In the initial phase of her career, Nityanand worked as an Assistant Professor in medicine in KGMC, Lucknow where she served from October 1991 to November, 1993.[3] After that, she has been a faculty member at SGPGIMS from Nov 1993, initially in the Dept of Immunology and recently in the Dept of Hematology.[3]
She has also been a visiting fellow in immunology and hematology at Karolinska Institute, Stockholm in the year 1991–1992.