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Open Systems Technologies Corporation

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.

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Jobs Posted

Mid ISSE

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...

Apr 1, 2026

Huntsville, AL

Senior Full Stack Developer

Open Systems Technologies Corporation

Mar 19, 2026

Alexandria, VA

Security Program Protection Specialist

Open Systems Technologies Corporation

The Research and Technology Protection (RTP) team develops and provides subject matter expertise in providing day-to-day security classification guidance and assessments of classified and controlled u...

Mar 19, 2026

Springfield, VA

Citrix Systems Engineer

Open Systems Technologies Corporation

Location: Chantilly VA, Alexandria VA, Gaithersburg, MDClearance: Top Secret with ability to sit for CI PolyRequired Certification: DOD 8140 (Security+)Job Description:The OST Spatial Solutions team h...

Mar 19, 2026

Chantilly, VA

Scrum Master

Open Systems Technologies Corporation

Mar 19, 2026

Annapolis Junction, MD

Windows System Administrator

Open Systems Technologies Corporation

Open Systems Technologies Corporation is looking for a Windows Systems Administrator to join our high performing cyber team in support of a large government enterprise environment.Responsibilitie...

Mar 19, 2026

Huntsville, AL

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