His specialties include solar X-ray, EUV and radio observations, time-domain analysis of solar phenomena, waves and pulsations in the solar corona, and flare energetic processes. In recent years, his interests have expanded to include magnetospheric waves and stellar flares. He also served as a developer of the SunPy project, serving on the board between 2013 – 2017.

Dr Inglis also supports current missions and future mission development. He is a long-time member of the RHESSI data analyis team, and since 2020 is a member of the Solar Orbiter/SPICE team. He was also a co-investigator for the FIERCE medium explorer and FOXSI small explorer mission concepts. He has co-authored more than 45 publications in top astrophysics journals, achieving an h-index of 23.