Platform Engineer (C3)

Job title: Platform Engineer
Team: Platform Engineering
Reporting to: Elinor Ni Chathain (Engineering Manager)
Location: London, Bristol or Edinburgh
Level: C3
This role is based in the UK and requires an existing right to work in the UK. 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 is the Energy Intelligence Platform, turning energy complexity into seamless coordination. We help energy companies overcome today’s challenges while accelerating the shift to a clean, electrified future.
Our platform orchestrates millions of real-time decisions across homes, devices, markets and grids. By combining predictive algorithms with human-centred design, Kaluza makes clean energy dependable, affordable and adaptive to everyday life.
With teams across Europe, North America, Asia and Australia, and a joint venture with Mitsubishi Corporation in Japan, we power leading companies including OVO, AGL and ENGIE, as well as innovators like Volvo and Volkswagen.
What will I be doing?
You’ll play a pivotal role in evolving and elevating our internal developer platform to empower our software teams. Beyond day-to-day platform engineering, you'll take ownership of technical decisions, drive best practices across teams, eliminate complex infrastructure toil, reinforce enterprise security safeguards, and optimize cloud operations at scale.

• Engineering Foundations: Design and build a scalable, reliable, and developer-friendly platform that sets the standard for seamless software development and operations.

• Automation & Tooling: Drive self-service tooling and abstractions to hide platform complexity from developers, drastically improving developer experience and team velocity.

• Infrastructure as Code: Lead the use of Terraform, Helm, and Crossplane to automate provisioning and champion GitOps best practices across all cloud infrastructure.

• Monitoring & Observability: Establish robust monitoring, logging, and tracing foundations in close collaboration with the wider Site Reliability Engineering function.

• Security & Reliability: Embed automated security controls, ensure compliance, and participate in the out-of-hours on-call rota to troubleshoot and solve complex, systemic issues.

• Technical Leadership & Collaboration: Mentor engineers in the team, foster strong relationships with internal stakeholders to coordinate technical upgrades, and hold service providers accountable.

About You
Ideally you’ll have:

• Strong experience designing, building, and operating production applications at scale.

• Excellent technical leadership, communication, and collaboration skills with a passion for mentoring others.

• Deep expertise with cloud platforms like AWS (preferred), Google Cloud, or Azure.

• Hands-on experience architecting, managing, and maintaining production Kubernetes clusters.

• A deep understanding of distributed systems and resiliency patterns.

• Proven expertise with CI/CD pipelines, GitOps patterns, and Infrastructure as Code technologies.

Where you'll work
We offer flexible working, with a requirement of 3 days a week in the office. This gives us the best of both: real time together to collaborate and build relationships, with the flexibility to work in the way that suits you best the rest of the week.
What will happen next?
Feel free to contact a member of the to discuss the role. More info can be found in our Internal Recruitment Policy .

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Source: Arbeitnow (https://www.arbeitnow.co.uk/jobs/companies/kaluza/platform-engineer-c3-edinburgh-138464)