QA Engineer

Datasource Recruitment; Greater London; On-site; GBP 42,000 - 64,000; Full time

Benefits offered by this job

Annual bonus up to 10%

Pension up to 5% Employee/10% Employer

Private Medical Cover

Dental Insurance

Health Assessment

Life Assurance

Job summary

Datasource Recruitment is seeking a QA Engineer to join a Mission Critical Services team in London. You will bring solid experience in software or system integration testing and a strong grasp of QA principles.

This on-site role focuses on designing, executing tests, managing defects, and contributing to automation. DV clearance is preferred for this highly regulated environment.

Qualifications

• Solid experience in software and/or system integration testing.
• Strong understanding of QA principles and testing methodologies.
• Experience identifying and managing defects to resolution.
• Ability to analyze problems and communicate findings clearly.

Responsibilities

• Design, develop and execute testing activities across complex technology environments.
• Create and maintain test environments, test cases and test data to a high standard.
• Identify, investigate and manage defects through to resolution with engineering teams.
• Support integration, regression, functional and non-functional testing throughout delivery.
• Contribute to automation and continuous improvement initiatives to boost delivery confidence.
• Assess quality risks and communicate mitigations to stakeholders.
• Share knowledge and promote engineering best practice across the team.

Skills

Software testing

System integration testing

QA methodologies

Defect management

Communication

Job description

Ref: ZR_9571_JOB · Posted on 04 September 2026

Our client is looking for a QA Engineer to join their Mission Critical Services team, working on technology that genuinely cannot afford to fail. You'll need solid experience in software or system integration testing and a strong grasp of QA principles.

Working Patterns and location – Fully on site

Key responsibilities

• Design, develop and execute testing activities across complex technology environments.
• Create and maintain test environments, test cases and test data to a high standard.
• Identify, investigate and manage defects through to resolution with engineering teams.
• Support integration, regression, functional and non-functional testing throughout delivery.
• Contribute to automation and continuous improvement initiatives to boost delivery confidence.
• Assess quality risks and communicate appropriate mitigations to stakeholders.
• Share knowledge and promote engineering best practice across the team.

Skills & experience

• Experience in software and/or system integration testing or quality engineering environments.
• Strong understanding of testing principles, methodologies and QA practices.
• Experience identifying, documenting and managing defects through to resolution.
• Ability to analyse problems, investigate issues and communicate findings clearly.
• Experience working collaboratively with multidisciplinary engineering and delivery teams.
• Strong written and verbal communication skills with both technical and non-technical audiences.

The client would also like to see some of the below, but this is not essential:

• Experience supporting or implementing automated testing approaches.
• Exposure to large-scale, mission-critical or highly assured technology environments.
• Understanding of integration and end-to-end testing practices.
• Knowledge of secure or regulated delivery environments.
• Experience contributing to process improvement or quality transformation initiatives.
• Experience mentoring junior colleagues or supporting team capability development.

Additional benefits

• Annual bonus up to 10%.
• Pension up to 5% Employee/10% Employer.
• Private Medical Cover.
• Dental Insurance.
• Health Assessment.
• Life Assurance.

Our client is committed to providing a diverse and inclusive workplace and welcomes applications from all backgrounds.

Part-time opportunities/flexible working is available to suit individual needs.

You will be required to hold a minimum of DV Clearance. If you do not hold an active DV Clearance, please familiarise yourself with the vetting process before applying.

(c) Copyright Datasource Computer Employment Limited 2026.