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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Integration & Test Engineer - **Company:** Leidos, Inc. - **Location:** Whiteley, UK (Remote available) - **Experience:** Expert - **Salary:** £61,500.0 - £78,800.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Agile Methodology, Systems Engineering, JIRA, Automation of Tests, Bug Tracking Systems, Continuous Delivery, Continuous Integration, Software Design Documents, Systems Analysis, Junit, Scrum Methodology, Selenium, SoapUI, Software Deployment, Systems Integration, Test Data, Performance Testing, Test Scripts, Integration Tests, Dart, Bitbucket, Katalon Studio - **Published:** July 22, 2026 - **Apply:** https://www.adzuna.co.uk/jobs/details/5755552557 ## About the Role * Excellent understanding of the Testing Lifecycle and the different types of testing such as Functional and Integration Testing. * Demonstrable Systems Integration experience including integrating 3rd party systems or components. * Able to understand existing Test Process and identify improvements and efficiencies. * Experience of 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 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 speak to colleagues to find out missing information. Desired Skills and Experience: * Working 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., * To be eligible for this role you must have UK Citizenship and been a resident in the UK for minimum 5 years. ## Description We currently have a vacancy for a Senior Integration and Test Engineer working on a flagship programme in the UK. The role will include responsibility for Designing, Development and Maintenance of test scripts and Test Reporting using both industry standard Manual and Automation test suites and custom developed frameworks. The testing process will follow 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 conducting analysis of 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 What will I be doing? * Work independently, or with a team of software and systems engineers; must be knowledgeable in industry-standard testing tools and methodologies. * Responsible for analysis of requirements and design material and the creation of test Designs, Test Cases & Procedures and identify test Data, Tooling and Environmental needs * Responsible to working with Test Leads, fellows test engineers and other stakeholders in planning, executing and reporting on test regimes * Contribute to the scrum teams, participate in daily scrums, and be proactive on work tasks and obstacle resolution. * Must be a dynamic, innovative, self-starting problem solver that can operate with minimal supervision. ## Related Videos - [How Unit Testing Saved My Career](https://www.wearedevelopers.com/videos/1642-how-unit-testing-saved-my-career) - [SMART Test Automation - the experience of legacy transformation](https://www.wearedevelopers.com/videos/100215-smart-test-automation-the-experience-of-legacy-transformation) - [Dart - a language believed dead, experiences a new bloom](https://www.wearedevelopers.com/videos/442-dart-a-language-believed-dead-experiences-a-new-bloom) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Dart - a language believed dead, experiences a new bloom](https://www.wearedevelopers.com/videos/955-dart-a-language-believed-dead-experiences-a-new-bloom) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [IT Salaries in UK](https://www.wearedevelopers.com/magazine/288-it-salaries-in-uk) - [Fullstack Developer Salary UK](https://www.wearedevelopers.com/magazine/251-fullstack-developer-salary-uk)