Software Engineer, Infrastructure Security Job at OpenAI (San Francisco)

Software Engineer, Infrastructure Security

OpenAI

Location:
United States , San Francisco ▼
Seattle
New York City

Category:
IT - Software Development

Contract Type:
Not provided

Salary:

184000.00 - 385000.00 USD / Year

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Job Description:

OpenAI is seeking a Security Software Engineer to join the Infrastructure Security (InfraSec) team. InfraSec safeguards the core of OpenAI’s research and production environments—GPU supercomputing clusters, multi-cloud infrastructure, datacenters, networking, storage, and the critical services that power our frontier AI models. Our charter spans everything from bare-metal hardware and firmware to Kubernetes clusters, service meshes, and the data pathways that carry highly sensitive model weights and user data. As a Security Software Engineer, you will design and build critical foundational services, such as authentication systems, egress/ingress proxies, access brokers, and key management platforms, that demand high standards of reliability, scalability, and software craftsmanship. These systems form the security backbone of OpenAI’s supercomputing environment and must remain robust under intense scale and adversarial pressure.

Job Responsibility:

Architect and implement production-grade security services (e.g., auth services, access brokers, secure proxies, key-management infrastructure)
Partner with infrastructure and research engineers to embed security into high-performance compute clusters
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
Lead or participate in design reviews and threat models to ensure new systems launch with strong security foundations and operational excellence

Requirements:

Strong software engineering skills in languages such as Python, Go, Rust, or C/C++
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

What we offer:

Medical, dental, and vision insurance for you and your family, with employer contributions to Health Savings Accounts
Pre-tax accounts for Health FSA, Dependent Care FSA, and commuter expenses (parking and transit)
401(k) retirement plan with employer match
Paid parental leave (up to 24 weeks for birth parents and 20 weeks for non-birthing parents), plus paid medical and caregiver leave (up to 8 weeks)
Paid time off: flexible PTO for exempt employees and up to 15 days annually for non-exempt employees
13+ paid company holidays, and multiple paid coordinated company office closures throughout the year for focus and recharge, plus paid sick or safe time
Mental health and wellness support
Employer-paid basic life and disability coverage
Annual learning and development stipend to fuel your professional growth
Daily meals in our offices, and meal delivery credits as eligible
Relocation support for eligible employees
Additional taxable fringe benefits, such as charitable donation matching and wellness stipends
Offers Equity
Performance-related bonus(es) for eligible employees

Additional Information:

Job Posted:
February 21, 2026

Employment Type:

Fulltime

Work Type:

Remote work

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