Infrastructure Lead (Hands On) – Global Securities Firm (Market Making) – London – Greenfield AWS Trading Infra

Are you ready to lead the infrastructure vision of a global trading firm?

We’re looking for an accomplished Infrastructure Lead/Head of Infrastructure to drive the transformation of a cutting-edge trading environment – scaling systems that power real-time decision-making across global markets.

This is an opportunity to own an ambitious cloud migration and greenfield build-out, working with world-class technologists and traders on platforms that demand ultra-low latency, resilience, and scalability.

What You’ll Do

• Lead the design and delivery of next-generation trading infrastructure across cloud and on-prem environments.
• Drive the firm’s migration to AWS, architecting hybrid solutions that balance performance, security, and cost.
• Build and mentor a top-tier DevOps and Infra team.
• Implement automation and monitoring solutions that keep mission-critical systems running at peak performance.
• Collaborate closely with engineering, trading, and risk teams to deliver reliable, high-speed platforms.

What’s In It for You

• Strategic ownership – Take full responsibility for shaping infrastructure decisions across a high-growth trading business.
• Greenfield opportunity – Lead the buildout of a new, global environment from the ground up.
• Innovation-first culture – Work with elite engineers in a technically demanding, forward-thinking environment.
• Impact & visibility – Partner directly with senior leadership, influencing both technology and trading outcomes.
• Competitive compensation – Reflective of the seniority and technical depth of the role.

What You Bring

• 7+ years in infrastructure, DevOps, or cloud engineering within trading, financial services, or other high-performance environments.
• Proven leadership experience with AWS and hybrid architectures.
• Strong technical grounding in networking, automation, and system reliability.
• Hands-on skills in scripting (Python, Bash), infrastructure as code, and network optimisation for latency-sensitive systems.