Test Engineer

Hamiltonian Dynamics; Cheltenham; On-site; GBP 40,000 - 75,000; Full time

Benefits offered by this job

10% clearance bonus

25 days annual leave

BUPA health cover

Flexible working and flexi-time

Training allowance of 10 days per year

Job summary

A defense and cyber security firm in Cheltenham is seeking Test Engineers to ensure the quality, reliability, and security of their platforms and applications. You will design and execute manual and automated tests across complex systems and work closely with engineers to improve testability. Candidates should have programming experience in languages such as Java or Python, and familiarity with testing tools. A high-level UK security clearance is required, and the salary ranges from £40,000 to £75,000 depending on experience.

Qualifications

• Experience in programming or scripting languages such as Java, Python, JavaScript, or TypeScript.
• Familiarity with automated testing tools and frameworks.
• Proficient in exploratory and risk-based testing techniques.

Responsibilities

• Design and execute manual and automated tests across complex systems.
• Build and maintain test frameworks and automation suites.
• Conduct exploratory testing to identify risk and edge cases.

Skills

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

Exploratory and risk-based testing techniques

Familiarity with Docker, Kubernetes, and cloud platforms (AWS and/or Azure)

Tools

Robot Framework

Cypress

Cucumber

Job description

Overview

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.

Responsibilities

• 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:

1. A 30-minute introductory chat with our recruiter, Sarah
2. A 1-hour Microsoft Teams interview or on-site interview with two members of the team
3. 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.