Defence, Cyber & Intelligence | DV Clearance Required

We’re looking for Senior Software Engineers to join our growing team in Gloucester, working on high-impact Defence, Cyber and Intelligence programmes. If you want to build secure, innovative software that helps protect critical national capabilities—this is the opportunity.

You’ll work with modern DevSecOps practices, contribute to state-of-the-art applications, and have the flexibility of hybrid working and a 4-day flex schedule. Whether you specialise in one area or enjoy working across multiple domains, we’ll support your development and career growth.

What You’ll Do:

• Develop and maintain secure software under the guidance of a Software Engineering Lead

• Design and build tests for debugging and validation

• Translate complex requirements into effective, scalable solutions

• Investigate and resolve software defects

• Produce technical documentation and operating instructions

• Analyse system behaviour and performance

• Drive automation across IaC, CI/CD and testing

What We’re Looking For:

• Strong Java skills (Python, C++, JavaScript, TypeScript or React are a bonus)

• Experience developing on Linux

• Knowledge of unit testing frameworks such as JUnit 5

• Git and Agile/Scrum experience

• Experience with relational or document databases (Oracle, MongoDB)

• GitLab CI/CD, Apache NiFi, Bitbucket/Jira/Confluence

• Elasticsearch, Kibana and Hibernate

• AWS experience (EC2, EKS, Fargate, IAM, S3, Lambda)

• Cloud-focused CI/CD pipelines

Nice to Have:

• AWS cloud development experience

• Microservices or serverless architecture experience

• Knowledge of cloud migration challenges

• JSF (PrimeFaces)

Useful Certifications:

Oracle Java | AWS | ISTQB | OSCP | CCNA

Security Clearance:

DV clearance is required to start.

If you're passionate about building secure, modern software and want to work on projects that genuinely matter, we’d love to hear from you. Even if you don’t meet every requirement, please apply—your skills and perspective may be exactly what we need.