Lead Security Engineer (AI Security, DeFi, Self Custody)

We are looking for a proactive and solutions-oriented Lead Security Engineer who drives progress by enabling secure innovation and solutions. This candidate will work closely with cross-functional teams to move the needle forward in a secure and efficient way—finding practical, effective security solutions that empower the business while protecting critical assets.

 

This role is 100% Remote, Work from Home. 

Leverage deep cybersecurity knowledge across DeFi domains—such as blockchain, smart contracts and wallet protection—alongside application security, system security, and cryptographic techniques.

Lead hands-on implementation of IT Security Risk Management and collaborate with stakeholders to protect assets, data, and systems.

Oversee cyber threat and vulnerability management, including penetration testing coordination.

Lead security incident response and management with timely escalation.

Conduct security risk assessments for projects and third-party integrations.

Ensure compliance with security governance, regulatory, and internal policies.

Define and lead AI security strategy and governance, including safe adoption of LLMs across products and internal workflows, with clear policies for data handling, prompt safety, and third-party integrations.

Design and enforce controls for AI-specific threats (prompt injection, data leakage, model abuse), while embedding secure AI practices into SDLC and engineering platforms.

Drive AI-enabled security operations, leveraging automation and AI to improve threat detection, triage, and response efficiency.

2+ years of self-custody wallet experience

10+ years of cybersecurity experience in international, regulated environments.

Strong leadership combined with deep technical expertise.

Active contributor to the security community.

Experience in global, fast-paced, multicultural teams.

Bachelor’s degree or higher in IT, Cybersecurity, or related field.

Hands-on experience managing cybersecurity operations and best practices.

Knowledge of frameworks such as NIST, ISO 27001/27701, CIS, and PCI-DSS.

Excellent communication skills and a collaborative mindset.

Passionate about emerging cybersecurity trends and threats.