Overview

Principal Site Reliability Engineer (SRE)

Hybrid Working - Preference for Scotland, Open to UK-wide.

£75,000-£95,000 + Fantastic Company Benefits (paid technical training).

On-Call Rota - 1 week-in-3 months.

Areti is proud to be supporting our client with the search for a Principal Site Reliability Engineer (SRE). This is a fantastic opportunity to take a leadership role within a scaling environment, shaping the future of platform reliability and engineering culture.

The business has experienced endless success over the past five years, growing from just three teams to now eight teams, and supporting 32 clients across SME to enterprise-level organisations. Looking ahead, the company is embarking on a major modernisation journey with a planned multi-million pound technology investment over the next 12 months - offering a rare opportunity to shape a modern, greenfield-style environment and leave a lasting impact on its technology landscape.

The Role

As Principal SRE, you will provide both technical leadership and hands-on expertise, guiding platform, SRE, and DevOps teams in building reliable, scalable, and secure systems. You will be instrumental in driving automation, tooling, and cloud adoption across the business.

Key Responsibilities

• Lead and mentor platform/SRE/DevOps teams, fostering best practices in reliability engineering.
• Design and scale complex environments, ensuring performance, resilience, and security.
• Build out automation and tooling to improve delivery pipelines and system reliability.
• Collaborate with engineering and product teams to embed reliability into every stage of development.

Key Skills & Experience

We are looking for someone with top-level technical leadership experience and a proven track record in:

• Leadership: Leading platform, SRE, or DevOps teams in scaling environments.
• Infrastructure as Code: Advanced Terraform expertise (Pulumi experience desirable).
• Cloud Platforms: Experience with Azure (preferred) or AWS.

Why Apply?

This is a chance to join a forward-thinking organisation where your leadership will directly influence technology direction, tooling, and engineering culture. With a multi-million pound investment driving a full-scale modernisation programme, you’ll be empowered to make key architectural decisions, introduce new tooling, and help build platforms that will define the next era of the business.

At Areti, we pride ourselves on building strong, long-term relationships with both our clients and candidates. We focus on connecting exceptional people with outstanding opportunities, ensuring the right fit for both parties.

We’re on a mission to put people and the planet before profit — helping to build a better, more sustainable tech future.