Your mission Enrolment at a partner university (Humboldt-University Berlin, Group for Integrated Quantum Sensors) as a doctoral candidate Performing a feasibility study and proof of concept experiments on the Rb clock transition on a breadboard model Development of a compact optical clock based on hot Rb vapor, from system design to full characterization Close collaboration and exchange with the consortium partners and multiple extended stays at partner institutions Attendance of multiple workshops, schools, and meetings at various locations in Europe Your profile Master’s degree in physics (or equivalent) Strong interest in atomic physics, laser technology, and optical clocks Experience in designing optical experiments and handling of optoelectronic equipment is advantageous Mobility within Europe Fluent in English (B2 or higher preferred) Must not have resided in Germany for more than 12 months within the last 3 years before hiring Why us? Being one of 13 institutions of a Marie Skłodowska-Curie Actions (MSCA) Doctoral Network (DN), Menlo Systems is looking for a Doctoral candidate (m/f/d) on the development of optical clocks who will join the Doctoral Network as a 3-year doctoral candidate. You will work in an industrial setting on the emerging field of optical clocks. Further, you will benefit from the opportunities in networking and scientific exchange that come with the participation in the MSCA-DN. The earliest possible entrance date is October 2025. Get more information on https://www.quriousclocks.eu/ About us Menlo Systems is a high-tech company that develops, manufactures and sells lasers and laser systems for precision applications in research and industry. Menlo Systems is one of the market leaders in the field of optical precision measurements with light and lasers based on the Nobel Prize-winning frequency comb technology. The company is headquartered in Martinsried, near Munich, Germany.