Lead SRE / Platform Engineer

LinuxRecruit; Remote; GBP 80,000 - 100,000; Full time

Job summary

A fast-growing Cybersecurity firm based in the UK is looking for a Lead SRE & Platform Engineer to drive platform reliability and performance. You will take ownership of the platform's evolution, shape its roadmap, and build a capable team around you. This role offers a clear progression to a Head of position as the function matures. You will be hands-on, influencing architecture, automating operations, and leading the transition to a modern Kubernetes and AWS-based environment.

Qualifications

• Experience with Kubernetes infrastructure.
• Strong background in AWS deployments.
• Proven ability in operational excellence and team leadership.

Responsibilities

• Take ownership of reliability, performance, and platform direction.
• Set the roadmap and shape platform evolution.
• Lead the transition from legacy setup to modern infrastructure.

Skills

Kubernetes

AWS

Operational excellence

Automation

Job description

Head of / Lead SRE & Platform Engineer (Remote, anywhere in the UK)

This is a fast-growing Cybersecurity, SaaS company that is rebuilding its platform for scale and reliability.

They power identity and network access for organisations around the world and are now investing heavily in modernising their infrastructure.

They're Profitable, engineering led and moving fast.

We are growing the entire engineering function and right now the focus is for a Lead SRE & Platform Engineer to take ownership of reliability, performance and platform direction. You will set the roadmap, shape how the platform evolves and build the team around you.

There is a clear path for this to grow into a Head of role as the function matures.

You will be hands on. You will influence architecture, raise the bar on operational excellence and lead a major shift from a legacy setup into a modern Kubernetes environment. Everything runs in AWS and there is a big focus on automation, observability and running things properly at scale.