Photonics Design Engineer

Jackalope Digital LLC; Oxford; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

Jackalope Digital LLC is seeking a highly technical photonics engineer to design, optimise, and develop high performance photonic components for next generation PICs, contributing to tape-outs and our core IP roadmap.

You will work closely with photonics designers, layout engineers, and testing teams to improve device performance through modelling, simulation, and innovative design work. Senior, Lead, or Principal level considered based on experience.

Qualifications

• PhD in Photonics or related field
• Strong understanding of guided optics and photonic device physics
• Hands-on experience designing and simulating integrated photonic components
• Experience with silicon photonics or InP platforms
• Strong analytical and mathematical problem solving
• Publications, patents, or shipped technology as evidence
• Experience using photonic simulation tools and modelling workflows
• Python programming for simulation or automation

Responsibilities

• Design and optimise integrated photonic components for PIC platforms
• Perform electromagnetic simulations and modelling to improve performance
• Validate simulations against experimental data
• Develop innovative component designs informed by current research
• Collaborate with layout engineers to integrate components into PDKs
• Work with fabrication and testing teams to iterate device performance
• Contribute to the development roadmap for future photonic components
• Support improvements in PIC loss, manufacturability, and scalability
• Participate in design reviews and cross-functional problem solving
• Stay current with advances in integrated photonics through literature and conferences

Job description

Job Overview:

This role will focus on the design, optimisation, and development of high performance photonic components for next generation Photonic Integrated Circuits (PICs), contributing directly to our future tape-outs and core IP roadmap.

You will work closely with photonics designers, layout engineers, and testing teams to improve the performance of integrated photonic devices through theoretical analysis, simulation, modelling, and design innovation.

This is a highly technical role suited to someone who enjoys solving difficult physics and engineering problems in a collaborative deep-tech environment. You will contribute to the development of key building blocks within our optical switching and photonic systems roadmap, and other integrated photonic components critical to future high port count architectures.

Depending on experience, we are open to candidates at Senior, Lead, or Principal level.

What you'll be doing:

• Design and optimise integrated photonic components for silicon photonics and related PIC platforms
• Perform electromagnetic simulations, modelling, and theoretical analysis to improve device performance
• Validate simulation results against experimental measurement data
• Develop innovative component designs informed by current research and emerging techniques
• Collaborate with layout engineers to integrate components into PDK libraries and tape-out flows
• Work closely with fabrication and testing teams to iterate on device performance
• Contribute to the development roadmap for future photonic components and architectures
• Support long term improvements in PIC loss, manufacturability, and scalability
• Participate in technical discussions, design reviews, and cross functional problem solving
• Stay current with advances in integrated photonics through research literature and conferences

What we're looking for:

• PhD, or equivalent industry experience, in Photonics, Physics, Optical Engineering, Electrical Engineering, or a closely related field
• Strong theoretical understanding of guided optics and photonic device physics
• Hands-on experience designing and simulating integrated photonic components
• Experience working with silicon photonics or InP photonic platforms
• Strong analytical and mathematical problem solving capability
• A track record of meaningful technical contributions, whether through publications, patents, or shipped technology
• Experience using photonic simulation tools and modelling workflows
• Python programming experience for simulation, analysis, or automation

Even better if you have:

• Deep understanding of Photonic IC design and fabrication flows
• Knowledge of semiconductor manufacturing processes
• Experience working in commercial R&D or product development environments
• Strong communication skills and attention to detail
• Ability to work effectively within multidisciplinary engineering teams

You will join a highly ambitious deep-tech company operating at the intersection of AI infrastructure, semiconductors, and photonics. We are building foundational technology with the potential to reshape the performance envelope of future AI systems.

Alongside a collaborative and research-driven environment, you will have the opportunity to work on genuinely difficult engineering problems with direct impact on product direction and company growth.

If you're excited by integrated photonics, advanced device design, and solving hard engineering problems at the frontier of AI infrastructure, we’d love to hear from you.

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