Staff Product Security Engineer jobs in San Francisco – Browse 6,729 openings on RoboApply Jobs

Staff Product Security Engineer jobs in San Francisco

Open roles matching “Staff Product Security Engineer” with location signals for San Francisco. 6,729 active listings on RoboApply Jobs.

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Valon logo
Full-time|Remote|Remote

About ValonValon is pioneering the AI-driven operating system for regulated finance, beginning with mortgage servicing. As a Series C company backed by a16z, we are revolutionizing sectors that many deemed too complex for innovation.Instead of relying on outdated legacy systems, we took an innovative route by developing and managing our own mortgage servicin…

Feb 12, 2026
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Faire logo
Full-time|$268K/yr - $368.5K/yr|On-site|San Francisco, CA

About FaireFaire is a dynamic online wholesale marketplace that champions local entrepreneurship. We believe in the power of small, independent retailers who collectively generate more revenue than giants like Walmart and Amazon. Our mission is to empower these businesses through cutting-edge technology, data insights, and machine learning, enabling them to find unique products from around the world to offer in their stores. We strive to level the competitive field, allowing small businesses to thrive against larger corporations.By nurturing the growth of independent retailers, Faire is making a significant economic impact in communities worldwide. We are looking for talented, innovative, and dedicated individuals who share our passion for supporting local businesses. If you resonate with the values of community and collaboration, we invite you to be a part of our mission.Role Description:As a pivotal member of our Engineering organization, you will be at the forefront of developing the software that powers our marketplace. The Product Security team plays a crucial role in enabling our product engineering teams to build and deploy secure software solutions. We prioritize strong engineering practices and are passionate about writing scalable, maintainable, and secure code that successfully caters to millions of users. Our approach focuses on building reusable frameworks, consulting with product teams, leveraging data insights, and continuously iterating on our processes.In your role as a Senior Staff Software Engineer specializing in Product Security, you will take the lead in defining the technical vision for security practices across Faire’s application stack. You will collaborate closely with Platform and Product Engineering teams to identify and mitigate security vulnerabilities, spearhead critical security initiatives, and mentor fellow engineers to elevate secure engineering standards throughout the organization.Your efforts will also include leading cross-functional programs that integrate security deeply into our architecture, pipelines, and overall developer experience, ensuring a balanced approach that minimizes risk while maintaining development velocity.As a Senior Staff Software Engineer, Product Security, you will collaborate with us to:Establish a long-term technical strategy for application security at Faire, creating scalable and developer-friendly frameworks that facilitate secure development across all product domains.

Mar 13, 2026
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Harvey logo
Full-Time|On-site|San Francisco

Join the Revolution at HarveyAt Harvey, we're not just changing the game for legal and professional services; we're redefining it from the ground up. By harnessing cutting-edge agentic AI, a robust enterprise platform, and unparalleled domain expertise, we're transforming the way essential knowledge work is performed for generations to come.This is an extraordinary opportunity to contribute to the foundation of a groundbreaking company at a pivotal moment. With a client base exceeding 1,000 across over 58 countries, a strong product-market fit, and exceptional investor backing, we're rapidly scaling and creating a new genre in real-time. The challenges are ambitious, the expectations are high, and the potential for growth — personally, professionally, and financially — is unparalleled.Our team is composed of sharp, driven individuals who are passionately committed to our mission. We operate with agility, intensity, and take genuine ownership of the challenges we face — from initial concept to long-term impact. We maintain close relationships with our customers, spanning from leadership to engineering teams, working collaboratively to address real issues with urgency and care. If you excel in uncertain environments, strive for excellence, and wish to help craft the future of work alongside like-minded individuals, we welcome you to join us in building something remarkable.At Harvey, the future of professional services is being crafted today — and we’re only at the beginning.Role OverviewAs a Senior Staff Software Engineer on our Product Security team, you will play a vital role in integrating security into our AI platform from the outset. Given that we handle and process our clients’ most sensitive information, prioritizing security is essential throughout our product lifecycle. You will take the lead in safeguarding crucial aspects of our product while spearheading high-impact security initiatives that elevate our entire engineering organization — balancing hands-on technical contributions with cross-functional leadership and mentorship. You’ll be responsible for designing and implementing both technical safeguards and security features within the Harvey platform.Our security program thrives on our collective offensive security experience: penetrating systems at other organizations (in white-hat capacities), responding to real security incidents, and drawing lessons from data breaches elsewhere. We routinely conduct penetration tests and red team exercises with external security experts. Simultaneously, we are all software engineers who contribute code daily, approaching security with an engineering-first mindset.What You’ll DoEstablish and enhance the security posture across the engineering organization, setting scalable standards.Collaborate with Product Engineering, Infrastructure, and other teams to integrate security into every facet of our development process.

Apr 24, 2025
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Twelve Labs logo
Full-time|Remote|Remote US- CA

Join Our Innovative TeamAt Twelve Labs, we are at the forefront of technology, developing state-of-the-art multimodal foundation models that enable video comprehension akin to human understanding. Our groundbreaking models have set new benchmarks in video-language modeling, enhancing our capabilities and revolutionizing media interaction and analysis.With impressive backing of $107 million in Seed and Series A funding from prestigious venture capital firms including NVIDIA’s NVentures, NEA, Radical Ventures, and Index Ventures, as well as renowned AI pioneers such as Fei-Fei Li and Alexandr Wang, our San Francisco headquarters serve as a hub for global innovation, complemented by a strong presence in APAC from Seoul.We cherish the unique journeys of our team members, believing that diverse cultural, educational, and life experiences fuel our collective creativity. We seek passionate individuals aligned with our mission to reshape technology. Join us in our quest to revolutionize video understanding and the realm of multimodal AI.Your RoleWe are on the lookout for a Staff Security Engineer to bolster our security team. Collaborating closely with our lead security engineer, you'll play a vital role in evolving and scaling our security initiatives. This generalist position offers a wide-ranging scope, encompassing application security, cloud infrastructure, CI/CD pipelines, and addressing AI/ML-specific vulnerabilities.This is not a SOC position; you won't be confined to an alert queue. Instead, you'll be actively engaged in identifying risks, enhancing controls to mitigate those risks, and working collaboratively with engineering and infrastructure teams to integrate security seamlessly into our development processes. As a dynamic AI company, we tackle security challenges that are often unprecedented—securing model weights, ML pipelines, and training infrastructure alongside more traditional domains.If you thrive on addressing emerging threats, enjoy deeply understanding systems, and aspire to make a meaningful impact at a cutting-edge video AI company, this role is tailored for you.Note: U.S. Citizenship is required due to access to systems governed by U.S. government security regulations.Location Requirements: We are currently considering candidates exclusively based in the Pacific Time Zone (PT).Candidates should be prepared to travel up to 10% annually for team meetings and events.

Mar 2, 2026
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Databricks logo
Full-time|$135.7K/yr - $240K/yr|On-site|San Francisco, California

Join Databricks as a Staff Product Manager, SecurityAt Databricks, we are dedicated to empowering data teams to tackle the world’s most formidable challenges, from revolutionizing transportation to accelerating medical advancements. Our mission is accomplished by providing the most robust data and AI infrastructure platform, which enables our clients to harness deep data insights to enhance their business operations. We are committed to simplifying user experiences in complex data management projects while upholding the highest security standards to safeguard their data.In this pivotal role, you will oversee all aspects of data security within the Databricks Lakehouse platform. You will spearhead product strategy, identifying, prioritizing, and implementing necessary external and internal controls to help customers adhere to privacy, confidentiality, digital sovereignty, and other regulatory requirements. You will design intuitive policy models that empower customers to manage access to their critical assets efficiently. Your contributions will instill confidence in IT and security administrators, facilitating increased adoption of Databricks within their organizations. Our data champions will rely on the security and operational simplicity you provide, allowing them to focus on delivering maximum value to their users. You will report directly to a Senior Director of Product Management.

Jan 30, 2026
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Tools for Humanity logo
Full-time|$276K/yr - $320K/yr|On-site|San Francisco

About the Role:As a Staff Product Security Engineer, you will play a pivotal role in ensuring the integrity and safety of our innovative products. Your expertise will guide the development and implementation of security protocols that protect user data and maintain privacy. You will collaborate closely with cross-functional teams to integrate security measures from the ground up, ensuring a robust defense against emerging threats in the AI landscape.Key Responsibilities:Design and implement security solutions to safeguard our products and infrastructure.Conduct security assessments and penetration testing to identify vulnerabilities.Work with engineering teams to integrate security into the product development lifecycle.Stay updated on the latest security trends and threats, adapting strategies accordingly.Develop and deliver security training to employees and partners.

Jan 16, 2026
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Cogent Security logo
Full-time|$100K/yr - $300K/yr|On-site|San Francisco, CA

About Cogent SecurityCogent Security is an innovative Applied AI Lab pioneering the future of AI agents in the realm of cybersecurity. In a world where cyber threats evolve at unprecedented speeds, our 'AI Taskforce' analyzes vast amounts of enterprise data to proactively address vulnerabilities and avert critical breaches.We remain at the forefront of technology by merging cutting-edge research with practical applications. Our dedicated Cogent Research team fuels our mission, ensuring we develop truly effective security workflows powered by AI.Since our inception, Cogent has rapidly grown, collaborating with Fortune 500 companies to safeguard the most intricate production environments globally.Supported by Greylock, our team comprises some of the brightest minds in applied AI, including experts from:Renowned universities such as Stanford, Berkeley, Penn, Duke, Carnegie Mellon, and Waterloo.High-growth unicorn companies like Scale AI, Databricks, Stripe, Tesla, and Coinbase.Leading cybersecurity specialists from Wiz, Abnormal AI, and Zscaler.Prestigious research institutions including DeepMind and SAIL.About the RoleAs we embark on building a suite of backend services and integrations with our design partners, we seek passionate and skilled Backend Engineers at both Senior and Staff levels, eager to thrive in the Applied AI domain.ResponsibilitiesDesign and implement critical backend subsystems and integration platformsComprehend business objectives and customer requirements to engineer backend subsystems that align with our technology strategies.Adapt systems to meet evolving needs of design partners and clients.Incorporate non-functional requirements such as compliance and security into system design.Establish scalable infrastructure foundationsPrepare for future growth in customer base, headcount, and data management by collaborating with your team to enhance infrastructure.

Nov 12, 2024
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Amplitude logo
Full-time|On-site|San Francisco, CA

Role Overview Amplitude is hiring a Staff Security Engineer in San Francisco, CA. This role focuses on strengthening security across the company’s systems and safeguarding user data. The position involves both hands-on technical work and collaboration with teams throughout the organization. What You Will Do Design and implement security controls and processes Conduct vulnerability assessments to identify and address risks Work closely with engineering and other teams to embed security best practices into the development lifecycle

Apr 14, 2026
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Harvey logo
Full-time|On-site|San Francisco

Join our innovative team as a Staff Software Engineer specializing in Product Security. In this role, you will be responsible for enhancing the security of our products, ensuring they meet the highest standards of safety and integrity. You will work collaboratively with cross-functional teams to design and implement security measures, conduct risk assessments, and develop solutions to mitigate vulnerabilities.

May 1, 2026
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Parafin logo
Full-time|On-site|San Francisco, CA

About Us:At Parafin, our mission is to empower small businesses by providing them with the financial support they need to thrive. Small businesses play a crucial role in our economy, yet they often face challenges in accessing traditional banking services. We develop innovative technology that simplifies access to essential financial tools through the platforms they already use for sales. By partnering with industry leaders like DoorDash, Amazon, Worldpay, and Mindbody, we deliver fast and adaptable funding solutions, spend management, and savings tools to small business users via seamless integrations. Parafin manages the complexities of capital markets, underwriting, servicing, compliance, and customer support on behalf of our partners.Our team of dedicated innovators comes from top-tier organizations such as Stripe, Square, Plaid, Coinbase, and Robinhood, all driven by a shared passion for creating solutions that foster the success of small businesses. Backed by prominent venture capital firms including GIC, Notable Capital, Redpoint Ventures, Ribbit Capital, and Thrive Capital, Parafin is a Series C company with over $194M raised in equity and $340M in debt facilities.Join us in shaping a future where every small business has the financial tools they deserve.About the Position:As a Staff Product Engineer at Parafin, you will be the go-to expert for our implemented products. You will collaborate across design, product, and backend teams to ensure that everything functions seamlessly. Our focus extends beyond specifications; we prioritize understanding the purpose of features, identifying users, and solving their problems. You will take ownership of the entire frontend experience, addressing every transition, edge case, and state change that occurs between user actions and screen outputs.While familiarity with our specific stack is not required, a strong foundation in JavaScript and experience shipping real products using React and TypeScript are essential.Your Responsibilities:Create Scalable, High-Quality User Experiences: Collaborate with design to deliver exceptional UI/UX while also managing critical aspects such as page performance, cross-browser compatibility, and mobile responsiveness.Gain In-Depth Product Knowledge: Develop a strong understanding and perspective on the products we build. Work closely with product and design teams to contribute to the development process, rather than merely executing specifications.Monitor and Enhance Performance: Implement observability for user interactions, core web vitals, and overall perceived performance.Build Frontend and Product Infrastructure: Participate in the development of build systems, developer tools, and deployment pipelines. Advocate for improvements in the developer experience and create internal tools to streamline processes.

Oct 2, 2025
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Scale AI logo
Full-time|$205.7K/yr - $297K/yr|On-site|New York, NY; San Francisco, CA; Washington, DC

Join Scale AI as a highly skilled Security Engineer in our Product Security team, where you will play a pivotal role in safeguarding the security and integrity of our products and services. This position involves conducting comprehensive code reviews, implementing security best practices, and shaping our overarching security strategy. Your proficiency in TypeScript, Python, AWS, CI/CD, SAST, DAST, and Terraform orchestration will be vital in detecting and addressing potential security threats. You will have the opportunity to analyze complex issues, identify root causes independently, and articulate the complexities and implications of security vulnerabilities, including their potential for exploitation and impact. Your responsibilities will include:Utilizing extensive product security knowledge to design and maintain software tools that secure every layer of the modern AI/ML software ecosystem.Conducting thorough code reviews to identify and rectify security vulnerabilities.Assessing and improving the security of our product offerings through RFC and service evaluations.Establishing and sustaining CI/CD pipelines with a strong emphasis on security.Executing Static Application Security Testing (SAST) and Dynamic Application Security Testing (DAST) to uncover vulnerabilities in production code.Employing Terraform orchestration to maintain secure and efficient infrastructure management.Advising engineering teams on developing robust, long-term solutions that prioritize security and privacy.Clearly communicating the mechanics and significance of security vulnerabilities, including their exploitability and potential consequences.Contributing to the security strategy and direction of the team, advocating for best practices and ongoing enhancements. Ideal candidates will possess:A proven track record of independently driving multi-month security initiatives, from problem identification to execution, with minimal oversight.Significant experience as a Security Engineer with an emphasis on product security.Proficiency in NodeJS, TypeScript, Python, and/or Kubernetes.A strong grasp of modern JavaScript application design.Practical experience in operating and securing AWS infrastructure at scale.Hands-on experience with SAST and DAST tools and methodologies.Familiarity with Terraform orchestration for managing infrastructure.Capability to analyze complex problems and identify root causes independently, providing actionable insights without managerial input.Exceptional communication skills, enabling clear presentation of technical concepts to diverse audiences.

Apr 10, 2026
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Peregrine Technologies logo
Full-time|$200K/yr - $275K/yr|On-site|San Francisco, CA

Supported by top-tier investors from Silicon Valley, Peregrine Technologies is dedicated to empowering public safety organizations, local and state governments, federal agencies, and private-sector institutions to tackle societal challenges with unparalleled speed and precision. Our innovative AI-driven platform transforms isolated and fragmented data into actionable intelligence, instantly revealing critical information that promotes quicker, more informed decisions enhancing outcomes at every level. Currently, Peregrine serves hundreds of clients across more than 30 states and two countries, impacting over 125 million individuals, and we are excited to broaden our reach into enterprise and international markets.Our TeamAt Peregrine, we maintain that empathy is vital to enhancing our solutions. Observing how users engage with our products is essential for finding the best solutions. Our engineers work closely with teams on-site to gain insights into the diverse use cases we support.We are in search of a talented security engineer to join our core engineering teams. Our teams face various challenges, from enabling real-time user collaboration on intricate maps to constructing robust backend architectures capable of processing billions of data points.We value humility and empathy as fundamental traits for crafting effective solutions—you will collaborate directly with our deployment team and users as we refine our approach to addressing their needs. Creativity and perseverance are vital in realizing our vision.RoleThis is an exciting opportunity for a software engineer to join our expanding team, where you will gain substantial ownership over our technology stacks, making impactful decisions that will shape our future. You will play a pivotal role in ensuring that security is woven into every aspect of our product development lifecycle.Our technology stack is continually evolving, anchored by a backend built on Python, Django, Celery, Airflow, and Kafka; a frontend utilizing React, Redux, and Mapbox; data storage solutions including PostgreSQL and Elasticsearch; machine learning models deployed using Bedrock and SageMaker; and infrastructure managed through AWS, Pulumi, Terraform, and Kubernetes.About YouDevelop scalable, security-first frameworks that form the backbone of our infrastructure, ensuring top-tier data security.Recognize and mitigate emerging security threats, establishing strategies that align with our product goals.Design security architecture across the platform...

Feb 4, 2026
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Discord Inc. logo
Full-time|$248K/yr - $279K/yr|Remote|San Francisco Bay Area or Remote

Join Discord, a platform cherished by over 200 million users monthly, where gaming is at the heart of our community. With more than 90% of our users engaging in games, they collectively spend 1.5 billion hours enjoying thousands of unique titles on Discord every month. Our commitment is to enhance the gaming experience by facilitating enjoyable interactions before, during, and after gameplay.At Discord, we empower individuals to connect within diverse communities, and our users trust us to safeguard their conversations. Our Platform Security Engineering team is dedicated to fortifying the systems that underpin Discord, ensuring that the "secure way" becomes the "easy way." We are seeking a Staff Software Engineer to drive this mission forward through your security expertise, software development skills, and operational excellence. In this technical leadership role, you will identify and pursue impactful opportunities to mitigate security risks across our Engineering teams. You will design and implement user-friendly "paved paths" for managing identities, deploying code, configuring cloud infrastructure, and operating services effectively.If you are a security engineer with a profound curiosity, keen on tackling technically and socially complex projects, and motivated to enhance security and privacy at Discord, we encourage you to explore this opportunity further!

Mar 12, 2026
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Reflection AI logo
Full-time|On-site|San Francisco

Our MissionAt Reflection AI, our mission is to develop open superintelligence that is accessible to everyone.We are creating advanced open weight models tailored for individuals, agents, enterprises, and even nations. Our talented team comprises AI researchers and industry veterans from renowned organizations such as DeepMind, OpenAI, Google Brain, Meta, Character.AI, Anthropic, and more.Role OverviewReflection.AI is seeking a motivated Member of Technical Staff - Security Engineer to establish our Application Security function while actively contributing to various projects across our Security Engineering organization. This role offers significant autonomy to design solutions and navigate both technical challenges and organizational dynamics. Ideal candidates will be those who excel in environments that prioritize ownership and possess a strong '0 to 1' mentality.Key ResponsibilitiesEngage in engineering tasks for essential projects within the Security organization, including our agentic AI incident detection and response SOC, along with long-term internal AI agents.Implement security measures for AI agents, encompassing sandboxes, identity, and authorization systems.Develop a comprehensive software supply chain security strategy, including tooling and infrastructure with SCA/SBOM analysis.Quickly deploy controls to address emerging supply chain threats.Create and sustain a detailed threat model for our software stack.Lead our penetration testing program based on prioritizations outlined in your threat model.Establish and propagate foundational secure coding practices and architectural patterns pertinent to AI/ML systems.Integrate Static Application Security Testing (SAST) tools within CI/CD pipelines for ongoing vulnerability assessments.Design and execute a thorough Secure Software Development Lifecycle.Required QualificationsProficiency in Python or Golang.Demonstrated experience in architecting and constructing complex software systems.Understanding of common application logic exploit vectors.Experience in implementing and executing cross-functional projects with significant impact.

Apr 30, 2026
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Parafin logo
Full-time|On-site|San Francisco, CA

Join Parafin as a Staff Product Engineer and play a pivotal role in designing and building innovative products that make a difference. You will collaborate with cross-functional teams to deliver high-quality solutions that exceed customer expectations.

Apr 10, 2026
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Cogent Security logo
Full-time|On-site|San Francisco, CA

About Cogent SecurityCogent Security is an innovative Applied AI Lab dedicated to developing the next generation of AI agents for cybersecurity. As cyber threats evolve, so do our defenses. Our 'AI Taskforce' analyzes vast amounts of enterprise data to proactively address potential breaches before they can escalate.To maintain our edge, we integrate pioneering research with practical implementation. In addition to our core product initiatives, Cogent Research acts as our applied AI laboratory, fueling our ability to create truly intelligent security workflows.Since our launch, Cogent has rapidly expanded, collaborating with Fortune 500 companies to secure some of the world's most intricate production environments.Supported by Greylock, we've assembled a team of exceptional talent in applied AI, including individuals from:Renowned universities such as Stanford, Berkeley, Penn, Duke, Carnegie Mellon, and WaterlooHigh-growth companies including Scale AI, Databricks, Stripe, Tesla, and CoinbaseLeading cybersecurity experts from Wiz, Abnormal AI, and ZscalerPrestigious research institutions like DeepMind and SAILAbout the RoleIn the role of Senior Frontend Engineer, you will take ownership of the frontend platform and user experience, empowering customers to visualize, understand, and act upon complex security data with assurance.This position is classified as Staff+ level; you will have previously operated as a Staff, Senior Staff, or Principal Frontend Engineer and will be eager to define the technical pathway for a new platform. Your responsibilities will include designing frontend infrastructure, developing 'golden' component libraries, and enhancing the platform’s AI capabilities, all while delivering customer-facing features.You will balance in-depth architectural design with hands-on development, ensuring our frontend stack is both sophisticated and robust as we scale. Over time, you will play a key role in mentoring junior frontend engineers, laying the groundwork for a strong team based on the foundations you establish.

Sep 30, 2025
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Parafin logo
Full-time|On-site|San Francisco, CA

About Us:At Parafin, we are dedicated to empowering small businesses, which are the foundation of our economy. Traditional banking solutions often fall short in supporting these enterprises, and that's where we come in. We create technology that simplifies access to essential financial tools for small businesses through their existing sales platforms.We collaborate with notable partners such as DoorDash, Amazon, Worldpay, and Mindbody to provide fast, flexible funding options, spend management solutions, and savings tools to small business users via seamless integration. Parafin handles the complexities of capital markets, underwriting, servicing, compliance, and customer support for our partners.Our team consists of innovators from leading companies like Stripe, Square, Plaid, Coinbase, and Robinhood, all driven by a shared passion for developing tools that foster the success of small businesses. With backing from prominent venture capital firms including GIC, Notable Capital, Redpoint Ventures, Ribbit Capital, and Thrive Capital, Parafin is a Series C company that has raised over $194M in equity and $340M in debt facilities.Join us in creating a future where every small business has the financial resources they need.About the PositionWe are seeking an experienced security-focused engineer to enhance and scale Parafin's security measures across our cloud and platform environments. Our Security and Infrastructure team is responsible for the foundational systems that power all of Parafin—from compute and networking to identity management and compliance. You will play a crucial role in ensuring these systems are secure, reliable, and compliant.In this role, you will design and implement controls, tools, and processes that maintain the resilience and compliance of our infrastructure, all while enabling developers to operate swiftly and safely. You will collaborate closely with various engineering and compliance teams to bolster our approach to access management, application security, threat monitoring, and incident response.

Nov 4, 2025
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Lyft logo
On-site|On-site|San Francisco, CA

At Lyft, we are dedicated to connecting people and creating a community where every team member feels valued and empowered to reach their full potential.As a pivotal player in transforming how our communities move, Lyft's engineering team is rapidly expanding. We are seeking passionate Software Engineers specialized in Security to join our dynamic Security team. Together, we will enhance our ability to deliver secure services at scale.Lyft is entrusted with the sensitive information of both drivers and passengers, and we take the responsibility of safeguarding that data seriously. Our Security team spearheads initiatives across the organization to protect our systems and uphold user trust.Our work encompasses designing and building a robust security architecture, collaborating with various teams during the development and launch of new products, anticipating potential challenges, and managing security incidents effectively. Our impact spans the entire organization, covering all aspects of the technology stack, including infrastructure, web applications, mobile apps, IT, and even autonomous vehicles. We adopt an engineering-focused approach to security, aiming to automate and streamline our processes while ensuring frequent updates. Explore more about our innovations on our blog at https://eng.lyft.com/tagged/security.The Cloud Security team is dedicated to enhancing Lyft's security posture by architecting a comprehensive security model tailored for our cloud infrastructure, protecting both our employees and intellectual property.As a Senior Software Engineer, you will play a crucial role in shaping this team and driving high-impact security initiatives. Your responsibilities will include leading security reviews, implementing detection measures, addressing vulnerabilities, enforcing the principle of least privilege, and establishing secure configurations for our multi-cloud and container environments.

Dec 26, 2025
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Cogent Security logo
Full-time|$100K/yr - $300K/yr|On-site|San Francisco, CA

About Cogent SecurityCogent Security is at the forefront of cybersecurity innovation, leveraging Applied AI to develop next-generation AI agents. In an era where cyber attacks evolve rapidly, our AI Taskforce analyzes vast amounts of enterprise data to proactively address vulnerabilities and prevent critical breaches.We combine pioneering research with practical execution, ensuring that our innovative solutions meet real-world challenges. Our Cogent Research division acts as our dedicated AI lab, driving the development of advanced security workflows.Since our emergence from stealth mode, we have rapidly grown, collaborating with Fortune 500 companies to secure complex production environments globally.Supported by Greylock, we have gathered a team of top talent from renowned institutions and leading organizations in the AI and cybersecurity sectors.About the RoleAs an Agent Engineer at Cogent Security, you will be pivotal in designing, building, and deploying critical AI agents tailored for complex client environments. Your role is highly cross-functional, involving direct collaboration with customers to understand their unique needs, adapting our platform accordingly, and iterating on scalable solutions to handle millions of real-world security events.You will manage projects from inception to deployment, including data onboarding and integrating feedback into our core agent platform. Your contributions will shape how AI agents detect threats, triage incidents, and automate security workflows for some of the most sophisticated organizations worldwide.This position is ideal for engineers who excel in dynamic environments, enjoy tackling complex technical challenges, and wish to see the tangible impact of their work.

Aug 19, 2025
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Tools for Humanity logo
Full-time|$221K/yr - $250K/yr|On-site|San Francisco

About the Role: We are seeking a highly skilled Senior Product Security Engineer to join our dynamic team. In this role, you will play a crucial part in safeguarding our innovative products as we build a trusted network for real human verification in the AI era. You will collaborate with cross-functional teams to design, implement, and enhance security protocols, ensuring that our users can verify their identities with complete confidence.Key Responsibilities: As a Senior Product Security Engineer, you will be responsible for conducting security assessments, identifying vulnerabilities, and developing comprehensive security strategies. You will also provide guidance and mentorship to junior team members, fostering a culture of security awareness throughout the organization.

Mar 19, 2025

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