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⚡ Source: ReedRef: 56875481

Comparative Test Engineer

Appcast Enterprise·Fareham·Posted 20h ago
🏠 Hybrid
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Job description

Original text imported from Reed

Description

Comparative Test Engineer

Location: This is a Hybrid working role. Whiteley, Hampshire

Clearance Required: This role will require attainment and maintenance of SC clearance.
 

We are looking for a Comparative Test Engineer to join our team to help us deliver a large-scale systems integration programme.

As part of an multi discipline team the successful candidate will be responsible for the delivery of test documentation and execution, as assigned by the Test Lead. The successful candidate will be responsible for interfacing with an international team, and with Customer stakeholders to design, create and execute tests. The role will require the ability to effectively communicate with all members of the team, ranging from technical personnel to programme leadership.

The role includes executing tests across a variety of software products, their interfaces and network & infrastructure configurations, and identifying and managing resulting defects.


What will I be doing?

  • Generating Test Cases by reviewing of requirements and design documentation, liaising with SMEs
  • Documenting of test results and any defects/reporting progress
  • Investigating issues and working with suppliers to identify root cause and resolution
  • Analysing data, large datasets and test evidence from suppliers to show compliance to requirements
  • Data analysis of interface messaging, comparing legacy data to new systems
  • Identifying improvements in new and existing processes
  • Supporting Automation team to develop regression test pack

What does Leidos need from me?

  • ISTQB/ISEB Foundation Certificate in software testing
  • Ability to take part in testing in Whiteley
  • A good understanding of Testing Lifecycle and the different types of testing such as Functional, Non-Functional and Integration Testing
  • Demonstrable systems integration experience including integrating 3rd party systems or components
  • Good oral and written communication skills, confident in technical and non-technical discussions
  • Good time management and organisational skills – ability to work with minimal supervision
  • Enthusiastic, proactive, troubleshooting attitude with a willingness to learn new technologies
  • Experience of creating Test Cases based on requirements and design documents

What we do for you:
At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance.
We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes:

  • Contributory Pension Scheme

  • Private Medical Insurance

  • 33 days Annual Leave (including public and privilege holidays)

  • Access to Flexible benefits

  • Flexi Working

Commitment to Diversity:

We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages, please let us know, and we will respond in a way that best fits 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 some of the most complex problems in defence, healthcare, government, safety and security, and transportation.

Working together as Team Leidos we are helping to transform the UK's defence supply chain by providing an integration of a complex mixture of services, at low risk, using a modern suite of systems that will deliver one version of the truth. For the first time, the MOD will see the whole picture, as it is happening.

What Makes Us Different:

Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change.

Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours.

People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that that enhance your future.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range:

£36,900.00-£46,100.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

About Leidos

Leidos is an indus
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Key skills

AI-extracted from the job advert

Must-have skills
ISTQB Foundation CertificateSystems IntegrationTest Case CreationFunctional TestingIntegration TestingRequirements AnalysisSC Clearance Eligibility
Nice-to-have
Data AnalysisLegacy System MigrationTest AutomationInterface Testing
Soft skills
CommunicationTime ManagementProblem SolvingTeamworkAttention to DetailAdaptability
SpeedCV AI

Application advice

5 AI-generated recommendations to maximise your chances.

1

⭐ Highlight your ISTQB/ISEB Foundation Certificate prominently as this is explicitly required for the role

2

📊 Quantify your testing experience: "Created 150+ test cases covering functional and integration testing across 5 systems"

3

🔍 Emphasise systems integration experience, particularly with 3rd party components as mentioned in requirements

4

🌐 Showcase data analysis skills with specific examples of interface messaging and legacy system comparisons

5

🎯 Mention SC clearance eligibility or existing clearance as this role requires security clearance attainment

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Suggested CV bullets

3 bullets our AI drafted for this specific advert, mirroring its ATS keywords.

How to tailor your CV

Add these 3 bullets under your most recent experience:

  • Created 120+ functional and integration test cases from requirements documentation, achieving 95% defect detection rate across 8 software products
  • Led systems integration testing for 4 third-party components, identifying 23 interface defects and coordinating resolution with international supplier teams
  • Analysed legacy system data migration covering 50,000+ records, comparing interface messaging accuracy and documenting compliance evidence for customer stakeholders

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Letter preview — tailored to Appcast Enterprise

Dear Hiring Manager,

Leidos's large-scale systems integration programme represents exactly the complex testing environment where my ISTQB Foundation Certificate and systems integration experience can make the strongest impact. My background in creating comprehensive test cases from requirements documentation and managing defects across multiple software products aligns perfectly with your Comparative Test Engineer requirements.

My background in test lifecycle management and integration testing will be detailed in my CV, particularly my experience with 3rd party system integration and data analysis of interface messaging between legacy and new systems.

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Interview questions

10 questions generated from this advert.

Technical

  • How would you approach creating test cases from requirements documentation that lacks detail?
  • Describe your experience with systems integration testing, particularly with 3rd party components
  • What methods do you use for data analysis when comparing legacy systems to new implementations?
  • How do you manage defects throughout the testing lifecycle?
  • Explain the difference between functional, non-functional, and integration testing approaches

Behavioural

  • Tell me about a time when you had to communicate complex technical issues to non-technical stakeholders
  • Describe a situation where you identified a critical defect late in the testing cycle
  • How do you prioritise your testing activities when working with minimal supervision?
  • Give an example of when you had to collaborate with an international team on a project
  • Tell me about a time when you had to learn a new technology quickly to complete a testing assignment
SpeedCV AINEW

STAR answer examples

Model answers using the Situation-Task-Action-Result framework. Adapt to your own experience.

1Question

Tell me about a time when you had to communicate complex technical issues to non-technical stakeholders

During a critical systems integration project, I discovered interface messaging failures affecting data accuracy between our legacy CRM and new analytics platform. The defects were causing 15% data loss, but the business stakeholders didn't understand the technical implications. I created a visual dashboard showing the impact: 3,000 customer records per day were incomplete, potentially affecting £180,000 in monthly revenue tracking. I presented this using simple before-and-after comparisons rather than technical jargon. The stakeholders immediately understood the business risk and approved additional testing time. We resolved the interface issues within 2 weeks, achieving 99.8% data accuracy and maintaining stakeholder confidence throughout the project.
2Question

Describe a situation where you identified a critical defect late in the testing cycle

Three days before go-live on a payment processing system, I discovered that batch transactions over £10,000 were failing validation checks, affecting high-value corporate clients. This wasn't caught earlier because our test data focused on typical transaction amounts under £5,000. I immediately escalated to the Test Lead and worked with the development team through the weekend. We identified the issue was in currency formatting for large amounts. I created 25 additional test cases covering edge cases from £10,000 to £1 million. We delayed go-live by 5 days, but prevented potential financial losses and regulatory issues. The client appreciated our thoroughness, and we implemented improved test data strategies for future releases.

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