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 foundational security services for OpenAI’s supercomputing environment. The engineer will work on implementing production-grade security services and collaborating with teams to enhance security in high-performance compute clusters.

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

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