Principle Fac Engineer Jobs

London, UK Principal Engagement Leads at Thoughtworks are the delivery and solution leaders for AI-native advisory engagements. This role combines the responsibilities of an engagement manager, product leader, and systems thinker. You will dictate how high-level strategy translates into working solutions and measurable outcomes. You sit at the center of the engagement, connecting client intent, business outcomes, and execution reality to break down doors, get engagements started, and set up our delivery teams for success. By balancing strong opinions with high intellectual curiosity and flexibility, you bring integrity to technology, driving innovation at the absolute edge of AI strategy. Job responsibilities You will own the delivery of outcomes by translating client goals into clear workstreams, milestones, and outputs, driving the “last mile” from idea to implementation. You will structure and drive AI-native advisory engagements, breaking down complex, ambiguous problems into clear, actionable components across team members, AI agents, and client stakeholders. You will orchestrate AI-native delivery, designing how AI is used across analysis, scenario modeling, workflow generation, and documentation while effectively managing output quality. You will ensure quality and coherence across the engagement, reviewing outputs for logical consistency, business relevance, and technical feasibility to build a cohesive narrative. You will interface directly with client delivery leadership (such as CTOs, CIOs, and program leads), translating advisory recommendations into practical execution paths and navigating tradeoffs in real time. You will proactively manage risk and execution reality, identifying technical, organizational, or commercial delivery risks early and adjusting the approach to maintain progress. You will build reusable delivery patterns, capturing and refining repeatable workflows, engagement models, and decision frameworks to expand our library of AI-na

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. About the Role The AI revolution is here, and enterprises are racing to adopt GenAI—but they cannot deploy what they cannot secure. Zscaler is seeking an experienced Principal AI Security Specialist to bridge the gap between cutting-edge AI innovation and robust enterprise security. In this highly strategic, field-facing role, you will combine the elite consultative strengths of a Solutions Engineer with deep expertise in LLMs, RAG architectures, and data protection. As our premier technical authority, you will partner with Fortune 500 executives and architects, serving as a trusted advisor to help them confidently unlock the power of AI without compromising their data or infrastructure. If you are a builder, an educator, and a master storyteller who thrives in a fast-evolving market, this is your chance to lead the industry's most critical conversation. What You’ll Do Architect the AI Technical Strategy: Partne

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. We are seeking experienced professionals with a strong background in Artificial Intelligence, Machine Learning, and Cloud Architecture to join our Services Delivery team to help create exciting new offerings and capabilities for our customers! In this strategic role, you will help customers expand their use of the Snowflake Data Cloud to bring AI/ML pipelines from ideation to full production. Leveraging Snowflake’s native features and extensive partner ecosystem, you will advise clients on best practices for scaling production-ready workloads. You will design tailored AI/ML solutions, coordinate closely with customer teams and Systems Integrators, and provide the technical leadership and oversight needed to ensure successful outcomes. AS A PRINCIPAL SOLUTIONS ARCHITECT AT SNOWFLAKE, YOU WILL: Be a technical expert on all aspects of Snowflake in relation to the AI/ML workload and provide customers with best practices given Snowflakes technology stack. Work with customers to understand their AI/ML use case, discover key requirements, and architect a Snowflake-centric solution to be delivered by Services Delivery. Understand how to build, deploy and AI and ML pipelines using Snowflake features and/or Snowflake ecosystem based on customer requirements. Work hands-on where neede

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: Washington DC, Austin, NYC, San Francisco About the Dept Cloudflare’s engineers build and operate the software that helps power 25+ million Internet properties and millions of businesses around the world. Across our engineering organizations, we have opportunities for high caliber, curious and empathetic people to take on big challenges and build some of the best skills in the industry. We’re looking for talented team members

Who is Tenable? Tenable® is the Exposure Management company. Over 40,000 organizations around the globe rely on Tenable to understand and reduce cyber risk. Our global employees support 65 percent of the Fortune 500, 50 percent of the Global 2000, and large government agencies. Come be part of our journey! What makes Tenable such a great place to work? Ask a member of our team and they’ll answer, “Our people!” We work together to build and innovate best-in-class cybersecurity solutions for our customers; all while creating a culture of belonging, respect, and excellence where we can be our best selves. When you’re part of our #OneTenable team, you can expect to partner with some of the most talented and passionate people in the industry, and have the support and resources you need to do work that truly matters. We deliver results that exceed expectations and we win together! Applicants must be authorized to work for any employer in the U.S. without sponsorship. We are unable to provide sponsorship for work visas of any kind at the time of hire, or at any point during employment. This includes, but is not limited to: F1-OPT, F1-CPT, H-1B, TN, J-1, etc Your Role: Tenable is seeking a Principal Solutions Architect to drive the technical depth and strategic impact of our AWS GTM partnership. This is a high-visibility, field-facing role sitting at the intersection of partner engineering (co-build), co-sell execution, and AWS ecosystem strategy. You will be the primary technical voice for the AWS alliance — enabling Tenable field SEs and AWS SA’s globally, advancing joint go-to-market motions with AWS, and shaping how Tenable's exposure management platform is positioned alongside AWS-native services and marketplaces. This is a backfill of an established Principal-level seat with deep internal and external stakeholder relationships already in place. The right candidate will be technically rigorous, comfortable operating at an executive level, executing against key go

Elastic, the Search AI Company, enables everyone to find the answers they need in real time, using all their data, at scale — unleashing the potential of businesses and people. The Elastic Search AI Platform, used by more than 50% of the Fortune 500, brings together the precision of search and the intelligence of AI to enable everyone to accelerate the results that matter. By taking advantage of all structured and unstructured data — securing and protecting private information more effectively — Elastic’s complete, cloud-based solutions for search, security, and observability help organizations deliver on the promise of AI. Are you looking to make a real impact and play a meaningful role in the growth of our company? As a Principal Solutions Architect, Security Specialist at Elastic, you will bring deep expertise in SIEM solutions, security technologies, and consultative selling to support customers in securing their data and infrastructure. You will bring to bear your knowledge of vendor ecosystems, security architectures, and operational processes to help customers solve complex challenges, enhance incident response, and build modern, scalable security solutions. What You Will Be Doing: Architect next-generation security solutions: Design and implement innovative solutions using Elastic's latest advancements in AI, to help improve incident response Harness the power of the Elastic Security Solution to enable organizations to achieve their use case requirements and improve overall operational efficiency Deliver compelling proof-of-value (POV) projects: Showcase the value of Elastic Security’s detection, AI, and Incident Response capabilities, demonstrating the potential to improve the analyst experience and shorten the time it takes for an analyst to make an informed decision. Be a leader with a point of view and promote our vision: Share your expertise through presentations, blog posts, and other channels, positioning Elastic as the leader in SIEM and Analytics Ch

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. Responsibilities As a Principal Engineer, Dry Etch Tool Installation Qualification for OCT, you will be considered an area domain expert in Dry Etch and will work as a site partner with Micron FABs globally and supplier partner with suppliers. Understand short-term and long-term Cost goals within Front End and ensure alignment to corporate business goals. Initiate and drive multi-functional programs to achieve department business goals Facilitate the definition of program scope, goals, work, timeline and resource requirements in collaboration with sponsors and partners Manage the definition, refinement, and implementation of core methodologies and tools for business process including reporting Collaborate with project teams to understand the business value of projects and programs in place and how they contribute to BIC plan. Provide program and project performance updates periodically with communication across functional groups. Ensure strategic roadmaps with important measures for Schedule and Cost are developed, maintained, and tracked to latest BIC targets. Lead and continuously improve the TIQ business processes, continual improvement project and BKM alignment. Prioritize and lead numerous projects based on Fab and corporate objectives. Move projects effectively through project lifecycle – definition, planning, implementation, acceptance and review. Facilitate and drive global peer groups to align strategy and roadmap to achieve area o

What you’ll do Partner with medical image reconstruction scientists / engineers to build ML components that improve reconstruction quality, speed, robustness, or quantitative accuracy. Define training/evaluation pipelines, datasets, and metrics that map to user needs and design requirements. Productionize models: inference performance, reproducibility, monitoring for drift/regressions, and safe fallbacks. Collaborate on hybrid algorithms, incorporating physics and learned priors, denoisers, learned regularizers, and quality estimation. Help build tooling for rapid experimentation as well as rigorous verification of algorithm changes. What we’re looking for Strong applied ML experience plus comfort with signal processing / imaging or adjacent domains. Ability to move fluidly between research prototypes and production-quality systems. Strong evaluation discipline: metrics, ablations, data leakage avoidance, and reproducibility. A demonstrated track record of applying ML to physics-based or inverse problems (i.e., shipped projects, a portfolio, or publications.) Useful experience ML for imaging/inverse problems (or adjacent) with strong evaluation discipline and comfort with GPU performance constraints. Pragmatic production mindset: reproducible training/inference, regression testing, and safe deployment in high-stakes contexts. A background in computational physics or scientific computing. Leverage ML-based methods such as PiNNs and Neural Operators to solve partial differential equations arising in ultrasound simulation and imaging. Experience in Agentic-SciML is a plus. Hands-on experience with data curation for ML: building datasets from messy, real-world sources, defining ground truth, and managing labeling or simulation pipelines. Background in data assimilation: combining observations with physics-based models (Kalman filtering, variational methods, ensemble approaches, or learned variants).

What you’ll do Act as the technical lead for large parts of the scanner platform: system architecture, codebase structure, and long-term maintainability. Own core runtime foundations: distributed control, state management, fault handling, and reliability. Drive engineering rigor: testability, code quality, review standards, performance regression prevention, and release processes. Build robust observability: logs, metrics, traces, and replayable diagnostics (with privacy constraints). Collaborate with hardware and recon/ML teams to define interfaces, data contracts, timing/synchronization, and failure modes. Lead complex refactors (e.g., message passing / RPC boundaries, modularization, concurrency model) without halting forward progress. What we’re looking for Deep software architecture experience for real-world systems: robotics, instrumentation, medical devices, or other complex distributed products. Strong Python and concurrency background (asyncio, multiprocessing, profiling, performance engineering). Track record of shipping systems that are observable, debuggable, and resilient. Strong technical leadership: clarity, pragmatic trade-offs, and mentoring. Useful experience Building but rock-solid systems: clear interfaces (gRPC/protobuf or equivalent), strong state modeling, and failure handling. High-leverage engineering habits on a lean team: good tests, CI, reproducible dev environments, and fast code review. Practical performance + concurrency work in Python (asyncio, profiling, multiprocessing) and comfort debugging distributed behavior. Security-minded device software: safe defaults, encrypted data paths, and disciplined handling of PII/PHI. Operational thinking: remote updates/management, excellent logging, and diagnostics that make real hardware debuggable.

Block is one company built from many blocks, all united by the same purpose of economic empowerment. The blocks that form our foundational teams — People, Finance, Counsel, Hardware, Information Security, Platform Infrastructure Engineering, and more — provide support and guidance at the corporate level. They work across business groups and around the globe, spanning time zones and disciplines to develop inclusive People policies, forecast finances, give legal counsel, safeguard systems, nurture new initiatives, and more. Every challenge creates possibilities, and we need different perspectives to see them all. Bring yours to Block. The Role As a Principal Security Engineer focused on Software Security Engineering at Block, you will be a technical leader reporting to the CISO responsible for setting the bar for security excellence and driving the creation of innovative, world-class software solutions to complex security problems. You will work across Engineering and Information Security (InfoSec) to champion a "Secure by Design" culture, directly influencing the architecture of Block's core products and infrastructure. Your mandate is to provide deep technical expertise and strategic direction to ensure that security is enabling fast, secure innovation across the business. You Will Software Security Innovation : Deliver world-class and innovative software solutions to security problems, tackling Block's top risks such as technology fragmentation and security after-the-fact. Technical Strategy & Architecture : Define the multi-year technical strategy for software security at Block, guiding architectural decisions and ensuring alignment with engineering best practices. Cross-Cutting Solution Leadership : Identify and lead the development and implementation of common, high-leverage security solutions and infrastructure across Block's business units (Square, Cash App, TBD, etc.) to combat data sprawl and overpermissioning. Drive engineering excellence , specifically

About the job Build the cloud platform that powers Graphcore’s next generation AI systems. As a Principal Cloud Engineer, you will help develop, deploy and operate cloud services across Graphcore’s AI infrastructure. You will work on private and public cloud systems used by internal teams and customers. Your work will shape how high-performance AI systems are integrated, validated, benchmarked and optimised. You will help keep complex infrastructure reliable, observable and ready for demanding workloads. You will own significant technical initiatives, from OpenStack-based services to Infrastructure-as-Code automation. You will also mentor engineers and turn user needs into services that perform at scale. This role puts you close to pre-release hardware, advanced systems and real product challenges. The Team and Culture The Cloud Platform Team sits within Software Platform and works closely with Software Platform, Datacentre Operations and Product Development. The team builds systems for internal users and customers, often using new components before they are proven. Work moves through practical engineering, clear ownership and fast feedback from users. You will be expected to take responsibility, speak up early and lead critical infrastructure work without close oversight. Decisions are grounded in evidence from benchmarks, observability data and operational performance. The team values engineers who can think big, act fast and bring others with them. What we’re looking for Bachelor's degree or equivalent practical experience in a relevant subject. Strong infrastructure or IT background, with private-cloud or on-premises cloud experience. Expert Linux system administration and scripting skills, including bash and Python. Hands-on experience with Infrastructure-as-Code tools such as Terraform/OpenTofu, Ansible or Packer. Experience with CI or testing pipelines, version control and cloud service deployment. Strong communication skills, with the judgement

At Snowflake, we are powering the era of the agentic enterprise. To usher in this new era, we seek AI-native thinkers across every function who are energized by the opportunity to reinvent how they work. You don’t just use tools; you possess an innate curiosity, treating AI as a high-trust collaborator that is core to how you solve problems and accelerate your impact. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset — who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results. At Snowflake, your role isn't just to execute a function, but to help redefine the future of how work gets done. We are looking for a Principal Solution Engineer who will serve as a dedicated trusted advisor and proactive strategic technology partner for our customers in Financial Services. In this role you will work directly with C-level executives, data leaders, and engineering teams to influence the data, AI and technology roadmap while driving expanded consumption and adoption of Snowflake's AI Data Cloud platform. You will also serve as the technical customer advocate internally at Snowflake, working closely with our product managers and technical executive sponsors to ensure customer needs drive product innovation. As a Snowflake Principal Solution Engineer you must excel at translating complex technical concepts into compelling business value propositions that resonate with executive stakeholders. You thrive in strategic account environments, have exceptional C-level communication skills, and possess the gravitas to influence technology roadmaps at the highest organizational levels. You are equally comfortable presenting to boards and CEOs as you are collaborating with engineering teams and advocating for customer requirements with our internal product organization. In this role you will get to: Present Snowflake's AI Data Cloud technology and strategic vision to C-level execut

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. As a Fab Engineer at Micron Technology, Inc., you will be working with a team of other process and equipment engineers responsible for starting up, developing and optimizing processes to improve product quality and reliability, working on process yield improvement, cost reduction, productivity improvement and risk management as well as resolving manufacturing line problems. This position will identify, diagnose and resolve process related problems by applying failure analysis, FMEA, 8D or SPC methodology. Additional responsibilities include coordinating and carrying out process, equipment and material evaluation/optimization to implement changes at process step, leading and participating in yield improvement and cost reduction activities, handling new process baseline qualifications and managing, auditing and liaising with material suppliers to achieve quality, cost and risk management objectives. Responsibilities: Strategize and lead productivity, yield, quality, cost improvement engagement with global sites and network team via process optimization, new/FOAK chemistry & technology qualification, CIP development collaboration with suppliers. Collaborate with cross functional team for breakthrough in defects reduction and particle removal efficiency enhancemen

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 technology cycles across APAC accelerate, Asia Sales has a strong opportunity to lead at the forefront of emerging innovations. This role is critical to harness early APAC technology signals and translate them into actionable BU roadmap inputs and sales-ready strategies - enabling the organization to proactively anticipate, shape, and monetize new opportunities together with BU ahead of market inflection points. Responsibilities: Emerging Technology Scouting - Identify and track new technologies and applications across APAC - Analyze gaps between global roadmaps and local market developments - Provide structured insights to Sales and BU leadership Ecosystem Engagement - Build connections with startups, system integrators, and key enablers - Act as a local interface for BU to access non-traditional ecosystem players - Facilitate technical and business introductions BU Interface & Localization - Serve as APAC contact point for emerging technology discussions - Translate local requirements into BU inputs (features, roadmap considerations) - Provide feedback on product-market fit in APAC Sales Enablement - Convert emerging technologies into sales narratives and use cases - Develop early-stage training for Sales and FAE teams - Anticipate future skill requirements for the Sales organization Opportunity Incubation - Identify and shape ear

Our vision is to transform how the world uses information to enrich life for all. Join an inclusive team passionate about one thing: using their expertise in the relentless pursuit of innovation for customers and partners. The solutions we build help make everything from virtual reality experiences to breakthroughs in neural networks possible. We do it all while committing to integrity, sustainability, and giving back to our communities. Because doing so can fuel the very innovation we are pursuing. As a Fab Engineer at Micron Technology, Inc., you will be working with a team of other process and equipment engineers responsible for starting up, developing and optimizing processes to improve product quality and reliability, working on process yield improvement, cost reduction, productivity improvement and risk management as well as resolving manufacturing line problems. This position will identify, diagnose and resolve process related problems by applying failure analysis, FMEA, 8D or SPC methodology. Additional responsibilities include coordinating and carrying out process, equipment and material evaluation/optimization to implement changes at process step, leading and participating in yield improvement and cost reduction activities, handling new process baseline qualifications and managing, auditing and liaising with material suppliers to achieve quality, cost and risk management objectives. Responsibilities Strategize and lead productivity, yield, quality, and cost improvement engagements with global sites and the network team via plasma process optimization, new/FOAK chemistry & hardware qualification , and CIP development collaboration with dry etch suppliers. Collaborate with cross-functional teams to drive breakthroughs in def