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
Mission Support Administrator - Full Performance
Open Systems Technologies Corporation
Top Secret with Full Scope (FSP) Required.(U) This is full performance Mission Support Administrator (MSA) work in the in the WMA area. Full performance MSA work entails managing, executing and troubl...
Aug 7, 2025
Tysons Corner, VA
Misson Support Administrator - Developmental
Open Systems Technologies Corporation
Top Secret with Full Scope (FSP) Required.(U) This is Developmental Mission Support Administrator (MSA) work in the WMA. Developmental MSA work entails providing administrative or office management su...
Aug 7, 2025
Tysons Corner, VA
Principal Support Administrator
Open Systems Technologies Corporation
Top Secret with Full Scope (FSP) Required.(U) This is Principal Support work in the WMA area. Principal Support work entails providing direct executive administrative support to a principal or group o...
Aug 7, 2025
Tysons Corner, VA
