Principal Security Engineer

We’re supporting a leading institutional FinTech as they continue scaling a cutting-edge security engineering function protecting both traditional finance and digital-asset environments.

As a senior/principal individual contributor, you’ll own key parts of the security stack across cloud, application, and detection domains. You’ll drive high-impact initiatives end-to-end — from secure design and controls automation to vulnerability management and incident response — while mentoring teammates and contributing to a strong engineering culture.

What you’ll do

• Design and operate security systems across authentication, identity, key management, and secrets at scale
• Maintain secure software delivery pipelines and cloud security posture (AWS preferred)
• Build paved-road security patterns for AWS/Kubernetes/CI/CD
• Support digital custody and wallet security for emerging asset classes
• Participate in a 24/7 rotation for mission-critical security services
• Work closely with engineering teams to assess architecture, detect threats, and uphold IR standards

What we’re looking for

• 8 years (Senior) / 12 years (Principal) in security engineering within FinTech, exchanges, or large-scale distributed systems
• Strong technical depth in cloud, application security, detection engineering, and/or crypto security
• Hands-on coding ability (Python preferred)
• Experience building automated security controls and IaC scanning
• Ability to explain risk and trade-offs clearly to technical and non-technical audiences

Nice to have

• Exposure to regulated trading or custody environments
• Knowledge of MPC wallets, smart-contract or DeFi risk
• Master’s degree in a relevant field