A well funded and rapidly expanding Oxford start-up is looking for a Senior Systems Engineer to take full ownership of their next-generation products - from first concept to field-ready reality. This is a technical leadership role at the heart of everything we build: architecture, integration, verification, and productization of complex opto-electro-mechanical systems.You''ll sit at the intersection of precision mechanics, automation, software, and reliability engineering - turning ambitious RandD into robust, high-performance products our customers can rely on. Working across early-stage research, customer engagements, and product development, you''ll help shape the technical roadmap and mature prototypes into deliverable systems.The Senior Systems Engineer will own:End-to-end systems ownershipLead system architecture from concept through requirements, design, prototyping, verification, and releaseBuild system-level specifications, performance budgets, and risk models spanning optical, mechanical, electrical, and software domainsDefine and drive processes for integration, validation, and troubleshootingIntegration and verificationBring motion control, electronics, and machine vision together into fully functional, production-ready systemsApply optical modelling and simulation tools to optimise performance and eliminate error sourcesDevelop verification plans, test procedures, and system-level fault analysis frameworksAutomation, control and safetyDefine system-level control ..... full job details .....