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Senior Test Engineer - HMRC - SEO

Government Digital & Data -

Full-time (Permanent)
£45,544 - £49,523
Published on
16 October 2025
Deadline
29 October 2025

Location

Bristol Regional Centre - 3 Glass Wharf
Cardiff Regional Centre - Ty William Morgan
Edinburgh Regional Centre - Queen Elizabeth House
Manchester Regional Centre - Three New Bailey
Telford - Plaza 1 and 2
Worthing - Teville Gate House

About the job

Job summary

Discover a career in your hands at HMRC. Whether you're seeking purpose, growth, or a workplace that gives you a true sense of belonging, hear from some of our employees as they share their story about what it’s really like to work at HMRC.

   

Visit our YouTube channel to watch the full series and come and discover your potential.

HMRC is made up of Customer Groups which are working independently towards one common goal. Our role sits within HMRC’s Chief Digital & Information Office (CDIO) Group that deliver in-house solutions for a broad range of technical and operational issues. Our digital delivery centres are hi-tech, state-of-the-art facilities that allow our teams to maximise their capabilities.

CDIO values and empowers the growth of its people and offers the “CDIO University”. This is a one stop shop for all things learning and development. The comprehensive offer encompassing academic, personal and career related opportunity and learning, ensuring all receive a consistent approach to technical learning. This includes access to subject matter experts, technical learning, professional communities, academies, apprenticeships, talent schemes as well as providing, delivering, encouraging and supporting activities for personal growth and wellbeing.

Job description

As a member of our QAT (Quality Assurance Testing) Profession you will be part of a large community of Testers that collaborate with Product Owners, Developers, Architect and Business Analysts as part of your role to enable HMRC customers to have access to the tools they need to ensure tax compliance by leading on testing as well as competing exploratory testing as part of a broader risk-based approach.

We have an inclusive environment and have clear pathways in place to support and build on the roles within the Profession through the use of learning journeys, learning platforms, career journeys and skills assessments. These all work together to allow you to take ownership of your own development and career progression with HMRC as well as supporting you in your daily challenges. Along with this we also have an Academy in place to allow you to find everything to support your needs in an easily accessible format.

As a Senior Test Engineer within CDIO, Borders and Trade you will be responsible for building PVT (Performance & Volumetric Testing) capability and managing PVT and OAT (Operation Acceptance Testing) for cloud-based systems within CDIO B&T. This is technical testing requiring a wide technical breadth.

A Senior Test engineer has similar responsibilities to a test engineer but at a more complex level and on a greater scale. At this role level, you will:

• Identify and raise awareness of risks arising from the automation PVT test results.

• Identify new and implement existing test frameworks to improve confidence in testing.

• Be proficient in a range of coding languages (you may be an expert in only one).

• Mentor and advise other team members in testing practices.

Person specification

As a Senior Test Engineer within CDIO Borders and Trade, you will be required to undertake a broad range of tasks in relation to the Performance Testing of applications; this will include:

• The development and maintenance of Performance Test artefacts as well as the coordination of maintenance activities for existing Performance Test environments.

• Identify and document data requirements to facilitate data generation.

• Reviewing and analysing requirements and specifications to define comprehensive test scenarios and conditions.

• Provide guidance to projects/enhancements on the requirement for Performance Testing against relevant applications with estimates and plans of PVT required.

• The ability to undertake any Performance Testing required on applications under the direction of the Demand Management, an assigned Project/Technical Delivery Manager, or an assigned Test Manager.

• Supporting the development of an in-house PVT capability and need to be willing and able to advise and train others.

Essential Criteria

The successful candidate will need to demonstrate practical knowledge and experience in the following

• Significant relevant experience in a Performance Test Analyst role, either with a private sector organisation or within the public sector following an Agile methodology.

• Ability to extract, analyse and define the scope and requirement for Performance Testing.

• Experience of planning, designing, developing, executing, analysing and reporting Performance Tests, with experience in preparing a workload model, creating Performance Test plans, test conditions, test cases and test data to then execute the performance test and monitor server behaviour during performance execution based on the PVT scope.

• Ability to prepare and share performance execution reports, server behaviour analysis based on different input scenarios, identify bottlenecks and suggest improvement areas.

• Experience with tools JMeter, Jenkins and GitLab.

• Experience with monitoring tools AppDynamics/Dynatrace, Grafana and Prometheus.

• Experience of writing code in one or more general purpose programming languages such as Python, Java or C#.

• Experience of using Windows/UNIX/Linux/Database performance monitors.

• Knowledge and experience in the use of best practice/methods for the analysis and resolution of system defects and testing related issues.

Desirable Criteria

Ideally, the successful candidate will also demonstrate knowledge and experience in the following:

• Experience of evaluating tools by doing Proof of Concepts.

• Appreciation of Quality Assurance and Configuration Management and its importance.

• Qualified at ISTQB Certified Tester Foundation Level or ISEB Foundation Certificate in Software Testing – or prepared to work towards a relevant qualification.

Transitional Sites Information

If your location preference is for one of the following sites, it’s important to note that these are not long-term sites for HMRC and we will require you to move to a new building in the future, subject to our location strategy and the applicable employee policies at that time.

For more information on where you might be working, review this information on our locations (opens in a new window)

These sites are:

  • Telford Plaza, Telford - moving to Parkside Court, Telford

 You will be given more information about what this means at the job offer stage.

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