Senior Security Engineer, Digital Asset Custody

Senior Security Engineer, Digital Asset Custody

Our client, a leading organization in digital asset management and security, is seeking a Senior Security Engineer, Digital Asset Custody to join their team. As a Senior Security Engineer, Digital Asset Custody, you will be part of the Security Engineering Department supporting the Digital Asset Custody team. The ideal candidate will have strong analytical skills, excellent communication abilities, and a proactive mindset, which will align successfully in the organization.

Southlake, TX (preferred) or Austin, TX (backup)

$85

• Serve as the technical authority for Crypto Custody engineering, focusing on key management, custody security architecture, and risk posture across digital asset platforms.
• Design, implement, and evolve institutional-grade cryptographic architectures including HSMs, MPC frameworks, and secure key management systems.
• Lead the development of custody policy engines, governing authorization, transaction controls, and policy enforcement.
• Develop and maintain disaster recovery strategies, incident response procedures, and perform root cause analysis for custody-related security events.
• Ensure custody architecture scalability, security, and resilience across multiple assets, chains, and future tokenized products.

• 10+ years of software engineering experience with a focus on security-sensitive or cryptographic systems.
• Hands‑on experience with HSMs, MPC frameworks, and secure key management systems.
• Proficiency with cryptography implementation languages such as C, C++, Rust, or Go.
• Experience collaborating with security auditors and designing systems with material risk implications.
• Strong understanding of distributed systems, secure architectures, and fault‑tolerant design principles.

• Opportunity to work on cutting‑edge digital asset custody solutions in a high‑impact role.
• Engage with innovative cryptographic technologies and AI‑augmented engineering practices.
• Collaborate with a diverse and talented team committed to security excellence.
• Contribute to scalable architecture that influences enterprise standards and future growth.
• Potential for role conversion to full‑time employment, with sponsorship considerations highlighted during application.