As a teenager, Seward was inspired to seek a career within astronautics by the science fiction collection at her local library after her family moved to California, USA for a time.
[1] She attended University of Leicester, UK from 1997 and gained an MPhys degree in physics with Space Science & Technology in 2001.
Later she was a Senior Mission Systems Engineer within the Space Science Group on several projects including the early design of the ExoMars rover.
[3][1] She was also involved with meteorological satellites including Sentinel-5P[4] that observes air pollution and Aelous that records the Earth's wind speeds.
[5] She was involved in setting up the UK group of Women in Aerospace - Europe and has been its lead since 2016, and subsequently an executive board member.