Senior Software Testing Engineer

Are you passionate about quality engineering and ensuring software is secure, reliable, and built to the highest standards?
Do you enjoy working with modern automation frameworks, influencing engineering best practice, and solving complex technical challenges alongside talented multidisciplinary teams?
About Our Client  Our client is a leading technology consultancy delivering secure, mission-critical solutions to the UK Government and Defence sector. Their work supports some of the nation's most important programmes, helping government departments make critical decisions that strengthen the UK's security and prosperity.
Every project delivers real-world impact, giving engineers the opportunity to work on challenging problems while contributing to the UK's national security.
This is more than just software testingit's an opportunity to help deliver technology that matters.

The Role  As a  Senior Test Engineer  , you'll become part of a small, agile delivery team responsible for assuring the quality of secure, mission-critical software throughout the entire development lifecycle.
Working closely with software engineers, Dev Ops specialists, architects, and product teams, you'll champion quality from the earliest stages of development, ensuring testing is embedded throughout modern CI/CD pipelines.
You'll have the opportunity to influence engineering standards, improve automation frameworks, and contribute to the continuous evolution of testing practices across multiple high-impact projects.
Design, develop, and maintain automated test frameworks for UI, API, and end-to-end testing.
Deliver both manual and automated testing across complex software solutions.
Embed quality engineering practices throughout the Software Development Lifecycle.
Work within Agile teams using modern engineering approaches including TDD, BDD, ATDD, and Continuous Testing.
Design and execute functional, integration, regression, and exploratory testing.
Perform non-functional testing including performance, security, accessibility, and Operational Acceptance Testing (OAT).
Collaborate with developers and Dev Ops engineers to ensure quality is integrated into CI/CD pipelines.
Contribute to improving QA processes, automation frameworks, tooling, and engineering standards.
What We're Looking For  We're looking for experienced Test Engineers who enjoy tackling complex technical challenges and continuously improving the way software is delivered.
Strong commercial experience in both manual and automated software testing.
Strong understanding of Agile delivery methodologies.
Experience integrating automated testing into CI/CD pipelines.
Knowledge of API, UI, integration, and end-to-end testing.
Experience working collaboratively within multidisciplinary engineering teams.

Experience with technologies such as
Experience across cloud environments, Dev Ops practices, and modern software delivery pipelines would also be beneficial.
Security Clearance  Due to the highly sensitive nature of the projects,  current UK Developed Vetting (DV) Clearance is essential  for this position.
You'll become part of an organisation that invests heavily in its people while working on projects that genuinely make a difference.
Hybrid working with offices in  Bristol, Cheltenham, and Manchester
Flexible working (Flexitime)
Dedicated Career Coach and personalised development support
Continuous training and professional development
Employee Assistance Programme and 24/7 wellbeing support
Regular social events, annual away days, and company celebrations
A collaborative, inclusive engineering culture where innovation and continuous improvement are encouraged
Diversity & Inclusion  Our client is proud to be an Equal Opportunities and Disability Confident employer.
Reasonable adjustments are available throughout the recruitment process, and candidates with disabilities or long-term health conditions who meet the essential criteria will be offered an interview in line with the Disability Confident scheme.
If you're a DV-cleared Senior Test Engineer looking to work on technically challenging projects that have a genuine impact on UK national security, we'd love to hear from you.
Using a variety of technologies, with a focus on open-source tools and frameworks.
Manual & automation software testing.
Working with Dev Ops and agile methodologiesTDD, BDD, ATDDand continuous testing through CI/CD pipelines, with manual/exploratory testing when needed.
We typically work with technologies like Selenium, Cypress.

Sharing new ideas with the QA team and helping improve our test frameworks and processes.
Conducting non-functional testing, covering areas like Security, Performance, Accessibility, and Operational Acceptance Testing (OAT).
Their benefits package reflects how much they care about their people:
WELLBEING  Free 24/7 counselling helpline and employee assistance programme.
WORK YOUR BEST  City-centre offices across the UK, with flexitime…