Job Title

Hardware Engineer - Automatic Transfer Switch (ATS)We are seeking an experienced Hardware Engineer to design, develop, and support reliable power transfer solutions used in critical power applications.This role focuses on the electrical and electronic hardware design of Automatic Transfer Switch (ATS) systems, including power switching, sensing, protection, and control interfaces, ensuring compliance with safety and performance standards.The ideal candidate has strong experience in power electronics, low- and medium-voltage power systems, and electromechanical control design, with hands-on involvement from concept through production.The individual will work within the Engineering department located at DSE headquarters in Hunmanby (North Yorkshire) or in Mansfield (Nottinghamshire). They will perform hardware development activities on new product developments as well as maintaining the current product portfolio.The company products operate in the Energy Control and Automation market and are designed to provide energy throughout a wide range of forms such as generator sets, renewable, microgrid as well as off-highway machinery.Requirements:CAD design toolsAnalogue and digital designEMC principlesUsed to working to high-quality standardsExcellent team player with problem-solving and trouble-shooting capabilitiesAbility to translate requirements into a technical product specificationGood communication skills and ability to concisely discuss product development issues within team of engineers from many different specialitiesEnthusiastic and optimisticAdaptable to changing requirementsUsed to defining task breakdowns for a give piece of work and providing estimatesWillingness to travel, role will include travel to US based parent company3+ years of experience in electronics / electrical designProficiency in schematic capture and PCB design tools (Altium, OrCAD, CADstar, etc.)Hands-on experience with oscilloscopes, power analysers, and high-power lab equipmentExperience of analogue hardware design including signal conditioning / processingWorking knowledge & understanding of PCB design & layout requirements particularly with respect to EMCKey Responsibilities:Hardware Design & DevelopmentDesign and develop ATS hardware architectures including power paths, switching elements (contactors, breakers, SCRs, or solid-state devices), and auxiliary control circuitsCreate schematics, PCB layouts, and wiring diagrams for ATS control and monitoring systemsDesign circuits for voltage, current, frequency sensing, phase detection, and power quality monitoringImplement protective circuits for over-current, over-voltage, short-circuit, and fault isolationSupport integration of microcontrollers, relays, and communication interfaces (e.g., Modbus, CAN, Ethernet)Power Systems & ComplianceEnsure ATS designs meet UL, IEC, BS, and relevant regional standardsPerform fault analysis, derating calculations, creepage/clearance analysis, and thermal designSupport short-circuit withstand and closing ratings (WCR) and coordination studiesCollaborate with compliance teams during certification testing and auditsTesting & ValidationDevelop and execute hardware validation plans including functional, environmental, and stress testingPerform lab testing with generators, utility sources, and load banksAnalyse test data, debug hardware issues, and implement design improvementsManufacturing & Lifecycle SupportSupport prototype builds, design for manufacturability (DFM), and design for test (DFT)Work with suppliers and manufacturing teams on component selection and cost optimizationProvide production support, failure analysis, and field issue resolutionBenefits: 25 days holiday + Bank HolidaysNew flexible holiday schemeBupa Healthcare packageLife InsuranceEnhanced Maternity/Paternity pay5% Pension contributionsCompanywide performance-based annual bonus scheme