Senior Security Platform Engineer - Secrets & PKI

Cloudflare; Atlanta (GA); Hybrid; USD 150,000 - 210,000; Full time

Benefits offered by this job

Equity plan

Comprehensive benefits

Job summary

Cloudflare is seeking a Security Platform Engineer to help build and operate secure, resilient distributed systems for secrets and key management across a global network. You will work with internal PKI and machine/workload identity initiatives, supporting engineers and driving security-focused design decisions.

The role emphasizes hands-on engineering over policy work, with on-call duties and collaboration across teams to ensure secure and scalable infrastructure.

Qualifications

• Experience building secure distributed systems.
• Linux/UNIX administration proficiency.
• Strong security implementation background.

Responsibilities

• Build and operate secure, resilient distributed systems for secrets and key management.
• Support internal PKI and machine/workload identity across the network.
• Participate in on-call rotation and advise on secure design of new systems.

Skills

Distributed systems

Linux administration

Security implementation

Tools

HashiCorp Vault

OpenBao

HSM/TPM

Go

Python + Salt

Job description

Cloudflare is seeking a Security Platform Engineer to help build and operate secure, resilient distributed systems for secrets and key management across a global network. You will work with internal PKI and machine/workload identity initiatives, supporting engineers and driving security-focused design decisions.

The role emphasizes hands-on engineering over policy work, with on-call duties and collaboration across teams to ensure secure and scalable infrastructure.