Head of AI Infrastructure Engineering

Radiant; United Kingdom; On-site; GBP 150,000 - 210,000; Full time

Job summary

Radiant is hiring a Head of Engineering to lead and scale its engineering organisation, currently 30-35, growing to 150–200+. You will drive architecture, security, and delivery, partnering with Product, Customer, Infrastructure, SRE, and the wider tech leadership.

You will own the engineering strategy, ensure reliable, observable systems, and build a high-performing team capable of delivering AI infrastructure at scale. This is a senior leadership role requiring strong executive communication.

Qualifications

• Significant experience leading and scaling engineering organisations of 20+ engineers.
• Experience managing managers, with a track record of hiring and developing senior leaders.
• Proven ability to grow a small team into multiple autonomous units.
• Experience designing scalable organisational structures and operating models.
• Strong background in modern software engineering, distributed systems, cloud platforms.
• Experience with production systems reliability, observability, and operational readiness.

Responsibilities

• Hire and scale the engineering organisation, establishing leadership across managers and principal engineers.
• Own engineering hiring, performance, leadership development, succession planning, and health.
• Design and evolve the engineering organisation as the company grows across teams, sites, regions.
• Own engineering strategy, operating model, and execution aligned with product goals.
• Translate business priorities into technical plans, investments, and delivery commitments.
• Set ownership, decision rights, and accountability across engineering teams.
• Drive predictable, high-quality delivery and address risks early.

Skills

Engineering leadership

Hiring & scaling

Cross-functional collaboration

Roadmapping

Executive communication

Job description

Radiant is hiring a Head of Engineering to lead and scale its engineering organisation, currently 30-35, growing to 150–200+. You will drive architecture, security, and delivery, partnering with Product, Customer, Infrastructure, SRE, and the wider tech leadership.

You will own the engineering strategy, ensure reliable, observable systems, and build a high-performing team capable of delivering AI infrastructure at scale. This is a senior leadership role requiring strong executive communication.