Scott Bradner was involved in the design, operation, and use of data networks at Harvard University since the early days of the Advanced Research Projects Agency Network. He was involved in the design of the original Harvard data networks, the Longwood Medical Area network (LMAnet) and New England Academic and Research Network (NEARnet). He was founding chair of the technical committees of LMAnet, NEARnet, and the Corporation for Research and Enterprise Network.
Bradner served in a number of roles in the Internet Engineering Task Force (IETF). He was the co-director of the operational requirements area (1993-1997), IPng area (1993-1996), transport area (1997-2003) and sub-IP area (2001-2003). He was a member of the Internet Engineering Steering Group (1993-2003) and was an elected trustee of the Internet Society (1993-1999), where he was the vice president for standards from 1995 to 2003 and secretary to the board of trustees from 2003 to 2016.
Bradner was also a member of the IETF Administrative Support Activity (IASA) as well as a trustee of the IETF Trust from 2012 to 2016.
Bradner retired from Harvard University in 2016 after fifty years working in computers, networking, security, and identity management. He still does some patent-related consulting.