Security Engineering Tech Lead Jobs

ROLE SUMMARY Our Global Cyber Defense team is responsible for safeguarding Pfizer’s digital assets and infrastructure through proactive threat detection, response, and risk mitigation across on-premises, cloud, and hybrid environments. The Manager, Email Security Engineering is responsible for leading and advancing enterprise-wide protections across email, collaboration, and messaging platforms—critical threat surfaces within the Cyber Defense organization. Email remains a primary vector for phishing, business email compromise, malware delivery, and account takeover in the pharmaceutical industry. This role will lead the design, implementation, and continuous improvement of email security capabilities across our global enterprise. The role is critical to protecting research, clinical, manufacturing, and corporate environments by delivering resilient, scalable, and compliant controls that prevent, detect, and respond to email-borne threats. ROLE RESPONSIBILITIES Lead Email Security Engineering initiatives across enterprise email, collaboration, and messaging platforms, including secure email gateways, cloud email security, anti-phishing, anti-malware, and domain protection capabilities. Define and execute the email security strategy and roadmap in alignment with the evolving threat landscape, business priorities, and regulatory requirements. Own the engineering and lifecycle management of email security technologies, including deployment, configuration, policy tuning, automation, integration, performance, and continuous optimization. Strengthen defenses against phishing, business email compromise, malicious attachments and links, spoofing, impersonation, and account takeover through layered preventive and detectiv

Biohub is the first large-scale initiative bringing frontier AI models, massive compute, and frontier experimental capabilities under one roof. We're building a general-purpose system to accelerate scientific discovery, integrating frontier AI models, biological foundation models, and lab capabilities, with the ultimate goal of curing disease. Our technology powers scientists around the world, translating AI capabilities into tools that accelerate research everywhere. The Team Our AI research team sits at the heart of our mission to unlock new dimensions of biological understanding. You will leverage state-of-the-art AI to accelerate discovery and drive transformative insights in biology—developing novel AI models purpose-built for biological research, engineering robust systems that enable breakthrough science at unprecedented scale, and translating these advances into practical tools that empower researchers worldwide. Our approach is comprehensive and integrated, bringing together world-class AI model development, exceptional engineering talent, high-quality biological data, powerful computing infrastructure, and strategic partnerships. Success requires excellence across five interconnected pillars: training frontier AI models specifically for biology; building engineering systems that maximize research velocity and efficiency; executing a sophisticated data strategy that fuels AI development; operating a world-class AI compute platform; and creating impactful products that transform AI capabilities into accessible scientific tools. The Opportunity The Security Engineering and Infrastructure team brings modern security engineering practices to the Biohub network to make sure our systems are secure while we accelerate Biomedical research. We are uniquely positioned to design, build, and scale software systems to help scientists better address the myriad challenges they face. This team works on building shared tools and platforms to be used across

Vice President, Information Security Engineering — Arlington, Virginia. Apply via Workday.

About the Team DoorDash’s Global Governance, Risk and Compliance (GRC) team helps the business scale securely through practical risk-based decisions, reliable controls and clear accountability. Our third-party risk program protects the systems and data behind our marketplace across DoorDash, Wolt, and Deliveroo. About the Role We're hiring a Security Risk Specialist, who will help run and shape our risk management program and treatment plans, enabling risk and control owners and security teams to keep risk at an acceptable level as the business grows. You will work cross-functionally to achieve business goals by running risk assessments and reporting, supporting exception requests when a policy can't be met, and helping automate the tooling and processes that keep our risk register accurate and trustworthy. You'll also help us build a more proactive risk function — going into specific areas of the business to deep-dive their controls, surface where things have gone wrong, and get ahead of issues before they surface. You will report into the Senior Security Risk Manager on our GRC team in our Security organization. You’re excited about this opportunity because you will… Lead our global risk management process (assessing risk, negotiating treatment plans with owners, turning regulatory and framework changes into real, working controls) Get into the detail of how controls operate day-to-day, factoring in threat intelligence to make sure we stay ahead of new threat actors and attack vectors Manage policy exceptions by building compensatory controls or a case for risk acceptance instead Own risk reporting for key areas like security or engineering, becoming the go-to risk contact for at least one and helping reduce risk there in a measurable way Collaborate and report widely within our GRC and security teams and across the business Help shape our team’s strategy and tooling as we grow by building your own automations rather than waiting on an engineer to build them for y

About the Role Global Safety and Security (GSS) protects our people, our sites, and the physical and logical systems that keep the business running. Our security and protection programs are never single-team efforts: one rollout can touch physical security operations, customer experiences, site readiness, hardware provisioning, networking, cloud infrastructure, identity, and the data platforms above them — spanning many countries, on timelines tied to leases, permits, and vendors. About the Team We are hiring a Staff Security Engineer to help design and deliver strategic and durable security services. You own the technical and architectural plan, strategic partner engagement with technology providers, the delivery sequence, the dependencies, and the program status leadership relies on. You are accountable for outcomes influencing teams that you don’t manage. You will collaborate with software engineers, third-party providers, physical security operations, project managers running site readiness and provisioning, and networking and cloud infrastructure partners, and you will keep managers, directors, and senior leaders informed. Security Enablement Engineering delivers security paved paths and capabilities that address systemic security issues through well-designed customer experiences, easy-to-adopt and robust, well-architected security solutions, systematically reducing organizational risk. You’re excited about this opportunity because you will… Own the design of our physical security systems integration layer — such as access control (PACS) and video management (VMS) platforms, the APIs they expose, and the connectors that carry their data into our systems of record. Own end-to-end design and delivery of multi-domain security services spanning physical security systems, hardware provisioning and site readiness, cloud and network infrastructure, identity and access management, key management, and the reporting/observability layers on top. You’ll bring experti

Secure Every Identity, from AI to Human Identity is the key to unlocking the potential of AI. Okta secures AI by building the trusted, neutral infrastructure that enables organizations to safely embrace this new era. This work requires a relentless drive to solve complex challenges with real-world stakes. We are looking for builders and owners who operate with speed and urgency and execute with excellence. This is an opportunity to do career-defining work. We're all in on this mission. If you are too, let's talk. Okta’s Workforce Identity Cloud Security Engineering group is looking for an experienced and passionate software security engineer to join a team focused on designing and developing Security solutions to harden our frameworks & infrastructure. We embrace innovation and pave the way to transform bright ideas into excellent security software solutions that help run large-scale, mission-critical software. We encourage you to prescribe defense-in-depth measures, industry security standards, enforce the principle of least privilege to help take our Security posture to the next level. Our Security engineering team has a niche skill-set that combines Security domain expertise with the ability to design, implement and rollout security features and functionalities without adding friction to product functionality or performance. We are responsible for the ever-growing need to improve our customer safety and privacy by providing security services that are coupled with the core Okta product. This is a high-impact role in a security-centric, fast-paced organization that is poised for massive growth and success. You will act as a liaison between the Security org and the engineering org to build technical leverage and influence the security roadmap and direction. You will focus on engineering security and privacy aspects of the systems used across our services while working on a weekly release cadence. You will be empowered to propose stimulating new

At Asana, security is foundational to our mission of helping humanity thrive by enabling the world's teams to work together effortlessly. Our security team protects Asana's employees, users, and customers by proactively addressing threats and fostering a culture of security throughout our product and operations. We're looking for a Product Security Engineer to join our Product Security team in Vancouver. You'll be a key member of our security engineering team, partnering directly with product and infrastructure teams to ensure we design and ship secure software. You will be instrumental in scaling our security practices by building secure-by-default frameworks, eliminating entire classes of vulnerabilities, and championing a security-first mindset across our web, mobile, and AI-powered product surfaces. This role is based in our Vancouver office with an office-centric hybrid schedule. The standard in-office days are Monday, Tuesday, and Thursday. Most Asanas have the option to work from home on Wednesdays. Working from home on Fridays depends on the type of work you do, and your recruiter can share more about the in-office requirements. What you'll achieve Partner with product and engineering teams across the full software development lifecycle to ensure security is designed and built into Asana's products and platform. Conduct security architecture reviews, threat modeling, and code reviews for new features and services. Develop, implement, and maintain secure-by-default frameworks and libraries that empower engineering teams to build secure systems easily. Build and maintain automated security tooling (static and dynamic analysis rules, custom SAST/DAST checks, and automated red-teaming) to scale security coverage without scaling headcount. Identify and address AI-specific security risks such as prompt injection, insecure tool permissions, and abuse-resistant design in Asana's AI and agentic features. Triage, investigate, and drive remediation of vulnerabilities f

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. DoorDash Labs is an independent team within DoorDash pioneering new delivery modalities including Air, our drone delivery program. If you have a passion for applying autonomous aviation technologies in a service used by millions of people, then we want to talk to you! About the Role Our team is looking for a Staff Security Engineer who will act as the primary security partner to DoorDash Labs - Air, our drone delivery program. This role owns the security strategy for our fleet of drones, ground infrastructure, and the software and networks that connect them. We’re looking for a highly technical, hands-on security engineer with deep experience securing IoT or robotic platforms, who can work independently and coordinate across engineering, hardware, and operations teams to drive security objectives and validation. This role is based in the San Francisco Bay Area, with the expectation of coming into the office once a week, and periodic travel to test and production sites. You’re excited about this opportunity because you will… Own and drive the security strategy for drone delivery including drone authentication systems, ensuring only trusted drones and operators can access DoorDash Labs - Air systems and networks. Secure the physical and software layers of our drones and drone infrastructure, from firmware and onboard software to the physical hardware itself. Secure the physical and software layers of our nests (drone docking and charging infrastructure) and related ground infrastructure. Design and implement secure networking architecture across drone, nest, and ground systems. Review RFCs and design documents for new Air features and infrastructure, providing security guidance early in the development lifecycle. Visit test or production sites at least once a quarter to assess security control

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. About the Role As a Senior Enterprise Security Engineer, you will lead the design and operation of security controls that protect our internal networks, workforce identities, endpoints and corporate systems. You will be working globally with security teams across US, EU and APAC, delivering against our goals and objectives - reducing risk and maturing controls. As a Senior, you will operate with a high degree of autonomy. You will define technical direction, make architectural decisions, and deliver complex security initiatives end-to-end. You will be expected to balance risk reduction with usability, ensuring controls are robust without impeding employee productivity. This role focuses on Identity and Access Management (IAM), Endpoint security (EDR), Network Security, logging and detection engineering, and secure SaaS enablement. You will work closely with IT, Legal, Privacy, Engineering and business stakeholders to embed security as a default practice across the organisation. Security controls will be aligned to recognised frameworks such as the CIS Critical Security Controls and the NIST Cybersecurity Framework (CSF). Key Responsibilities Architecture & Control Implementation: Design, deploy, and maintain core corporate security controls, including phishing-resistant MFA, Just-In-Time (JIT) access, strict role-based access control (RBAC), zero-trust architectures, device and identity bound proofing and modern network isolation. Tooling Ownership: Serve as the technical owner for a broad suite of corporate security systems, managing deployments, configurations, and API integrations for tools across the corporate environment. Technical Leadership: Lead and implement the

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. Who We Are Join us in our mission to transform the way people shop and eat, where impact, innovation and growth drive everything we do. Our Engineering teams tackle complex technical challenges across a global, three-sided marketplace, building and scaling systems that serve millions of customers, riders and partners every day. From real-time logistics to resilient infrastructure and marketplace optimisation, we design, build and operate technology that powers Deliveroo’s growth at scale. We’re looking for a Senior Software Engineer, Proactive Security to join our London (Hybrid) team. In this role, you will be a part of our inclusive, collaborative global team responsible for enabling proactive security outcomes with “security paved paths” to ensure a safe, reliable and resilient delivery network. Get to know our Proactive Security Engineering team — what drives us, how we work, and what you can expect. About the Team At Deliveroo we’re striving to build London’s best and most admired Security Engineering organisation as part of our global team based across North America and Europe. Our London based Security Engineering team is looking for a Software Engineer to lead the design, development and operation of security services within Deliveroo’s Product and Cloud Security domains. You will be a part of our inclusive, collaborative global team responsible for building “ security paved paths ” to ensure a safe, reliable and resilient delivery network. This is a London based position reporting directly to the European Senior Manager of our Security Engineering team based in London. What You’ll Need to Thrive Build and maintain core security products, including but

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 Engineering is paramount to the success of our business, and DoorDash Security aspires to be one the world’s most admired Security Engineering 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 drivers. About the Role Our Proactive Security Engineering team is looking for a Staff Security Engineer, Proactive Security to execute on AI Security Product Engineering following a forward deployed engineering Pod model. You will be a part of our inclusive, collaborative forward deployed engineering team responsible for building “paved road” Security Product controls directly into our AI surfaces for our Customer, Merchant and Dasher products to ensure a safe, secure and resilient delivery network. This is not a classic Product Security role performing reviews and operating platform products, this is a forward deployed model where we operate in Pods that focus on domain code bases to build and ship AI Security Products including Hardened Product Agents, AI Guardrails, MCP Gateways and many upcoming AI Hardening initiatives. This is a US remote position reporting directly to the Manager of our Proactive Security Engineering team. You’re excited about this opportunity because you will… Co-lead the technical direction and roadmap for secure and responsible building of AI Security Products at DoorDash. Partner cross-functionally with Product Engineering, Legal, Security Engineering Platform, Data teams and XFN partners to build “paved road” proactive security controls that enable secure by design AI products into DoorDash eco-system. Examp

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 Engineering is paramount to the success of our business, and DoorDash Security aspires to be one the world’s most admired Security Engineering 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 drivers. About the Role Our Proactive Security Engineering team is looking for a Staff Security Engineer, Proactive Security to execute on Dasher Security Product Engineering following a forward deployed engineering Pod model.You will be a part of our inclusive, collaborative forward deployed engineering team responsible for building “paved road” Security Product controls directly into our Dasher products to ensure a safe, secure and resilient delivery network. This is not a classic Product Security role performing reviews and operating platform products, this is a forward deployed model where we operate in Pods that focus on domain code bases to build and ship Dasher Security Products focusing on application hardening, anti-app reversing, and payment security in our global Dasher ecosystem.This is a US remote position reporting directly to the Manager of our Proactive Security Engineering team. You’re excited about this opportunity because you will… Lead the technical direction and roadmap for hardening of Dasher Security Products at DoorDash. Partner cross-functionally with Product Engineering, Legal, Security Engineering Platform, Data teams and XFN partners to build “paved road” proactive security controls that enable secure by design AI products into DoorDash eco-system. Examples of Dasher Security Products this team will focus on i

At Asana, security is foundational to our mission of helping humanity thrive by enabling the world's teams to work together effortlessly. The security team protects Asana's employees, users, and customers by proactively addressing threats and fostering a culture of security throughout our product and operations. We’re looking for a detail-oriented, collaborative Security Operations Engineer to join our Security blue team in Warsaw to help solve complex tracking challenges and ultimately scale our security infrastructure. You'll be a foundational member of the security presence in a key engineering hub, partnering directly with IT, infrastructure, and product teams to ensure we have robust detection and response capabilities. This role is based in our Warsaw office with an office-centric hybrid schedule. The standard in-office days are Monday, Tuesday, and Thursday. Most Asanas have the option to work from home on Wednesdays. Working from home on Fridays depends on the type of work you do, and your recruiter can share more about the in-office requirements. We offer a Contract of Employment (UoP) for our employees in Poland. What you’ll achieve: Lead security incident detection, analysis, and response efforts, ensuring timely and effective remediation of security incidents. Utilize and optimize security tools such as Panther for SIEM, CrowdStrike for endpoint detection and response, and other security platforms. Develop, implement, and maintain security playbooks and automation scripts to streamline security operations and reduce manual toil. Monitor security alerts and threat intelligence feeds, proactively identifying and addressing emerging threats. Conduct forensic analysis during security incidents to understand the scope and impact of incidents. Collaborating with engineering teams to integrate security best practices into development processes and provide guidance on secure configurations. Develop and deliver t

Who We Are Addepar is a global data and AI platform empowering investment professionals to turn complex financial information into actionable intelligence. Addepar unifies portfolio, market and client data in a total portfolio view and delivers AI-powered insights within investment and client workflows. More than 1,500 firms in 60 countries use Addepar to manage and advise on nearly $10 trillion in assets. Its open platform integrates with 650 software, data and consulting partners to power end-to-end investment operations across firms of all sizes and levels of complexity. Addepar supports clients worldwide with offices in New York City, Salt Lake City, São Paulo, London, Edinburgh, Geneva, Warsaw, Dubai, Pune and Singapore. The Role We are seeking a well rounded Staff AI Security Engineer to join our growing Information Security & Risk team. In this role, you will be a member of our newly formed Security Solutions team. This team is at the forefront of driving organization-wide security enhancements through high-impact, project-driven initiatives with a heavy focus on AI. If you are looking for an opportunity to build from the ground up, influence security architecture, and meaningfully elevate Addepar’s overall security posture, this is the role for you. Applicants must be legally authorized to work in the United States for any employer without requiring current or future visa sponsorship (for example, employment-based visas such as H-1B , F-1 /OPT, or similar), and must be authorized to begin work in the U.S. on their first day of employment. What You’ll Do Focus on AI Security in the following areas: Innovation & Strategy - Keep up with the latest trends, models and innovations in all facets of AI Security and advise on proper architectures Platform AI Security - Working with our Engineering and Application Security teams to ensure our products are leveraging AI in a secure manner across our platform. AI Enablement -Partnering with our Archi

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 Abuse Research team is dedicated to proactively hunting for emerging abuse vectors and studying complex attacker behaviors. Rather than just reacting to alerts, the team maps complete abuse paths across Stripe products and external systems to validate novel findings and explain the underlying product conditions that enable fraud. By building continuous abuse tests with agentic testing and related systems, they translate their deep research into actionable threat advisories, strategic control recommendations, and regression scenarios that fortify Stripe’s defenses. What you’ll do You will lead the Abuse Research Group (ARG)—a team of threat intelligence analysts, fraud researchers, and detection engineers focused on proactively identifying and mitigating threats to Stripe and our merchants. You will set the research agenda, guiding work across threat actor tracking, hands-on fraud investigations, merchant ecosystem defense, and the detection pipelines that turn findings into production enforcement. You will scale the team through hiring, coaching, and talent development, while serving as a technical advisor on complex investigations. You will also own ARG's relationships with key partners—including Risk, Trust & Safety, Fraud Platform, and Security Engineering. Lead, develop, and retain a team of threat intelligence analysts, fraud researchers, and detection engineers who thrive at the intersection of adversarial research an