Member of Technical Staff — Security

About the Role

RadixArk is looking for a Member of Technical Staff — Security to champion both our internal security posture and help us prepare for vendor audits and compliance requirements. As our first dedicated security engineer, you'll lay the foundation for security practices across our infrastructure, products, and operations—ensuring we can confidently serve enterprise customers and pass SOC 2 audits.

This is a unique opportunity to shape security from the ground up at a fast-growing AI infrastructure company. You'll work across backend systems, cloud infrastructure, and customer-facing APIs to build security into our products and processes before external auditors arrive.

Key Responsibilities

Security Posture & Compliance:

• Build and document our internal security architecture, controls, and practices
• Create threat models for our systems and products that interact with customer data
• Develop an Incident Response Plan (IRP) and Business Continuity/Disaster Recovery (BC/DR) plan
• Establish vulnerability and patch management processes with clear SLAs
• Prepare security documentation for vendor audits, including SOC 2 readiness

 

System Scoping & Inve