Director, Senior Security Architect (Crypto)

Location: SoHo, London; full-time onsite

Company

hirify.global is a media, events, indices, and data company serving the global crypto economy and operating as an independent subsidiary within the Bullish group.

What you will do

• Build complex threat models for critical systems and define prioritized cybersecurity requirements.
• Partner with Product, Engineering, and Infrastructure teams to design and ship secure web, API, mobile, FIX, and trading software.
• Lead global security initiatives and build custom AI-powered tooling to scale the cybersecurity program.
• Assess vulnerability risks, provide actionable recommendations, and track security health metrics and KPIs for executive reporting.
• Drive high-impact security projects in a fast-moving environment.
• Provide technical leadership and mentorship to cybersecurity and engineering teams.

Requirements

• 10+ years of cybersecurity experience, including 5+ years of hands-on coding.
• Deep expertise in threat modeling, code reviews, and offensive security methodologies, including hands-on penetration testing.
• Working knowledge of Linux environments, command-line tools, shell scripting, system hardening, and security configuration.
• Strong foundation in IP, DNS, HTTP, SSL/TLS, cryptography, PKI, encryption at rest and in motion, and public cloud platforms such as AWS, Azure, or GCP.
• Proficiency in programming languages including C/C++, Java, JavaScript, Python, Go, or Rust.
• Deep understanding of OWASP Top 10 and SANS CWE Top 25.
• Knowledge of enterprise software development, Agile, CI/CD pipelines, SAST, DAST, OSA, vulnerability management, and API traceability.
• Ability to communicate complex technical risks to non-technical executives and engineers and build strong cross-functional partnerships.
• Ability to drive projects independently from conception to completion with minimal oversight.

Nice to have

• Continuous interest in securing systems and learning new technologies.
• Current Offensive Security Certified Professional (OSCP) certification.
• Experience securing trading, financial-market, regulated, or other high-stakes systems.
• Additional security architecture, offensive security, or cloud security certifications, including SABSA, TOGAF, CISSP, OSCE, SANS, CREST, CISM, AWS, Azure, or GCP certifications.

Culture & Benefits

• Full-time onsite work in SoHo, London.
• Work on security for crypto markets, trading systems, financial data, media, events, and indices.
• Equal-opportunity employment and reasonable accommodations during the application process.