Photonics Engineer - Experimental Statistician (Toronto)

As a Photonics Engineer - Experimental Statistician in the photonics integration group, you will join the Test and Measurement team to drive the iteration of on‑chip photonic devices—the foundational building blocks of Xanadu’s Fault‑Tolerant Quantum Computer. This is a software‑centric role requiring expertise in statistical modeling to extract device performance and fabrication variability with quantified uncertainties. The analysis will informfuture experimental design and guide iteration toward ambitious device performance targets.You will be instrumental in automating and streamlining these analyses at scale to lower design‑iteration times and extract insights from large experimental datasets. Responsibilities

Apply statistical expertise to design experiments for extracting key performance metrics. Collaborate with physicists and engineers to apply statistical techniques and guide critical design decisions. Develop, validate, and deploy scalable statistical models to characterize performance and fabrication variability in photonic devices.Build hierarchical models to separate different sources of variability in device performance. Contribute to robust, documented Python software libraries for automated, large‑scale data analysis pipelines. Quantify uncertainties, build noise models for measurements. Basic Qualifications and Experience

Education: MSc or PhD in Statistics, Physics, Astronomy, Data Science or a related field. Experience: 4+ years of experience working with statistics and experiment‑based data. Expertise in statistical inference, including inverse problem/parameter inference, likelihood estimation, hierarchical modelling, sampling techniques such as MCMC, outlier detection and rejection, and estimation of confidence and credible intervals.Strong programming skills with fluency in Python and familiarity with NumPy, SciPy, and pandas. Experience with Git and the pull request workflow. Detail and documentation oriented. Excellent communication skills and the ability to thrive in a fast‑paced research environment. Preferred Qualifications and Experience

PhD in Statistics, Physics, Astronomy, Data Science or a related field. Direct experience with optical or photonic experiments and theory or analogous physical theory. Experience building statistical models using scientific data. Experience developing performant software for analyzing large physical data sets.Base salary will be determined based on location, experience, and internal benchmarks, with a range of 100,000– 140,000 CAD. You will also be eligible for equity and benefits. We are an equal opportunity employer and encourage candidates of all backgrounds to apply. We are committed to building an inclusive, safe, and equitable culture and fostering an environment where our employees feel included, valued, and heard. We are committed to meeting the needs of all individuals and support a barrier‑free workplace. If you require accommodations at any point during the recruitment process, please contact Recruiting at .

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