Senior Wiring Harness Technician – Motorsport, Marine, EV & Hypercar ProjectsHorizon Wiring Ltd£Competitive Salary + Overtime + Development OpportunitiesAbout UsHorizon Wiring delivers high-performance wiring solutions across Formula 1, elite motorsport, hypercars, luxury marine, and advanced EV platforms. Our work demands absolute precision, exceptional quality, and a right-first-time mindset.The RoleThis role is suited to technicians who take pride in precision craftsmanship and thrive in high-performance environments where quality is non-negotiable.We are seeking a highly capable Senior Wiring Harness Technician to build complex, bespoke harnesses to the highest standards. Reporting to the Production Lead and Technical Lead, you will play a key role in delivering assemblies for some of the most demanding engineering environments.Key ResponsibilitiesManufacture high-quality wiring harnesses to customer specifications and internal COPsRead and interpret technical drawings, schematics, and build documentationDeliver right-first-time builds and complete Technician Checklists prior to QCWork with Production Lead to meet deadlines without compromising qualityCollaborate with Technical Lead to resolve build and design challengesComplete Line Inspections and Build Notes to support continuous improvementMaintain a clean, organised, and professional workspaceAdhere to all health, safety, and environmental standardsWhat We're Looking ForExtensive experience in wiring harness assembly within high-performance or precision engineering environmentsProven experience working to System 25 standardsExceptional attention to detail and pride in workmanshipAbility to operate effectively in high-performance, deadline-driven environmentsProactive mindset with a strong focus on continuous improvementWhy Join Horizon WiringWork on cutting-edge projects across motorsport, marine, and high-performance sectorsOpportunity for worldwide travel supporting high-performance projects and customers (not mandatory)Flexible working approach where possibleOvertime opportunities availablePositive, professional workplace culture focused on quality and teamworkStructured in-house training programmes to support ongoing developmentOpportunity to develop your skills in a specialist, growing businessAnd... off the record — a luxury coffee machine, dart board and pool table