Cyber Software Engineer in Sheffield, South Yorkshire

Job Overview

We are seeking an experienced Software Engineer to join the Cyber Security Strategic Engineering team, developing and supporting software solutions that underpin a large-scale cyber data platform and its associated engineering services.

The role will focus initially on managing API demand and onboarding into the cyber data lake using Kong, alongside automating DevOps workflows and change/request management processes. You will also contribute to wider cloud engineering, platform development and security initiatives.

Key Responsibilities

• Design, develop, test and maintain backend services, APIs and automation solutions.

• Build and support cloud-based solutions across AWS and/or Azure.

• Develop and maintain Infrastructure as Code using Terraform.

• Design and manage CI/CD pipelines, build agents and deployment automation.

• Automate DevOps workflows, improving efficiency, control and auditability.

• Manage API onboarding, access and lifecycle processes using Kong.

• Apply secure engineering practices, including secrets management and access controls.

• Support production services through monitoring, troubleshooting and continuous improvement.

• Produce technical documentation and collaborate across Cyber Security, Data Engineering and Platform teams.

Essential Skills & Experience

• Strong software development experience in Java, C#, .NET or Python, with the ability to learn Go.

• Good understanding of software engineering principles, design patterns, SOLID and code quality.

• Experience with AWS and/or Azure cloud environments.

• Hands-on experience with Terraform and Infrastructure as Code.

• Strong DevOps experience, including CI/CD pipelines, pipeline-as-code and build/deployment automation.

• Understanding of TDD/BDD, automated testing and secure development practices.

• Knowledge of secrets management, cloud networking and security controls.

• Experience working in environments where security, governance and auditability are important.

Desirable Experience

• Kong API Gateway and API lifecycle management.

• API security, including OAuth2, JWT, mTLS and access controls.

• Data platforms, data lakes, Databricks, Spark or distributed processing.

• Cyber Security or security engineering environments.

• Strong cloud engineering and ownership of DevOps pipelines.

Personal Attributes

• Strong engineering mindset with a focus on quality, security and reliability.

• Proactive approach to problem-solving and continuous improvement.

• Able to take ownership of solutions from development through to production support.

• Excellent collaboration and communication skills.