Senior Site Reliability Engineer

Salary: £58,000 - 98,000 per year

Requirements:

• Extensive experience designing, operating and troubleshooting Kubernetes in production environments.
• Strong understanding of cloud-native architectures, distributed systems and modern infrastructure.
• Experience operating Amazon Web Services and Kubernetes-based platforms at scale.
• Experience designing secure, resilient and highly available production environments.
• Strong understanding of Kubernetes architecture, networking, storage, security and workload scheduling.
• Experience managing platform lifecycle activities including upgrades, maintenance and operational readiness.
• Strong automation mindset with Infrastructure as Code and configuration as code.
• Experience applying software engineering principles to infrastructure and operations.
• Experience designing reusable solutions that can be adopted consistently across multiple engineering teams.
• Strong understanding of observability, including metrics, logs, traces and operational insights.
• Experience integrating security, governance and compliance into technical solutions.
• Experience supporting production environments, incident response and continuous service improvement.
• Good understanding of modern software delivery practices and engineering automation.
• Excellent analytical, troubleshooting and communication skills.
• Experience designing and operating engineering services consumed by multiple independent teams.
• Experience building secure-by-default environments with automated guardrails.
• Experience creating self-service capabilities with clearly defined ownership boundaries.
• Experience establishing engineering standards and reference architectures.
• Experience driving standardisation while balancing flexibility and team autonomy.
• Experience improving developer experience without compromising security or reliability.
• Experience reducing operational complexity through automation and simplification.
• Experience using data and operational metrics to drive continuous improvement.
• Experience evaluating new technologies pragmatically and introducing them where they provide measurable value.
• Experience mentoring engineers and fostering a strong engineering culture.
• Experience working in environments where reliability, security and operational excellence are fundamental engineering outcomes.

Responsibilities:

• Operate and improve our central Amazon EKS platform, including day-2 operations, lifecycle management, upgrades and platform support.
• Help establish the central Kubernetes platform service and support the transition of platform ownership and operational responsibility into our dedicated Cross-Functional / SRE team.
• Help provide a secure, self-service Kubernetes platform with automated guardrails so development teams can deploy and ship applications without managing the underlying infrastructure.
• Contribute to consistent platform standards across cluster configuration, monitoring, networking, security controls and lifecycle management.
• Support a sustainable 24x7 operational model for Kubernetes and related platform services in scope, including Kubernetes, GitHub Enterprise, Azure DevOps, JFrog and Elastic.
• Build and maintain automation, Infrastructure as Code and reusable platform patterns that reduce manual effort and improve reliability.
• Improve platform observability by supporting monitoring, logging, alerting and operational visibility across shared Kubernetes services.
• Help drive stronger security and compliance through consistent guardrails, governance and automated controls.
• Work closely with development squads to support onboarding, platform adoption and day-to-day usage of the central platform.
• Contribute to incident response, root-cause analysis and continuous improvement of platform reliability and support quality.
• Share knowledge, document standards and help establish the central SRE Platform Team as the accountable owner for shared platform services in scope.

Technologies:

• Azure
• Cloud
• DevOps
• GitHub
• Support
• JFrog
• Kubernetes
• Security
• Web

More:

We are RWE Supply & Trading GmbH, the interface between RWE and the energy markets around the world. Approximately 2,000 employees from over 50 different countries trade renewable electricity, green gas, commodities and CO2 emission allowances, and our trading entity also ensures the commercial optimisation of RWEs power plant dispatch and markets electricity from renewables. We are establishing a central Site Reliability Engineering capability to own, operate and continuously evolve Kubernetes across RWE Supply & Trading. Joining our SRE team means becoming part of the engineering organisation responsible for one of our core technology capabilities, with the opportunity to influence how Kubernetes is designed, operated and continuously improved at enterprise scale. We offer the chance to help establish the central Kubernetes capability across RWEST, design and evolve a modern engineering service with long-term ownership, work on large-scale cloud-native environments supporting multiple engineering teams, and solve challenging problems across automation, reliability, security and operations. You will work alongside experienced engineers who value ownership, collaboration and technical excellence, while continuing to develop your expertise and help shape the future of cloud-native engineering across RWEST.

last updated 34 week of 2026