Trading Cyber Security Leader — AI & Cloud

Orbis Group; Greater London; On-site; GBP 180,000 - 260,000; Full time

Job summary

Orbis Group partnering with a global hedge fund seeks a Head of Cyber Security to lead and evolve its security function in a fast-paced trading environment. This role requires a hands-on leader who understands the security challenges of prop trading, modern engineering platforms, and AI-enabled technologies.

You will work directly with senior leadership while remaining close to engineering, shaping security strategy and driving technical delivery across the organisation.

Qualifications

• Lead the cyber security function within a trading environment.
• Define and execute the firm's cyber security strategy.
• Partner with engineering to embed security into software and infrastructure.
• Drive AI security and governance across the organisation.
• Protect trading systems and sensitive market data; manage incidents.

Responsibilities

• Lead the cyber security function and set the strategic direction.
• Collaborate with engineering to implement secure SDLC and cloud security.
• Oversee incident response, threat management, and security engineering initiatives.
• Mentor and develop a small security team.
• Engage with senior leadership on risk and governance.

Skills

Leadership

Cyber security

AI security

Security strategy

Stakeholder communication

Education

Bachelor's degree in CS or related field

CISSP / CISM or equivalent

Tools

Cloud security platforms

Security incident tools

Job description

Orbis Group partnering with a global hedge fund seeks a Head of Cyber Security to lead and evolve its security function in a fast-paced trading environment. This role requires a hands-on leader who understands the security challenges of prop trading, modern engineering platforms, and AI-enabled technologies.

You will work directly with senior leadership while remaining close to engineering, shaping security strategy and driving technical delivery across the organisation.