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Senior Systems Integration & Test Engineer

Remote / Online - Candidates ideally in
Whiteley, Hampshire County, PO15, England, UK
Listing for: Fairygodboss
Remote/Work from Home position
Listed on 2026-06-07
Job specializations:
  • Software Development
    Software Engineer, Senior Developer
Salary/Wage Range or Industry Benchmark: 61500 - 78800 GBP Yearly GBP 61500.00 78800.00 YEAR
Job Description & How to Apply Below

Overview

Description

Senior Systems Integration & Test Engineer

Location: Whiteley, with flexibility to work from home dependent on business demands

Salary: £61,500 - £78,800

The Role: We currently have a vacancy for a Senior Integration and Test Engineer working on a flagship programme in the UK. The role includes designing, developing and maintaining test scripts and test reporting using both industry-standard manual and automation test suites and custom-developed frameworks. The testing process follows a hybrid Waterfall and Agile development and release process that supports critical customer mission goals around National Security using manual and automated testing techniques and tools.

This person will be responsible for analyzing requirements and designs, and from this developing a risk-based test approach to provide test assurance in support of our change pipeline. You may also support business process improvements or systems analysis for missions, systems, and fiscal requirements.

Responsibilities
  • Work independently, or with a team of software and systems engineers; must be knowledgeable in industry-standard testing tools and methodologies.
  • Analyze requirements and design material and create test designs, test cases & procedures; identify test data, tooling, and environmental needs.
  • Collaborate with Test Leads, fellow test engineers and other stakeholders in planning, executing and reporting on test regimes.
  • Contribute to scrum teams; participate in daily scrums and proactively resolve obstacles.
  • Be a dynamic, innovative, self-starting problem solver capable of operating with minimal supervision.
Qualifications & Experience
  • Excellent understanding of the Testing Lifecycle and the different types of testing (e.g., Functional and Integration Testing).
  • Demonstrable systems integration experience including integrating 3rd party systems or components.
  • Ability to understand existing test processes and identify improvements and efficiencies.
  • Experience creating test cases based on requirements and design documents.
  • Knowledge or experience with software testing frameworks (e.g., Katalon Studio, Selenium, SoapUI, JUnit, DART, or similar).
  • Knowledge or experience with agile workload management and bug tracking (e.g., Jira, Bitbucket, or similar).
  • Experience working in a regulated environment testing.
  • Strong oral and written communication skills; ability to communicate with technical and non-technical team members.
  • Self-motivated and willing to engage colleagues to obtain missing information.
Desired Skills & Experience
  • Experience with large-scale and complex integration programmes.
  • Performance testing and measurement of integrated systems.
  • Organizing/supporting user acceptance testing (UAT) prior to production deployment.
  • Continuous Integration/Continuous Delivery tools.
  • Negative testing concepts and risk assessment reporting.
Clearance Requirements
  • You will be required to gain UK SC (Security Clearance) for this role.
  • To be eligible for this role you must have UK Citizenship and have been a resident in the UK for a minimum of 5 years.
What We Do for You

At Leidos we are dedicated to customer success, teamwork, and making a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, while maintaining a healthy work-life balance. Our rewards include a contributory pension, private medical insurance, 33 days of annual leave, and flexible benefits such as life assurance, health schemes, gym memberships, and a cycle-to-work scheme.

Flexible working arrangements are available.

Commitment to Diversity

We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We provide equal access to opportunities and resources for everyone. If you require reasonable adjustments during the application and selection stages, please let us know so we can respond to your needs.

Who We Are

Leidos UK & EUROPE – we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services. Our work in the United Kingdom includes addressing complex problems in defence, healthcare, government, safety and security, and transportation.

Notes

Remote

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Position Requirements
10+ Years work experience
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