Principal Site Reliability Engineer

Matillion is The Data Productivity Cloud.
We are on a mission to power the data productivity of our customers and the world, by helping teams get data business ready, faster. Our technology allows customers to load, transform, sync and orchestrate their data. 
We are looking for passionate, high-integrity individuals to help us scale up our growing business. Together, we can make a dent in the universe bigger than ourselves.
About the Role
Are you ready to shape the future of reliability at scale? At Matillion, we’re looking for a Principal Site Reliability Engineer to lead our cloud architecture and observability strategy across mission-critical systems.
This high-impact role puts you at the heart of our cloud-native engineering team, designing resilient distributed systems that power data workloads across the globe. You’ll work cross-functionally with engineering, product, and leadership, helping to scale our platform as we continue our journey of global growth.
We value in-person collaboration here at Matillion, therefore this role will follow our hybrid work structure where employees work 2 days a week in the Manchester office.

What you'll be doing

• Leading the design and architecture of scalable, cloud-native systems that prioritise reliability and performance
• Owning observability and infrastructure strategy to ensure global uptime and rapid incident response
• Driving automation, sustainable incident practices, and blameless postmortems across teams
• Collaborating with engineering and product to shape scalable solutions from ideation to delivery
• Coaching and mentoring engineers, fostering a culture of technical excellence and innovation

What we are looking for

• Deep expertise in Kubernetes and modern tooling like Linkerd, ArgoCD, or Traefik
• Pro-level programming skills (Go, Java or Python preferred) and familiarity with the broader ecosystem
• Proven experience building large-scale distributed systems in public cloud (AWS or Azure)
• Hands-on knowledge of observability tools like Prometheus, Grafana, OpenTelemetry, or Datadog
• Experience with messaging systems (e.g., Kafka) and secrets management (Vault, AWS Secrets Manager)
• A collaborative leader with strong communication skills and a passion for scalability, availability, and innovation

At Matillion, we are committed to providing competitive salaries in line with market standards. Our estimated compensation range for this position is £104,000 - £156,000, but the final salary will be based on your relevant skills, experience and qualifications demonstrated in the hiring process.
Matillion has fostered a culture that is collaborative, fast-paced, ambitious, and transparent, and an environment where people genuinely care about their colleagues and communities. 
Our 6 core values guide how we work together and with our customers and partners. We operate a truly flexible and hybrid working culture that promotes work-life balance, and are proud to be able to offer the following benefits:
- Company Equity - 30 days holiday + bank holidays- 5 days paid volunteering leave- Health insurance- Life Insurance- Pension - Access to mental health support
More about MatillionThousands of enterprises including Cisco, DocuSign, Slack, and TUI trust Matillion technology to load, transform, sync, and orchestrate their data for a wide range of use cases from insights and operational analytics, to data science, machine learning, and AI. 
With over $300M raised from top Silicon Valley investors, we are on a mission to power the data productivity of our customers and the world.
We are passionate about doing things in a smart, considerate way. We’re honoured to be named a great place to work for several years running by multiple industry research firms. 
We are dual headquartered in Manchester, UK and Denver, Colorado.
We are keen to hear from prospective Matillioners, so even if you don’t feel you match all the criteria please apply and a member of our Talent Acquisition team will be in touch. Alternatively, if you are interested in Matillion but don't see a suitable role, please email talent@matillion.com.
Matillion is an equal opportunity employer. We celebrate diversity and we are committed to creating an inclusive environment for all of our team. Matillion prohibits discrimination and harassment of any type. Matillion does not discriminate on the basis of race, colour, religion, age, sex, national origin, disability status, genetics, sexual orientation, gender identity or expression, or any other characteristic protected by law.