Senior Optical Design Engineer (f/m/d)

<h1><strong>Description</strong></h1><p style="min-height:1.5em">We are looking for an experienced (Senior) Optical Design Engineer to take technical ownership of the imaging and illumination systems at the heart of our quantum sensing platform. You will design optical systems from first principles and own their development from simulation and tolerancing through bench validation and production.</p><p style="min-height:1.5em">This is a hands-on role with significant technical ownership and strong opportunities for career growth as our technology and organization scale, shaped by your skills, strengths, and preferred career direction.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><h1><strong>Who we are</strong></h1><p style="min-height:1.5em">Founded in 2022 as a spin-off of TU Munich, QD leverages quantum sensors to rapidly capture three-dimensional current maps within multi-layer chips. Our strong, international team of over 70, including physicists, engineers, data scientists, and other experts, works side by side with major semiconductor manufacturers, supporting chip debugging and accelerating yield analysis. Backed by top-tier deep tech investors, semiconductor experts, and strategic public programs, we have ensured long-term stability, shifting from breakthrough to scale - and shaping the next chapter in chip testing.</p><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><h1><strong>Why join Quantum Diamonds?</strong></h1><h2><strong>Picture this:</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Quantum sensors that see <em>inside</em> the most advanced chips on Earth, right where two frontier fields collide.</p></li><li><p style="min-height:1.5em">Nobel-Prize physics aimed at real customers with real problems, in production now, not someday.</p></li><li><p style="min-height:1.5em">Physicists, data scientists, and engineers building side by side, turning deep science into tools the industry actually runs on.</p></li><li><p style="min-height:1.5em">An international team that runs at hard problems for fun, where knowledge moves fast and so do you.</p></li></ul><h2><strong>Still unsure about why joining us?</strong></h2><ul style="min-height:1.5em"><li><p style="min-height:1.5em">You'll get to build a company together with a brilliant and welcoming team on a product that has never been done before.</p></li><li><p style="min-height:1.5em">From Day 1, you'll own your own topics end to end and see the direct impact of your work on how the world sees QuantumDiamonds.</p></li><li><p style="min-height:1.5em">Our technology is the cutting edge of tomorrow, starting today and not in 10 years.</p></li><li><p style="min-height:1.5em">You’ll be part of a high-growth company backed by top-tier investors.</p></li></ul><h2><strong>Let’s make the invisible visible!</strong></h2><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><div style="min-height:1.2em;margin-top:0px;margin-bottom:0px"> </div><h1><strong>What will you do</strong></h1><ul style="min-height:1.5em"><li><p style="min-height:1.5em">Own the optical design of key imaging and illumination systems at the heart of our NV-diamond sensors, from excitation through fluorescence collection and detection.</p></l