Software Engineer - Security Platform

Cloudflare is a technology company focused on helping build a better Internet through a global network that protects and accelerates Internet applications. The Software Engineer will build and operate secure, resilient distributed systems for secrets management, internal PKI, and machine or workload identity, while supporting internal developers and participating in incident response. The role also contributes to secure system architecture and design.

Responsibilities:

• You’ll build and operate secure and resilient distributed systems for secrets and key management, running across our network that spans more than 310 cities in over 120 countries
• Our focus is strengthening/re-architecting internal PKI and machine/workload identity
• You’ll run and support the systems we build, both in an operational sense and by helping other internal developers use them
• You will participate in the On Call rotation for emergency incident response
• You’ll consult on the design and architecture of new systems and products to ensure they are built securely and use our services correctly

Requirements:

• Software development and distributed systems design expertise
• Linux/UNIX system administration proficiency
• Strong security background with a focus on implementation, not policy/compliance
• Track record of contributing to open source security or distributed systems projects
• Cryptography background and ability to work with cryptosystems at the primitives level
• Experience with HSMs, TPMs, or other platform TEEs (e.g. AMD SEV, Intel SGX, Apple Secure Enclave)
• Familiarity with HashiCorp Vault or OpenBao, or similar
• Familiarity with Go and/or Python + Salt specifically