Principal Cloud Infrastructure Engineer Jobs

Role Description As a Principal Engineer at Dropbox, you will own company critical, loosely defined technical problems with multi year impact, operating at the intersection of technology, product, business strategy, and applied AI. You will define long term technical direction for customer facing experiences used by millions, identifying where AI meaningfully improves customer value and translating evolving business context and industry advances into durable, multi area strategies and roadmaps that shape how Dropbox builds, scales, and innovates, while remaining hands on in software development where it provides the greatest leverage. Your influence will span organizations, setting foundational architecture, driving execution standards, and aligning senior technical and product leaders across boundaries. You will lead the responsible introduction and adoption of AI across product capabilities and engineering workflows, bring clarity to the most complex decisions, institutionalize engineering excellence, and contribute directly through critical design, prototyping, and code reviews. In return, you will operate as a trusted technical partner to senior leadership, shape systems and platforms including AI powered foundations that define Dropbox’s future, and act as a company level technical strategist, advancing Dropbox’s mission to create a more enlightened way of working. Our Engineering Career Framework is viewable by anyone outside the company and describes what’s expected for our engineers at each of our career levels. Check out our blog post on this topic and more here. Responsibilities Own and drive technical outcomes across multiple teams and organizations, delivering company critical customer and business impact at scale. Define long term technical strategy and partner with senior Product and Engineering leaders as the technical owner for the most important company objectives. Tackle the most ambiguous and far reaching technical and product problems, shaping wh

Role Description As a Principal Engineer at Dropbox, you will own company critical, loosely defined technical problems with multi year impact, operating at the intersection of technology, product, business strategy, and applied AI. You will define long term technical direction for customer facing experiences used by millions, identifying where AI meaningfully improves customer value and translating evolving business context and industry advances into durable, multi area strategies and roadmaps that shape how Dropbox builds, scales, and innovates, while remaining hands on in software development where it provides the greatest leverage. Your influence will span organizations, setting foundational architecture, driving execution standards, and aligning senior technical and product leaders across boundaries. You will lead the responsible introduction and adoption of AI across product capabilities and engineering workflows, bring clarity to the most complex decisions, institutionalize engineering excellence, and contribute directly through critical design, prototyping, and code reviews. In return, you will operate as a trusted technical partner to senior leadership, shape systems and platforms including AI powered foundations that define Dropbox’s future, and act as a company level technical strategist, advancing Dropbox’s mission to create a more enlightened way of working. Our Engineering Career Framework is viewable by anyone outside the company and describes what’s expected for our engineers at each of our career levels. Check out our blog post on this topic and more here . Responsibilities Own and drive technical outcomes across multiple teams and organizations, delivering company critical customer and business impact at scale. Define long term technical strategy and partner with senior Product and Engineering leaders as the technical owner for the most important company objectives. Tackle the most ambiguous and far reaching technical and product problems, shaping w

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. Summary Department Overview The Fab Engineering team supports semiconductor manufacturing by driving process performance, product quality, and operational efficiency. The team partners closely with equipment, quality, and production organizations to enable stable processes, improve yield, and deliver consistent manufacturing outcomes. Join us and make a change! Position Overview As a Fab Engineer, you will own and sustain semiconductor manufacturing processes within the fab. You will solve process issues, analyze performance data, and implement solutions that improve yield, quality, and cycle time. This role plays a direct part in enabling high-volume manufacturing through structured problem solving and multi-functional execution. Responsibilities Own process performance and drive improvements in yield, quality, and cycle time Troubleshoot manufacturing issues using structured methodologies (e.g., root cause analysis, FMEA, SPC, 8D) Analyze process data to identify trends, gaps, and improvement opportunities Define, monitor, and adjust process parameters across semiconductor manufacturing equipment Partner with cross-functional teams to resolve process excursions and implement corrective actions Support qualification and integration of new equipment, materials, and process changes Drive initiatives focused on yield improvement, cost reduction, and productivity Perform defect analysis and long-term investi

Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. . Hiring and how we work We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! Also, while we are a remote-first company, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites or customer meetings. . See yourself at Twilio Join the team as Twilio’s next Principal Price Realization Strategy Manager - Digital & PLG Pricing About the job This is a high-impact role, critical to driving Twilio's pricing strategy and developing key pricing strategic decisions. Your work will directly contribute to accelerating Twilio's business growth while simplifying the purchasing experience for our customers. As the Principal Price Realization Strategy Manager , you will drive the pricing strategy, analytics, and operational execution for our digital and product monetization initiatives. Reporting directly to the Director of Price Realization Strategy, you will serve as a strategic leader responsible for shaping global pricing and discounting frameworks, build and design executive-facing dashboards, and optimizing revenue performance across our entire product portfolio. Responsibilities In this role, you’ll: Architect and execute price optimization models that accelerate business perf

Who we are At Twilio, we’re shaping the future of communications, all from the comfort of our homes. We deliver innovative solutions to hundreds of thousands of businesses and empower millions of developers worldwide to craft personalized customer experiences. Our dedication to remote-first work , and strong culture of connection and global inclusion means that no matter your location, you’re part of a vibrant team with diverse experiences making a global impact each day. As we continue to revolutionize how the world interacts, we’re acquiring new skills and experiences that make work feel truly rewarding. Your career at Twilio is in your hands. . Hiring and how we work We use Artificial Intelligence (AI) to help make our hiring process efficient. That said, every hiring decision is made by real Twilions! Also, while we are a remote-first company, you may be asked to report in person on an ad-hoc basis for team gatherings, functional off-sites or customer meetings. . See yourself at Twilio Join the team as Twilio’s next Principal Price Realization Strategy Manager - Enterprise & Account-Led Pricing About the job This is a high-impact role, critical to driving Twilio's pricing strategy and developing key pricing strategic decisions. Your work will directly contribute to accelerating Twilio's business growth while simplifying the purchasing experience for our customers. As the Principal Price Realization Strategy Manager - Enterprise & Account-Led Pricing , you will drive the pricing strategy, analytics, and operational execution for our enterprise and account-led monetization initiatives. Reporting directly to the Director of Price Realization Strategy, you will serve as a strategic leader responsible for shaping strategic pricing and discounting frameworks, build and design executive-facing dashboards, and optimizing revenue performance across our entire product portfolio. Responsibilities In this role, you’ll: Archi

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Okta Identity Governance (OIG) organization is looking for a Principal Engineer to join our team — OIG is Okta’s Identity Governance and Administration solution that is directly responsible for one of the most critical and visible workflows in enterprise identity: how employees request, approve, and gain access to the resources they need. Opportunity As a Principal Engineer on the OIG team, you will be involved into development, design, and maintenance of our product to serve enterprise customers at scale. You will involve the architecture and evolution of our product features — spanning the across different access governance personas — and work collaboratively across engineering, product, and design to deliver features that are secure, scalable, and delightful to use. This is a role for someone who thinks in systems, leads with craft, and is energized by the challenge of building enterprise-grade software that millions of users depend on. Th

About the role Sana Biotechnology is growing, and we are hiring new team members who believe in the potential of engineered cells as medicines, who are passionate about delivering the possible to patients, and who lead with the desire to work on novel ideas. As a Principal Scientist, Potency, you will report to the Sr. Director, Head of Molecular and Potency Method Development. You will either lead or support the development and implementation of potency, immunoassay, and other cell-based methods for Sana’s cell therapy products, and support method transfer and qualification to enable GMP testing. This role is onsite in South San Francisco, CA. What you’ll do Act as a key contributor in developing and qualifying pivotal stage potency, immunoassay, and other cell-based methods to support the characterization, process development, release testing, and stability testing of cell therapy products Follow ICH and internal Method Development Guidance Document to develop robust analytical methods for characterizing intermediates, drug substances/products and measuring residual impurities Develop product characterization strategies and methodologies to advance Sana’s pipeline Develop and execute methods to implement control strategies for gene and cell therapy products Create detailed documentation of experimental procedures and results in the electronic laboratory notebook and complete the review and approval of notebook entries per established policy Present results at group meetings and communicate effectively with a broad audience with a range of technical, analytical, and biological expertise Serve as a subject matter expert on potency, immunoassay, and other cell-based methods Draft, review, and/or approve technical documents (e.g., Test Methods, SOPs, Development Reports, and Technical Reports, and comprehensive study plans) Perform calibration, maintenance, troubleshooting, and qualification of instruments and reagents Maintain inventory of reagents and improve

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. Available Locations San Francisco, US US About the Role Account Executives, Channel Account Managers, Business Development Representatives, Solution Engineers, Customer Success, and Sales Operations - all working together help our customers adopt Cloudflare and create great Internet-enabled experiences. The sales team at Cloudflare helps customers solve real, technical problems while creating the revenue streams that help the company provide free

About us Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software, and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers, and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. Job Summary Reporting to the Validation leadership team, the Principal Execution and Quality Validation Engineer will be responsible for driving validation execution, automation, product quality, and release readiness across Graphcore silicon and platform technologies. The role combines deep expertise in hardware validation, test automation, and quality engineering with a strong focus on execution excellence. Working closely with architecture, design, verification, firmware, software, systems engineering, and validation teams, the successful candidate will develop scalable validation methodologies, improve test coverage and execution efficiency, and ensure products meet the highest standards of functionality, reliability, and performance before customer deployment. As a recognized technical leader within the validation organisation, this role will influence validation strategies, automation roadmaps, and quality practices across multiple projects and engineering disciplines. The Team The Validation Execution and Quality team sits within the Validation organisation and is responsible for improving validation effectiveness, te

About us Graphcore is one of the world’s leading innovators in Artificial Intelligence compute. It is developing hardware, software and systems infrastructure that will unlock the next generation of AI breakthroughs and power the widespread adoption of AI solutions across every industry. As part of the SoftBank Group, Graphcore is a member of an elite family of companies responsible for some of the world’s most transformative technologies. Together, they share a bold vision: to enable Artificial Super Intelligence and ensure its benefits are accessible to everyone. Graphcore’s teams are drawn from diverse backgrounds and bring a broad range of skills and perspectives. A melting pot of AI research specialists, silicon designers, software engineers and systems architects, Graphcore enjoys a culture of continuous learning and constant innovation. Job Summary Reporting to senior leadership within Architecture and Validation, the Debug Validation Lead will drive post-silicon debug and validation activities for next-generation AI compute silicon and systems. The role is responsible for leading teams focused on identifying, reproducing, analysing and resolving complex silicon, firmware and system-level issues during bring-up, characterization and product readiness. This position combines deep technical debugging expertise with strong cross-functional collaboration across multiple engineering disciplines. The role will work closely with architecture, RTL, firmware, software and systems teams to improve debug methodologies, accelerate issue resolution and strengthen validation coverage. The role will work closely with architecture, RTL, firmware, software, systems and platform teams to improve debug methodologies, accelerate issue resolution and strengthen validation coverage. The Team The Post-Silicon Debug and Validation team sits within the Architecture and Validation organisation and is responsible for bring-up, debug and validation of Graphcore silicon and systems. The

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 the DRAM Technology Development team at Micron, pushing the limits of memory scaling and performance. Our work spans cutting-edge lithography and tight collaboration across integration, etch, deposition, and CMP to bring new nodes to life. If you enjoy solving complex patterning challenges on advanced tools including EUV we’d love to have you! In this role, you will lead photolithography process development for next-generation DRAM. You’ll own process modules, drive roadmap decisions, and translate concept to manufacturable solutions on pilot lines and into high-volume fabs. This is a hands-on, high-impact position working closely with cross-functional teams and equipment/material partners! Responsibilities: Develop and optimize photo processes to meet device physical and electrical requirements while reducing cost and variability Lead a lithography module; create manufacturing-friendly solutions across 365nm, 248nm, 193i, and EUV Partner with integration and unit process teams; drive vendor engagement for new materials and equipment solutions Analyze failures and process limits; perform root cause and DOE-based improvements Document plans, results, and drive transfer to production fabs Minimum Qualifications: Bachelor’s degree in engineering, physics, or related field and 7+ years of semiconductor experience, or MS/PhD with 6+ years in photolithography Deep knowledge of imaging

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. As a Principal Engineer and Member of the Technical Staff in the Procurement and Operations Central Teams (PROCT) and Advanced Development Team (ADT), you will primarily focus in the early maturity phase of new products as they transition from technology development centers to our high-volume manufacturing sites. Your contributions to our team will support innovation and enable improvements in product yield, quality and cost reduction that are vital to enable our manufacturing strategy. We are looking for outstanding candidates experienced with semiconductor process development/optimization, hardware and supplier management, and an understanding of NAND & DRAM integration to contribute and grow with our organization. Good organization skills and the ability to work independently or in teams is a must and because this role is essential to the success of Micron's products it will require international travel to Micron manufacturing and technology development sites. Your responsibilities include, but are not limited to: Collaborate with Technology Development (TD) on future technology requirements and model of record requirements to ensure manufacturing roadmap is aligned with the forward technology path Partner with TD and Manufacturing on supplier engagement to ensure resources meet Micron's strategic objectives. Collaborate with Manufacturing as new products are introduced to improve performance and enable customer qualification. Connect with co

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 the Track & Trim Equipment Development Engineering team, driving innovation at the heart of advanced semiconductor manufacturing. We partner across process, integration, and manufacturing teams to bring next-generation lithography capabilities—including EUV—to life. If you enjoy solving complex technical challenges and crafting the future of high-volume manufacturing, you’ll feel right at home here! In this role, you will serve as a technical leader and recognized authority on photolithography Track and Trim systems. You’ll lead critical programs, influence process strategy, and ensure equipment performance at advanced nodes. Your work will directly impact yield, cost, and scalability throughout international fabrication facilities, making this a highly visible and rewarding opportunity. Responsibilities: Serve as SME for Track & Trim systems; define process strategy and resolve complex equipment and process issues Lead equipment lifecycle programs including selection, installation, qualification, and deployment for advanced nodes including EUV Improve tool uptime, reliability, and performance to meet yield and cost targets in high-volume manufacturing Drive safety and operational perfection by embedding safe practices (PPE, LOTO, chemical safety) into equipment and processes Partner with multi-functional teams and vendors to develop, optimize, and scale solutions across global fabs Minimum Qualifications: B

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. As a Principal Engineer and Member of the Technical Staff in the Procurement and Operations Central Teams (PROCT) and Advanced Development Team (ADT), you will primarily focus in the early maturity phase of new products as they transition from technology development centers to our high-volume manufacturing sites. Your contributions to our team will support innovation and enable improvements in product yield, quality and cost reduction that are vital to enable our manufacturing strategy. We are looking for outstanding candidates experienced with semiconductor process development/optimization, hardware and supplier management, and an understanding of NAND & DRAM integration to contribute and grow with our organization. Good organization skills and the ability to work independently or in teams is a must and because this role is essential to the success of Micron's products it will require international travel to Micron manufacturing and technology development sites. Your responsibilities include, but are not limited to: Collaborate with Technology Development (TD) on future technology requirements and model of record requirements to ensure manufacturing roadmap is aligned with the forward technology path Partner with TD and Manufacturing on supplier engagement to ensure resources meet Micron's strategic objectives. Collaborate with Manufacturing as new products are introduced to improve performance and enable customer qualification. Connect with co

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. From the early days, simulated physics has been the foundation of the way users build in Roblox. Our physics engine enables dynamic environments with emergent behavior making games more immersive and exciting. The Physics team develops Roblox's proprietary distributed physics engine. Our team implements the mathematical models behind our dynamic simulation engine, and ships engine APIs and tools that developers use every day. These models incorporate rigid body dynamics arising from external forces, collisions, and constraints while optimizing for real-time performance. We work on integrating the low level physics solver into the rest of the engine for online gameplay across multiple platforms. You will report to the Physics Environment Engineering Manager. You Will: Innovate and implement powerful physics features that empower Roblox developers to create immersive and dynamic experiences. Drive innovation through research and rapid prototyping , translating new ideas into practical solutions that stand the test of time. Optimize and enhance the robustness and performance of the physics engine and its integrations, ensuring a seamless user experience. Collaborate with internal teams and ext