Critical Infrastructure Engineer Jobs

Our Global Structure Deliveroo is now part of DoorDash, bringing together teams with even greater reach, scale, and ambition. Depending on your role, you may collaborate with teammates, systems, and leaders across DoorDash and Wolt. Together, we’re unlocking new possibilities as one global team. Senior Technical Recruiter – Engineering Join us in our mission to transform the way people shop and eat, where impact, innovation, and growth drives everything we do. Our People team are the architects of a great workplace where brilliant minds come together to do their best work. From discovering diverse talent and nurturing future leaders, to creating spaces that spark collaboration and crafting rewards that celebrate success - we're passionate about building a culture where everyone can thrive. We’re looking for a Senior Technical Recruiter – Engineering to join our London team. This is a hybrid role. In this role, you’ll help us hire the engineers who design, build, and scale Deliveroo’s technology, from our mobile application to the complex systems powering every order. Get to know our People team — what drives us, how we work, and what you can expect. What You’ll Be Doing You’ll be joining the Engineering Recruiting team. We partner directly with senior tech and product leaders to design strategies that attract, assess, and hire world-class technical talent across global markets. Here’s what your day-to-day might look like: Lead senior end-to-end hiring: Own full-lifecycle recruitment for critical, highly technical positions (Principal Engineers, Staff Engineers, and Engineering Leadership), running tailored strategies that balance speed, quality, DE&I, and candidate experience. Act as a trusted business advisor: Partner closely with Heads of Engineering, Product, and People to shape role designs, influence hiring strategy, and align talent acquisition outcomes with broader business goals. Drive data-led strategy: Turn market intelligence, recruiting metrics, and

Zscaler (NASDAQ: ZS) accelerates digital transformation so customers can be more agile, efficient, resilient, and secure. The Zscaler Zero Trust Exchange platform protects thousands of customers from cyberattacks and data loss by securely connecting users, devices, and applications in any location. Distributed across 200+ public data centers globally and thousands of private sites at the edge, the SASE-based Zero Trust Exchange is the world’s largest in-line cloud security platform. We believe the future of work is Human + AI and are building an AI-native enterprise where human potential is amplified by machine intelligence to solve the world’s hardest security challenges. Driven by deep customer obsession, we are committed to the mission, outcome, and to each other. We bring these commitments to life through three core behaviors: ownership and collaboration, trust through outcomes and impact, and a challenge culture with ongoing feedback. Ready to make an impact at the company pioneering security transformation in the AI era? Join us at Zscaler. Role We are looking for a Staff Threat Researcher to join our team. This is a remote role, reporting to the Manager Threat Research in the Threat Research Team. As our Staff Threat Researcher, you will serve as a highly technical subject matter expert on adversary tradecraft across endpoint, cloud, and identity environments. You will apply formal research methodologies to dissect and replicate complex cyber attacks, answering the critical questions of exactly how techniques work and how we can best detect them. By transforming your deep technical discoveries into practical attack automations and scalable detection recommendations, you will bridge the gap between theoretical research and operational defense. In this role, your expertise will directly strengthen our defensive capabilities, inform our detection engineering priorities, contribute to broader product strategy, and keep our customers a step ahead of evolving evasi

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. About the Deal Desk Team The Deal Desk team is a critical component of the Finance function, serving as a trusted advisor to critical internal stakeholders as deal architect working on structuring, negotiating, approving and closing large complex commitment deals while balancing margin preservation, compliance, and velocity. We are committed to building a data-centric and AI-augmented Deal Desk that leverages predictive analytics and automated workflows

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. As we build Affirm's advertising platform and evolve Marketplace into a best in class shopping destination, the ability to route and discover is one of the greatest levers for consumer experiences. Search is one of the highest impact surfaces, and we are building a new team that will own not just the recommendations and search experiences, but also explore opportunities to improve customer experience, monetization, and merchant value. This team will help make Affirm the definitive destination consumers turn to for discovery, understanding, comparing, and shopping through Affirm, and will also lay the foundation for an agentic platform. What You'll Do · You will be responsible for setting technical strategy for your team on a year-long time scale, and help your team tie it together with critical, business-impacting projects. · You will collaborate across teams in the product development lifecycle by collaborating with product management, design & analytics to ensure technical sustainability, risks and trade-offs are well understood and managed. · You will act as a force-multiplier for your team through your definition and advocacy of technical solutions and operational processes. · You take ownership of your team’s operations and availability by ensuring you have the right monitoring, triage rotations, playbooks, policies, testing and alerting in place to support “keep the lights on” & on-call efforts. · You will foster a culture of quality and ownership on your team by setting code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks. · You will help develop talent on your team by providing feedback and guidance, and leading by example. What We Look For · You have 8+ years of experience designing, developing and laun

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. As we build Affirm's advertising platform and evolve Marketplace into a best in class shopping destination, the ability to route and discover is one of the greatest levers for consumer experiences. Search is one of the highest impact surfaces, and we are building a new team that will own not just the recommendations and search experiences, but also explore opportunities to improve customer experience, monetization, and merchant value. This team will help make Affirm the definitive destination consumers turn to for discovery, understanding, comparing, and shopping through Affirm, and will also lay the foundation for an agentic platform. What You'll Do · You will be responsible for setting technical strategy for your team on a year-long time scale, and help your team tie it together with critical, business-impacting projects. · You will collaborate across teams in the product development lifecycle by collaborating with product management, design & analytics to ensure technical sustainability, risks and trade-offs are well understood and managed. · You will act as a force-multiplier for your team through your definition and advocacy of technical solutions and operational processes. · You take ownership of your team’s operations and availability by ensuring you have the right monitoring, triage rotations, playbooks, policies, testing and alerting in place to support “keep the lights on” & on-call efforts. · You will foster a culture of quality and ownership on your team by setting code review and design standards for your team, and advocating for them beyond your team through your writing and tech talks. · You will help develop talent on your team by providing feedback and guidance, and leading by example. What We Look For · You have 8+ years of experience designing, developing and laun

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. Our vision is to transform how the world uses information to enrich life for all . Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Micron’s Boise site is undergoing a historic $15 billion investment in semiconductor manufacturing, with DRAM production planned for the second half of the decade. As part of Micron’s global $150 billion expansion, our High Volume Manufacturing team drives innovation and operational excellence to deliver world-class memory solutions. As an ID1 High Volume Manufacturing Process Engineer Intern , you will work on process optimization, yield improvement, and cost reduction initiatives. This role involves collaborating with equipment teams, operations leaders, and multi-functional collaborators to ensure area critical metrics are met and wafer output is optimized. Responsibilities Finish the required safety training and adhere to safety policies and laws. Ensure proper tool documentation and update reaction mechanisms as needed. Supervise and resolve issues impacting yield, excursions, defects, or output loss. Apply SPC, FDC, and 8D methodologies to optimize processes and improve tool availability. Utilize AI-enabled tools and data analytics solutions to improve engineering productivity, accelerate problem solving, an

This is where your work makes a difference. At Baxter, we believe every person—regardless of who they are or where they are from—deserves a chance to live a healthy life. It was our founding belief in 1931 and continues to be our guiding principle. We are redefining healthcare delivery to make a greater impact today, tomorrow, and beyond. Our Baxter colleagues are united by our Mission to Save and Sustain Lives. Together, our community is driven by a culture of courage, trust, and collaboration. Every individual is empowered to take ownership and make a meaningful impact. We strive for efficient and effective operations, and we hold each other accountable for delivering exceptional results. Here, you will find more than just a job—you will find purpose and pride. Technician, Orbiter Your Role at Baxter This is where your technical expertise helps create life-sustaining products. As an Orbiter Technician within our Manufacturing team, you will be responsible for operating, maintaining, and troubleshooting specialized orbiter equipment used in the production of medical cuffs. In this critical role, you will help ensure production equipment operates safely, efficiently, and reliably while maintaining the high-quality standards required for medical device manufacturing. Working closely with production, maintenance, engineering, and quality teams, you will perform routine and preventive maintenance, diagnose equipment issues, implement repairs, and support continuous improvement initiati

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. Job Description As the Facilities regional chemical engineer, you will be responsible for leading chemical system design for construction projects, providing technical support, expertise, and lead business process alignment on operational and maintenance programs for the facility chemical systems at all front and back end sites. As a global team member residing in your current site/geography, you will represent all regional facility O&M alignment initiatives. You will also lead the design for construction team and incorporate critical operational and maintenance into design for construction projects. You will work with central team on critical metrics, include eliminating production events that minimize lost moves and scrap. Responsibilities and tasks: Expert understanding of each sites bulk and specialty chemical systems operational and maintenance capabilities in order to provide critical support. <span s

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 Fab Engineer in the RDA & Metrology Team , you will collaborate with other equipment engineers, technicians, and application owners. Your responsibilities include overseeing the installation, modification, upgrade, and maintenance of manufacturing equipment, providing technical support to manufacturing equipment repair and process engineering organizations. You will define and write preventative maintenance schedules, maintain records on technical notices, upgrades, and safety issues, and study equipment performance to establish solutions that improve tool uptime. Responsibilities: Drive performance standards, critical measures, and accountability for operational decisions and results. Lead equipment issue resolution, troubleshooting efforts, and root cause investigations. Manage project priorities and recommend changes, continuation, or cancellation to meet fab objectives. Collaborate daily with Equipment Leads to align priorities, resolve issues, and optimize resource utilization. Plan for capacity and product mix requirements while enhancing equipment flexibility and performance. Maintain and improve equipment reliability through maintenance procedures, best-known methods (BKMs), program monitoring, and documentation updates. Partner with vendors and multi-functional teams to implement continuous improvement initiatives that enhance throughput, productivity, and equipment health. Leverage AI, analytics, and

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. ​Directs and Manage team activities related to the analysis, design, programming, debugging, troubleshooting, and modification of software for firmware (IC embedded code) applications. Oversees programming activities involving analog and digital hardware and software operating systems. May have responsibility for the programming of assembly language, machine language and high level languages, including but not limited to C and C&#43;&#43;. Selects, develops, and evaluates personnel to ensure the efficient operation of the function. 12&#43; Years in Embedded Firmware - Storage/SSD would be a strong plus. Strong firmware design and debug experience using assembly and C programming. Knowledge of SSD flash translation layer, wear leveling, garbage collection, etc. Knowledge of mass storage interfaces such as SAS, SATA, NVMe (optional but strong plus). Knowledge of configuring and debugging issues from the usage of register settings of ASICs in an SoC and embedded firmware dev environment High level of skill in problem recreation and trapping, and in identifying performance critical algorithms for optimization - AI Supported Strong skill in ARM development tools and IDE Ability to scope and estimate development effort. Ability to work and communicate effectively in a team, able to multitask effectively in fast-paced environment. Experience in test equipment such as oscilloscopes and logic/bus analyzers (good to have). Experience

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams operate with high autonomy and deep collaboration, own outcomes end to end, and push for excellence from architecture to deployment. It’s an environment where engineering is a craft and builders grow by solving meaningful technical problems. What you’ll do The Identity and Access Management team builds and maintains secure, user-friendly authentication and authorization systems that protect users, safeguard company assets, and provide a seamless access experience for developers. The team owns critical platform capabilities including login methods, step-up authentication, our custom authorization platform, account delegation flows like Copilot, Pro Access login, embedded partnerships authentication, and core vendor integrations such as Okta and Oso. As a Senior Software Engineer on IAM, you will lead projects and initiatives

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams operate with high autonomy and deep collaboration, own outcomes end to end, and push for excellence from architecture to deployment. It’s an environment where engineering is a craft and builders grow by solving meaningful technical problems. What you’ll do The Identity and Access Management team builds and maintains secure, user-friendly authentication and authorization systems that protect users, safeguard company assets, and provide a seamless access experience for developers. The team owns critical platform capabilities including login methods, step-up authentication, our custom authorization platform, account delegation flows like Copilot, Pro Access login, embedded partnerships authentication, and core vendor integrations such as Okta and Oso. As a Senior Software Engineer on IAM, you will lead projects and initiatives

Why join us Brex is the intelligent finance platform that enables companies to spend smarter and move faster in more than 200 markets. By combining global corporate cards and banking with intuitive spend management, bill pay, and travel software, Brex enables founders and finance teams to accelerate operations, gain real-time visibility, and control spend effortlessly. Brex’s AI-native automation and world-class service eliminate manual expense and accounting tasks for customers so they can focus on what matters most. Tens of thousands of the world's best companies run on Brex, including DoorDash, Coinbase, Robinhood, Zoom, Plaid, Reddit, and SeatGeek. Working at Brex allows you to push your limits, challenge the status quo, and collaborate with some of the brightest minds in the industry. We’re committed to building a diverse team and inclusive culture and believe your potential should only be limited by how big you can dream. We make this a reality by empowering you with the tools, resources, and support you need to grow your career. Engineering at Brex Engineering at Brex is about building systems that scale with speed and intention. Our teams operate with high autonomy and deep collaboration, own outcomes end to end, and push for excellence from architecture to deployment. It’s an environment where engineering is a craft and builders grow by solving meaningful technical problems. What you’ll do The Identity and Access Management team builds and maintains secure, user-friendly authentication and authorization systems that protect users, safeguard company assets, and provide a seamless access experience for developers. The team owns critical platform capabilities including login methods, step-up authentication, our custom authorization platform, account delegation flows like Copilot, Pro Access login, embedded partnerships authentication, and core vendor integrations such as Okta and Oso. As a Senior Software Engineer on IAM, you will lead projects and initiatives

At Affirm, we exist for the moments that matter—giving people a clear, predictable way to pay over time, with no hidden fees, no surprises, and no tradeoffs on what matters most. About the Legal, Compliance, and Public Affairs team The Legal, Compliance, and Public Affairs team is a group of dedicated professionals committed to helping Affirm scale, innovate, and provide outstanding products for consumers, merchants, and key partners. We combine legal, compliance, and policy expertise to guide growth, shape products, and build trust across our ecosystem. Our work spans multiple professional disciplines and provides the foundation for Affirm’s mission to deliver honest financial products. About the role Affirm’s Compliance team implements a compliance program that enables Affirm to proactively adhere to regulatory requirements while also identifying and addressing potential regulatory issues that may arise. As a second line of defense, Compliance proactively partners with the business to support new products, markets, initiatives, change management, issue identification and remediation plans, and assessment/monitoring of third parties. Affirm is actively seeking a Compliance Lead to support certain critical compliance management program elements. In this role, the Compliance Lead will help to administer Compliance’s Testing Program. This includes completing reviews to ensure compliance with federal/state regulations, identifying gaps and deficiencies with regulatory compliance concerns, collaborate with cross functional partners including Legal, Operations, Product, Engineering and senior management to resolve identified issues and further build out our compliance program. This role will report to the Senior Compliance Manager and will be required to work independently and cross-functionally. What you'll do Perform ongoing compliance testing and reporting on adherence to compliance program and federal/state regulatory requirements. Work closely and cross-functi

SpaceX was founded under the belief that a future where humanity is out exploring the stars is fundamentally more exciting than one where we are not. Today, SpaceX is actively developing the technologies to make this possible, with the ultimate goal of making life multiplanetary and expanding consciousness to the stars. SpaceXSI is building Super Intelligence to help humanity understand the universe. Our teams are building the full Super Intelligence stack: from our Colossus supercomputers, to Grok models, to our suite of applications, including Grok Bot, Grok Build, Grok Imagine, Grok Voice, and X. We're creating a powerful flywheel where more compute trains better models, better models power more useful products, and what we learn from people using those products shapes what we build next. ABOUT THE ROLE: We’re seeking an experienced Facilities Operations Project Manager with a strong engineering background to lead mission-critical facilities work across our Southaven and Memphis sites. As a key on-site leader on the facilities operations team, you’ll bring technical credibility, engineering expertise, and steady project leadership to fast-paced, high-impact work in live, technically advanced facilities. You’ll own vendor and internal relationships, drive site improvement and activation projects from scope through handover, and keep operating systems reliable without taking the campus offline. You will own the project portfolio that sits between those two: retrofits, upgrades, activations, vendor-led maintenance projects, and the facilities work that has to land cleanly into an operating plant. You’ll coordinate closely with facilities supervisors, technicians, construction, engineering, and commissioning, and report to facilities operations leadership. RESPONSIBILITIES: Act as the facilities operations project representative for the Southaven and Memphis sites, managing relationships with contractors, vendors, partners, and internal stakeholders. Oversee end-to-e