Staff/Senior Photonic Systems Engineer
Listed on 2026-08-04
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Engineering
Systems Engineer
Build the interconnect platform that powers the next generation of AI infrastructure.
Quintessent is taking on some of the hardest challenges in optical connectivity - directly
attacking the foundational bottlenecks limiting the scalability and reliability of next-generation AI
and computing infrastructure. Our team has trail blazed pioneering work in quantum dot lasers
and amplifiers, heterogeneous integration, and multi-wavelength silicon photonics. We are
converging innovations in materials science, process integration, chip and system design to
build products that we believe will form a core part of AI networking systems.
We are a scrappy, high-trust team that takes ownership, stays humble, and believes in tackling
hard problems with speed, intellectual honesty, and relentless improvement. We hold ourselves
to a high bar starting from a deep understanding of our customers' problems. If this sounds like you, and you want to build the optical interconnect platform that powers the next generation of AI infrastructure, we'd love to talk.
Join our elite technical team driving the delivery the next-generation of DWDM optical interconnects.
Key Responsibilities:- Perform data-driven modeling of photonic circuits to drive PIC architecture designs
- Contribute to photonic control architecture and algorithm development
- Develop and execute on test/validation plans to quantify optical link performance
- Collaborate with Design, Fabrication, and Test teams to achieve goals
Your work will directly shape the products that ship and the capabilities the company builds.
To succeed, you will need these qualifications:- PhD in Electrical Engineering, or equivalently 5+ years of industry experience
- Wide breadth of experience and understanding of photonic components and circuits
- Hands-on experience characterizing high-data-rate optical links (IMDD/coherent)
- Strong command of optical link simulation tools and methodologies (VPI or equivalent)
- Proficient in Python for test automation, data analysis, and modeling
- Experience with layout tools such GDSFactory, Nazca, Cadence Virtuoso, etc.
- High-initiative to identify issues and act without requiring explicit instructions
Qualifications:
- Familiar electronic simulation tools such as HFSS, ADS, etc.
- Experience with optical component simulation workflows utilizing Tidy3D, Lumerical, etc.
- Worked directly with customers or partners
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