← All roles

Principal Security Engineer, Infrastructure Security

OpenAI· Security
Apply on company site
Remote$347k - $490kFull-timePosted 7mo ago

About the role

Principal Security Engineer to lead InfraSec security programs securing OpenAI's infrastructure across multi-cloud, on-prem, and data center environments, including hardware, firmware, OS, Kubernetes, networks, and CI/CD.

Responsibilities

  • Own end-to-end security outcomes for one or more critical infrastructure areas, including multi-quarter strategy, roadmap, and delivery.
  • Design and build security controls across diverse layers (e.g., physical hardware, firmware/BMC, OS, Kubernetes, networks, and CI/CD) to defend against sophisticated adversaries and insider threats.
  • Lead cross-functional programs to deploy security enhancements and control changes across broad-scale infrastructure, balancing security guarantees with reliability and velocity.
  • Take a generalist approach to building security controls, balancing a mix of security expertise and broad technical skillsets to adapt to evolving challenges.
  • Lead and/or drive threat modeling and design reviews for major infrastructure changes, ensuring strong security foundations and operational excellence.
  • Mentor and level up engineers across InfraSec and partner teams, contributing to a strong security culture through guidance, reviews, and technical leadership.

Qualifications

  • Deep understanding of security principles, best practices, and common vulnerabilities, including strong security judgment under ambiguity.
  • Proactive mindset with ability to identify and address security gaps or inefficiencies through automation and tooling.
  • Expertise and curiosity about using frontier models and agents to effectively solve security challenges.
  • Track record of leading large, cross-org initiatives from concept to rollout, including navigating tradeoffs, driving alignment, and delivering measurable risk reduction.
  • Deep expertise in the security of cloud platforms (e.g., Amazon AWS, Microsoft Azure), especially securing multi-cloud networks and infrastructure, and designing cloud-agnostic systems.
  • Experience securing on-prem deployments and datacenters from construction to multi-tenant use.
  • Familiarity with container security, orchestration security, and authentication/authorization.
  • Strong analytical and problem-solving skills, with ability to think critically and objectively assess security risks.
  • Excellent communication skills, with ability to convey complex security concepts to executive, technical, and non-technical stakeholders.
  • Excitement about collaborating with cross-functional teams to build secure, reliable systems that scale globally.

Skills

Required:Security strategy and program leadershipSecurity controls design across infrastructure layersThreat modeling and design reviewsCross-functional leadershipCloud security (multi-cloud)On-prem and datacenter securityContainer and orchestration securityCommunication

Benefits

  • 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 offices, and meal delivery credits as eligible
  • Relocation support for eligible employees
  • Additional taxable fringe benefits, such as charitable donation matching and wellness stipends
Last updated Sep 3, 2026. Interested? Apply on the company site.

About OpenAI

ai-infrastructure-and-developmentliquid-ai-recruiting-targetllmsetter-30setter-30-2026-q1speech-to-texttext-to-speechvoice-ai-stack
Company profileWebsite

More open roles at OpenAI