Senior Test Engineer

HM REVENUE & CUSTOMS; Cardiff; On-site; GBP 40,000 - 60,000; Full time

Job summary

A government agency in Cardiff is seeking a Performance Test Analyst to build and manage their Performance Testing capability for cloud-based systems. The role involves mentoring others, implementing test frameworks, and documenting requirements. Ideal candidates have significant experience in Performance Testing, particularly in Agile environments, and are proficient with tools like JMeter and GitLab.

Qualifications

• Significant experience as a Performance Test Analyst, preferably in Agile.
• Proficiency in preparing performance execution reports and analyzing server behavior.
• Experience in creating test plans and workload models.

Responsibilities

• Identify risks from PVT test results.
• Implement test frameworks for improved confidence in testing.
• Mentor team members in testing practices.
• Document data requirements for data generation.

Skills

Performance Testing

Coding in Python, Java or C#

Agile methodology

JMeter

GitLab

AppDynamics

Dynatrace

Grafana

Prometheus

Analyzing server behavior

Education

ISTQB Certified Tester Foundation Level

ISEB Foundation Certificate in Software Testing

Tools

JMeter

Jenkins

GitLab

AppDynamics

Dynatrace

Grafana

Prometheus

Job description

About the role

Discover a career in your hands at HMRC. Our QAT (Quality Assurance Testing) Profession is part of the Chief Digital & Information Office (CDIO) Group, delivering in‑house solutions for a broad range of technical and operational issues. The role sits within CDIO B&T – Borders and Trade – and focuses on building and managing Performance & Volumetric Testing (PVT) capability for cloud‐based systems.

Responsibilities

• 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.
• Develop and maintain Performance Test artefacts and coordinate maintenance activities for existing Performance Test environments.
• Identify and document data requirements to facilitate data generation.
• Review and analyse 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.
• Support the development of an in‑house PVT capability and advise and train others.

Qualifications

• 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 planning, designing, developing, executing, analysing and reporting Performance Tests, with experience in preparing a workload model and creating Test plans.
• Experience preparing and sharing performance execution reports, analysing server behaviour, identifying bottlenecks and suggesting improvement areas.
• Experience with tools JMeter, Jenkins and GitLab.
• Experience with monitoring tools AppDynamics, Dynatrace, Grafana and Prometheus.
• Experience writing code in one or more general‑purpose programming languages such as Python, Java or C#.
• Experience using Windows/UNIX/Linux/Database performance monitors.
• Knowledge and experience in best practice methods for the analysis and resolution of system defects and testing related issues.

Desirable Criteria

• Experience evaluating tools through 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.

Equal opportunity and diversity

We are an equal opportunity employer. The Civil Service embraces diversity and promotes equal opportunities.