University of Toronto, Physics

Position ID:UofT-Physics-POSTDOC [#17504]
Position Title: Postdoctoral fellow in Experimental Astroparticle Physics
Position Type:Postdoctoral
Position Location:Toronto, Ontario M5S1A7, Canada [map]
Subject Areas: High Energy Physics / Experimental
Physics / Dark Matter, Astroparticle Physics, Elementary Particle Physics, Experimental Astroparticle Physics, Experimental High Energy Physics, Experimental Particle Physics, HEP-Experiment (hep-ex), High Energy Experimental
Appl Deadline:2020/12/31 11:59PMhelp popup finished (2020/11/09, finished 2021/07/03)
Position Description:    

*** this position has been closed. ***

Note: Please submit your applications to as instructed below, rather than uploading through academicjobsonline.

Area of Research: Experimental Astroparticle Physics

Description of duties: Two postdoctoral fellowship positions are available in the University of Toronto SuperCDMS group. 

SuperCDMS is a direct-detection experiment that looks for interactions of dark matter in cryogenic germanium and silicon detectors equipped with sensors for the thermal energy of particle interactions.  SuperCDMS has an illustrious history of world-leading dark matter results; the next generation of the experiment, featuring novel detector upgrades, is currently being installed in SNOLAB, Canada’s premier astroparticle physics facility located 2 km below the surface in the Vale Creighton Mine near Sudbury. The elite international collaboration aims for world-leading sensitivity to a variety of dark matter candidates and masses over the next decade. The chief advantage of SuperCDMS’s cryogenic technology is the extremely low detection thresholds achievable, while SNOLAB provides a clean and well-shielded environment optimal for background reduction.

The Toronto SuperCDMS group is led by Prof. Miriam Diamond, Prof. Ziqing Hong, and Prof. Pekka Sinervo. The joint group works on all aspects of the experiment, including detector R&D and commissioning, experiment operation, detector testing and calibration, data acquisition, data quality monitoring, Monte Carlo detector simulation, and data analysis.

With the recent opening of the Cryogenic Underground TEst (CUTE) facility to support detector development and characterization, ongoing detector calibration efforts at the new local cryogenic facility and at neutron beam facilities like Tandem@Université de Montréal, and first operations of SuperCDMS SNOLAB expected in 2022, the successful applicant will take a significant role in building, understanding, and operating the next generation dark matter search experiment, as well as lead the data analysis of test facility data and first physics data from SuperCDMS SNOLAB. Additional duties for the collaboration will consist of organizing meetings, documenting software, and reviewing and authoring internal reports as well as published papers.

The successful applicant is expected to be stationed at Toronto, with on-site shifts at SNOLAB and neutron beam facilities.

This is an exciting time to join the collaboration: hands-on involvement with various aspects of the experiment right from the start of SNOLAB data-taking. It is also an exciting time for the dark matter search field in general, with discovery potential for a range of models to finally resolve the longstanding questions at the forefront of modern astroparticle physics.

Salary: $65000/yr

Please note that should the minimum rates stipulated in the collective agreement fall below the rates stated in this posting, the minimum rates stated in the collective agreement shall prevail. 


- Ph.D. in experimental particle physics, experimental astrophysics, or experimental condensed matter physics, by the time of the appointment.

- Strong record of recent accomplishments in experimental physics.

- Excellent oral and written communication skills as demonstrated by presentations at conferences and a record of publication(s) in peer-reviewed journals.

- Ability to abide by all environmental, safety and health regulations.

- Experience with cryogenic experiments and strong coding skills are preferable

- Ability to descend the SNOLAB mineshaft and traverse the mine tunnels.

Application instructions

All individuals interested in this position must submit a CV, a publication list, and a short statement of research interest to with the subject line “Postdoctoral Fellow – Experimental Astroparticle Physics” by the closing date. At least three letters of reference should also be sent directly by the referees to this address by the closing date.

Closing date: Review of applications will commence on 31 Dec 2020, and the opportunity will remain available until filled.

Supervisor: Prof. Ziqing Hong (

Expected start date: Mar. 1 2021, flexible

Travel: Occasional travel to Sudbury and Montreal, by automobile or commercial air carrier, will be required. Additional travel to other destinations (domestic and international) for conferences and workshops will be optional.

Term: Two (2) years, with the possibility for extension considered on a yearly basis thereafter


This is a full-time position, and will require flexible scheduling to accommodate evening or overnight shifts for data-taking.

The normal hours of work are 40 hours per week for a full-time postdoctoral fellow (pro-rated for those holding a partial appointment) recognizing that the needs of the employee’s research and training and the needs of the supervisor’s research program may require flexibility in the performance of the employee’s duties and hours of work. 

Employment as a Postdoctoral Fellow at the University of Toronto is covered by the terms of the CUPE 3902 Unit 5 Collective Agreement.

This job is posted in accordance with the CUPE 3902 Unit 5 Collective Agreement.

The University of Toronto is strongly committed to diversity within its community and especially welcomes applications from racialized persons / persons of colour, women, Indigenous / Aboriginal People of North America, persons with disabilities, LGBTQ persons, and others who may contribute to the further diversification of ideas.

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Contact: Ziqing Hong, 4169780627
Email: email
Postal Mail:
Department of Physics
University of Toronto
60 St. George Street
Toronto, ON M5S 1A7
Web Page:

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