William is an enterprise security professional with more than 12 years of security engineering experience in the financial services industry. Current focus: Cloud Security Engineering and Enterprise Security Integration Recent accomplishments: • Enterprise SAML Integration Solution • Hybrid Cloud and on-premise Security Model • AWS IAM Integration with Enterprise User Repository • AWS Console AD SAML Access • AWS temporal credential AD SAML access service • Elastic EC2 Linux AD Integration solution • Enterprise Encryption and Key Management Model for AWS • Web Application and B2B Service Security Solution Engineering • Security Solution Engineering for GTR's SFTP based trade data transfers Previous accomplishments: designed, developed, and implemented a number of major enterprise security applications and security infrastructures for Statefarm Insurance Security expertise: AWS Security, DataPower, SafeNET, WebSeal, Tivoli Access Manager, Tivoli Directory Server, SAML SSO, SFTP, B2B web service, Active Directory, MIT Kerberos, and Apache security modules in enterprise J2EE Webshpere environment, Tomcat/JBoss vendor applications, and large scale .NET systems Open source contribution: Apache Kerberos authentication and authorization module (http://sourceforge.net/projects/modauthzad/) Specialties: security infrastructure architecting, security application design and development. System and security programming in C

Manager, Enterprise Cloud Engineering @ Security Engineering at DTCC Enterprise Cloud Engineering. Enterprise SAML integration solution. Hybrid Cloud and on-premise Security Model. AWS IAM Integration with Enterprise User Repository. AWS Console AD SAML Access. Elastic EC2 AD Integration solution. AWS Role based security AD Integration. Enterprise Encryption and Key Management Model for AWS From June 2014 to Present (1 year 8 months) Senior Security Architect, Web Security Engineering @ Security Engineering for Enterprise Web Platform. Web Application and B2B Service Security Solution Egineering for DTCC's Global Trade Repository (GTR) in Singapore and Netherlands. Security Solution Engineering for GTR's SFTP based trade data transfers. Authentication and Authorization Engineering From October 2010 to June 2014 (3 years 9 months) Senior Security Consultant, Enterprise Security @ Enterprise security engineering, Business Application Security, Security infrastructure design and development From July 2002 to October 2010 (8 years 4 months)

Master, Information Technology @ Illinois State University William Bai is skilled in: Security, Apache, Linux, Web Services, Java Enterprise Edition, Active Directory, Open Source, .NET, Integration, Websphere, Enterprise Architecture, Cloud Computing, Cloud Security, Enterprise Software, SDLC