Principal Platform Engineer

London Source: WhatJobs

£120,000–£160,000

Define and evolve the technical strategy, architecture, and roadmap for an AWS cloud platform
Design and build scalable, secure, resilient, and reusable platform capabilities
Develop self-service tooling and services to improve developer productivity
Drive automation across infrastructure, application delivery, operational processes, and platform management
Establish platform standards, engineering patterns, and best practices
Improve platform reliability, scalability, performance, observability, and operational efficiency
Reduce engineering friction and accelerate software delivery
Establish engineering principles and guardrails for security, reliability, and governance
Lead complex platform initiatives from discovery and architectural design through implementation and operational adoption
Influence engineering teams and senior stakeholders on platform strategy and technology choices
Mentor and develop engineers and promote strong platform engineering practices
Champion automation, ownership, continuous improvement, and operational excellence

Requirements

Significant experience designing and operating internal developer platforms at scale
Experience building reusable platform services, tooling, and self-service capabilities
Experience applying platform-as-a-product principles
Experience establishing standards and paved-road approaches
Experience designing highly available, scalable, and resilient cloud-native architectures
Strong understanding of cloud infrastructure, distributed systems, networking, identity, and security
Experience making architectural trade-offs across reliability, scalability, performance, cost, and developer experience
Experience with Infrastructure as Code and automated cloud provisioning
Experience with CI/CD and automated software delivery
Experience automating operational processes and platform lifecycle management
Experience establishing repeatable, standardised engineering workflows
Experience designing for resilience, fault tolerance, observability, and operational excellence
Experience applying SRE principles and practices
Experience in performance analysis, capacity planning, scalability engineering, and proactive reliability improvement
Experience establishing service-level objectives, monitoring, alerting, and operational practices
Experience providing technical leadership across multiple engineering teams or a wider engineering organisation
Ability to influence architecture and technical direction without relying solely on organisational authority
Experience leading complex technical initiatives and driving decisions through ambiguity
Experience mentoring senior and developing engineers and creating a culture of knowledge sharing and technical excellence

Core Competencies

Demonstrates expertise in designing and operating scalable, secure, and resilient AWS cloud platforms while applying platform-as-a-product principles. Proven ability to lead complex technical initiatives, mentor engineers, and establish best practices for operational excellence and automation.

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