Staff Security Engineer, Infrastructure Security

About Tailscale Tailscale is revolutionizing the way we connect on the Internet by providing software solutions that allow secure interconnections among individuals and their devices, irrespective of their location. From individual hobbyists to large multinational corporations, teams of all sizes rely on Tailscale daily to safeguard their networks and facilitate access to internal tools. We envision a future for the Internet that is secure, easy to use, and sensible, reminiscent of its earlier days. Established in 2019 and operating with a fully distributed team, we are supported by esteemed investors including Accel, CRV, Insight, Heavybit, and Uncork Capital.Job DescriptionWe are in search of a skilled Security Infrastructure Engineer to enhance our product security team. The ideal candidate will possess the ability to advance Tailscale's mission while ensuring a safer usage experience. Key skills include adaptability, collaboration with highly technical teams, and comfort with asynchronous work environments.Key ResponsibilitiesArchitect and implement security controls across various layers including cloud platforms, operating systems, Kubernetes, networks, and CI/CD pipelines to protect against advanced threats and insider risks.Enhance Tailscale’s security framework by identifying and executing opportunities for security and privacy improvements, bug fixes, and layered defense strategies throughout our codebase.Conduct audits of Tailscale’s infrastructure to uncover technical security vulnerabilities and develop mitigation strategies to address them.Provide support for engineering decisions through threat modeling and security expertise.Allocate 25-50% of your time to software development tasks in this role, alongside operational and governance security duties.

About Tailscale Tailscale builds software that connects people and devices securely, no matter where they are. Teams of all sizes, from hobbyists to enterprises, use Tailscale to protect their networks and simplify access to internal tools. Founded in 2019, Tailscale operates fully remotely and is backed by investors including Accel, CRV, Insight, Heavybit, and Uncork Capital. Role Overview: Infrastructure Engineer (Remote, United States) Tailscale is hiring a full-time Infrastructure Engineer to join its remote team. This role supports internal business units with shared engineering services, tools, and processes that help teams work more efficiently. The position involves building relationships across the company to understand project needs and deliver solutions from start to finish. What You Will Do Provide shared engineering services and develop tools for internal teams. Work with stakeholders across the organization to understand and deliver on their project requirements. Partner with customer-facing teams to streamline operations and simplify daily tasks. Collaborate with product engineering to collect data that informs business decisions. Project work may include: Improving observability with metrics, alerting, logging, and telemetry. Enhancing continuous deployment processes. Applying infrastructure as code to manage changes in cloud environments. Working with other engineering teams on cross-functional infrastructure projects. Automating upgrades for managed services and virtual machines. Key Responsibilities Work with engineers to design, build, test, and document core software components. Take responsibility for the services that make up Tailscale’s product, focusing on observability, incident response, and customer support escalations. Assess and improve the efficiency, scalability, and stability of system resources. What Helps You Succeed Here Motivation to move the product forward in a fully remote, early-stage environment. Ability to think critically and collaborate with technical teams. Comfort working asynchronously with colleagues across time zones.

About Tailscale Tailscale is reinventing the Internet by providing software that enables secure connections between people and their devices, regardless of location. From individual hobbyists to large multinational companies, our platform is utilized daily to safeguard networks, share access to internal resources, and more. We envision a future for the Internet that is user-friendly, logical, and secure, reminiscent of its early days. Founded in 2019, we are a fully distributed team supported by reputable investors such as Accel, CRV, Insight, Heavybit, and Uncork Capital.Job DescriptionWe are on the lookout for a skilled software engineer with a focus on security and privacy to enhance our product security team. The ideal candidate will help propel Tailscale forward while ensuring it remains safe for all users. Essential qualities include the ability to think independently, collaborate with highly technical teams, and work effectively in an asynchronous environment.Key ResponsibilitiesEnhance the security aspects of Tailscale by identifying areas for security and privacy improvements, implementing bug fixes, and applying defense-in-depth strategies across our codebase.Conduct audits of Tailscale features to discover technical security vulnerabilities, propose mitigations or solutions, and facilitate their resolution.Support technical decisions through threat modeling and security analysis.Commit at least 50% of your time to software development rather than purely operational or governance security tasks.

About TailscaleTailscale is revolutionizing the Internet by providing software that simplifies secure interconnectivity for individuals and their devices, regardless of location. From individual users to large corporations, teams of all sizes leverage Tailscale daily to safeguard their networks, streamline access to internal tools, and much more. We are committed to creating a user-friendly, sensible, and safe Internet, reminiscent of its earlier days. Established in 2019, we operate as a fully distributed team and are supported by renowned investors including Accel, CRV, Insight, Heavybit, and Uncork Capital.Job DescriptionAs an Implementation Engineer (IE) at Tailscale, you will play a pivotal role in shaping the initial experience for our customers with our product. Reporting directly to the CSE Team Lead, you will function at the crossroads of Pre-sales, Support, and Product, with the goal of ensuring our customers achieve value from our solutions. You will oversee a significant number of accounts across both commercial and enterprise sectors, guiding them through the essential first 30 days of their engagement with Tailscale. This is a high-impact, technical role tailored for individuals with intellectual curiosity, empathy, robust networking fundamentals, and a dedication to assisting customers in resolving sophisticated connectivity and security challenges using Tailscale. Your mission is to embed Tailscale as a fundamental element of our customers' infrastructure from day one.

About TailscaleTailscale is revolutionizing the Internet by providing software that simplifies secure connections between people and their devices, regardless of location. From solo developers to large enterprises, teams of all sizes rely on Tailscale daily to safeguard their networks and share access to essential internal tools. Founded in 2019, we are a fully distributed team backed by top-tier investors including Accel, CRV, Insight, Heavybit, and Uncork Capital. Join us in crafting a future where the Internet is easy to navigate, secure, and user-friendly.Job DescriptionWe are looking for a dedicated and talented Software Engineer to join our dynamic team. In this role, you will collaborate closely with our engineering team to:Enhance the Tailscale product by contributing to both our open-source client code and backend services, with a focus on networking features and optimizations.Take charge of the entire product lifecycle, from initial coding to product ideation and strategic decisions.Collaborate with UX/UI designers and product managers to develop features that elevate our networking capabilities.As a fully remote and early-stage company, we seek a highly motivated individual who can propel our product forward. The ability to think critically, collaborate with technically skilled teams, and work asynchronously is essential.Key ResponsibilitiesCollaborate with a team of engineers to design, build, test, and document core networking software components.Develop and optimize product features, particularly in our control plane, relay infrastructure, and networking protocols.Troubleshoot and resolve complex networking issues in various environments.Own the operational aspects of Tailscale’s services by ensuring observability, participating in incident response, and managing customer support escalations.Analyze and enhance the efficiency, scalability, and stability of our networking systems and resources.Adopt a security-first mindset in both design and implementation to ensure robust networking components.

About Tailscale Tailscale is revolutionizing the way we connect on the Internet by providing software that allows for secure interconnectivity between individuals and their devices, irrespective of their location. From enthusiastic hobbyists to large multinational enterprises, teams of all sizes leverage Tailscale daily to secure their networks, share access to critical internal tools, and much more. We are committed to creating a future for the Internet that is intuitive, sensible, and secure, reminiscent of its earlier days. Established in 2019 and operating fully remotely, we are supported by prominent investors such as Accel, CRV, Insight, Heavybit, and Uncork Capital.Job DescriptionWe are on the lookout for a proactive Analytics Engineer who flourishes in dynamic and complex environments, adept at converting ambiguity into clarity. You will join a dedicated data team facing numerous impactful challenges across billing, finance, product, go-to-market strategies, and business operations.You are a curious individual who asks insightful questions, delves deep to grasp underlying mechanics, and enjoys transforming loosely defined user issues into scalable, dependable data solutions. You are not hesitant to question existing assumptions, reevaluate processes, or engage with intricate systems. Your contributions will enable teams to work more effectively through streamlined models, automated workflows, and reliable, accessible data.This role is perfectly suited for someone with robust experience in delivering production-quality analytics engineering solutions who is eager to take on increased responsibility and expand their influence as the team grows.

About TailscaleTailscale is revolutionizing the Internet by providing software solutions that facilitate secure connections between individuals and their devices, regardless of location. From individual hobbyists to large enterprises, teams of all sizes rely on Tailscale daily to safeguard their networks, manage access to internal tools, and more. We are committed to creating a future for the Internet that is user-friendly, logical, and secure, reminiscent of its earlier days. Established in 2019 and operating as a fully distributed team, we are supported by esteemed investors including Accel, CRV, Insight, Heavybit, and Uncork Capital.Job DescriptionWe are in search of a dedicated and talented full-time Backend Engineer to join our expanding Control Plane Team. In this role, you will collaborate with our engineering team to:Develop the Tailscale product by contributing to both open-source client code and associated backend services.Take full ownership of the product lifecycle, spanning from code development to product ideation and strategic decision-making.Collaborate closely with UX/UI designers and product managers to refine features.As a fully remote, early-stage company, we seek a highly motivated individual who can drive product development at the critical intersection of technology and organizational needs, particularly within the control plane and its supporting services. The ideal candidate will possess the ability to think quickly, work collaboratively with highly technical teams, and thrive in an asynchronous work environment.

About Tailscale Tailscale is revolutionizing the Internet by providing software that seamlessly and securely connects individuals and their devices, regardless of their location. From individual hobbyists to large multinational corporations, teams of all sizes rely on Tailscale daily to safeguard their networks, share access to internal tools, and much more. Our mission is to create a future for the Internet that is user-friendly, sensible, and secure, reminiscent of its early days. Founded in 2019 and operating with a fully distributed model, we are supported by esteemed investors such as Accel, CRV, Insight, Heavybit, and Uncork Capital.Job DescriptionWe are on the lookout for a dynamic and enthusiastic full-time Product Growth Engineer to join our expanding team. In this role, you will collaborate with the Product Growth engineering team to:Enhance the Tailscale product by contributing to both client-side code and backend servicesOversee the entire product lifecycle, from coding to ideation and strategic decision-makingPartner closely with UX/UI designers and product managers to refine product featuresDesign and evaluate experiments to gauge customer engagement and identify growth trendsDrive improvements in our growth metrics through both lightweight experimentation and larger product initiativesCollaborate with data teams to guarantee appropriate metrics and visibility for experimentsAdvocate for product-led growth best practices across the Engineering, Product, and Design teamsAs a fully remote and early-stage company, we seek a proactive individual who can propel the product forward. The ability to think creatively, collaborate with highly technical teams, and work asynchronously is crucial.Key ResponsibilitiesCross-functional collaboration with designers, product managers, and engineersContributing innovative ideas for product features during ideation sessionsDeveloping client and backend code collaboratively to enhance Tailscale product featuresEngaging in the code review process to ensure high-quality outputContinuously improving product quality and maintainabilityInfluencing the product roadmap with technical insights and growth strategiesCreating technical prototypes for potential new featuresUtilizing user feedback to inform the development process

About TailscaleTailscale is revolutionizing the way we connect to the Internet by offering innovative software solutions that facilitate secure connections among users and their devices, regardless of their location. Our platform is trusted by a diverse range of users, from individual hobbyists to large multinational corporations, enabling them to safeguard their networks, manage access to internal tools, and much more. Since our inception in 2019, we have been fully distributed and supported by leading investors including Accel, CRV, Insight, Heavybit, and Uncork Capital.Job OverviewAs a Customer Success Engineer (CSE) at Tailscale, you will play a crucial role in connecting our advanced technical capabilities with the unique needs of our key customers. Your responsibilities will involve directly engaging with clients to ensure their success in utilizing Tailscale's offerings, guiding them through onboarding, fostering long-term usage, and providing expert technical support throughout their engagement. This position requires a blend of technical expertise, problem-solving abilities, and a strong customer-centric mindset to empower clients to fully capitalize on Tailscale's features. You will report directly to the VP of Customer Experience.

Tailscale is seeking a talented and motivated Technical Writer to join our dynamic team. As a Technical Writer, you will be responsible for creating and maintaining clear, concise, and informative documentation that enhances the user experience of our software solutions. You will collaborate closely with engineers, product managers, and other stakeholders to gather information and translate complex technical concepts into easily understandable content.

About TailscaleTailscale is revolutionizing the Internet by providing innovative software that facilitates secure interconnection for individuals and devices, regardless of location. Our platform is utilized daily by a diverse range of users from passionate hobbyists to large multinational corporations, all seeking to protect their networks and streamline access to internal tools. Since our establishment in 2019, we have operated as a fully distributed team, backed by esteemed investors including Accel, CRV, Insight, Heavybit, and Uncork Capital. Join us in crafting a future for the Internet that is secure, sensible, and user-friendly.Job DescriptionWe are in search of a skilled and technical Content Marketing Specialist to join our dynamic marketing team at Tailscale. In this role, you will collaborate closely with sales, product marketing, and other teams to transform our product positioning and messaging into compelling content. Ideal candidates will have a solid understanding of networking infrastructure, developer tools, or enterprise security, and possess the ability to present technical features as easily digestible benefits. As a fully remote and early-stage company, we value candidates who are comfortable working asynchronously and can thrive amidst ambiguity.

Join Tailscale as a Customer Account Executive and play a pivotal role in transforming how organizations connect securely. In this position, you will leverage your expertise to engage with clients, understand their needs, and promote our cutting-edge solutions. Your passion for technology and customer service will be essential as you build lasting relationships and help drive customer success.

Join Our Dynamic Security TeamAt OpenAI, security is integral to our mission of ensuring that artificial general intelligence serves the greater good of humanity. Our dedicated Security team safeguards our technology, personnel, and products. We pride ourselves on our technical expertise in building robust security measures while operating with a commitment to supporting all research and product initiatives at OpenAI.Our core tenets emphasize impactful prioritization, empowering researchers, preparing for transformative technologies, and fostering a vibrant security culture.Your Role as a Security EngineerWe are on the lookout for a skilled Security Engineer to bolster our Infrastructure Security (InfraSec) team. The InfraSec team is tasked with safeguarding the backbone of OpenAI’s research and production platforms, which include GPU supercomputing clusters, multi-cloud environments, data centers, networking, storage solutions, and the critical services that fuel our advanced AI models. This role encompasses a wide array of responsibilities, from hardware and firmware security to Kubernetes clusters and data access controls for sensitive model weights and user data.Key Responsibilities:Design and implement security controls across multiple layers—ranging from physical hardware and firmware to networks and CI/CD pipelines—to safeguard against sophisticated threats and insider risks.Collaborate with cross-functional engineering and security teams to deploy security enhancements and control modifications across extensive infrastructure.Lead high-impact initiatives such as checkpoint encryption, network isolation, secret management, and machine identity, while continuously elevating security standards for emerging AI workloads.Adopt a generalist mindset in building security measures, blending deep security knowledge with a broad range of technical skills to meet evolving challenges.Ideal Candidate Profile:Thorough understanding of security principles, best practices, and prevalent vulnerabilities.Proactive in identifying and mitigating security gaps or inefficiencies through automation and innovative tooling.Proven success in delivering scalable security solutions and driving impactful changes across real-world infrastructure projects.In-depth knowledge of cloud platform security (e.g., Amazon AWS, Microsoft Azure, Google Cloud).

About Our TeamAt OpenAI, security is integral to our mission of ensuring that artificial general intelligence benefits all of humanity. Our Security team is dedicated to safeguarding OpenAI’s technology, personnel, and products. We take a technical approach to our builds while executing operationally, supporting every product and research initiative at OpenAI. Our core principles include focusing on impactful outcomes, empowering our researchers and developers, preparing for transformative technologies, and cultivating a strong, collaborative security culture.About the RoleWe are looking for a Principal Security Engineer to join our Infrastructure Security (InfraSec) team. InfraSec is responsible for protecting the backbone of OpenAI’s research and production environments, including GPU supercomputing clusters, multi-cloud infrastructure, data centers, networking, storage, and critical services that support our cutting-edge AI models. This role encompasses everything from bare-metal hardware and firmware to Kubernetes clusters, service meshes, and the secure data pathways that handle sensitive model weights and user information.As a Principal Security Engineer, you will define the technical vision and lead the implementation of essential foundational services, such as authentication systems, egress/ingress proxies, access brokers, and key management solutions, maintaining high standards of reliability, scalability, and software craftsmanship. These systems are crucial for ensuring security in OpenAI’s customer and supercomputing environments, especially under high-demand and adversarial conditions.Your Responsibilities:Lead the design and strategic roadmap for core security services (e.g., authentication/authorization, policy enforcement, secure proxies, key management), overseeing their journey from conception through deployment and ongoing operation.Design and develop large-scale security systems that ensure robust protections across hardware, operating systems, Kubernetes, networks, and CI/CD, while balancing security, reliability, latency, and developer usability.Collaborate with cross-functional teams in infrastructure and research engineering to orchestrate secure deployments, shaping interfaces, migration strategies, and rollout plans for extensive fleets and critical workflows.Develop and enhance security primitives (identity, attestation, authorization, encryption key lifecycle, access mediation) that serve as foundational blocks for OpenAI’s platform.Utilize cutting-edge models and agents to create automation and detection tools aimed at continuously identifying and mitigating potential threats.

At Rula, we prioritize mental health with the same importance as physical health. Our commitment involves understanding the intricate and diverse nature of mental health challenges, ensuring we address the whole person rather than just the symptoms.Our mission is to foster a world where mental health is celebrated and integrated into overall well-being, devoid of stigma or marginalization. By delivering compassionate, evidence-based care, we aim to empower individuals to take control of their mental health and reach their fullest potential. Our passion drives us to positively impact the lives of those facing mental health challenges, striving to be a catalyst for meaningful change in the mental healthcare landscape.As a remote-first organization, Rula is hiring across most U.S. states, excluding Hawaii.About the RoleThe Security Team at Rula plays a critical role in safeguarding patient information and the technology supporting our platform. Collaborating closely with Engineering and Product teams, we engage with all departments to integrate security as a core aspect of our culture. In this position, you will enhance the security of our cloud infrastructure, encounter continuous learning opportunities, and manage projects that will both challenge and refine your skill set. Most importantly, your efforts will contribute to the best outcomes for our patients, as we work towards making mental healthcare accessible and effective for everyone.Core Principles of the Security TeamCommitment to high ethical standardsFocus on pragmatic assessments rather than assumptionsAccountability to team and company standardsPrioritization of high-impact, low-effort security risksAssumption of best intentions among our partnersEmpowerment of other teams through actionable data for informed security decisionsValuation of collaboration and practical experience over titles

About Tailscale Tailscale is revolutionizing the internet with innovative software that simplifies secure connectivity for individuals and their devices, regardless of location. From individual hobbyists to large multinational corporations, teams of all sizes rely on Tailscale daily to safeguard their networks and facilitate access to internal tools. Our mission is to create a future for the internet that is user-friendly, logical, and secure, reminiscent of its early days. Established in 2019 and operating as a fully distributed team, we are proudly supported by Accel, CRV, Insight, Heavybit, and Uncork Capital.Job DescriptionWe are in search of a talented and dedicated full-time Software Engineer to join our expanding team. In this role, you will collaborate with the engineering team to:Provide support and enable internal business units through shared engineering services and functionalities, developing the tools and processes necessary for their success.Foster relationships with a variety of stakeholders across the organization to understand and fulfill their needs through projects you will oversee from inception to completion.Engage with internal customer-facing teams to enhance their efficiency and take satisfaction in making their daily operations smoother. Collaborate with product engineering to extract data that informs business decisions.Possible deliverables for this position include:Implementing new developer tools to boost engineering productivity.Enhancing existing tools, such as CI/CD processes.Utilizing production data to identify potential issues.Developing tools for development and staging environments.As a fully remote and early-stage company, we are looking for a highly motivated individual who can drive product advancement. The ability to think critically, work effectively with highly technical teams, and thrive in an asynchronous work environment is essential.Key ResponsibilitiesCollaborate within a team of engineers to design, build, test, and document key software components.Take ownership of the operational services that form Tailscale’s product by building for observability, participating in incident response, and managing customer support escalations.Evaluate and enhance the efficiency, scalability, and stability of various system resources.

About Our TeamAt OpenAI, security is integral to our commitment to ensuring that artificial general intelligence serves the greater good for all of humanity.The Security team plays a vital role in safeguarding OpenAI’s technology, personnel, and products. We emphasize a technical approach to our projects while maintaining operational excellence in our execution. Our guiding principles focus on driving impactful results, empowering researchers, preparing for future innovations, and fostering a strong security culture.About the PositionWe are looking for a Principal Security Engineer to strengthen our Infrastructure Security (InfraSec) team. The InfraSec team is responsible for fortifying the core of OpenAI’s research and production ecosystems, which include GPU supercomputing clusters, multi-cloud solutions, data centers, networking, storage systems, and the essential services that support our advanced AI models. This role encompasses securing everything from bare-metal hardware and firmware to Kubernetes clusters, service meshes, and access pathways for sensitive model weights and user data.As a Principal Engineer, you will establish technical direction and lead high-impact infrastructure security initiatives, collaborating with diverse teams across OpenAI to implement sustainable controls that enhance our security posture on a large scale.Key Responsibilities:Take ownership of end-to-end security outcomes for critical infrastructure sectors, including developing multi-quarter strategies, roadmaps, and execution plans.Develop and implement security controls across various layers (e.g., physical hardware, firmware/BMC, OS, Kubernetes, networks, CI/CD) to protect against advanced threats and insider risks.Lead collaborative programs to roll out security enhancements and adjustments across extensive infrastructure, ensuring a balance between security, reliability, and operational speed.Adopt a generalist perspective in developing security measures, blending specialized security knowledge with a broad technical skill set to address evolving challenges.Oversee threat modeling and design evaluations for significant infrastructure modifications, ensuring robust security foundations and operational excellence.Mentor and elevate engineers within InfraSec and partner teams, contributing to a vibrant security culture through guidance and support.

Join Our TeamAt OpenAI, we believe in the transformative potential of artificial general intelligence for the benefit of humanity. Our dedicated Security team is pivotal in safeguarding this mission by protecting our technology, people, and products. We take a technical approach in our creations while executing operationally, supporting every product and research initiative at OpenAI. Our core principles include prioritizing impactful solutions, empowering researchers and developers, preparing for groundbreaking technologies, and cultivating a collaborative security culture.Your RoleWe are on the lookout for a passionate Security Software Engineer to become a vital member of our Infrastructure Security (InfraSec) team.InfraSec is responsible for the protection of OpenAI’s critical research and production environments, including GPU supercomputing clusters, multi-cloud infrastructure, data centers, networking, storage, and essential services that drive our cutting-edge AI models. Our responsibilities encompass everything from bare-metal hardware and firmware to Kubernetes clusters, service meshes, and the secure data pathways that manage sensitive model weights and user information.In this role, you will design and create essential foundational services, such as authentication systems, egress and ingress proxies, access brokers, and key management platforms. These systems are expected to meet high standards for reliability, scalability, and software craftsmanship, forming the security backbone of OpenAI’s supercomputing setup while remaining resilient against intense scale and potential adversarial threats.Key ResponsibilitiesArchitect and implement production-grade security services (e.g., authentication services, access brokers, secure proxies, key management infrastructure) ensuring robust security across hardware, operating systems, Kubernetes, networks, and CI/CD pipelines.Collaborate with infrastructure and research engineers to integrate security into high-performance compute clusters, enabling swift model training and deployment without compromising safety.Develop automation and detection tools to proactively identify and mitigate risks in expansive cloud and on-premise environments.Lead high-impact initiatives like line-speed encryption, machine identity management, and network isolation to continuously elevate security standards for advanced AI workloads.Participate in design reviews and threat modeling to ensure new systems are launched with strong security foundations.

Join our innovative team at Tailscale as a Software Engineer specializing in Product Strategy! In this fully remote position, you will play a crucial role in shaping the future of our products. Your expertise in software engineering will help us enhance our solutions, ensuring they meet the needs of our diverse user base.