Senior Security Engineer - Digital Assets

We are hiring a Senior Security Engineer, Digital Asset Custody to serve as the technical authority for Crypto Custody engineering. This role involves deep ownership of key management, custody security architecture, and risk posture across digital asset platforms. The Lead Engineer will set technical direction, define custody architecture, and own critical design decisions in a high-impact, hands-on role.

Senior Security Engineer - Digital Assets - Responsibilities:

• Design, implement, and evolve institutional-grade key management architectures.
• Lead the design of the Custody Policy Engine, governing authorization and transaction controls.
• Own custody-specific disaster recovery strategies and incident response.
• Act as the custody architecture authority, ensuring consistency across platforms.
• Leverage GenAI and AI tools to enhance architecture design and threat modeling.

• 10+ years of software engineering experience with security-sensitive or cryptographic systems.
• Strong hands-on experience with HSMs, MPC frameworks, and secure key management systems.
• Experience with Web3 Security tooling such as Slither, Mythril, Foundry Fuzzing.
• Proficiency in cryptography implementation languages such as C, C++, Rust, Go.
• Proven ability to design systems with material risk implications.
• Strong grounding in distributed systems and secure architectures.
• Experience collaborating with security auditors.

Senior Security Engineer - Digital Assets - Nice-to-Have Skills:

• Experience with crypto custody or blockchain infrastructure.
• Prior ownership of incident response or DR design.
• Ability to articulate risk-based tradeoffs to stakeholders.
• Systems thinker with a holistic approach to technology and operations.
• Experience applying AI tools to complex engineering workflows.

On behalf of our financial services client, Procom is searching for a Senior Security Engineer - Digital Assets for a 12-month role. This position is a hybrid position with 4 days onsite at our client’s Southlake, Texas office. (or Austin)