Sean Baker
Chief Technology & Senior Information Security Officer
Stuttgart, Baden-Württemberg, Germany
Summary
👤
Senior🎓
Top SchoolSean Baker is a seasoned technology and information security leader with 12 years of experience and over eight years steering IT and cybersecurity for the Uniformed Services University, where he leads 80 technologists supporting the Department of Defense’s medical training mission across the National Capital Region and globally. He blends hands-on engineering—in identity and access management contributions to the widely used Apereo CAS project—with enterprise architecture and program management to modernize complex, mission-critical systems. His background as an Army intelligence analyst and medical service officer informs a pragmatic, security-first approach to operational IT and large-scale deployments. Sean is skilled at translating rigorous security requirements into usable services for tens of thousands of distributed users and has a track record of leading cross-agency initiatives while maintaining audit readiness and continuous service delivery.
12 years of coding experience
6 years of employment as a software developer
N/A Korean Basic Course, N/A Korean Basic Course at Defense Language Institute Foreign Language CenterBachelor's Degree, Bachelor's Degree at University of DaytonPLDC / Warrior Leaders Course, PLDC / Warrior Leaders Course at U.S. Army
Stackoverflow
664reputation
127kreached
22answers
4questions
Github Skills (20)
testing10
user-authentication10
authentication10
java10
security10
javas10
sso-authentication10
springframework10
openid-connect9
ldap-authentication8
ldap-auth8
saml8
tomcat6
macos6
client-certificate6
Programming languages (1)
Github contributions (5)
apereo/cas
Apr 2014 - May 2015
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:45 commits, 2 PRs, 8 comments in 1 year 1 month
Contributions summary:Sean primarily contributed to the back-end functionality of the CAS (Central Authentication Service) project. Their work involved modifying core CASImpl classes, including making comparisons, testing, and handling MixedPrincipalExceptions. They also worked on Spnego (Simple and Protected GSS-API Negotiation) related functionality, addressing issues related to NTLMSSP signature storage and retrieval within the authentication flow and refining the SpnegoCredential class. These efforts demonstrate expertise in the core authentication and authorization aspects of the CAS platform.
signwebssoapereoapache2identity
seanrbaker/cas
May 2015 - May 2015
Contributions:13 pushes, 2 branches, 1 comment in 10 days
signsingle-sign-onsign-onoauth2cas
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