[Remote] Software Engineer, Infrastructure Security

Note: The job is a remote job and is open to candidates in USA. OpenAI is an AI research and deployment company dedicated to ensuring that general-purpose artificial intelligence benefits all of humanity. They are seeking a Security Software Engineer to join the Infrastructure Security team, where the role involves designing and building critical security services to safeguard OpenAI's research and production environments. Responsibilities • Architect and implement production-grade security services (e.g., auth services, access brokers, secure proxies, key-management infrastructure) that provide strong guarantees across hardware, operating systems, Kubernetes, networks, and CI/CD • Partner with infrastructure and research engineers to embed security into high-performance compute clusters, enabling rapid model training and deployment without compromising protection • Develop automation and detection tooling to continuously identify and mitigate risks in large-scale cloud and on-prem environments • Drive high-impact initiatives such as line-speed encryption, machine identity, and network isolation, continuously raising the security bar for emerging AI workloads • Lead or participate in design reviews and threat models to ensure new systems launch with strong security foundations and operational excellence Skills • Strong software engineering skills in languages such as Python, Go, Rust, or C/C++, with a track record of shipping and operating high-reliability distributed services • Experience building or operating critical security infrastructure (e.g., auth services, service-to-service proxies, certificate or key-management systems) • Deep understanding of security principles, best practices, and common vulnerabilities • Expertise in securing large-scale cloud platforms (e.g., Azure, AWS, GCP), including multi-cloud networks and cloud-agnostic system design • Familiarity with container and orchestration security (Kubernetes, service meshes) and modern authentication/authorization standards (OIDC, mTLS, SPIFFE/SPIRE) • A proactive mindset, with the ability to identify and address security gaps or inefficiencies through automation and tooling • A track record of delivering scalable solutions and driving impactful changes across infrastructure in real-world projects • Strong analytical and problem-solving skills, with an ability to think critically and objectively assess security risks • Excellent communication skills, with the ability to convey complex security concepts to technical and non-technical stakeholders • Excitement about collaborating with cross-functional teams to build secure, reliable systems that scale globally Company Overview • OpenAI is an AI research and deployment company that develops advanced AI models, including ChatGPT. It is a sub-organization of OpenAI Foundation. It was founded in 2015, and is headquartered in San Francisco, California, USA, with a workforce of 201-500 employees. Its website is Company H1B Sponsorship • OpenAI has a track record of offering H1B sponsorships, with 1 in 2025, 1 in 2024, 1 in 2023, 18 in 2022, 10 in 2021, 6 in 2020. Please note that this does not guarantee sponsorship for this specific role.