Megan Sosey
Chief Engineer, Instruments Division at Space Telescope Science Institute
Baltimore, Maryland, United States
Summary
👤
Senior🎓
Top SchoolMegan Sosey is a computational scientist and engineering leader with 17+ years building and operating calibration pipelines, analysis tools, and instrument software for Hubble, JWST and the Nancy Grace Roman Space Telescope at the Space Telescope Science Institute. As Chief Engineer of the Instruments Division and DMS technical lead for Roman, she blends hands-on development in C/C++/Fortran/Python with systems engineering, CI/unit testing, and HPC performance work to deliver production science pipelines and visualizations. Her contributions to high-profile open-source projects include backend work on the JWST Python library (spacetelescope/jwst), improving optical models for grism and prism modes used in space observations. Comfortable across platforms from Unix clusters to cloud tooling, she pairs deep domain knowledge in multi-wavelength instrumentation and calibration with a knack for documentation, training, and cross-center collaboration. Colleagues rely on her for translating science drivers into robust, testable software and for leading reviews, workshops, and post-release support.
17 years of coding experience
25 years of employment as a software developer
The University of ArizonaMaster's degree Computer Science, Master's degree Computer Science at Loyola University Maryland
German, English
Github Skills (2)
astropy10
python10
Programming languages (9)
Github contributions (5)
spacetelescope/jwst
Jun 2016 - Jan 2019
Python library for science observations from the James Webb Space Telescope
Role in this project:
Backend Developer
Backend DeveloperContributions:114 commits, 63 PRs, 28 pushes in 2 years 7 months
Contributions summary:Megan primarily focused on modifying and updating the `jwst` Python library, specifically related to the `ami` and `transforms` modules, which involve science observations from the James Webb Space Telescope. The user implemented improvements to the Snell law and refraction models, including new functionality and corrections for optical components like prisms. The changes involved code adjustments across various files, including improvements for grism mode.
python-librarypythonsciencewebbjwst
spacetelescope/aXe_c_code
Apr 2016 - Jul 2022
Just the C code contained in the current aXe package
Contributions:4 commits, 2 PRs, 4 pushes in 6 years 4 months
axe
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