Full-time

Systems Administration Support Specialist (Windows OS)

Posted by SOS International LLC • Wiesbaden, Germany, Germany

📍 Wiesbaden, Germany 🕒 February 28, 2026

About the Role

Wiesbaden, DEU

Full-time

FLSA Status: Exempt

Clearance Requirement: Secret w/ T5

**Company Description**

Founded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions, tested leadership, and trusted results to enable national security missions worldwide.

**Job Description**

Overview

**_**This position is contingent upon contract award**_**

SOSi is seeking a **Systems Administration Support Specialist (Windows OS)** in **Wiesbaden, Germany** . The ideal candidate will possess expertise in the daily administration, maintenance, and optimization of Microsoft-based server environments. This role involves performing high-level administrative tasks, ensuring network and server availability, and managing secure user environments in support of theater-level mission requirements.

Essent...

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