Songqing joined Department of Computer Science at George Mason University in August, 2004 after he obtained his Ph.D. from The College of William and Mary, Department of Computer Science, High Performance Computing and Software Lab in July, 2004, under the supervision of Prof. Xiaodong Zhang. He received his B.S. and M.S. degrees in Computer Science and Engineering from Huazhong University of Science and Technology in China.

His research interests mainly focus on design, analysis, and implementation of algorithms and experimental systems in the distributed and networking environment, particularly in the areas of Internet Measurement, Modeling, Streaming, and Content Delivery, Mobile/Edge/Cloud Computing, and Network and System Security. He is the recipient of an NSF CAREER Award, an Air Force Office of Scientific Research's Young Investigator (YIP) Award, a Mason Emerging Researcher, Scholar, and Creator Award, a VSE Rising Star Faculty Research Award, a CS Rising Star Faculty Research Award, and multiple CS Outstanding Research Awards.