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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

Software Engineer

Open Systems Technologies Corporation

Software Developer ProfileThe specific platform knowledge (currently MuleSoft) can be learned. What cannot easily be taught is the engineering mindset and the ability to build high-quality software.Wh...

Jun 29, 2026

Washington, DC

System Administrator

Open Systems Technologies Corporation

System Administrator (All Levels)Network Engineers | Storage Engineers | Platform EngineersLocations: Maryland and UtahClearance Required: Active TS/SCI with PolygraphCitizenship: U.S. Citizenship Req...

Jun 9, 2026

Annapolis Junction, MD

Software Integration Engineer

Open Systems Technologies Corporation

Software Integration Engineer (All Levels)Site Reliability Engineering (SRE) TeamLocations: Maryland and UtahClearance Required: Active TS/SCI with PolygraphCitizenship: U.S. Citizenship RequiredPosit...

Jun 9, 2026

Annapolis Junction, MD

Mid-Level APPs / OSS-BSS Support Engineer

Open Systems Technologies Corporation

We are looking for a Mid-Level APPs / OSS-BSS Support Engineer with experience in Oracle Communications environments, including BRM, Charging, Billing, Mediation, Provisioning, and Order Management. T...

May 8, 2026

Gainesville, VA

Oracle DBA

Open Systems Technologies Corporation

We are looking for a Mid-Level Oracle DBA with experience supporting BRM / ECE environments within the Oracle Communications / RODOD stack. Strong hands-on expertise in Oracle RAC, Data Guard, and SQL...

May 5, 2026

Gainesville, VA

Information Systems Security Officer

Open Systems Technologies Corporation

Information System Security Officer (ISSO)Location: Maryland Clearance Required: Active TS/SCI with PolygraphCitizenship: U.S. Citizenship RequiredPosition OverviewOpen Systems Technologies Corpo...

May 2, 2026

Annapolis Junction, MD

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