Senior Security Architect Jobs

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 Minnesota About the Role At Cloudflare, we are on a mission to help build a better Internet. As the architectural complexity of enterprise solutions scales, we are evolving how we partner with our customers. The Customer Engineer (CE) represents the core driver of our technical go-to-market strategy: a trusted advisor who owns the technical relationship from the initial discovery phase through to long-term adoption and ongoing accoun

Who We Are Nuro believes self-driving vehicles are the most immediate and profound opportunity for AI to drive positive change in the physical world. Safer streets, more time for what matters, and easier access to the world around us, that’s why we’re building a universal autonomy platform: self-driving for all roads and all rides. Founded in 2016, Nuro is a physical AI company developing Level 4 autonomous driving technology for a wide range of vehicles, use cases, and markets. Powered by the Nuro Driver™, our universal autonomy platform enables the global mobility ecosystem to deploy autonomy at scale, from robotaxis and logistics fleets to personal vehicles. With years of real-world deployment experience and a flexible, partner-led business model, Nuro is working toward a future where millions of autonomous vehicles powered by our technology help make everyday life safer, easier, and more connected. Nuro has raised over $2B in capital from Uber, NVIDIA, Google, Softbank, Fidelity, T. Rowe Price, and other leading investors. About the Role The ML Infrastructure team is responsible for building & improving the core infrastructure for autonomy teams at Nuro. In this role, you will work closely with teams across Nuro, to design, build and deploy core infrastructure components in machine learning model life cycle, to push the autonomous future forward. You will have an opportunity to work across the full stack of machine learning solutions - from designing robust and scalable model & data pipelines to building to deploying the optimized models on Nuro’s fleet of self-driving robots! About the Work Design and develop ML workflow pipelines to train, optimize, validate, and deploy Nuro autonomy models. Develop and maintain continuous testing and monitoring systems for core ML infrastructure components. Develop observability to track ML model lifecycles from data generation to on-road validation. Maintain an in-house ML inference platform to serv

Who We Are Nuro believes self-driving vehicles are the most immediate and profound opportunity for AI to drive positive change in the physical world. Safer streets, more time for what matters, and easier access to the world around us, that’s why we’re building a universal autonomy platform: self-driving for all roads and all rides. Founded in 2016, Nuro is a physical AI company developing Level 4 autonomous driving technology for a wide range of vehicles, use cases, and markets. Powered by the Nuro Driver™, our universal autonomy platform enables the global mobility ecosystem to deploy autonomy at scale, from robotaxis and logistics fleets to personal vehicles. With years of real-world deployment experience and a flexible, partner-led business model, Nuro is working toward a future where millions of autonomous vehicles powered by our technology help make everyday life safer, easier, and more connected. Nuro has raised over $2B in capital from Uber, NVIDIA, Google, Softbank, Fidelity, T. Rowe Price, and other leading investors About the Role Nuro takes a machine-learning-first approach to autonomous driving, and the ML Infrastructure team builds and operates the infrastructure that makes that possible. We own the systems that train the models at the core of the Nuro Driver™ - from distributed GPU training and closed-loop reinforcement learning, to the workflows, orchestration, observability, and cost management that keep the fleet running efficiently. Our work sits directly on the critical path of autonomy development. When a training run stalls, when a pipeline silently regresses, or when GPU utilization slips, it shows up in how fast the rest of the company can ship. We care as much about reliability and operational maturity as we do about raw scale. About the Work Contribute to Nuro’s training infrastructure, spanning multi-generation accelerators, and multi-cluster scheduling and orchestration. Design and operate large-scale data pipelines - batch and strea

Reddit is a community of communities. It’s built on shared interests, passion, and trust, and is home to the most open and authentic conversations on the internet. Every day, Reddit users submit, vote, and comment on the topics they care most about. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet’s largest sources of information. For more information, visit www.redditinc.com . The Team: Shopping at Reddit is one of the company's biggest bets. Shopping is core to Reddit's monetization strategy and Dynamic Product Ads (DPA) is one of our fastest-growing verticals. The Shopping product org has end-to-end ownership of how advertisers and Redditors interact with products and purchasing decisions. Our strategy is built on Reddit's unique strength - authentic, community-generated content. The Opportunity: The Product Catalog is the single source of truth for product data across paid and organic Shopping. It powers paid and organic shopping products and the Product Knowledge Graph (PKG). We're hiring a Product Manager to own Catalogs and Applied PKG end-to-end. The aspiration is to turn this asset into a platform that drives ROAS and powers product discovery across Reddit. This role sits at the intersection of advertiser tooling, product & content understanding and user experiences. You will partner deeply with the Catalogs engineering team, the Ads Content Understanding (ACU) team, and the Shopping product team across performance, formats and more. What You'll Do: Cut advertiser onboarding friction and prepare for the next phase of Shopping @ Reddit. Move catalog onboarding from days to hours through better error handling, automated feed-issue resolution, productID/item-group-ID matching improvements, and (longer-term) URL-to-catalog automation. Stand up the foundations of a Reddit Merchant Center. Ship the next phase of catalog innovation. Drive LLM-based catalog enrichment (fill missing

InMobi (Corporate) InMobi Group is a global technology company shaping the future of agentic commerce and advertising. Through its ecosystem of businesses — including InMobi Advertising and flagship consumer platform Glance — InMobi leverages data, machine learning, and generative AI to help brands reach audiences more precisely and consumers discover products more intuitively. Glance, which is pioneering new models of agentic commerce, is owned and operated by Glance InMobi Pte. Ltd., a non-consolidated subsidiary of InMobi Pte. Ltd. InMobi Advertising InMobi Advertising, part of global technology company InMobi, is an agentic advertising platform helping brands and merchants achieve their business outcomes. Through its proprietary intelligence, AI-led solutions, and vast consumer reach — including flagship consumer platform Glance — InMobi Advertising delivers the omnichannel performance defining what's next in advertising and commerce. Glance is owned and operated by Glance InMobi Pte. Ltd., a non-consolidated subsidiary of InMobi Pte. Ltd. To learn more, visit advertising.inmobi.com. Glance Glance is an intelligent shopping agent, redefining the commerce experience. Powered by proprietary agentic intelligence and generative AI, Glance delivers a hyper-personalized consumer experience across mobile and TV — shaping the new era of shopping. Glance is operated by Glance InMobi Pte. Ltd., a non-consolidated subsidiary of global technology leader InMobi, and is backed by Mithril Capital, Google and Jio Platforms. To learn more, visit glance.com. Overview of the Role: InMobi is seeking a passionate, ambitious, and driven Senior Sales Manager to drive new logo activation for InMobi's App Performance Solutions team across the DACH region and broader EMEA market. In this role, you'll be responsible for identifying, engaging, and closing high-value opportunities with some of the largest brands across non-gaming verticals. This is a high-impact, quota-carrying role ideal f

WHAT IS BOX? Box (NYSE:BOX) is the leader in Intelligent Content Management. Our platform enables organizations to fuel collaboration, manage the entire content lifecycle, secure critical content, and transform business workflows with enterprise AI. We help companies thrive in the new AI-first era of business. Founded in 2005, Box simplifies work for leading global organizations, including JLL, Morgan Stanley, and Nationwide. Box is headquartered in Redwood City, CA, with offices across the United States, Europe, and Asia. By joining Box, you will have the unique opportunity to continue driving our platform forward. Content powers how we work. It’s the billions of files and information flowing across teams, departments, and key business processes every single day: contracts, invoices, employee records, financials, product specs, marketing assets, and more. Our mission is to bring intelligence to the world of content management and empower our customers to completely transform workflows across their organizations. With the combination of AI and enterprise content, the opportunity has never been greater to transform how the world works together and at Box you will be on the front lines of this massive shift. WHY BOX NEEDS YOU Box's Network as a Service (NaaS) team owns every network interaction at Box — from the edge of our platform to the deepest layers of our internal infrastructure. You'll work across both our Edge and internal network layers, building and scaling the distributed systems and software load balancers that power how Box applications communicate with each other and with customers around the world. As a Senior Software Engineer on the NaaS team, you will drive the architecture, development, and rollout of critical networking solutions end-to-end. You'll collaborate with experienced engineers from leading technology companies, mentor teammates, and take full ownership of problems from ideation through impact measurement. This is a rare opportunity

About the Team DoorDash’s mission is to grow and empower local economies. By building intelligent, last-mile delivery technology for local cities, DoorDash connects people with the local businesses they care about — helping grow businesses and the communities that support those businesses. To further this mission, we’re looking for a marketer who will sit at the intersection of growth, brand, product, and operations, to develop integrated marketing strategies for our merchant business at DoorDash. The integrated marketing team is a group of marketing generalists responsible for translating business goals into marketing strategies and serving as the general manager across the organization to bring those strategies to market. About the Role The B2B Performance Marketing team is looking for a strategic, entrepreneurial, and data-driven marketer to grow DoorDash's Marketplace. This role will support DoorDash's growing Software-as-a-Service (SaaS) business, with a primary focus on SevenRooms and additional support for DoorDash Commerce Platform. Reporting to the Senior Manager, B2B SMB Marketplace & SaaS Performance Marketing, you'll develop and execute global paid media strategies designed to drive merchant acquisition, product adoption, and revenue growth. You'll build integrated media plans, manage account-based marketing (ABM) initiatives, lead experimentation across channels, and identify opportunities to drive incremental pipeline through data-driven optimization. We're looking for someone with a proven track record of thriving in a fast-paced environment with a "roll up your sleeves" attitude, strong bias for action, and an ownership mindset. The ideal candidate is equally comfortable thinking strategically about long-term growth opportunities while diving into campaign performance, analytics, experimentation, audience strategy, and measurement to uncover actionable insights. They are highly organized, collaborative, and passionate about using paid media

About the Team DoorDash completes over 2.5 billion deliveries per year and is investing heavily in the next generation of delivery automation. This role is part of a small, high-impact team building a new autonomous system from the ground up, with the potential to eventually operate at a massive global scale. We haven’t publicly announced this specific project yet. We are seeking a highly capable, driven, and passionate mechanical engineer to design and develop high performance electric motors. The primary application of these motors is unmanned aerial vehicle (UAV) propulsion. There are other important motors on our aircraft and within ground equipment that we may decide to develop in house as well. About the Role This is an exploratory product space with significant opportunity for architectural ownership. This role is on-site in San Francisco’s mission district at least 3 days per week. Availability to be onsite 5 days per week is required with flexibility to work from home as appropriate. Occasional travel to suppliers is expected. You will operate in a very fast-paced, prototype-driven environment where hands-on engineering and rapid iteration are encouraged. We provide access to a full machine shop with welding equipment, additive manufacturing tools, electrical integration tools, and significant in-house test capability to enable efficient concept-to-hardware development. This is a senior role that offers autonomy, cross-functional collaboration, mentoring, and opportunities for increasing responsibility. You're excited about this opportunity because... Collaborate closely with: Electro-mechanical design experts on winding and magnet design. Internal, domestic and foreign manufacturing partners Electrical, systems, structural, aerodynamics, reliability, and test engineers as well as industrial design to refine requirements. Design mass and volume optimized rotor and stator structures. Bearing selection and bearing system design. Electrical wiring and co

Senior Engineering Technician About Us: Samara Aerospace is revolutionizing satellite design by addressing the challenges of deploying and managing large satellite constellations. Our innovative Hummingbird spacecraft bus offers a modular and scalable platform that streamlines satellite production and deployment, significantly reducing launch costs. Hummingbird's compact architecture maximizes launch capacity, making it the most efficient and agile spacecraft in the industry. At the core of our technology is the patented Multifunctional Structures for Attitude Control (MSAC) system. Unlike traditional wheel-based pointing control systems, MSAC utilizes actuators embedded in the hinges of deployable solar panels to provide 3-axis attitude control and active jitter cancellation. This design eliminates the need for spinning wheels, reducing mass and potential points of failure, while enhancing pointing precision. Role: Samara Aerospace is looking for a Senior Lab Technician to join our team as we build our first Hummingbird satellite technology demonstrator. As a growing startup, there are opportunities to lead the organization and layout of the development lab, support PCB rework, harness builds, CNC fabrication, hardware assembly, and environmental testing. You'll work alongside engineers across mechanical and electrical disciplines while contributing directly to hardware that will fly in space. If you like learning new skills, taking ownership, and doing work that matters, you'll fit right here. Within your first three months, as you establish yourself and demonstrate ownership, this role can be formalized into a Senior Technician/Lab Manager position where you would take responsibility for coordinating and mentoring new technicians as we grow the team. If you're a hands-on, organi

In this high-impact role, you will manage the full recruiting lifecycle for a diverse range of critical Hardware positions, which may span Supply Chain, Quality & Reliability, Vehicle Development, and Advanced Hardware Engineering. You will act as a brand ambassador, partnering closely with hiring managers to qualify requirements, source, recruit, and close world-class engineering talent. This position requires a unique blend of teamwork, dedication, and interpersonal skills. The ideal candidate will thrive in a fast-paced environment and be genuinely passionate about Zoox’s mission. In this role, you will: Own the full-cycle recruiting process with an emphasis on strong hiring manager partnership and effective candidate advocacy Source candidates, screen resumes, and evaluate candidates to determine fit Facilitate interview and hiring decision-making processes with interview panelists, hiring managers, and company leadership Manage offer process, partnering with hiring managers, leadership, and HR teams Qualifications: 8+ years of full-cycle technical recruiting experience in a competitive industry (sourcing, screening, and closing candidates) Ability to evaluate technical aptitude and screen candidates for both technical and behavioral fit Tech and industry knowledge with the ability to understand relevant skills and companies within the industry Consultative and interpersonal skills with the ability to communicate across all levels of the organization Proficiency in sourcing with LinkedIn as well as alternative techniques Bonus Qualifications: Interest in the autonomous and electric vehicle industry Expertise in leveraging at ATS (we use Lever) to build metrics, sourcing strategies, and talent pipelines Experience working for a recruiting agency Experience managing complex technical roles

Who we are: Sardine is the leading agentic risk platform for fighting financial crime. Our integrated solution unifies data across risk teams to help organizations stop fraud in real time, prevent AI-driven attacks, and automate fraud and AML operations. Sardine’s platform is strengthened by one of the fastest-growing fraud consortiums in the market, spanning more than 6 billion profiled devices, 800 million consumers, and 3 million businesses worldwide. Leading companies including FIS, GoDaddy, Intuit, Edward Jones, ZoomInfo, and Checkout.com rely on Sardine to secure and grow trust in their products. Our culture: We hire talented, self-motivated individuals with extreme ownership and high growth orientation. We value performance and not hours worked. We believe you shouldn't have to miss your family dinner, your kid's school play, friends get-together, or doctor's appointments for the sake of adhering to an arbitrary work schedule. We're a remote-first team spread across time zones, so no office to report to - work from wherever helps you do your best work. Just a couple of things to keep in mind: pay is based on where you're located, and you'll need to keep a home base in the country you're hired in. So while we love the "coffee shop today, mountains tomorrow" life, this isn't a passport-optional, work-from-anywhere-on-Earth kind of remote - think flexible within your country, not borderless. Location Remote - USA or Canada About the role We're looking for a data-driven professional to help us measure, understand, and improve the performance of our risk strategies — and to stay ahead of evolving fraud threats by designing and deploying data-driven solutions with real-world impact. You'll work directly with clients to understand their unique fraud challenges, rapidly prototype proof-of-concept models, and build scalable, production-ready solutions using machine learning and graph analytics. You'll also analyze complex datasets, design metrics, build dashboards, an

#Team Nextdoor Nextdoor (NYSE: NXDR) is the essential neighborhood network. Neighbors, public agencies, and businesses use Nextdoor to connect around local information that matters in more than 350,000 neighborhoods across 11 countries. Nextdoor builds innovative technology to foster local community, share important news, and create neighborhood connections at scale. Download the app and join the neighborhood at nextdoor.com . Meet Your Future Neighbors As an Android Software Engineer at Nextdoor, you’ll join a fast moving team of developers, product managers, and designers who are passionate about using technology to cultivate a kinder world where everyone has a neighbor they can rely on. The Nextdoor Android team works on features and infrastructure to deliver our values to our members. We care about making an incredible Android app that respects platform conventions and is delightful to use. We’re always trying to move faster and more safely, by adopting the latest practices, such as Kotlin, Jetpack Compose, and GraphQL. At Nextdoor, we operate in an AI-first environment and expect every team member to actively use AI tools as part of their workflow. We aren't looking for prompt engineers; we’re looking for people who use tools like Claude, Gemini, ChatGPT, and Glean to challenge their own thinking and take full ownership of AI-assisted outputs. We also offer a warm and inclusive work environment that embraces a hybrid employment model, blending an in office presence and work from home experience for our valued employees. The hiring team will go over these expectations with you if you are being considered for a role near one of our offices in San Francisco, Los Angeles, Chicago, Dallas, New York, and London. The Impact You’ll Make We believe in empowering our teams to own all aspects of bringing Nextdoor to life. As such, you’ll get the opportunity to make key contributions across our Android stack - this includes developing and improving our networki

We are looking for passionate technologists to join our Pre-Sales organization to ensure that our growth is grounded and guided by strong technical alignment with our platform and the needs of our customers. MongoDB Pre-Sales Solution Architects are responsible for guiding our customers and users to design and build reliable, scalable systems using our data platform. Our team is made up of seasoned technical sales professionals, software architects, entrepreneurs, and developers who take direct responsibility for customer success, including the design of their software, deployment, and operations. You'll work closely with our sales executives, helping customers solve business problems by leveraging our solutions, playing a key role in winning deals and driving the business forward. You'll be a trusted advisor to a wide range of users from startups to the world's largest enterprise IT organizations. We are looking to speak to candidates who are based in Denver for our hybrid working model. As an ideal candidate, you will have Ideally 8 to 11 years of related experience in a customer facing role, with 5 to 7 years of experience in pre-sales with enterprise software Minimum of 3 years experience with modern scripting languages (e.g. Python, Node.js, SQL) and/or popular programming languages (e.g. C/C++, Java, C#) in a professional capacity Experience designing with scalable and highly available distributed systems in the cloud and on-prem Demonstrated ability to work with customers to review complex architecture of existing applications, providing guidance on how to improve by leveraging technology Excellent presentation, communication, and interpersonal skills, with the ability to convey complex technical and business concepts in a clear and compelling manner to technology and business leadership Ability to strategize with sales teams and provide recommendations on how to drive a multi-threaded account strategy, aligning other MongoDB and ecosystem resources to

MongoDB is seeking a Sr. Manager of Partner Solution Architects to lead a global team dedicated to building and strengthening relationships across HyperScalers. This role is focused on strategic partner management, ensuring MongoDB’s platform is aligned with our partners’ needs and driving mutual success. This position is ideal for a leader with strong strategic and business acumen, experience in partner ecosystems, and a passion for enabling collaboration and growth. This role can be based out of our Palo Alto office or remotely in the US region. Role Responsibilities: Leadership & Strategic Partnership Management Lead and mentor a team of Partner Solution Architects, cultivating strong relationships across the partner ecosystem. Develop and execute strategic initiatives to align partner success with MongoDB’s objectives. Collaborate with cross-functional teams (product, engineering, sales) to drive strategic business plans for partner engagement. Technical Enablement & Market Relevance Equip partners with knowledge and resources to ensure technical alignment and support go-to-market success. Help partners understand and position MongoDB solutions to meet evolving market needs. Serve as a trusted advisor, reinforcing MongoDB’s competitive advantage within the partner ecosystem. Business Development & Ecosystem Expansion Work closely with sales and marketing to identify ecosystem opportunities, driving joint business growth and expanding market reach. Oversee the creation of co-branded solutions and proposals, supporting revenue targets and mutual alignment. Address partner challenges by providing relevant business and technical solutions. Inclusive Leadership & Team Development Foster a high-performance, inclusive team culture focused on growth, mentorship, and diversity of thought. Champion best practices in partner engagement and strategic planning, ensuring a supportive environment for all team members. Build team agility to respond e

At Curai, we believe that access to high-quality healthcare is a fundamental human right, not a privilege. Our mission is to radically transform healthcare by harnessing the power of artificial intelligence and clinical expertise to make care more affordable, accessible, and effective for everyone.