Platform Engineer

Job title: Platform Engineer

Location: London, Bristol or Edinburgh (including hybrid)

Part time available?: No

Salary: £55,500 - £69,000

Closing Date: 16th June 2025

Kaluza wants to power a world where net-zero is within everyone’s reach, by building the platform that will accelerate a sustainable, affordable and resilient energy transition. It’s a huge challenge, but often the toughest problems are the most rewarding to solve.

Since launching in 2019, Kaluza’s technology has been empowering some of the biggest energy suppliers to better serve millions of customers.

From revolutionising billing to smart electric vehicle charging, our real-time cloud platforms transform supplier operations, reducing cost to serve and boosting engagement. And most importantly, they enable suppliers' customers to drive decarbonisation with smart, low carbon technologies.

Where in the world of Kaluza will I be working?

You'll be joining the Kaluza Technology community. We’re a large team of both data-led and product focused Software and Production Engineers, pushing the boundaries of technology and working at an extraordinary scale. As a collective we strive for engineering greatness and by ensuring best practices across the board of the community.

To find out more about what it’s like to work in our Kaluza Technology Community, check out our Tech Blog here:

https://www.kaluza.com/blog/

You’ll be working on the Kaluza’s Energy Retail platform, a SaaS platform that aims to revolutionise the operating platforms for energy retailers globally. This platform has been built with scale and technical quality in mind and is the foundation for decarbonisation efforts by Kaluza’s customers.

What will I be doing?

You’ll play a pivotal role in building and evolving our internal developer platform, in order to empower our software teams. Your work will impact how our developers use cloud infrastructure, help teams to eliminate infrastructure toil, improve engineering productivity, reinforce security safeguards and constantly strive for greater cost efficiencies in operations..

Responsibilities

• Engineering a scalable, reliable and developer friendly platform to promote seamless software development, deployment and operations.
• Automation & Tooling: Develop tools to abstract the complex aspects of the platform from developers to improve developer experience and operational efficiency.
• Manage infrastructure as Code: Use tools like Terraform, Helm and Crossplane to manage and automate provisioning of all cloud infrastructure and champion GitOps best practices.
• Monitoring & Observability: Establish robust monitoring and logging foundations collaborating with the wider Site Reliability Engineering Function and ensure platform reliability and performance using the standard application performance management tools.
• Security: Incorporate security best practices and ensure compliance of the platform with industry standards.
• Incident Management: Participate in out of hours on-call rota, help troubleshoot platform related incidents and implement post incident improvements to prevent recurrent issues.
• Foster strong relationships with internal and external stakeholders to ensure clear communication of upcoming platform changes, coordinating upgrades and maintenance windows and holding service providers accountable to contractual SLAs.
  
  

Is this the job for me?

Ideally, you’ll have

• Experience building and shipping production applications
• Excellent communication and collaboration skills and a genuine curiosity to learn and solve challenging problems collaboratively.
• Experience using cloud platforms like AWS (preferred), Google Cloud, Azure or others.
• Created, maintained, migrated Kubernetes clusters in production. If you haven’t yet, then you would love to get your hands on Kubernetes.
• Excellent foundational understanding of distributed systems.
• Experience and understanding of continuous integration, continuous deployment, GitOps and related Infrastructure as Code technologies
• An appreciation of Site Reliability Engineering mindset.
  
  

Desirable

• Relevant training and certifications
  
  

Our Tech Stack

AWS, Kubernetes, Cilium, Hubble, Kyverno, Traefik, Cloudflare, Sealed secrets, Terraform, Helm, GitHub Runners, KEDA, KNative, ArgoCD, Datadog, Golang, Python, Crossplane, Karpenter, Kafka

Kaluza Values

Here at Kaluza we have five core values that guide us as a business:

We’re on a mission, We build together, We’re inclusive, We get it done, We communicate with purpose.

Our values are not words on a wall — they are at the heart of our culture. They are how we make decisions and how we treat each other. They are concrete and clear, and reflect what we as people, and as a business, really care about.

Kaluza’s vision is to power a world where net-zero is within everyone’s reach. Would you be interested in joining us to help achieve this?

From us you’ll get

• Pension Scheme
• Discretionary Bonus Scheme
• Private Medical Insurance + Virtual GP
• Life Assurance
• Access to Furthr - a Climate Action app
• Free Mortgage Advice and Eye Tests
• Perks at Work - access to thousands of retail discounts
• 5% Flex Fund to spend on the benefits you want most
• 26 days holiday
• Flexible bank holidays, giving you an additional 8 days which you can choose to take whenever you like
• Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family
• Dedicated personal learning and home office budgets
• Flexible working — we trust you to work in a way that suits your lifestyle
• And more…
  
  

Even better? You’ll have access to these benefits from day 1 when you join.

We want the best people

We’re keen to meet people from all walks of life — our view is that the more inclusive we are, the better our work will be. We want to build teams which represent a variety of experiences, perspectives and skills, and we recognise talent on the basis of merit and potential.

We understand some people may not apply for jobs unless they tick every box. But if you're excited about joining us and think you have some of what we're looking for, even if you're not 100% sure, we'd still love to hear from you.

Find out more about working in Kaluza on our careers page and LinkedIn.