Cloud Infrastructure Security Engineer

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.

About UsAt Verkada, we are revolutionizing the way organizations safeguard their personnel and properties through an integrated, AI-driven platform. As a frontrunner in cloud-based physical security, we empower over 30,000 organizations worldwide, including more than 100 Fortune 500 companies, to enhance safety and operational efficiency via a single, connected software solution. Our offerings encompass video security, access control, air quality sensors, alarms, intercoms, and visitor management. Established in 2016, Verkada has experienced remarkable growth, now boasting 15 offices and a dedicated workforce of over 2,200 employees.Role OverviewThe Verkada Security Team, primarily composed of software engineers, is dedicated to establishing optimal software security practices. In this pivotal role, you will enhance Verkada’s security throughout the software development lifecycle (SDLC) by utilizing automation, libraries, tools, and frameworks. Your responsibilities will span various technology stacks and involve collaborating with engineering teams across Verkada’s Command platform.

At StubHub, we're passionate about transforming the live event experience globally. Whether it's someone's first concert or their hundredth game, we strive to enhance every moment—from the ticket search to the entrance gate. We aim to provide a safe and convenient platform for everyone, from fans selling a single ticket to promoters of major tours.About the Team:Join the StubHub Cloud & Infrastructure Security Engineering team as we seek a seasoned engineer to fortify our security framework across cloud and infrastructure sectors. The ideal candidate will have a wealth of experience in cloud security architecture, network security, and infrastructure automation, alongside expertise in container and operating system security.

P-1124 Summary At Databricks, we are driven by a passion for empowering data teams to tackle some of the most challenging problems in the world, spanning from security threat detection to advancements in cancer drug development. We achieve this by constructing and managing a top-tier data and AI infrastructure platform, enabling our customers to concentrate on their high-value missions. Our engineering teams are dedicated to creating highly technical products that address significant needs in the world. We continuously push the limits of data and AI technology while maintaining the resilience, security, and scalability essential for our customers’ success on our platform. Customers place their trust in Databricks with their most sensitive data, and our Trust & Safety team is committed to establishing the world’s most reliable data analytics and machine learning platform. Security Engineering plays a pivotal role within Trust & Safety, working diligently to safeguard customer data from malicious threats. We are seeking seasoned leaders like you to craft the vision and define the strategy for this critical area. The impact you will have: Enhance the safety of Databricks for our customers by identifying and addressing critical vulnerabilities in our infrastructure and services. Attract industry-leading talent to our team. Serve as a representative for the security engineering discipline throughout the organization, advocating for a data-driven approach. Represent Databricks at academic and industry conferences and events. What we look for: A minimum of 7 years of experience in Data Security or related fields, with expertise in at least two of the following areas: Cryptography, Kubernetes Security, Web Security, Governance, Privacy, Trust, Safety, Authentication, Identity Management, Access Control, Key Management, Inter-Service Authentication, Secure Application Frameworks, Detection & Response. Proven experience in building systems at large-scale internet companies is highly desirable. ...

At StubHub, we are committed to revolutionizing the global live event experience. Our goal is to ensure that every fan—from first-time attendees to seasoned concert-goers—enjoys a seamless journey from ticket discovery to event entry. We also prioritize our sellers, whether they are individual fans or large-scale promoters, providing a secure and convenient platform for ticket sales to millions of users worldwide.About the Team:Join the StubHub Cloud & Infrastructure Security Engineering team, where we are looking for a seasoned engineer to fortify our security framework in the cloud and infrastructure sectors. The ideal candidate will have a robust background in cloud security architecture, network security, and infrastructure automation, along with knowledge of container and operating system security.

Siftstack seeks a Software Engineer specializing in Security Infrastructure to join the team in Marina Del Rey, CA. The main focus is on strengthening security systems and developing software that protects core infrastructure. Key responsibilities Maintain and improve security protocols throughout company systems Design and build software solutions that address specific security challenges Partner with teams from various disciplines to safeguard the organization against threats Collaboration This position requires regular collaboration with colleagues in engineering, operations, and other departments to keep security measures current and effective.

About Resolve AIAt Resolve AI, we are redefining software maintenance and production troubleshooting with our innovative, fully autonomous AI Production Engineer. This pioneering technology autonomously investigates and resolves intricate system challenges from start to finish.Founded by industry leaders Spiros Xanthos and Mayank Agarwal, who were instrumental in the creation of OpenTelemetry and have successfully led previous ventures to Splunk and VMware.We have secured over $150 million in funding from top-tier investors such as Lightspeed, Greylock, and Unusual Ventures, along with individual contributions from renowned figures like Jeff Dean (Google DeepMind), Thomas Dohmke (GitHub), Matt Garman (AWS), Reid Hoffman (LinkedIn), and Fei-Fei Li (Stanford).Your RoleTake charge of security across the entire Resolve AI platform, including application security, cloud infrastructure, internal services, integrations, and agent execution.Design robust security mechanisms tailored for autonomous systems, ensuring agents perform actions safely, audibly, and within established limits.Collaborate closely with engineers across various teams to proactively shape secure system designs from the outset.Integrate security into our software delivery processes: automate security in CI/CD, implement guardrails in our infrastructure, and establish scalable defaults.Assess and enhance our management of identity, permissions, and access across diverse customers, tools, and environments.Monitor emerging risks associated with AI-driven systems and suggest actionable, engineering-focused mitigations.Assist Resolve AI in aligning with enterprise customer expectations by clearly communicating our security posture and engaging in technical security discussions as required.Establish the foundational principles for security practices at Resolve, ensuring they are pragmatic, high-signal, and in line with real-world system operations.

Join MongoDB as a Security Software Engineer specializing in Infrastructure Security. In this pivotal role, you will work collaboratively within a top-tier team to enhance our security posture, safeguard our infrastructure, and ensure the safety of our systems against evolving threats. Your expertise will be instrumental in designing, developing, and implementing secure software solutions that protect sensitive information while enabling our innovative technology to flourish.

At StubHub, we are committed to transforming the global live event experience. Our goal is to provide an unparalleled ticketing journey for every fan, whether they are attending their first concert or their hundredth game. We strive to ensure that both fans and sellers find StubHub to be the most secure and user-friendly platform for ticket transactions.About the Team:The StubHub Cloud & Infrastructure Security Engineering team is looking for a Senior Security Software Engineer to bolster our security measures across cloud and infrastructure domains. The ideal candidate will have significant expertise in cloud security architecture, network security, and infrastructure automation, along with a solid understanding of container and operating system security.

At Databricks, we are dedicated to empowering data teams to address some of the most challenging issues in the world, from detecting security threats to developing cancer treatments. We achieve this by constructing and maintaining the world's leading data and AI infrastructure platform, allowing our clients to concentrate on the critical challenges that define their missions.Our engineering teams create sophisticated products that meet significant global needs. We are continually pushing the limits of data and AI technology while ensuring resilience, security, and scalability that are essential for our customers' success on our platform.Customers entrust Databricks with their most sensitive data, and our Trust & Safety team is committed to developing the most reliable data analytics and machine learning platform globally. Security Engineering plays a pivotal role in Trust & Safety, safeguarding customer data from malicious threats. We are seeking visionary senior leaders like you to define the strategy for this essential domain.

At Vanta, we are dedicated to empowering businesses to build and demonstrate trust effortlessly. Our belief is that security should be an ongoing, verifiable process, and we equip organizations with the tools to enhance their security practices seamlessly. Our team is not only skilled but also supportive, drawing talent from diverse backgrounds, many without prior security experience.The Infrastructure & Security team at Vanta is the backbone of our platform, ensuring our core systems are scalable, high-performing, and resilient. As we witness rapid growth in our customer base, we require infrastructure that adapts without sacrificing speed or developer efficiency. In this role, you will engage with distributed systems, foundational infrastructure components, and security improvements that empower our engineers to deploy reliable software at scale.Our work significantly influences all aspects of product engineering, simplifying processes for engineers to identify bugs, develop features, and deliver value to customers swiftly and securely.At Vanta, our engineers innovate by creating new functionalities and infrastructure, utilizing modern technologies such as TypeScript, React, Node.js, MongoDB, GitHub Actions, and various AWS services like Fargate and ECS.We pride ourselves on our inclusive and talented team. While some members bring prior security expertise, many thrive here without it. If you are passionate about the intersection of infrastructure and security, we would love to connect with you.Explore our Vanta Engineering Blog to discover more about our projects!Your responsibilities will include:Designing and constructing scalable infrastructure to accommodate rapid increases in data volume, service usage, and engineering speed.Leading initiatives across our cloud infrastructure, encompassing container orchestration (e.g., AWS Fargate, ECS), monitoring and alerting systems, networking, and database management.Implementing and upholding core security frameworks and controls, including service-to-service authentication, secrets management, application security features (e.g., rate-limiting, encryption libraries), and infrastructure fortification.Identifying and resolving intricate scalability and performance issues, particularly...

P-1124 Summary At Databricks, we are dedicated to empowering data teams to tackle some of the world's most challenging problems, ranging from security threat detection to cancer drug development. Our mission is realized through the development and operation of the premier data and AI infrastructure platform, allowing our clients to concentrate on the vital challenges central to their objectives. Our engineering teams craft technically sophisticated products that meet significant needs in the world. We consistently advance the frontiers of data and AI technology while maintaining the resilience, security, and scale essential for our customers' success on our platform. Customers place their trust in Databricks with their most critical data, and the Trust & Safety team is committed to establishing the most reliable data analytics and ML platform globally. Security Engineering plays a pivotal role in this mission, safeguarding customer data from malicious threats. We are seeking seasoned leaders like you to shape the vision and define the strategy in this vital area.

P-1124 Summary At Databricks, we are passionate about empowering data teams to tackle the world's most challenging issues, from detecting security threats to advancing cancer drug development. We achieve this by developing and maintaining the leading data and AI infrastructure platform, allowing our clients to concentrate on the critical challenges that define their missions. Our engineering teams are dedicated to creating highly sophisticated products that address genuine, vital needs in society. We continually explore the frontiers of data and AI technology while ensuring the resilience, security, and scalability essential for our customers' success on our platform. Clients trust Databricks with their most valuable data, and the Trust & Safety team is committed to establishing the most reliable data analytics and machine learning platform globally. Security Engineering plays a pivotal role within Trust & Safety, crucially safeguarding customer data from malicious threats. We seek senior leaders to craft the vision and define the strategy for this crucial domain. The impact you will have: Enhance the safety of Databricks for our customers by identifying and addressing critical gaps in our infrastructure and services. Attract top-tier talent from across the industry. Serve as a key advocate for the security engineering discipline throughout the organization, promoting a data-driven approach. Represent Databricks at academic and industry conferences and events.

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.

Why Join Doppel?At Doppel, we are dedicated to tackling one of the most significant threats posed by AI: mass-manufactured social engineering. With scams, deepfakes, and social engineering attacks proliferating across digital platforms such as websites, social media, advertisements, encrypted messaging apps, and mobile devices, our mission is both simple and ambitious: to enhance internet safety by outsmarting the fastest-evolving digital threats.Supported by renowned investors like a16z and Bessemer, and trusted by industry leaders such as OpenAI, United Airlines, and Coinbase, Doppel is on a rapid growth trajectory. If you are passionate about addressing real-world challenges through innovative technology, we want to hear from you!What We're BuildingWe are developing an AI-driven platform to combat social engineering on a large scale. This involves creating scalable systems that monitor billions of domains, social media accounts, applications, and dark web forums, utilizing AI agents to detect and neutralize digital threats effectively.What We're Looking ForWe are in search of a skilled backend engineer to enhance the infrastructure needed for our rapidly expanding engineering team. Recent projects include:Developed a self-hosted Elasticsearch infrastructure on Kubernetes, facilitating real-time search capabilities across millions of alerts and associated metadata.Established core infrastructure using Terraform (Infrastructure as Code), enabling reproducible, version-controlled environments and expediting onboarding for new engineers.Implemented a dedicated staging environment, which enhances safety during releases, feature validation, and automated integration testing prior to production deployments.Introduced observability and tracing mechanisms (metrics, logging, distributed tracing), significantly improving our capacity to debug performance issues and sustain reliability at scale.What We Offer A mission-driven culture emphasizing low ego, high accountability, deep customer focus, and exceptional talent density. Complimentary lunch and dinner in the office. Flexible Paid Time Off (PTO). Quarterly team offsites.

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 Innovative TeamAt OpenAI, security is the cornerstone of our commitment to ensuring artificial general intelligence serves all of humanity. The Identity Infrastructure Engineering team is pivotal in this mission, crafting robust identity and access management solutions that safeguard our model weights, customer data, and essential systems across diverse cloud environments. Collaborating closely with teams across Applied Engineering, Research, IT, and Security, we deliver a secure and scalable platform that empowers permissioning, orchestration, and groundbreaking AI research.Your RoleAs a Software Engineer on our Identity Infrastructure Engineering team, you will play a crucial role in designing, deploying, and managing foundational security tools and infrastructure. This position involves leveraging a wide array of technologies to support multi-cloud deployments, ensuring our researchers and engineers can securely build, test, and scale transformative AI systems. We seek individuals who are technically adept, collaborative, and passionate about integrating secure-by-default principles throughout our technology stack.We invite Software Engineers eager to address challenges in:Identity & Access Management: Develop and sustain systems and interfaces that efficiently manage user and service identities, guaranteeing consistent, fine-grained access controls across various cloud providers and internal services.Multi-Cloud Security: Architect and implement tools that protect model weights, proprietary data, and sensitive assets, seamlessly operating within AWS, Azure, GCP, and future cloud environments.Automation & Tooling: Create robust frameworks, APIs, and CLI tools that automate ongoing security tasks (such as credential provisioning and rotation), allowing teams to focus on AI innovation without compromising security.In this position, you will:Develop new features for our IAM platform that integrate seamlessly with evolving cloud services, enabling teams to operate efficiently while adhering to security best practices.Lead security innovations by designing tools, processes, and frameworks that enhance our infrastructure.This role is primarily based in San Francisco, Seattle, or New York City, with remote work options considered. We embrace a hybrid work model, requiring three days in the office weekly, and provide relocation assistance for new hires.

P-1137 Summary At Databricks, we are dedicated to empowering data teams to tackle the world's most challenging issues, from detecting security threats to advancing cancer treatments. We achieve this by developing and operating the premier data and AI infrastructure platform, enabling our clients to concentrate on the high-impact challenges central to their missions. Founded in 2013 by the original creators of Apache Spark, Databricks has evolved from a modest office in Berkeley, CA, to a global leader with over 1,500 employees. Thousands of organizations, ranging from startups to Fortune 100 companies, rely on Databricks for their mission-critical workloads, establishing us as one of the fastest-growing SaaS firms globally. Our engineering teams are focused on creating highly technical products that address significant real-world needs. We continuously push the limits of data and AI technology while maintaining the resilience, security, and scalability essential for our customers' success on our platform. Customers entrust Databricks with their most valuable data, and our Trust & Safety division is committed to creating the most reliable data analytics and machine learning platform worldwide. Security Engineering plays a vital role in safeguarding customer data from malicious threats. We seek senior leaders to shape the vision and define the strategic approach within this critical domain. The impact you will have: Enhance the safety of Databricks for our customers by identifying and addressing critical vulnerabilities in our infrastructure and services. Attract top-tier talent from across the industry. Advocate for the security engineering discipline across the organization, wielding a significant voice to drive data-driven decisions. Represent Databricks at academic and industry conferences and events.