Senior Principal Photonics Systems Engineer

Monarch Quantum • San Diego, CA

7d

About The Position

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.

Requirements

• 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.
• 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.

Nice To Haves

• Experience in quantum systems, precision metrology, or related emerging technologies is a strong plus.
• Startup Mindset: 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.

Responsibilities

• 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.

Benefits

• Medical, Dental, and Vision insurance
• Fidelity 401(k) plan with 4% employer matching
• 20 paid time off (PTO) days per year
• 13 paid company holidays
• 9/80 work schedule (every other Friday off)

What This Job Offers

• Job Type: Full-time
• Career Level: Senior