Cyber Platform Engineer

Location: Sheffield (60% onsite / 40% remote)

IR35: Inside IR35

We're looking for an experienced Cyber Platform Engineer to join a high-performing Cyber Security Engineering team, building the platforms, automation, and services that underpin critical cyber security capabilities.

This role is ideal for a software engineer first, with strong development experience and a passion for building production-grade systems. You'll work across backend engineering, cloud platforms, automation, and Dev Ops practices, developing scalable solutions that support cyber security and data engineering teams.

• Design, develop, and maintain backend services, APIs, and engineering tools.
• Build production-quality software using Python.
• Apply engineering best practices including SOLID principles, design patterns, testing, and code reviews.
• Develop scalable, secure, and maintainable applications.
• Produce technical documentation and contribute to engineering standards.
• Deploy and support services within AWS or Azure environments.
• Implement Infrastructure as Code using Terraform.
• Build secure integrations and support cloud-native architecture patterns.
• Support platforms used by Cyber Security and Data Engineering teams.

• Build and maintain CI/CD pipelines.
• Implement monitoring, alerting, and observability solutions.
• Troubleshoot production issues and support operational environments.
• Continuously improve platform reliability, performance, and security.
• Strong software engineering background with significant hands-on development experience.
• Python
• Go
• Experience building APIs, microservices, and backend services.
• Strong understanding of software architecture, design patterns, and engineering best practices.
• Experience with automated testing including unit, integration, TDD, or BDD approaches.
• Cloud experience within AWS and/or Azure.
• Infrastructure as Code experience using Terraform.
• Experience with CI/CD pipelines and modern Dev Ops practices.
• Strong troubleshooting and operational support capabilities.

We're seeking engineers who come from a software development background first, with cloud, Dev Ops, and platform skills complementing their engineering expertise. You'll be someone who takes ownership of quality, security, and reliability while collaborating effectively across engineering, security, and platform teams.