Most recent duties included serving as task lead for a security analytics research and development task applying machine learning and heuristics to cybersecurity problems, and serving as MITRE's technical lead for support to a critical infrastructure protection program. Additional duties included serving as group lead responsible for personnel management, leadership, and mentoring of cybersecurity research and operations staff.Past duties have included serving as the technical operations cell lead of a team of malware analysts in support of a federal government Cyber Security Operations Center; providing subject matter expertise and technical leadership within MITRE's defensive cyber operations and security analytics capability areas; network security monitoring of corporate and government sponsor networks; reverse engineering of malware in support of incident response; serving as CSOC incident response lead for suspected Advanced Persistent Threat intrusions; serving as principal investigator of cybersecurity research into predicting adversary infrastructure using machine learning; acting as contributing researcher and co-author of original research into Android smartphone forensics and security; vulnerability assessment for both internal and government sponsor-owned networks; evaluation of vulnerabilities, tools, and emerging threats; developing concepts of operations and deployment architectures for enterprise-level information security tools; network performance monitoring and IT/IA services architecting for deployable command posts; embedded technical support to joint and multinational military exercises; and Information Assurance and Computer Network Defense (IA/CND) concept of operations development.