Senior Platform Engineer: Scale Reliability & Observability

Ocean Infinity; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Ocean Infinity seeks a Senior Platform Engineer to design, operate and evolve the systems, tooling and infrastructure that support software delivery and platform operations. You will own platform components and provide hands-on support to engineering teams to build, deploy and run services reliably at scale.

You will improve internal tooling, strengthen observability and operational practices, and ensure teams have self-service capabilities to confidently manage their services.

Qualifications

• You have a degree in Computer Science, Engineering, or a related field, or equivalent hands-on experience.
• You bring 5+ years of experience in Platform Engineering, SRE, DevOps or infrastructure-focused software development.
• You have strong experience with Cloud environments (Azure preferred) and understand cloud networking, identity, compute & storage.
• You have deep, hands-on experience operating Kubernetes in production – including deployments, troubleshooting, networking & day-to-day operations.
• You are comfortable running & operating containerized services at scale.
• You work confidently with infrastructure-as-code to automate deployments, environments and operational workflows.
• You have experience owning, building and maintaining CI/CD pipelines, internal tooling or automation that supports development operations.
• You’re comfortable troubleshooting issues across distributed systems, networking, containers and cloud services.
• You have a strong understanding of monitoring, logging, tracing and alerting and appreciate the value of observability.

Responsibilities

• Design and evolve core platform systems, and contribute to architecture & implementation strategy of cloud, Kubernetes, CI/CD & internal tooling foundations.
• Drive High-impact Platform Improvements, delivering enhancements across infrastructure, deployments & automation to improve reliability, scalability & performance.
• Build for resilience and efficiency, develop platform capabilities that are secure, fault-tolerant & easy for product teams to adopt.
• Enhance developer productivity by creating internal tools, services & workflows that reduce friction and speed up build, test and deployment.
• Strengthen observability and operations with monitoring, logging & alerting to ensure visibility and fast incident response.
• Collaborate across teams to support new features, troubleshoot integration issues & ensure services run reliably on the platform.
• Evaluate and introduce new technologies to improve delivery speed, reliability and developer experience.
• Promote platform standards and best practices to establish secure, scalable, and well-operated services.

Skills

Platform engineering

SRE

DevOps

Cloud computing

Kubernetes

CI/CD automation

Infrastructure as Code

Observability

Networking

Containerization

Education

Bachelor's degree in Computer Science or related field

Tools

Terraform

GitOps

Docker

Job description

Ocean Infinity seeks a Senior Platform Engineer to design, operate and evolve the systems, tooling and infrastructure that support software delivery and platform operations. You will own platform components and provide hands-on support to engineering teams to build, deploy and run services reliably at scale.

You will improve internal tooling, strengthen observability and operational practices, and ensure teams have self-service capabilities to confidently manage their services.