Principal Security Engineer - Infrastructure Security

OnLogic is actively searching for an Infrastructure and Security Manager to spearhead our IT infrastructure and security initiatives. In this essential role, you will ensure that our systems are not only secure but also reliable and scalable to meet the demands of our rapidly expanding organization. Your responsibilities will include overseeing the design, implementation, and management of a variety of infrastructure systems, such as servers, storage solutions, networking, and cloud technologies. You will also be pivotal in establishing robust security protocols and compliance measures that safeguard our data and infrastructure.We value the advantages of in-person collaboration and the strength of a cohesive workplace community. Consequently, this position necessitates an onsite presence at our South Burlington, VT office. We encourage candidates who are willing to relocate or can easily commute to apply. This role may involve light travel, up to 5% annually.Key Responsibilities:Lead and mentor the infrastructure and security team to foster technical excellence and career growth.Oversee the implementation and maintenance of security protocols to protect our networks and systems.Design and deploy infrastructure solutions that align with our operational and business objectives.Collaborate closely with partners and stakeholders to ensure clear communication regarding infrastructure capabilities and security needs.Manage security controls to uphold our standards, certifications, and regulatory obligations.Enhance system reliability, scalability, and efficiency through best practices and innovative solutions.Administer vendor relationships and contracts concerning infrastructure and security services.The Team:You will be joining our IT/Software team, which impacts every facet of our business and daily operations at OnLogic. Comprising software developers, infrastructure and security specialists, systems and network engineers, and business technology professionals, our IT team continually strives to enhance our internal systems for efficiency while optimizing our website for our customers. From the technologies that facilitate our work to the infrastructure that supports our product development, the IT team plays a vital role in keeping our operations seamless.Discover more about Life at OnLogic.

As the Manager of Infrastructure Security at GitLab, you will play a pivotal role in safeguarding our infrastructure against evolving security threats. This position offers the opportunity to lead a dedicated team, implement cutting-edge security measures, and ensure the integrity and confidentiality of our systems. You'll collaborate with various stakeholders to create a culture of security awareness and resilience while driving strategic initiatives.

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).

CoreWeave is your essential cloud for AI™. Designed for innovators by innovators, we provide a comprehensive platform of technology, tools, and teams that empower the development and scaling of AI solutions with confidence. As a trusted partner to leading AI labs, startups, and enterprises, CoreWeave merges outstanding infrastructure performance with profound technical expertise to accelerate innovations and transform compute into capability. Since our inception in 2017, CoreWeave has grown into a publicly traded entity (Nasdaq: CRWV) as of March 2025. Discover more at www.coreweave.com.Your Role Responsibilities:We are on the lookout for a Senior Product Manager specializing in Security and Identity to oversee the strategic roadmap and implementation of CoreWeave's workforce security and identity platforms across our IT Infrastructure and Operations. This position will concentrate on critical areas such as identity and access management, secure collaboration, endpoint/VDI, and SaaS governance. You will work closely with IT Engineering, Security, HR, and Compliance teams to ensure secure access as a default, streamline onboarding and offboarding processes, and enhance the overall employee experience.Key Responsibilities:Translate stakeholder requirements from Security, Compliance, IT, and business sectors into actionable product outcomes across platforms including Okta, Opal, VDI, MDM, Google Workspace, Slack, Zoom, and other SaaS applications.Transform existing Staff IT Systems Engineer duties into scalable and measurable product capabilities that align with our IT Infra and Ops charter.Lead the product vision, strategy, and roadmap for IAM and security-focused IT infrastructure, incorporating Okta, access governance, endpoint management, and VDI in line with IT Infra and Ops priorities.Serve as the main product liaison and escalation point for Engineering and Security on identity, access, and secure remote access, facilitating the prioritization and resolution of critical issues.Define and enhance end-to-end workflows for joiners, movers, and leavers, ensuring that user provisioning, de-provisioning, and access modifications are secure, automated, and dependable.Set standards for SSO integrations and application onboarding/offboarding in Okta, collaborating with engineering teams to onboard new applications and phase out outdated ones.

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.

Join Our Team as a Security Infrastructure Supervisor!Duration: 6 monthsLocation: Mechanicsburg, PAWe are seeking a highly skilled Security Infrastructure Supervisor to lead our IT Security initiatives. This role involves supervising and maintaining enterprise security infrastructures to ensure the safety and integrity of our systems.Key Responsibilities:- Supervise and maintain enterprise-level security infrastructures, including firewalls (preferably CheckPoint), Cisco routers and switches, packet shapers, and anti-virus systems.- Lead a team of IT security specialists to implement best practices in security management.Essential Qualifications:- An Associate's Degree or higher in Information Technology or a related field.- A minimum of 5 years of hands-on technical experience in IT security.- Valid certification in one or more of the following areas: - CCNA Security - Check Point Certified Security Administrator (CCSA) - Check Point Certified Security Expert (CCSE)Preferred Qualifications:- Demonstrated experience in leading IT security teams effectively.

1Password is hiring a Director of Infrastructure Security to lead security strategy for its cloud-native platform. This remote position is open to candidates in the United States and Canada. Role overview This senior leader sets the vision for infrastructure security, ensuring strong protection across cloud, identity, and AI-driven systems. The role blends technical expertise, strategic planning, and organizational influence. Success depends on balancing secure growth with minimal friction for product and engineering teams. What you will do Define and implement infrastructure security strategy for cloud environments, identity and access (including privileged access), network, container, and AI systems. Lead and mentor a team of security engineers responsible for building and maintaining secure systems. Work closely with Security Operations and engineering leaders to align security practices across the company. Develop and enforce protocols for AI and automated systems, covering resource access, policy enforcement, and risk management. Support secure scaling of the platform as the business grows, enabling teams without unnecessary barriers. Requirements Experience leading security for cloud-native infrastructure and identity systems. Ability to set technical direction and prioritize security initiatives. Proven skill in mentoring engineers and influencing cross-functional teams. Background in developing security protocols for emerging technologies, including AI and automation. Strong communication skills for driving alignment and investment in security company-wide. This role shapes how 1Password secures its platform as both the company and the cybersecurity landscape continue to evolve.

CLEAR builds secure identity technology for both digital and physical spaces. With more than 38 million members and a growing global partner network, CLEAR’s platform helps people move through airports, stadiums, workplaces, and daily routines with greater safety and ease. Role Overview The Senior Security Engineer on the Infrastructure Security Engineering (ISE) team protects CLEAR’s core platforms. This position focuses on cloud security, identity management, and endpoint controls. The work centers on AWS and Kubernetes environments, using infrastructure-as-code to scale and automate security practices. What You Will Do Strengthen security across AWS and Kubernetes infrastructure Develop and implement security controls using infrastructure-as-code Work closely with Engineering, CorpIT, and Security teams to make security a default part of CLEAR’s systems Location This role is based in New York, New York, United States.

Join Palantir Technologies as a Product Infrastructure Security Engineer in New York. In this role, you will play a critical part in securing our infrastructure, ensuring that our products and services maintain the highest standards of security and reliability. You will work with top-tier engineering teams to identify vulnerabilities, implement robust security measures, and contribute to the overall security architecture of our systems.

As the Director of Security and Infrastructure at arive, you will play a critical role in safeguarding our systems and data while leading our infrastructure strategy. In this fully remote position, you will collaborate with cross-functional teams to develop robust security measures and optimize our IT infrastructure to ensure scalability and performance. Your expertise will guide the implementation of best practices to protect our organization from evolving security threats.

About TraversalTraversal stands at the forefront of AI Site Reliability Engineering (SRE), trusted by leading enterprises globally to troubleshoot, remediate, and preemptively manage complex production incidents. Our mission is to liberate engineers from continuous firefighting, allowing them to channel their talents into innovative, impactful work.With deep roots in AI research, we are committed to establishing the premier AI agent lab for enterprises. Our greatest asset is our team, comprised of exceptionally skilled and kind individuals, including researchers from prestigious institutions such as MIT, Harvard, and Berkeley, alongside world-class engineers from industry leaders like Citadel Securities, Cockroach Labs, Datadog, and more. Together, we tackle one of AI's most challenging problems.The RoleAs an Infrastructure & Application Security Engineer at Traversal, you will be instrumental in constructing our security program from the ground up. This hands-on role is ideal for someone passionate about security, enthusiastic about Kubernetes, and eager to build—transforming risk into automated, measurable, and low-friction guardrails that engineers can leverage daily. You will work at the intersection of Kubernetes security, service-to-service security (including Istio Ambient), and application security for Python APIs within a multi-tenant SaaS environment, collaborating closely across engineering teams with a focus on deploying mechanisms rather than creating presentations.

Role Overview mercor is hiring a Cloud Infrastructure Security Engineer in San Francisco. This role focuses on protecting cloud systems, maintaining data integrity, and applying security protocols to guard against new threats. Collaboration with cross-functional teams is central to designing and maintaining secure cloud environments.

Join our innovative team at Xai as an Infrastructure Security Engineer. In this role, you will be instrumental in safeguarding our infrastructure, ensuring that our systems are secure against evolving threats. You will collaborate with cross-functional teams to implement security measures and best practices.

Are you ready to push the boundaries of your capabilities?At Coinbase, we are committed to enhancing economic freedom around the globe. This ambitious mission requires our utmost dedication as we construct an innovative onchain platform that will redefine the global financial landscape.We are in search of a unique individual who is deeply passionate about our mission and recognizes the transformative potential of cryptocurrency and blockchain technology in modernizing the financial system. We want someone who is eager to leave a lasting impact, thrives under pressure, and seeks continuous feedback for personal and professional growth. This role calls for a problem-solver who embraces challenges head-on.Our work culture is dynamic and may not suit everyone. However, if you aspire to build the future alongside top-tier colleagues who demand excellence, there’s no better environment for you.While many positions at Coinbase are remote-first, we are not entirely remote. In-person engagement is required periodically throughout the year, as we hold team and company-wide offsites multiple times annually to nurture collaboration, connection, and alignment. Your participation is expected and fully supported.As a member of Coinbase's Infrastructure Security (InfraSec) team, you will play a pivotal role in safeguarding the core of our infrastructure and platform services. This position collaborates closely with engineering teams to design, implement, and automate advanced security solutions across intricate cloud and containerized environments. Utilizing your extensive knowledge of technologies like Kubernetes and AWS, you will act as a trusted consultant to cross-functional teams and senior leadership, influencing strategic decisions that harmonize security, scalability, and business functionality.

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 Armada as a Senior Security Engineer specializing in Infrastructure. In this role, you will play a crucial part in safeguarding our systems and ensuring robust security protocols are in place across our infrastructure. Your expertise will guide our security strategies, working collaboratively with cross-functional teams to enhance our security posture and protect sensitive data.

About the Role mercor is hiring a Cloud Infrastructure Security Engineer in San Francisco or New York City. This role focuses on protecting cloud-based systems and data across the company. The engineer will design, implement, and monitor security controls to defend cloud infrastructure against threats. What You Will Do Develop and maintain security measures for cloud environments Monitor cloud infrastructure for vulnerabilities and incidents Respond to security threats and support incident investigations Work to ensure compliance with industry security standards Contribute expertise to strengthen overall security posture Location This position is based in San Francisco or New York City.

Role Overview SonarSource is hiring an Infrastructure Security Engineer in Austin, Texas. This role focuses on protecting the company’s software development tools and infrastructure. The position involves working closely with teams across the organization to strengthen security practices and respond to incidents. What You Will Do Design and implement security controls for infrastructure and internal systems Work with colleagues in different departments to improve overall security Identify vulnerabilities and recommend solutions Respond to and investigate security incidents What We Look For Experience in infrastructure security or a related field Ability to assess risks and propose practical safeguards Strong communication skills for cross-team collaboration Problem-solving mindset and attention to detail

About Us:At HavocAI, we are pioneers in collaborative autonomy, revolutionizing how self-tasking teams of machines tackle complex human challenges. As a leader in autonomous surface vessels, we cater to a diverse array of defense and commercial maritime operations. Our ambition drives us to innovate and grow rapidly, and we seek passionate individuals eager to tackle difficult problems and contribute to conflict prevention and life-saving initiatives.About the RoleWe are on the lookout for a Director of Port and Infrastructure Security who will play a crucial role in expanding our footprint across U.S. ports and terminal operators, engaging with both commercial and governmental sectors. This strategic, client-facing position involves building a robust pipeline, shaping capture strategies, securing revenue, and ensuring successful implementations with a variety of maritime stakeholders.As HavocAI’s expert in port security operations, you will connect with commercial port authorities, terminal operators, and government entities such as the Coast Guard, Navy, DHS, CBP, and other maritime security organizations. This role demands a deep understanding of port operations, government procurement processes, funding mechanisms, and the roles of private entities in port security. You will oversee opportunities from initial engagement through pilot design, large-scale deployment, and ongoing account growth.Collaboration is key; you will work closely with Marketing, Sales, Strategy, Product, Engineering, and Mission Operations to ensure that HavocAI delivers effective and scalable autonomous solutions tailored for port environments.