Company Overview
Open System Technologies Corporation believes in the power of experience and expertise. That is why we are certified in a broad spectrum of capabilities to better serve our diverse clientele with flawless execution and exceptional client relationships.
At OST, we are proud to have assembled an experienced team of driven professionals who strive to keep us meeting new heights of performance.
Jobs Posted

Information Systems Security Representative (ISSR)
Open Systems Technologies Corporation
Open Systems Technologies Corporation is seeking an Information Systems Security Representative (ISSR) to provide support to the Information Systems Security Management team. The duties performed by t...
Feb 12, 2025
Washington, DC

Mid/Sr ISSO
Open Systems Technologies Corporation
Open Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions to support large organizations. Our capabilitie...
Feb 12, 2025
Merrifield, VA

Project Scheduler
Open Systems Technologies Corporation
Job Description:OST is seeking a Project Scheduler who is motivated by variety, is seeking a challenging environment for professional growth, and is interested in running large information technology...
Feb 12, 2025
Saint Louis, MO