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Senior Systems Engineer, Identity & Access Management

Cloudflare· Engineering
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Hybrid (Austin, Austin, TX; Atlanta, GA; Denver, CO; San Francisco, CA; Washington D.C.)full-timePosted 2mo ago

About the role

Senior hands-on engineer responsible for design, development, and operation of high-throughput, reliability-critical IAM services at Cloudflare, including authentication, authorization, and related identity features, with AI-assisted development and production-scale considerations.

Responsibilities

  • Feature development: design and build high-throughput, low-latency IAM capabilities that power both customer-facing and internal service APIs.
  • System evolution: contribute to the design and evolution of authentication and authorization systems into modern, distributed, and edge-capable architectures.
  • API and system design: translate product and security requirements into robust APIs and technical specifications in collaboration with Product, Security, and UX teams.
  • Engineering excellence: maintain a high bar through thorough code reviews, technical design documents, and collaborative problem-solving.
  • Operational stewardship: own the reliability of the platform under constant load, ensuring observability and resilience are built into every service.
  • AI-assisted development: use AI tools throughout your workflow, from code generation to debugging, and bring the judgment to know when to trust them.

Qualifications

  • 5-8 years building and operating production systems at scale.
  • Working knowledge of identity protocols and models (OAuth 2.0, OIDC, SAML, SCIM, RBAC/ABAC, and session management). Hands-on experience implementing identity protocols or fine-grained authorization systems, RBAC, ABAC, relationship-based access control, or policy engines (such as Cedar), in production.
  • Proficiency in languages like Go and Typescript and comfort working across Cloudflare’s tech stack.
  • Experience designing and building REST APIs: routing, authentication, request lifecycle, and versioning.
  • PostgreSQL and Redis experience: schema design, query optimization, caching strategies, and consistency tradeoffs.
  • Strong distributed systems intuition: consistency models, event-driven replication, and the implications of global state propagation.
  • High standards for correctness and security; curious, self-directed, and comfortable driving ambiguous problems to resolution across team boundaries.

Skills

Required:OAuth 2.0 / OIDCRBAC / ABAC / policy enginesREST API designGoTypescriptPostgreSQL / RedisDistributed systemsObservability / Reliability engineering

Benefits

  • Health & Welfare Benefits: Medical/Rx Insurance, Dental Insurance, Vision Insurance, Flexible Spending Accounts, Commuter Spending Accounts, Fertility & Family Forming Benefits, On-demand mental health support and Employee Assistance Program, Global Travel Medical Insurance.
  • Financial Benefits: Short and Long Term Disability Insurance, Life & Accident Insurance, 401(k) Retirement Savings Plan, Employee Stock Participation Plan.
  • Time Off: Flexible paid time off covering vacation and sick leave, Leave programs including parental, pregnancy health, medical, and bereavement leave.
Last updated Sep 16, 2026. Interested? Apply on the company site.

About Cloudflare

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