Lead Network Security Engineer 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: Austin About the Department The Office of the CTO is the strategic engine for Cloudflare’s technology vision. We look beyond the horizon to identify emerging trends, drive technical innovation, and ensure our engineering culture remains principled and curious. We operate at the intersection of deep technical strategy and high-level business execution. What You'll Do As the CTO Operations Lead you will act as a strategic force

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we’re on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other’s unique experiences and embrace the flexibility to do your best work. Creating a career you love? It’s Possible. At Pinterest, AI isn't just a feature, it's a powerful partner that augments our creativity and amplifies our impact, and we’re looking for candidates who are excited to be a part of that. To get a complete picture of your experience and abilities, we’ll explore your foundational skills and how you collaborate with AI. Through our interview process, what matters most is that you can always explain your approach, showing us not just what you know, but how you think. You can read more about our AI interview philosophy and how we use AI in our recruiting process here . We’re looking for an Agency Lead to help grow Pinterest’s US agency business. As the primary point of contact for WPP agencies in the US, you’ll leverage executive relationships and your Pinterest ad platform expertise to inspire agencies to become Pinterest ad experts and transform our agency partners into advocates to meet their clients’ goals. In doing so, you’ll play a key role in scaling one of the fastest growing advertising platforms in history through your agency partnerships. What you’ll do: Establish Pinterest as a leading business driving platform for a US agency network Drive incremental and new business revenue within your book of business Act as the primary point of contact, escalation point and thought leader for your Agencies Build relationships at the c-level and educate agencies to master the Pinterest ad platform a

ROLE SUMMARY The Workplace Experience Lead provides leadership, partnership, management and operational expertise to ensure approximately 2.5M sq ft of Groton, CT facilities support the advancement of the R&D pipeline. The site has the greatest concentration of specialty labs in the R&D network consisting of small molecule clinical manufacturing, GxP and non-regulated laboratories, vivarium, technical space (central utility plant) and office workspace facilities. Nearly every breakthrough therapy in the pipeline passes through Groton facilities and processes. This role will have direct oversight and accountability for the dedicated Clinical Research Unit (CRU) located in New Haven, CT and comprised of approximately 62.5K sq ft. This site is focused primarily on early-phase human clinical studies and contains 50&#43; patient inpatient beds. A critical element of the site’s performance is to ensure safe and compliant operations to meet and enable the aggressive timelines and evolving priorities of a first-in-class research organization. Therefore, making possible the delivery of commitments while providing an enabling and engaging work environment where colleagues and contractors can do their best work. ROLE RESPONSIBILITIES Serve as the primary onsite GWE point of contract for site leadership, coordinating responses, solutions, and opportunity resolutions through effective partnership for the entirety of the GWE soft services including but not limited to GMP cleaning, janitorial/housekeeping, food service, shipping and receiving, meetings and events management, churn moves and furniture, groundskeeping, pest control, snow removal, lab services and consumables, and new workplace services. Submit annual OpEx budgets for both the Groton and New Haven campuses (&#43;$11.9M) to the GWE Site Lead for review and approval and accountable for management and oversight to forecast targets. <

About Us: AI needs a new infrastructure layer. We're building it at Modal. Every era of computing brought new workloads that previous infrastructure couldn't support: mainframes, databases, and the cloud. Each time, the company that rebuilt the layer underneath defined the decade. AI is no different, except it touches everything instead of one slice, and the window to build the layer underneath it is open right now. Our customers include category-defining companies like Lovable , Ramp , Cognition, DoorDash, and Suno. They rely on Modal for instant GPU access, sub-second container starts, and native storage, so it's simple to serve low-latency inference, fine-tune models, and access production-ready sandboxes at scale. We recently raised a $355M Series C at a $4.65B valuation, led by General Catalyst and Redpoint Ventures. We've crossed $300M+ ARR and grown fivefold since September. Our team includes creators of popular open-source projects (e.g., Seaborn , Luig i ), academic researchers, international olympiad medalists, and experienced engineering and product leaders with decades of experience. The Role: We are looking for a strong technical lead to guide the engineers designing, building, and maintaining the novel, high-performance systems that make up our serverless platform. You'll lead the team responsible for Modal's machines layer: the fleet of bare metal and cloud hosts that every Function, Sandbox, and training job runs on, and the control plane that provisions, images, monitors, and repairs them. You'll own the full lifecycle of a machine, from accepting and benchmarking new hardware from a growing set of providers, to network bring-up, kernel and image management, GPU and disk health tracking, and automated remediation of unhealthy hosts. You'll manage a team of 3–8 engineers while staying hands-on across the stack which involves BMCs, firmware, PXE, bootloaders, Linux networking, drivers, and distributed control-plane services, and you'll shape our long-

Your wellbeing, our mission. Join a company shaping a healthier world. GET TO KNOW US At Wellhub we're revolutionizing workplace wellness. Our platform connects employees worldwide to the best partners for fitness, mindfulness, therapy, nutrition, and sleep—all in one simple subscription. Headquartered in NYC with team members in Europe, North America and South America, we’re on a mission to make every company a wellness company.We believe work should be fulfilling, inspiring, and balanced. Here, you’ll find a team that values wellbeing, collaboration, and different perspectives, where passion and creativity push boundaries to create real impact. Your contributions will help shape a healthier, more balanced world for you and millions of people globally. Join us in redefining the future of wellbeing! THE OPPORTUNITY We are hiring a Partner Sales Senior Manager to join our Partnerships team in Amsterdam ! Wellhub is officially expanding into the Benelux region, and you will join a high-impact team at the forefront of this new venture! As the first Partner Sales & Success Senior Manager in the region, you will play a key role in building our presence from the ground up—managing both the acquisition and retention of the wellness providers that will power our network. This is a rare opportunity to take on real leadership ownership from day one, introduce a global brand to new markets, and directly shape our long-term success in Belgium, the Netherlands, and Luxembourg. This is a hybrid role, requiring a minimum of two days per week in our Amsterdam office. YOUR IMPACT Reporting to the Head of Partnerships, you will be responsible for the “Longtail” Partner Sales and Success strategy, managing a diverse network of gyms and studios that will power the wellbeing of our corporate users. You will: Define and optimize the Benelux sales and success playbooks, ensuring a smooth transition from partner acquisition to long-term engagement. Implement localized onbo

WPP is the trusted growth partner for the world’s leading brands. We unite cutting-edge media intelligence and data solutions, world-class creativity, next-generation production, transformative enterprise solutions and expert strategic counsel in a single company – powered by exceptional talent and our agentic marketing platform, WPP Open, to help our clients navigate change, capture opportunity and deliver transformational growth. We work with the world's most valuable brands and have global reach across 100+ markets, with deep local expertise. Our people are the key to our success. We're committed to fostering a culture of creativity, belonging and continuous learning, attracting and developing the brightest talent, and providing exciting career opportunities that help our people grow. For more information, visit WPP.com. Why we're hiring: WPP is a creative transformation company, helping clients create growth by combining technology and creativity. As one of the world's largest marketing and advertising services organizations, we are committed to driving innovation and operational excellence across our vast global network. You will be joining the Automation Operations Centre within WPP's Enterprise Technology, Automation & AI department. This is a pivotal time for us as we're building a dedicated, in-house team to deliver, manage, monitor, and optimize our growing portfolio of automation solutions. This team is at the forefront of our digital transformation, ensuring the seamless operation and continuous improvement of critical automation capabilities across WPP globally You will play a crucial role in solution delivery and day-to-day technology management of the Global Automation Operations Centre (AOC) program. Reporting to the AAI Operations Director and AAI Product Lead, you will lead the architecture, standards, and advanced development requirements for our global automation portfolio. Alongside AAI Leadershi

Tenstorrent is leading the industry on cutting-edge AI technology, revolutionizing performance expectations, ease of use, and cost efficiency. With AI redefining the computing paradigm, solutions must evolve to unify innovations in software models, compilers, platforms, networking, and semiconductors. Our diverse team of technologists have developed a high performance RISC-V CPU from scratch, and share a passion for AI and a deep desire to build the best AI platform possible. We value collaboration, curiosity, and a commitment to solving hard problems. We are growing our team and looking for contributors of all seniorities. We are seeking a Verification Lead for our next-generation AI hardware. You’ll guide a top-tier team of Verification Engineers, shaping test strategies to validate functionality and performance of our AI core. This role requires expertise in AI-specific data types, common AI data-movement compute patterns, and on-chip network validation, combined with strong leadership and collaboration skills. This role is hybrid, based out Toronto, ON. We welcome candidates at various experience levels for this role. During the interview process, candidates will be assessed for the appropriate level, and offers will align with that level, which may differ from the one in this posting. Who You Are A Seasoned Verification Leader: An experienced ASIC/SoC lead with proven track record of leading teams through complex tape-outs. An AI Hardware Specialist: An expert in the nuances of high-performance compute, specifically focused on AI/ML architectures and the intricacies of tensor-based operations. A Systems Architect at Heart: A strategist who views verification through a system-level lens, ensuring that hardware, software, and on-chip networks (NoC) harmonize perfectly. A Technical Mentor: A hands-on guide proficient in UVM, SystemVerilog, and cocotb, dedicated to elevating team capabilities and driving rigorous coverage-driven methodologies. What We

Ready to do the most impactful work of your career? At Coinbase , we are uncompromising on our mission to increase economic freedom. The bar is high, the environment is intense, and we like it that way. This isn't a place for complacency, it’s a place to be pushed past your perceived limits. If you're ready to build the future of finance alongside people who refuse to settle for "good enough," you belong here. Coinbase is a remote-first, but not remote-only company. Expect to get together quarterly for intense in-person working sessions called “surges.” learn more about working at Coinbase . As a Senior Software Engineer on the Blockchain Networks team within the Platform group, you'll build the critical infrastructure that integrates blockchain protocols with Coinbase's internal services for new assets, stablecoins, and staking. This team translates complex blockchain operations and state machines into simple, reliable APIs that product teams across Coinbase depend on. You'll own multi-quarter technical initiatives and ship platform primitives that directly improve the latency, reliability, and cost of our crypto stack. What you'll do: Own the design and delivery of blockchain network infrastructure that abstracts blockchain complexity into reliable, platform APIs Lead multi-quarter initiatives including new chain integrations, re-architecture efforts, and data migrations that improve system latency, reliability, and cost Define and maintain APIs, SLOs, and observability for the systems you build, including on-call ownership Partner with product and platform teams to establish data contracts and ship SDKs and platform primitives that drive adoption across Coinbase Build deep technical context across multiple top blockchain protocols (e.g., Bitcoin, Ethereum) and apply that knowledge to simplify cross-chain operations Required Skills and Experience: 5+ years of software engineering experience, with demonstrated ownership of production services in a servi

About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career. About the team Our Product Marketing team’s mission is to generate customer insights that inform Stripe’s product strategy, and lead go-to-market for our suite of products. Product Marketing is a highly cross-functional role at Stripe, partnering closely with Product and Engineering, Sales, Partnerships, Demand Generation and Campaigns to name a few. Different from many other Product Marketing teams, our team works across the entire product lifecycle, from helping shape the product, to driving launch and commercialization, to growing product adoption post-launch. We’re looking to hire a Consumer Product Marketing Lead to own go-to-market strategy and positioning for Link as we scale the world's most widely used digital wallet. Link is Stripe’s digital wallet, already used by 250+ million consumers, with millions more joining the network every month. This role sits at the center of Stripe's consumer ambitions—translating Link's product innovations into compelling narratives that drive discovery, adoption, and loyalty at scale. What you’ll do As Consumer Product Marketing Lead for Link, you will own strategy and execution across positioning and go-to-market to grow Link's network—and bring the next hundreds of millions of shoppers into the network. Define Link's consumer positioning and messaging : Develop and continuously evolve Link's core value proposition and messaging framework for consumers, ensuring a consistent and compelling story across every touchpoint

About the Team OpenAI is evaluating multiple infrastructure pathways, including powered land, colo/BTS, and NeoCloud opportunities. The Site Readiness & Development team provides the diligence layer needed to compare opportunities, identify risk, and support credible deployment decisions across those pathways. About the Role The NeoCloud & Colo Due Diligence Lead will evaluate third-party infrastructure opportunities where OpenAI is considering deployment through NeoCloud, colo, or BTS structures. This role will focus on facility and deployment readiness, including MEP readiness, rack strategy, developer capability, facility design, power deliverability, schedule credibility, and operating assumptions. Unlike the land diligence team, this role is centered on technical and operational readiness of third-party infrastructure rather than greenfield site master planning, civil development, and entitlement strategy. This is an individual contributor lead role and does not have direct reports initially. The role determines whether each opportunity is fit-for-use and fit-for-service against OpenAI facility, rack, power, network, reliability, and operational standards; identifies material deficiencies and tracks remediation with developers/operators; and evaluates commissioning, validation, AHJ/code, and deployment interfaces such as structured cabling, network readiness, and high-density rack support where relevant. Key Responsibilities Lead diligence on NeoCloud, colo, and BTS opportunities across technical and operational readiness dimensions. Assess each opportunity against OpenAI facility, rack, power, network, reliability, and operational standards to determine deployment fit. Validate MEP readiness, rack deployment strategy, facility design assumptions, power deliverability, and schedule credibility. Identify material deficiencies and work with developers/operators to define remediation plans, owners, timing, and residual risk. Review reliability, availabilit

About the Team OpenAI’s Hardware organization develops system and infrastructure solutions designed for the unique demands of advanced AI workloads. We work closely with research, software, and external hardware partners to shape the next generation of AI systems, from silicon through full-scale deployments. Our team focuses on understanding and optimizing performance across the full system stack—ensuring that architectural decisions are grounded in rigorous, quantitative analysis of real-world workloads. About the Role We are seeking a Performance Modeling Lead to build and lead a small, high-impact team responsible for answering forward-looking architectural questions across AI infrastructure systems. You will develop modeling frameworks and methodologies to evaluate system-level tradeoffs and guide key design decisions. Your work will directly influence reference architectures, vendor designs, and long-term infrastructure strategy. This role sits at the intersection of AI workloads, system architecture, and quantitative modeling, and requires strong technical judgment, ownership, and the ability to translate complex analysis into clear, actionable guidance. This role is based in San Francisco, CA. We use a hybrid work model of 3 days in the office per week and offer relocation assistance. Key Responsibilities Build and own a performance modeling framework/toolchain to evaluate AI systems across multiple levels of abstraction. Analyze and quantify architectural tradeoffs across compute, memory, networking, storage, and system topology. Develop performance models to guide decisions on: scale-up vs. scale-out architectures interconnect and network design memory hierarchy and system balance. Translate modeling outputs into clear recommendations for internal teams and external hardware vendors. Influence reference designs and vendor roadmaps through data-driven insights. Partner closely with machine learning, systems, and hardware teams to understand workload characte

CLEAR is building THE secure identity company of the future. Our mission is to make experiences safer and easier—physically and digitally. With more than 43 million Members and a growing network of partners across the world, CLEAR's secure identity platform is transforming the way people live, work, and travel. Whether it’s at the airport, stadium, or throughout your everyday life, CLEAR unlocks the magic of frictionless experiences. The Regional People Partner, Employee Relations Lead serves as the centralized employee relations partner for our Airport Operations team, with direct, hands-on support for one region. In this role, you're the consistent thread ensuring employee relations issues are handled the same way, every time, no matter where they happen. You're the person leaders lean on to make good calls, and the person team members know is invested in their success. This role puts you in the middle of it all — maintaining oversight across the entire fleet while coaching station leaders, resolving employee relations issues with consistency and fairness across the field, and building an exceptional team member experience that helps CLEAR thrive. What you'll do: Be the go-to People Partner for Operations leaders in your region - the person they call when something's tricky, not just when something's already broken Coach and sharpen station leaders and managers - through training, real feedback, recognition that means something, and just showing up when it counts Own employee and labor relations across your stations: run investigations, dig into root causes, and land on outcomes that are fair and consistent, working closely with Legal along the way Turn employee data, survey results, and what you're hearing on the ground into recommendations leaders can actually act on Partner across People and Operations on the bigger initiatives: onboarding, process fixes, and making sure People practices run the same way at every station Lead timely, thorough, and object

Our Purpose Mastercard powers economies and empowers people in 200&#43; countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary VP, Advertiser Sales Lead VP, Commerce Media Advertiser Sales Lead, North America ABOUT MASTERCARD SERVICES Mastercard Services is a key differentiator for Mastercard, providing cutting-edge solutions that help our customers achieve their objectives. Centered on data-driven technologies and innovation, our services include payments-focused consulting, loyalty and marketing programs, data-driven platforms, and cybersecurity solutions. ABOUT THE CONSUMER ACQUISITION & ENGAGEMENT ORGANIZATION Sitting within the Services umbrella, Mastercard Consumer Acquisition and Engagement solutions bring consumer and cardholder engagement to the next level. We deliver better outcomes through personalized, relevant experiences and rewards. Our suite of solutions provides businesses with a sophisticated infrastructure that integrates data and technology across the consumer journey. This role focuses on Mastercard Commerce Media (MCM), our commerce media network and advertising solutions business. MCM combines Mastercard's differentiated commerce signals with a closed-loop measurement framework and media activation capabilities to help advertisers drive measurable performance and best-in-class returns. The VP, Commerce Media Advertiser Sales will focus exclusively on the demand side of the MCM busine

Who we are About Stripe Stripe is a financial infrastructure platform for businesses. Millions of companies—from the world’s largest enterprises to the most ambitious startups—use Stripe to accept payments, grow their revenue, and accelerate new business opportunities. Our mission is to increase the GDP of the internet, and we have a staggering amount of work ahead. That means you have an unprecedented opportunity to put the global economy within everyone’s reach while doing the most important work of your career. About the team The Global Payments Performance Team identifies payment optimization opportunities for Stripe’s merchants. We serve a critical role both in demonstrating thought leadership on challenging payment topics, and also partnering with our high-potential merchants to set them up for long term success. We want a partnership with Stripe to be a competitive advantage for our customers, large and small, by providing them with best-in-class technology in concert with insightful and specific advice on how to harness this technology to achieve their business goals. What you’ll do The Global Payments Performance team will be responsible for leading data-driven discussions with existing and prospective merchants on optimization strategies across a variety of areas including, card network costs, acceptance, fraud, and cross-border flows to start. You will be instrumental in building our optimisation narratives/tools and delivering on our merchant engagement model. You will also collaborate with Sales, deploying your knowledge to differentiate Stripe to win deals, and partner with our Customer Success organization to ensure that merchants are successful working with Stripe. Responsibilities Lead discussions with existing and prospective merchants, and provide the Sales team with

Who We Are At Justworks, you’ll enjoy a welcoming and casual environment, great benefits, wellness program offerings, company retreats, and the ability to interact with and learn from leaders in the startup community. We work hard and care about our most prized asset - our people. We’re helping businesses get off the ground by enabling them to focus on running their business. We solve HR issues. We’re data-driven and never stop iterating. If you’d like to work in a supportive, entrepreneurial environment, are interested in building something meaningful and having fun while doing it, we’d love to hear from you. We're united by shared goals and shared motivations at Justworks. These are best summed up in our company values, which are reflected in our product and in our team. Our Values If this sounds like you, you’ll fit right in. Who You Are You're a seasoned IT support professional who pairs white-glove customer support with the technical depth to solve complex problems independently in a fast-paced environment. You bring sound judgment, professionalism, and the ability to navigate ambiguity without close oversight. As the first IT hire in our new Phoenix office, you'll be the local face of IT while also serving as a key technical resource for Justworkers across all our locations. In this hybrid role (3 days in office, 2 days remote), you'll report to the IT Support Manager and partner with our global IT, Network, and AV teams to keep operations running smoothly across the organization. Beyond core support, you'll bring strong network and AV capabilities to keep the Phoenix office running smoothly — and act as a trusted technical partner to leadership during high-visibility moments. Your Success Profile What You Will Work On IT Support (Primary) Day-to-Day Support: Serve as the primary onsite contact in Phoenix for technical issues across macOS, Windows, mobile devices, and peripherals. Actively support Justworkers across all Justworks offices — providing remote sup