We set high standards and live up to them, ensuring that everything we do is done with care and quality. We approach every challenge with ambition and commitment, holding ourselves and each other accountable to achieve the best results. When you join Appian, you’ll be part of a passionate team dedicated to accomplishing hard things, together. Bring your passion for enterprise technology and strategic leadership to a team dedicated to accomplishing hard things. Shape the future of corporate modernization. Location: Mexico City, MX | Work Model: Hybrid About the Team Appian Customer Success is obsessed with delivering exceptional customer outcomes and driving mission-critical business impact. Grounded in our core values of Respect, Work to Impact, Ambition, and Constructive Dissent & Resolution, we act as elite technical advisors to our commercial clients. By joining this high-performance team, you will champion a culture of candid communication and excellence while accelerating global adoption of our AI-Powered Process Automation platform. The Opportunity As a Principal Technical Consultant, you will occupy a premier leadership position at the intersection of enterprise business strategy and complex technical delivery. This role is vital right now because you won’t just execute projects—you will define how they are delivered. You will partner directly with Appian Architects and Technical Delivery Managers, lead large-scale consulting initiatives, and serve as a vital mentor to the next generation of engineers, ensuring our clients achieve world-class Enterprise-Grade Orchestration . What You’ll Do Lead Enterprise Delivery: Command the entire software development lifecycle ( SDLC ) to define, design, and implement custom automation solutions using the Appian platform for major commercial clients. Direct High-Performing Teams: Lead and mentor consultants through fast-paced software imp

sqlawsmachine learning
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Hasbro
📍 Boston• Full-time• From $143.9K/yr
1mo ago

We take play seriously. We’re looking for curious adventurers ready to find their party, fueled by imagination and drive to build what’s never been built before. At Hasbro and Wizards of the Coast, you’ll collaborate with passionate teams to reimagine our iconic brands and create experiences that spark joy, connection, and community through the magic of play. This is your chance to shape legendary play that lasts a lifetime. Hasbro is updating the way work is conducted across supply chain, go to market, finance, consumer products, and licensing. Our mature RPA practice on Automation Anywhere is now growing to include agentic AI. These systems interpret unstructured inputs, invoke tools, and perform complex workflows with human oversight where needed. We are looking for a Principal Automation Specialist to act as the senior technical expert in this initiative. This hands-on leadership role involves setting the architectural vision for our intelligent automation platform, building the most complex elements, and raising the team’s technical standards. Responsibilities As a Principal Automation Specialist, your responsibilities will include: Architect and build agentic automation: LLM-orchestrated workflows that combine deterministic RPA with reasoning based on data patterns, tool/API calling, and structured output. Extend our Automation Anywhere estate — migrate brittle, screen-scraped bots to API- and agent-based patterns and decide deliberately when a task should stay deterministic. Build the reliability layer that makes agents safe to run in production: evaluation harnesses, regression suites, confidence thresholds, human-in-the-loop approval gates, fallback paths, and audit logging. Own the integration surface — connect agents to ERP (SAP), data platforms, ticketing, and internal APIs via standardized tool interfaces (e.g., MCP servers, REST/GraphQL, event-driven triggers). Apply document and language intelligence to workflows that resisted cl

ci/cdrestgraphql
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Level Up Your Career with Zynga! At Zynga, we bring people together through the power of play. As a global leader in interactive entertainment and a proud label of Take-Two Interactive, our games have been downloaded over 6 billion times—connecting players in 175+ countries through fun, strategy, and a little friendly competition. From thrilling casino spins to epic strategy battles, mind-bending puzzles, and social word challenges, our diverse game portfolio has something for everyone. Fan-favorites and latest hits include FarmVille™, Words With Friends™, Zynga Poker™, Game of Thrones Slots Casino™, Wizard of Oz Slots™, Hit it Rich! Slots™, Wonka Slots™, Top Eleven™, Toon Blast™, Empires & Puzzles™, Merge Dragons!™, CSR Racing™, Harry Potter: Puzzles & Spells™, Match Factory™, and Color Block Jam™—plus many more! Founded in 2007 and headquartered in California, our teams span North America, Europe, and Asia, working together to craft unforgettable gaming experiences. Whether you're spinning, strategizing, matching, or competing, Zynga is where fun meets innovation—and where you can take your career to the next level. Join us and be part of the play! Position Overview: Words With Friends Instant is seeking a Principal Data Analyst to be the analytics owner for the game: the person product, design, and engineering come to for data on player behavior, feature health, experimentation, and game strategy. As part of our analytics team, you'll play a crucial role in shaping the future of our game through data-driven insights. Here's how you'll shape the player experience: Product Strategy: Analyze long and short-term trends to deliver insights that influence product direction Experimentation: Design statistically sound experiments that drive measurable impact Business Intelligence: Maintain comprehensive dashboards and ETL pipelines to keep the organization informed on game performance What You'll Do : Collaborate with the Product team to enhance revenue, retentio

pythonsqlgit
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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 200+ public data centers globally and thousands of private sites 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 Principal Product Specialist – Browser Security to join our team. This is a Hybrid (Bangalore) role, reporting to the Director, Threat Researcher in the Engineering department. Zscaler is seeking a hands-on technical specialist to drive customer adoption and secure enterprise sales wins. In this technical, customer-facing role, you will collaborate with Sales, Product, and Engineering to lead product walkthroughs, technical workshops, proof-of-value engagements, deployments, and live troubleshooting. You will translate browser security capabilities into clear business outcomes for CISOs, security leaders, and architects. What you’ll do (Role Expectations) Serve as Zscaler’s Browser Security technical specialist, leading customer discovery, demos, solution deep dives, and architecture discussions Own or support POCs / POVs, including success criteria definition, test planning, execution

About Us At Cloudflare, we are on a mission to help build a better Internet. Today the company runs one of the world’s largest networks that powers millions of websites and other Internet properties for customers ranging from individual bloggers to SMBs to Fortune 500 companies. Cloudflare protects and accelerates any Internet application online without adding hardware, installing software, or changing a line of code. Internet properties powered by Cloudflare all have web traffic routed through its intelligent global network, which gets smarter with every request. As a result, they see significant improvement in performance and a decrease in spam and other attacks. Cloudflare was named to Entrepreneur Magazine’s Top Company Cultures list and ranked among the World’s Most Innovative Companies by Fast Company. At Cloudflare, we’re not looking for people who wait for a polished roadmap; we’re looking for the builders who see the cracks in the Internet that everyone else has simply learned to live with. We value candidates who have the instinct to spot a "normalized" problem and the AI-native curiosity to create a solution using the latest tools. Our culture is built on iteration, leveraging AI to ship faster today to make it better tomorrow, while ensuring that every improvement, no matter how small, is shared across the team to lift everyone up. If you’re the type of person who values curiosity over bureaucracy, and that AI is a partner in solving tough problems to keep the Internet moving forward, you’ll fit right in. Location: Singapore About Developer GTM The Developer GTM organization is a highly collaborative startup within Cloudflare, dedicated to attracting, inspiring, and growing the next generation of builders. We are redefining developer acquisition in a world where AI and distributed agents are reshaping the stack. Our mission is to create accessible and exciting pathways for developers to discover Cloudflare—whether through ecosystem partnerships, high-imp

javascripttypescriptai
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