Hamiltonian Dynamics works across Defence and Cyber Security, delivering high-assurance software systems for critical environments. As we continue to grow, we’re looking for Test Engineers to help ensure the quality, reliability, and security of our platforms and applications.
Requirements
As a Test Engineer at Hamiltonian Dynamics, you will play a key role in ensuring our software meets high standards of quality and reliability. You’ll work closely with software and platform engineers throughout the development lifecycle, shaping testing approaches and embedding quality into delivery.
We welcome candidates with varied backgrounds and levels of experience - strong testing fundamentals, curiosity, and a pragmatic mindset matter more than familiarity with every tool.
What You'll Do
Design and execute manual and automated tests across complex systems
Build and maintain test frameworks and automation suites
Carry out exploratory testing to identify risk and edge cases
Work closely with engineers to improve testability and quality
Contribute to continuous improvement of testing practices and tooling
Skills & Experience
Experience in one or more of the following, with a willingness to learn:
- Programming or scripting in Java, Python, JavaScript, or TypeScript
- Testing web applications built with Angular, React, or Vue
- Automated testing tools such as Robot Framework, Cypress, or Cucumber
- Experience creating or extending test frameworks
- Exploratory and risk-based testing techniques
- Familiarity with Docker, Kubernetes, and cloud platforms (AWS and/or Azure)
- Exposure to modern stacks such as MERN, Elasticsearch, or Neo4J
Security & Location Requirements
- UK citizen with at least 10 years UK residency
- Must already hold high-level UK security clearance
- Willing to travel to customer sites in Cheltenham
Benefits
- Salary band: £40,000-75,000, depending on experience (we may consider more junior or more senior outside this range for the right candidate)
- 10% clearance bonus
- 25 days annual leave plus bank holidays
- Buy or sell up to 5 days leave per year
- 8% employer pension contribution
- BUPA health cover
- Life cover of 4× salary
- EV car scheme via salary sacrifice
- EMI share scheme
- Flexible working and flexi-time
- 10 days per year training allowance
Every employee has an individual training and career development plan. We recognise that everyone learns differently and we actively support long-term growth.
Our Process
We keep things straightforward and human:
- A 30-minute introductory chat with our recruiter, Sarah
- A 1-hour Microsoft Teams interview or on-site interview with two members of the team
- An informal conversation with two of our Founders
We believe open, organic conversations are the best way for both sides to decide if the role is the right fit.
Skills Required
- Experience with Java, Python, or JavaScript
- Familiarity with Angular, React, or Vue
- Knowledge of Docker and Kubernetes
- Experience with AWS or Azure
- History of exploratory testing and framework creation
What We Do
At Hamiltonian Dynamics we have a secure by design engineering mindset built into the core of our company. Our team has a track record of delivering secure, high performance, big impact mission critical software for multiple government departments via early and incremental agile delivery methods. We provide hands on experience-based design consultancy, implementation and integration services that meet our customers bespoke and highly secure needs. We design and deploy the right thing in the right way first time. Our team provide support from discovery phase engagement on new products, secure design, development, test and transition to operations We offer deep specialisation in: Requirement and Business Analysis Architecture and Design Software Engineering Testing and Automation Frameworks DevOps and Support Business Change
