Open Systems Technologies Corporation
Donald Holtzer currently serves as Principal Systems Engineer at Open Systems Technologies Corporation, a position held since July 2020. Previously, Donald was the Info Security Engineer Manager for Identity Management at Neustar, Inc., where responsibilities included overseeing the IDM Team and managing various security technologies. Donald's extensive experience encompasses roles such as Principal Systems Engineer at Tangible Software, Senior Systems Administrator at Paladin Consulting, and several positions focused on IT and messaging services at NOAA and other organizations. With a background in UNIX systems and LDAP engineering, Donald has also contributed as an adjunct instructor in business technologies and possesses a robust educational foundation in music from prestigious institutions.
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Open Systems Technologies Corporation
Open Systems Technologies (OST) Corporation is a technology solutions company that has been providing customized, high-end security solutions to large-scale enterprises since 1996. Our team of experts employ a range of techniques and methodologies to support clients with best-of-breed solutions that are tailored to their unique technological environments. We have extensive experience working with both Fortune 500 companies and government entities to secure their software assets and protect their Information Technology and Software Intensive Infrastructure. Our capabilities include software development, technical assistance, systems integration, and enterprise security services. OST incorporates PMI methodology and CMMI processes, and holds certifications in software development and enterprise security.