[2] She is a professor emerita of electrical and computer engineering at Carnegie Mellon University,[3] a senior research scientist at the Laboratory for Information & Decision Systems at the Massachusetts Institute of Technology,[4] a senior staff member at the MIT Lincoln Laboratory, and the founding chief scientist of New Electricity Transmission Software in Massachusetts.
In 2002 she founded New Electricity Transmission Software and moved to Carnegie Mellon University as a full professor.
She retired from Carnegie Mellon in 2016 and returned to MIT as a visiting professor, senior scientist, and staff member at the Lincoln Laboratory.
[2] Although Ilić left Belgrade while it was still part of Yugoslavia, she is listed as Serbian by Academia Europaea.
[2] In 2021, Ilić was elected a member of the National Academy of Engineering for contributions to electric power system analysis and control.