Sr Site Reliability Engineer I in London

At Axon, we’re on a mission to Protect Life. We’re explorers, pursuing society’s most critical safety and justice issues with our ecosystem of devices and cloud software. Like our products, we work better together. We connect with candor and care, seeking out diverse perspectives from our customers, communities and each other. Life at Axon is fast‑paced, challenging and meaningful. Here, you’ll take ownership and drive real change. Constantly grow as you work hard for a mission that matters at a company where you matter.

Your Impact

Join us in shaping the future of infrastructure automation for mission‑critical law enforcement systems. As a Senior Site Reliability Engineer, you will drive the development of a next‑generation infrastructure provisioning and automation platform. This platform empowers engineering teams to self‑serve cloud infrastructure, safely and efficiently, while reducing manual effort and operational risk. You will have a direct, hands‑on impact by building and evolving systems that use automation and intelligent agents to generate, validate, test, and operate infrastructure at scale. We are looking for an engineer with a strong software development background, fluency in languages such as Go or Python, and deep experience designing and operating cloud platforms, who is motivated to improve developer velocity, reliability, and platform resilience.

Work Location: This role is based out of our London office and follows a hybrid schedule. We rely on in‑person collaboration and ask that team members work onsite Tuesdays through Fridays, with the flexibility to work remotely on Mondays, unless there is an approved workplace accommodation. We believe that connection fuels innovation, and our in‑office culture is designed to foster meaningful teamwork, mentorship, and shared success.

What You’ll Do

• Build robust, easy‑to‑use foundational platforms and tools that enable engineering teams to provision infrastructure rapidly, consistently, and securely across multiple cloud providers.
• Write code in Go that is performant, maintainable, clear, and concise.
• Champion and enforce Infrastructure as Code (IaC) best practices and coding standards.
• Employ strong problem‑solving skills, with the ability to debug problems in cloud native distributed systems.
• Influence and educate the engineering organization to adopt new and improved architectural patterns.
• Provide robust documentation for use by engineers to promote self‑service.

What You Bring

• 5+ years of experience in software engineering or site reliability.
• Experience building and scaling complex and impactful software products in a team environment.
• Deep skill in driving technical solutions across multiple teams.
• Strong experience with Terraform and CI/CD.
• Strong experience managing infrastructure in the cloud (AWS or Azure).
• Experience using languages such as Go, Python, C#, Java, or similar.
• Experience designing tooling to simplify the operational management of SaaS/PaaS systems.
• Empathy to support the needs of software engineers.

Benefits that Benefit You

• Competitive base salary and RSUs.
• Comprehensive pension plan with matching contribution.
• Private health insurance & cash plans.
• 30 days paid holiday + UK public holidays.
• Enhanced maternity/paternity leave.
• Life assurance & income protection.
• Career growth support and wellness resources.

Don’t meet every single requirement? That’s ok. At Axon, we Aim Far. We think big with a long‑term view because we want to reinvent the world to be a safer, better place. We are also committed to building diverse teams that reflect the communities we serve.

We are an equal opportunity employer that promotes justice, advances equity, values diversity and fosters inclusion. We’re committed to hiring the best talent—regardless of race, creed, color, ancestry, religion, sex (including pregnancy), national origin, sexual orientation, age, citizenship status, marital status, disability, gender identity, genetic information, veteran status, or any other characteristic protected by applicable laws, regulations and ordinances—and empowering all of our employees so they can do their best work.