Ai Security Engineer Jobs

We believe that the way people interact with their finances will drastically improve in the next few years. We’re dedicated to empowering this transformation by building the tools and experiences that thousands of developers use to create their own products. Plaid powers the tools millions of people rely on to live a healthier financial life. We work with thousands of companies like Venmo, SoFi, several of the Fortune 500, and many of the largest banks to make it easy for people to connect their financial accounts to the apps and services they want to use. Plaid’s network covers 12,000 financial institutions across the US, Canada, UK and Europe. Founded in 2013, the company is headquartered in San Francisco with offices in New York, Seattle, Washington D.C., Raleigh, London, and Amsterdam. The mission of Plaid's Product Security Team is “Improve our customer’s trust by assuring secure development and delivery of products and services, minimizing risk to the ecosystem, and preventing security incidents." Plaid's Product Security team helps engineering teams build secure products and continuously identify and reduce security risks. Our work spans security architecture and design, application security, vulnerability management, supply chain security, and security automation. We work directly with product and engineering teams to identify risks early, influence secure architecture, and define security requirements. We build and leverage automated security capabilities to expand testing coverage, validate fixes, and reduce recurring vulnerabilities. As AI accelerates software development, our goal is to help Plaid maintain strong security without relying on manual reviews for every change. This role is perfect for you if: You enjoy understanding complex products and systems and finding security risks that are not immediately obvious. You have strong application security fundamentals and are comfortable working directly with code and architecture. You enjoy working closel

The Platform team creates the technology that enables Spotify to learn quickly and scale easily, enabling rapid growth in our users and our business around the globe. Spanning many disciplines, we work to make the business work; creating the infrastructure, tooling, frameworks, and capabilities needed to welcome a billion customers. At Spotify, security helps make innovation possible. Our Enterprise Security team protects the systems and technology that support our employees and the more than 700 million people who use Spotify. We're looking for a Security Engineer to help strengthen our enterprise security across identity, devices, networks, and AI-powered tools. You'll build practical solutions, work with teams across the business, and help us create a secure environment where people can do their best work. What You'll Do Improve enterprise security by identifying risks and implementing solutions that protect Spotify while supporting a great employee experience. Design and build security tools, integrations, and automation to make security processes more effective and scalable. Analyze security data to identify gaps, understand emerging risks, and guide improvements. Implement security controls across identity and access management, enterprise applications, endpoints, and cloud-based services. Assess security risks associated with AI tools and agents, and help develop safeguards that support responsible adoption. Collaborate with IT, infrastructure, and security teams to strengthen security across devices, networks, and enterprise systems. Evaluate and improve enterprise security technologies, including managed browsers and device security tools. Share your expertise and work with colleagues across technical and non-technical teams to make security practices clear, practical, an

About the Team At DoorDash we’re building the industry’s most scalable and reliable delivery network to support our three-sided marketplace of consumers, merchants, and Dashers. Security is paramount to the success of our business, and DoorDash Security aspires to be the world’s most admired security team. We are committed to building the world's most trusted on-demand, logistics engine for delivery! We're expanding our team of great minds to help us secure and maintain a 24x7, no downtime, global infrastructure system that powers DoorDash’s multi-sided marketplace of consumers, merchants, and dashers. About the Role Our Security Engineering team is looking for an Engineering Manager, Proactive Security to set and lead the technical direction for Security Product Engineering at DoorDash globally. You will be a part of our inclusive, collaborative global team responsible for building “paved road” Security Product controls directly into our Customer, Merchant and Dasher products to ensure a safe, secure and resilient delivery network. This is a US remote position reporting directly to the Director of our Security Engineering team. You’re excited about this opportunity because you will… Set and execute the technical vision for Security Product Engineering Pods, Bug Bounty and Vuln Management teams, ensuring alignment with DoorDash business objectives. Lead the overall Security Product Engineering, Bug Bounty and Mythos era Vulnerability Management direction and roadmap execution. Coach and mentor highly skilled engineers as a “player-coach” leaning in to understand Customer, Merchant and Dasher security problems at the lowest level and lead the team to build the right proactive controls. Success is not measured in shipping code, it's measured in annihilating and improving classes of vulnerabilities. Partner cross-functionally with Product Engineering, Legal, Security Engineering Platform, Data teams and XFN partners to build “paved road” proactive sec

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. What is The Role We're looking for a Senior Network Engineer (VPN/VDI) who will take charge of designing, deploying, and managing our multi-cloud network and VDI infrastructure. In this role, you'll collaborate with engineering, security, and operations teams to drive automation and implement Zero Trust security, ensuring our systems remain reliable and scalable as we grow. If you enjoy building robust networks and making a real impact within an organization, this position offers a chance to do just that. What You Will Be Doing Design a robust multi-cloud network architecture that supports our growing infrastructure needs. Create detailed network diagrams and documentation to guide implementation. Evaluate and select the best networking technologies, while implementing and optimizing routing protocols for efficiency. Develop plans for network scalability and maintain our Meraki networks to ensure reliable performance. Assist in deploying VPN and VDI solutions within our multi-cloud environment. Support integration efforts among network components and facilitate training for junior engineers and support staff. Collaborate with cross-functional teams to ensure smooth implementation of network services and provide on-call support to resolve any issues that arise. Monitor network performance metrics to identify areas for improvement. Analyze traffic

Information System Security Engineer (ISSE)​ — Bay Saint Louis, MS. Apply via Workday.

A BOUT TIDE At Tide, we help SMEs save time and money in the running of their businesses by not only offering business accounts and related banking services, but also a comprehensive set of highly usable and connected administrative solutions, from invoicing to accounting. Tide is transforming the small business banking market and now supports over 2 million members globally across the UK, India, Germany and France. Using advanced technology, all solutions are designed with SMEs in mind. With quick onboarding, low fees and innovative features, we thrive on making data driven decisions to serve our mission: to help SMEs save time and money so they can get back to doing what they love. Tide facts: Tide is available for UK, Indian, German and French SMEs Over 2 million members across UK and India Over $300 million raised in funding Over 2,800 Tideans globally Recognised with Great Place to Work certification three years in a row, and among India’s Top 50 Best Workplaces in Banking, Financial Services, and Insurance in 2026 We have offices in Central London, with a member support and technology centre in Sofia, Bulgaria, technology centres in Serbia, Romania, Lithuania and Hyderabad and offices in Gurugram, New Delhi, Berlin, Paris and Luxembourg ABOUT THE TEAM: The Product Security team at Tide is responsible for embedding security across the full product surface, from secure design and threat modelling through to application-layer controls and vulnerability management. Within Product Security, the Remediation Operations function owns the day-to-day engine of Tide's vulnerability management programme: turning a high volume of findings from across our tooling estate into clear, prioritised, actionable work for engineering and IT teams. This role sits at the heart of that function. You will be the connective tissue between security tooling and the teams who fix things, making sure the right vulnerabilities reach the right people with the right context, and that the

A BOUT TIDE At Tide, we help SMEs save time and money in the running of their businesses by not only offering business accounts and related banking services, but also a comprehensive set of highly usable and connected administrative solutions, from invoicing to accounting. Tide is transforming the small business banking market and now supports over 2 million members globally across the UK, India, Germany and France. Using advanced technology, all solutions are designed with SMEs in mind. With quick onboarding, low fees and innovative features, we thrive on making data driven decisions to serve our mission: to help SMEs save time and money so they can get back to doing what they love. Tide facts: Tide is available for UK, Indian, German and French SMEs Over 2 million members across UK and India Over $300 million raised in funding Over 2,800 Tideans globally Recognised with Great Place to Work certification three years in a row, and among India’s Top 50 Best Workplaces in Banking, Financial Services, and Insurance in 2026 We have offices in Central London, with a member support and technology centre in Sofia, Bulgaria, technology centres in Serbia, Romania, Lithuania and Hyderabad and offices in Gurugram, New Delhi, Berlin, Paris and Luxembourg ABOUT THE TEAM: The Product Security team at Tide is responsible for embedding security across the full product surface, from secure design and threat modelling through to application-layer controls and vulnerability management. Within Product Security, the Remediation Operations function owns the day-to-day engine of Tide's vulnerability management programme: turning a high volume of findings from across our tooling estate into clear, prioritised, actionable work for engineering and IT teams. This role sits at the heart of that function. You will be the connective tissue between security tooling and the teams who fix things, making sure the right vulnerabilities reach the right people with the right context, and that the

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 (US), London (UK) About the role As a Senior Product Security Engineer, you will lead security assessments and vulnerability operations for Cloudflare’s core software products. In this role, you will analyze system architecture, threat model new features, and ensure that product-related security findings are accurately triaged, routed to the correct engineering owners, and mitigated within our SLAs. On any given day, yo

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible earnings opportunities to Instacart Personal Shoppers. Instacart has become a lifeline for millions of people, and we’re building the team to help push our shopping cart forward. If you’re ready to do the best work of your life, come join our table. Instacart is a Flex First team There’s no one-size fits all approach to how we do our best work. Our employees have the flexibility to choose where they do their best work—whether it’s from home, an office, or your favorite coffee shop—while staying connected and building community through regular in-person events. Learn more about our flexible approach to where we work. Overview About the Role - You will be a key member of the Security Engineering team that is tasked with researching, developing, and conducting offensive security techniques for a suite of Instacart products. We are looking for a breaker mindset security engineer who can scale out the discovery of security defects and anti-patterns to mature the security posture of Instacart product lines.. About the Team -The security team at Instacart is tasked with ensuring the security and privacy of Instacart’s suite of products and the company as a whole. We believe that with the right mixture of tools and engineering prowess, we can secure our most important assets without negatively impacting productivity. We pride ourselves on fostering a collaborative and inclusive environment where continuous learning and growth are encouraged. About the Job Design and conduct offe

We're transforming the grocery industry At Instacart, we invite the world to share love through food because we believe everyone should have access to the food they love and more time to enjoy it together. Where others see a simple need for grocery delivery, we see exciting complexity and endless opportunity to serve the varied needs of our community. We work to deliver an essential service that customers rely on to get their groceries and household goods, while also offering safe and flexible earnings opportunities to Instacart Personal Shoppers. Instacart has become a lifeline for millions of people, and we’re building the team to help push our shopping cart forward. If you’re ready to do the best work of your life, come join our table. Instacart is a Flex First team There’s no one-size fits all approach to how we do our best work. Our employees have the flexibility to choose where they do their best work—whether it’s from home, an office, or your favorite coffee shop—while staying connected and building community through regular in-person events. Learn more about our flexible approach to where we work. Overview About the Role - You will be a key member of the Security Engineering team that is tasked with researching, developing, and conducting offensive security techniques for a suite of Instacart products. We are looking for a breaker mindset security engineer who can scale out the discovery of security defects and anti-patterns to mature the security posture of Instacart product lines.. About the Team -The security team at Instacart is tasked with ensuring the security and privacy of Instacart’s suite of products and the company as a whole. We believe that with the right mixture of tools and engineering prowess, we can secure our most important assets without negatively impacting productivity. We pride ourselves on fostering a collaborative and inclusive environment where continuous learning and growth are encouraged. About the Job Design and conduct offe

Location: New York City or San Francisco - 4 days in office About the Role We are looking for a highly technical Senior Security Engineer who is passionate about protecting data across modern SaaS, cloud, endpoint, and analytics environments. This role is ideal for someone who enjoys solving complex data security challenges through engineering, automation, and AI rather than relying solely on commercial tools. You will help build, scale, and continuously evolve Sigma’s data security capabilities across SaaS applications, cloud platforms, endpoints, collaboration tools, AI systems, and data warehouses. You will be joining a dynamic and highly technical Security Engineering team at Sigma. This is a hands-on engineering role for builders, innovators, and problem-solvers who want to create scalable security solutions that protect the organization's most critical asset - data. What You'll Do Design, build, and maintain security platforms, services, APIs, automation, and internal tooling that protect Sigma's data across cloud, SaaS, endpoint, and analytics environments. Develop scalable solutions for data discovery, classification, governance, access controls, monitoring, and protection using modern engineering practices and automation. Build and mature capabilities around CASB, DLP, DSPM, SSPM, insider risk, and data access governance to reduce the risk of unauthorized access, sharing, or exposure of sensitive information. Build and maintain DLP controls and tooling across multiple cloud, OS environments and decentralized datasets, implementing and tuning prevention capabilities that protect against sophisticated data security incidents. Drive automation across DLP engineering and operations by leveraging LLMs, agentic AI, and an automation-first mindset to streamline workflows, reduce manual effort, and scale data protection coverage. Design and implement security controls across SaaS applications, collaboration platforms, endpoints, and business-critical

Every day, tens of millions of people come to Roblox to explore, create, play, learn, and connect with friends in 3D immersive digital experiences– all created by our global community of developers and creators. At Roblox, we’re building the tools and platform that empower our community to bring any experience that they can imagine to life. Our vision is to reimagine the way people come together, from anywhere in the world, and on any device. We’re on a mission to connect a billion people with optimism and civility, and looking for amazing talent to help us get there. A career at Roblox means you’ll be working to shape the future of human interaction, solving unique technical challenges at scale, and helping to create safer, more civil shared experiences for everyone. As a Principal Enterprise Security Engineer, you will play a critical role in executing Roblox’s Enterprise Security Strategy. You will design, deploy, and manage security solutions to protect Roblox’s corporate infrastructure and ensure secure, compliant operations across the organization. Working closely with Corporate Engineering and Trust & Safety teams, you will translate business requirements into robust security implementations that enable secure productivity while mitigating risk. You will join the Platform, Enterprise, and Application Security group, reporting directly to the Senior Manager of Enterprise Security Engineering. You'll partner with security professionals across the Information Security organization, and work cross-functionally with teams throughout Roblox to drive security initiatives that scale with our business. You will: Evaluate and implement security technologies and vendor solutions to ensure alignment with enterprise security requirements, compliance standards, and overall risk management strategy Lead and drive initiatives across core security domains, including Endpoint Security, SaaS Security, Identity & Access Management (IAM), Agentic AI Governance

Who are we? Cohere is the leading security-first enterprise AI company. We build cutting-edge foundation AI models and end-to-end products that are designed to solve real-world business problems. We’re training and deploying frontier models for enterprises who are building AI systems. We believe that our work is instrumental to the widespread adoption of AI and we are looking for folks that want to be part of that. We obsess over what we build. Each one of us is responsible for contributing to increasing the capabilities of our models and the value they drive for our customers. Cohere is a team of researchers, engineers, designers, and more, who are all passionate about their craft. We are a global technology company headquartered in Toronto with key offices in London, New York City, San Francisco, Montreal, Paris, Berlin and Seoul. Join us! Security Clearance: Active Secret+ clearance strongly preferred; candidates eligible and willing to obtain clearance will also be considered. More information about Canadian Security Clearance is available here . As an Infrastructure Security Engineer, your key responsibilities include: Deploy, and manage infrastructure for Protected B classified environments, ensuring compliance with ITSG-33 and Canadian government standards Design and implement security controls for cloud (AWS, GCP, Azure) and hybrid/multi-cloud deployments Evaluate, implement, and manage security tools and technologies for training cluster and inference infrastructure hardening Implement security best practices including IAM, encryption, logging, and monitoring Participate in security incident response activities, including detection, analysis, containment, and remediation Conduct regular vulnerability assessments and penetration testing of infrastructure components Maintain comprehensive security documentation, procedures, and configurations for classified environments Maintain active Secret+ security clearance and adhere to all Canadian government security

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 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've passed $1B in annualized run rate, up 15x from a year ago. In October 2026 we raised a $750M Series D led by Accel at a $15.75B valuation. Our team includes creators of popular open-source projects (e.g., Seaborn , Luigi ), academic researchers, international olympiad medalists, and experienced engineering and product leaders with decades of experience. The Role: We’re looking for an Infrastructure Security Engineer to design and secure the core systems that power our platform. This role focuses on building security directly into our infrastructure—from container isolation and orchestration to identity and secrets management in a multi-tenant, cloud-native environment. You’ll work closely with engineering teams to define secure primitives and ensure our platform is resilient, scalable, and trustworthy by design. This is a hands-on, deeply technical role focused on real systems, not compliance or policy. What You'll Do: Platform & Runtime Security Design and improve isolation mechanisms for multi-tenant workloads (containers, sandboxing, execution environments) Strengthen boundaries between customers, workloads, and internal systems Identify and mitigate risks in distributed, dynamic compute environments Container & Orchestration Security Secure and

About us Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands — including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank — to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia. We are guided by a set of values that are at the core of our actions and define our culture: Trust, Customer Obsession, Craftsmanship, Intensity, and a commitment to balancing Family along the way. These values are the foundation of our work, and we are committed to upholding them in everything we do. Our co-founders are Bret Taylor and Clay Bavor . Bret currently serves as Board Chair of OpenAI. Previously, he was co-CEO of Salesforce (which had acquired the company he founded, Quip) and CTO of Facebook. Bret was also one of Google's earliest product managers and co-creator of Google Maps. Before founding Sierra, Clay spent 18 years at Google, where he most recently led Google Labs. Earlier, he started and led Google’s AR/VR effort, Project Starline, and Google Lens. Before that, Clay led the product and design teams for Google Workspace. Security Engineer Security Engineering builds the foundations that let Sierra deliver powerful AI agents while protecting customer data and trust. We partner across product and platform to make security, privacy, and safety core product capabilities and secure defaults. What you’ll do Our work spans several security domains. You’ll go deep where your strengths and interests are strongest, with opportunities to explore new areas alongside the team. Build the Foundations of Trust. Design and ship systems and controls that make Sierra secure by default — spanning product security, infrastructure security, enterprise security, identity, and detection and response. You’ll work across all layers of our platform to identify risk, strengthen architectures, and buil