Security Cleared Software Engineer

Salary: £85,000 - 85,000 per year

Requirements:

• We need commercial software engineering or application development experience.
• We need strong experience with React.
• We need strong JavaScript and/or TypeScript development skills.
• We need experience developing applications or services using Node.js.
• We need experience with Java and Spring Boot.
• We need experience with state-management technologies such as Redux.
• We need experience building and consuming APIs and microservices.
• We need experience working with Docker and containerised applications.
• We need knowledge of Helm and container deployment processes.
• We need experience using Jenkins or a comparable CI/CD platform.
• We need experience with Ansible for deployment or configuration automation.
• We need experience working in UNIX or Linux environments, including shell scripting.
• We need experience with MongoDB or similar NoSQL databases.
• We need knowledge of Redis.
• We need experience working with messaging technologies such as RabbitMQ.
• We need understanding of software development best practices, including version control, automated testing and code reviews.
• We need the ability to work effectively as part of a multidisciplinary Agile development team.
• We need active SC clearance.
• Previous experience working within defence, aerospace, government or another security-sensitive environment is desirable.
• Knowledge of Kubernetes or container orchestration environments is desirable.
• Experience developing highly available or mission-critical software systems is desirable.
• Understanding of secure software development principles is desirable.
• Experience working on cloud-hosted or distributed applications is desirable.
• Familiarity with automated testing frameworks and test-driven development is desirable.
• Experience supporting software throughout development, deployment and live-service operation is desirable.
• We need strong analytical and problem-solving skills.
• We need the ability to communicate technical information clearly.
• We need comfort working with different technical teams and stakeholders.
• We need a proactive approach and ownership of assigned work.
• We need strong attention to detail.
• We need the ability to work effectively within a secure and process-driven environment.

Responsibilities:

• We design, develop and maintain secure, reliable software applications.
• We build responsive front-end applications using React, JavaScript and TypeScript.
• We develop and maintain back-end services using Node.js and Java Spring Boot.
• We use Redux to manage application state effectively.
• We design, build and integrate RESTful APIs and microservices.
• We develop solutions using MongoDB, Redis and other data-storage technologies.
• We integrate applications with messaging technologies such as RabbitMQ.
• We containerise applications and services using Docker.
• We support the deployment and management of applications using Helm.
• We create and maintain automated CI/CD pipelines using Jenkins.
• We use Ansible to automate application deployments and infrastructure configuration.
• We produce and maintain UNIX shell scripts to support automation and operational activities.
• We troubleshoot software defects, deployment issues and application performance problems.
• We participate in code reviews, testing and continuous improvement activities.
• We produce clear technical documentation, including build instructions, support documentation and release notes.
• We work collaboratively with software engineers, technical architects, testers, DevOps engineers and other programme stakeholders.
• We follow secure coding practices and development standards appropriate for a defence environment.
• We contribute to Agile ceremonies, including sprint planning, stand-ups, reviews and retrospectives.

Technologies:

• Ansible
• CI/CD
• Cloud
• DevOps
• Docker
• Helm
• Support
• Java
• JavaScript
• Jenkins
• Kubernetes
• Linux
• MongoDB
• NoSQL
• RabbitMQ
• React
• Redis
• Redux
• Security
• Spring
• Spring Boot
• TypeScript
• Unix
• microservices
• NodeJS

More:

We are hiring experienced Software Engineers for a permanent role in Manchester, with a hybrid working pattern of 3 days per week onsite. This is an opportunity to join a major programme within a secure defence environment, working on complex, business-critical software applications using a broad modern technology stack. The salary is £75,000 - £85,000. We offer the chance to contribute across the full software development lifecycle in a collaborative, multidisciplinary team, with a strong focus on secure coding, Agile delivery and continuous improvement.

last updated 35 week of 2026