Gary Brennan
Head of Test @Daintta
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WORK HISTORY
Head of Test @Daintta
London, GB
Leading the development of Quality Assurance and Testing capability across Daintta, operating within a consultancy environment delivering complex systems across defence, national security and telecommunications domains.Responsible for establishing a scalable and effective QA function across multiple client engagements, embedding quality across the full system engineering lifecycle and supporting delivery within high-assurance environments.Key responsibilities & focus• Conducting QA capability and test maturity assessments across projects, identifying gaps and defining improvement roadmaps• Establishing and embedding test strategy, governance and delivery frameworks aligned to defence assurance standards• Leading and supporting client engagements, acting as a trusted advisor on quality, testing and assurance across complex systems• Driving adoption of automation and CI/CD-integrated testing, working closely with development and DevOps teams• Embedding quality engineering practices within Agile and systems engineering environments, supporting SIT, UAT and operational readiness• Supporting delivery towards Technology Readiness Levels (TRLs), ensuring structured verification, validation and release assurance• Building and growing QA capability across the organisation, including mentoring, coaching and defining delivery standards• Contributing to business growth through bid support, service development and consultancy offeringsFocus areasQA Capability Development • Test Strategy & Governance • Test Maturity Assessment • Automation Strategy • DevOps Testing • Defence & High-Assurance Systems • Client Advisory • Systems Engineering Lifecycle • Business Transformation
EDUCATION
Wine Tasting GNVQ - e-Learning
GNVQ, Wine Tasting
ISEB Foundation
Foundation, Software Testing
BSAC
Ocean Diver, Scuba Diving
ITIL
ITIL Foundation, IT Service Management
Chippenham Technical College
Advanced GNVQ, Information Technology
CSM (Certified Scrum Master)
CSM (Certified Scrum Master), Agile
ISEB Intermediate
Intermediate, Software Testing
Microsoft Corporation
Planning, Implementing & Maintaining a Microsoft Windows Server 2003 Active Directory Infrsatructure, Information Technology
Hardenhuish Secondary School
GCSE's, GCSE core subjects
Chippenham Technical College
Computer Literacy and Information Technology Stage 1, Information Technology
SKILLS
ABOUT GARY BRENNAN
I’m a Head of Test, Test Architect and QA Transformation Lead with 15+ years’ experience delivering and scaling quality assurance across complex enterprise systems, digital platforms and high-assurance environments.I specialise in helping organisations improve delivery confidence and reduce risk by designing scalable test architectures, embedding automation into CI/CD pipelines, and establishing modern quality engineering practices across large programmes and consultancy engagements.I’ve delivered QA leadership across 30+ enterprise programmes spanning public sector, defence, financial services, media and digital platforms, working with organisations including Hexagon Safety & Infrastructure, Capita (BBC), Dyson, HESA, St James’s Place and Nationwide.My work typically involves complex, multi-team and multi-vendor environments, where I establish test strategy, governance and automation capability across integrated systems and mission-critical platforms.More recently, I focus on building and maturing QA capability within organisations, including test maturity assessments, capability development and embedding quality across the full system engineering lifecycle.Alongside enterprise and government programmes, I also bring experience across large-scale digital platforms and e-commerce systems, including global commerce platforms at Dyson and digital transformation programmes delivered through Valtech.I regularly work with stakeholders to assess complex delivery challenges, define practical quality strategies and support the delivery of high-assurance systems, particularly within government, defence and technically demanding environments.Key areas of expertise• Head of Test / QA Capability Leadership• Programme Test Management• Enterprise Test Architecture• QA Transformation & Capability Development• Automation Strategy (Playwright, Selenium, Leapwork)• DevOps & CI/CD Testing• Risk-Based Testing & Test Governance• Cloud-native testing across AWS and AzureI have extensive experience delivering testing across complex integrated systems, including public safety platforms, cloud-native data platforms, enterprise digital estates and multi-vendor government programmes.Security Clearance: SC ClearedLocation: Chippenham, WiltshireWorking model: Remote / London / Bristol corridorAlways open to connecting with organisations and professionals working on QA capability development, complex systems and high-assurance delivery.
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