Founding Security Engineer: Crypto Infrastructure, Built from Scratch

My client is building core infrastructure for the future of financial systems, with crypto at the center. They’re looking for a founding-level Security Engineer to define and lead their security approach from the ground up.

This is not a reactive role. It’s about proactively designing and implementing secure systems before launch, working directly with crypto infrastructure, wallet design, and key management.

What you’ll be doing:

• Building out security engineering and operations from first principles

• Leading application security reviews across crypto systems

• Designing threat models and security roadmaps for sensitive infrastructure

• Implementing governance aligned with PCI, SOC 2, and NIST standards

• Establishing secure software development lifecycle and incident response processes

What they’re looking for:

• 6+ years in security engineering

• At least 2 years in the crypto space (infra, wallets, custody, or compliance)

• Experience building security programs from scratch

• Leadership mindset with the ability to work independently in zero-to-one environments

Offer:

• They will exceed expenctations on base salary
• Very generous Equity package

The role is full-time and on-site at a Southern California office. The team is deeply mission-driven, moving fast, and hiring for impact. This is a rare opportunity to shape the security foundation of a company before it launches.

If this sounds like a fit, reach out directly and I’ll share more.