Job title: Platform Engineer (Senior Engineer I) Location: London / Bristol / Edinburgh - HybridSalary: £66,000- £82,000Team: Platform Engineering TeamReporting To: Software Engineering Manager*At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team and our sponsorship policy is evaluated on a role-by-role basis. We encourage you to keep an eye on our careers site to stay informed about future opportunities where we are able to offer visa sponsorship.*Kaluza reimagines energy to bring net-zero within everyone’s reach. Our intelligent platform enables energy utilities to unlock the full value of a radically changing energy system and propel us to a future where renewable energy is sustainable, affordable and accessible for all.From automating and simplifying core operations including billing to create a lower-cost, higher-engagement experience, to optimising energy usage across smart devices in the home, we turn tough challenges into win-win-win outcomes for customers, suppliers and the energy system.At Kaluza we embrace a flexible, hybrid work model that balances autonomy with the power of in-person connection. Many of our teams find value in coming together regularly to collaborate, strengthen relationships, and accelerate progress. We’re focused on shaping thoughtful, team-driven approaches that support both business impact and individual well-being.We also prioritise meaningful company-wide gatherings like our annual conference and end-of-year celebrations, that bring us together to align, connect, and celebrate.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.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.Our tech stack is very fluid, but broadly you can find yourself working with:AWS, Kubernetes, Cilium, Hubble, Kyverno, Traefik, Cloudflare, Sealed secrets, Terraform, Helm, GitHub Runners, KEDA, KNative, ArgoCD, Datadog, Golang, Python, Crossplane, Karpenter, KafkaResponsibilities<ul><li>Engineering a scalable, reliable and developer friendly platform to promote seamless software development, deployment and operations.</li><li>Automation &amp; Tooling: Develop tools to abstract the complex aspects of the platform from developers to improve developer experience and operational efficiency.</li><li>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.</li><li>Monitoring &amp; 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.</li><li>Security: Incorporate security best practices and ensure compliance of the platform with industry standards.</li><li>Incident Management: Participate in out of hours on-call rota, help troubleshoot platform related incidents and implement post incident improvements to prevent recurrent issues.</li><li>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.</li></ul>About You<ul><li>Experience building and running production systems, with a focus on reliability and scalability.</li><li>Strong communication and collaboration skills — you enjoy solving complex problems as part of a team.</li><li>Hands-on experience with cloud platforms (AWS preferred, but GCP, Azure, or others also valuable).</li><li>Practical experience with Kubernetes in production (or a strong desire to gain it).</li><li>Solid foundational knowledge of distributed systems.</li><li>Familiarity with modern delivery practices — CI/CD, GitOps, and Infrastructure as Code.</li><li>An appreciation for the Site Reliability Engineering mindset and practices.</li><li>Curious and motivated to continuously learn, share knowledge, and improve systems.</li></ul>Why might this role not suit you?We are going through a period of significant evolution which is exciting and with it brings lots of opportunity and challenging work, which is not for everyone. To be successful in this role, you will be excellent at operating in ambiguous, changing environments, balancing multiple priorities simultaneously and get enjoyment from making the complex, simple. Our Engineering Interview ProcessInitial call with our Talent Acquisition team (30 minutes)This short call is designed to tell you more about Kaluza and the specific team you’ll be joining, as well as to ensure that the role is the right fit for youFirst stage interview (1 hour minutes)This interview will be with a hiring manager from one of our engineering teams, this interview will cover both mindset and technical questions. We will also incorporate a 15 coding exercise, so have your screen ready to do some coding Final Interview Loop (3 hours)Three hours sounds like a long time, but we don’t expect all of these to be completed across one day, but we can support that if you so wish, the three sessions cover the following:<ul><li>Behavioural - We use behavioural interviews to understand how you collaborate, solve problems, and build value for customers through real-world examples. </li><li>System Design - Our system design interview explores how you approach complex, high-scale problems — from handling real-time data to building reliable, secure, and scalable systems.</li><li>Pairing - Our pairing interview focuses on problem-solving, clean code, and real-time collaboration — you'll work through a practical task with one of our engineers.</li></ul>Kaluza ValuesHere 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.Read more about our <a href="https://careers.kaluza.com/our-values">values over on our careers site.</a>From us you’ll get<ul><li>Pension Scheme</li><li>Discretionary Bonus Scheme</li><li>Private Medical Insurance + Virtual GP</li><li>Life Assurance</li><li>Access to Furthr - a Climate Action app</li><li>Free Mortgage Advice and Eye Tests</li><li>Perks at Work - access to thousands of retail discounts</li><li>5% Flex Fund to spend on the benefits you want most</li><li>26 days holiday</li><li>Flexible bank holidays, giving you an additional 8 days which you can choose to take whenever you like</li><li>Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family </li><li>Dedicated personal learning and home office budgets</li><li>Flexible working — we trust you to work in a way that suits your lifestyle</li><li>And more…</li></ul>Even better? You’ll have access to these benefits from day 1 when you join.We want the best peopleWe’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 <a href="http://kaluza.com/">Kaluza</a> on our <a href="https://careers.kaluza.com/">careers page</a> and <a href="https://www.linkedin.com/company/kaluza/">LinkedIn</a>.

Kaluza is the intelligent energy platform enabling the world&rsquo;s largest energy companies to lead the way in the energy transition. From revolutionising energy retail operations to smart electric vehicle charging, our software is empowering energy suppliers to deliver market-leading experiences for their customers and drive decarbonisation.&nbsp;
Launching in 2019, we&rsquo;ve grown rapidly to over 400 employees across the UK, Portugal and the US. We pride ourselves on technical excellence and building a platform that has a real, positive impact in a fast-evolving industry.&nbsp;
We&rsquo;re on the lookout for talented problem solvers, who are determined to make a difference to the world. Sound like you? Find out more about life at Kaluza&nbsp;<a class="body-text-link hyperlink" href="https://careers.kaluza.com/life-at-kaluza">here</a>.

 Platform Engineer

Job title: Platform Engineer (Senior Engineer I)&nbsp;Location: London / Bristol / Edinburgh - HybridSalary: £66,000- £82,000Team: Platform Engineering TeamReporting To: Software Engineering Manager*At this time, we are not able to offer visa sponsorship for this role. We are committed to building a diverse, global team and our sponsorship policy is evaluated on a role-by-role basis. We encourage you to keep an eye on our careers site to stay informed about future opportunities where we are able to offer visa sponsorship.*Kaluza reimagines energy to bring net-zero within everyone’s reach. Our intelligent platform enables energy utilities to unlock the full value of a radically changing energy system and propel us to a future where renewable energy is sustainable, affordable and accessible for all.From automating and simplifying core operations including billing to create a lower-cost, higher-engagement experience, to optimising energy usage across smart devices in the home, we turn tough challenges into win-win-win outcomes for customers, suppliers and the energy system.At Kaluza we embrace a flexible, hybrid work model that balances autonomy with the power of in-person connection. Many of our teams find value in coming together regularly to collaborate, strengthen relationships, and accelerate progress. We’re focused on shaping thoughtful, team-driven approaches that support both business impact and individual well-being.We also prioritise meaningful company-wide gatherings like our annual conference and end-of-year celebrations, that bring us together to align, connect, and celebrate.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.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.Our tech stack is very fluid, but broadly you can find yourself working with:AWS, Kubernetes, Cilium, Hubble, Kyverno, Traefik, Cloudflare, Sealed secrets, Terraform, Helm, GitHub Runners, KEDA, KNative, ArgoCD, Datadog, Golang, Python, Crossplane, Karpenter, KafkaResponsibilities<ul><li>Engineering a scalable, reliable and developer friendly platform to promote seamless software development, deployment and operations.</li><li>Automation &amp; Tooling: Develop tools to abstract the complex aspects of the platform from developers to improve developer experience and operational efficiency.</li><li>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.</li><li>Monitoring &amp; 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.</li><li>Security: Incorporate security best practices and ensure compliance of the platform with industry standards.</li><li>Incident Management: Participate in out of hours on-call rota, help troubleshoot platform related incidents and implement post incident improvements to prevent recurrent issues.</li><li>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.</li></ul>About You<ul><li>Experience building and running production systems, with a focus on reliability and scalability.</li><li>Strong communication and collaboration skills — you enjoy solving complex problems as part of a team.</li><li>Hands-on experience with cloud platforms (AWS preferred, but GCP, Azure, or others also valuable).</li><li>Practical experience with Kubernetes in production (or a strong desire to gain it).</li><li>Solid foundational knowledge of distributed systems.</li><li>Familiarity with modern delivery practices — CI/CD, GitOps, and Infrastructure as Code.</li><li>An appreciation for the Site Reliability Engineering mindset and practices.</li><li>Curious and motivated to continuously learn, share knowledge, and improve systems.</li></ul>Why might this role not suit you?We are going through a period of significant evolution which is exciting and with it brings lots of opportunity and challenging work, which is not for everyone. To be successful in this role, you will be excellent at operating in ambiguous, changing environments, balancing multiple priorities simultaneously and get enjoyment from making the complex, simple.&nbsp;Our Engineering Interview ProcessInitial call with our Talent Acquisition team (30 minutes)This short call is designed to tell you more about Kaluza and the specific team you’ll be joining, as well as to ensure that the role is the right fit for youFirst stage interview (1 hour minutes)This interview will be with a hiring manager from one of our engineering teams, this interview will cover both mindset and technical questions. We will also incorporate a 15 coding exercise, so have your screen ready to do some coding&nbsp;Final Interview Loop (3 hours)Three hours sounds like a long time, but we don’t expect all of these to be completed across one day, but we can support that if you so wish, the three sessions cover the following:<ul><li>Behavioural - We use behavioural interviews to understand how you collaborate, solve problems, and build value for customers through real-world examples.&nbsp;</li><li>System Design - Our system design interview explores how you approach complex, high-scale problems — from handling real-time data to building reliable, secure, and scalable systems.</li><li>Pairing - Our pairing interview focuses on problem-solving, clean code, and real-time collaboration — you'll work through a practical task with one of our engineers.</li></ul>Kaluza ValuesHere at Kaluza we have five core values that guide us as a business:&nbsp;We’re on a mission, We build together, We’re inclusive, We get it done, We communicate with purpose.Read more about our <a href="https://careers.kaluza.com/our-values">values over on our careers site.</a>From us you’ll get<ul><li>Pension Scheme</li><li>Discretionary Bonus Scheme</li><li>Private Medical Insurance + Virtual GP</li><li>Life Assurance</li><li>Access to Furthr - a Climate Action app</li><li>Free Mortgage Advice and Eye Tests</li><li>Perks at Work - access to thousands of retail discounts</li><li>5% Flex Fund to spend on the benefits you want most</li><li>26 days holiday</li><li>Flexible bank holidays, giving you an additional 8 days which you can choose to take whenever you like</li><li>Progressive leave policies with no qualifying service periods, including 26 weeks full pay if you have a new addition to your family&nbsp;</li><li>Dedicated personal learning and home office budgets</li><li>Flexible working — we trust you to work in a way that suits your lifestyle</li><li>And more…</li></ul>Even better? You’ll have access to these benefits from day 1 when you join.We want the best peopleWe’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 <a href="http://kaluza.com/">Kaluza</a> on our <a href="https://careers.kaluza.com/">careers page</a> and <a href="https://www.linkedin.com/company/kaluza/">LinkedIn</a>.&nbsp;

Platform Engineer

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About the Company

Kaluza

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