ABOUT CIRCUITHUB CircuitHub is reshaping electronics manufacturing with The Grid, a factory-scale robotics platform that makes small-batch, high-mix electronics assembly radically more efficient. Think semiconductor-fab precision applied to the chaotic world of prototyping and low-volume production: a 10x throughput improvement in one of the world's most foundational industries. We've raised $45M from top-tier investors including Plural, Y Combinator and Google Ventures, and we're already profitable. Our customers include a major EV maker, a top AI lab and many of the worlds largest companies. The Grid isn't a prototype. It's live, scaling fast and delivering real revenue, and we're building the team that will scale it further. THE ROLE Mechatronics Engineers at CircuitHub own projects end to end. You'll start with a problem, often on our factory floor, and take it all the way to a working machine: - Understand the problem and turn it into a clear specification - Generate ideas and choose the right mechanism - Design it in CAD and prove it out with the engineering calculations - Prototype and build it, machining parts in our in-house CNC shop - Bring it to life with software on our in-house robotics operating system We work AI-first. AI tools help you scope the problem, drive your CAD, run the calculations and write the machine software. The software side needs basic software engineering skills, not a software background: you'll write it with AI agents, supported by a dedicated software engineering team who build the operating system. You must have built things before, ideally robots, whether as a hobbyist, student, employee or founder. We don't hire narrow specialists. We want engineers who can: - Diagnose system-wide failures from first principles - Prototype mechanical and software fixes on the fly - Work autonomously and communicate clearly with a team spread across sites - Take responsibility for how their machines perform in live production THINGS YOU'LL DO This is a design role with hands-on prototyping. For example: - Conceive new mechanisms to handle electronics parts and other robotic handling tasks, using AI to scope and specify the problem - Design gantries and end effectors in Fusion 360 - Use AI agents to run the engineering calculations, and know when to distrust them - Machine prototype parts in our in-house CNC shop - Analyse end-effector behaviour from video and revise its geometry and control approach to improve throughput and reliability - Program machine behaviour on our in-house robotics operating system, with AI agents doing the heavy lifting - Specify sensors that catch errors while a machine is running, or monitor a chemical process - Prototype and deploy a new test robot for in-line PCB validation - Commission your machines and hand them over to our build team to scale up - Work across our US and UK sites to share what you've learned and shape the roadmap BONUS SKILLS - Experience programming machines, whether PLCs, robot controllers, embedded systems or Python - Programming and running CNC machinery - Design of chemical handling machinery - Optics PAY AND LEVEL £45K–£125K depending on experience, plus equity. A candidate at the lower end of the range might have: - Built some systems before, with some exposure to robotics or automation - Seen parts and subsystems through to manufacture as part of a design team - Knowledge of designing for machining - A keen interest in moving their career towards practical robotics A candidate at the upper end might also have: - Led the build and deployment of large-scale automated systems - Written the software that controls their own machines - Designed for a wide range of manufacturing methods, from machining to sheet metal to injection moulding - Mentored more junior engineers The range isn't a hard limit: if you're an expert in all of the above, we still want to talk to you. Not quite so experienced but passionate and keen to learn? Talk to us too. LOCATION Full-time on-site at one of our UK sites: - Cambridge: our central Cambridge site, alongside the team designing, building and expanding the Grid. - London: our London site.

Mechatronics Engineer

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