Senior Principal Quantum Photonics Systems Engineer

Monarch Quantum, San Diego, United States

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Published on 17 September 2026 · first appeared in our records on 17 September 2026.

Stable posting: first seen on 17 September 2026, with no abnormal reposting.

This posting shows no salary, while 22% of open postings in the same sector in this country (United States) do.

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Join our fast-paced and passionate team as a Senior Principal Photonics Systems Engineer. As we scale, you will be instrumental in building our foundation from the ground up. This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You'll have the opportunity to work on cutting edge technologies, work closely with leadership, and develop and implement engineering practices that support our mission and growth. Your key responsibilities are as follows: • Provide technical leadership and system-level direction on the architecture, design, and integration of advanced laser systems for quantum technologies. • Define and guide the development of core photonics and control technologies, including laser stabilization, narrow linewidth sources, and low-noise electronic control systems. • Lead efforts to achieve ultra-low noise performance and exceptional reliability through rigorous design, modeling, and experimental validation. • Collaborate closely with optical, electronic, firmware, and mechanical engineers • Provide technical expertise to for the development of and maintenance system-level requirements, specifications, and performance validation protocols. • Mentor junior engineers and foster a culture of technical excellence, innovation, and cross-functional collaboration. • Contribute to strategic technology roadmaps and partner with leadership to align technical development with business goals. Experience : • Bachelor’s degree in Physics, Electrical Engineering, Optics, or a related field (advanced degree preferred). • Minimum 15 years of experience designing and testing complex photonic or laser-based systems. Skills: Demonstrated expertise in: • Narrow linewidth and frequency-stabilized laser systems • Low-noise electronic controls and servo systems • Optical system modeling, alignment, and noise analysis • Proven track record of architecting and delivering high-reliability photonic systems. • Excellent communication and leadership skills with demonstrated ability to drive technical decisions across teams. • Experience in quantum systems, precision metrology, or related emerging technologies is a strong plus. Startup Mindse t: • You're creative, flexible, and eager to wear multiple hats. • You're passionate about building systems from the ground up and comfortable with ambiguity and change.

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