Posted:
February 28, 2026
Location:
Wiesbaden, Germany, Germany

Job Description

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 **Senior Systems Administration Support Specialist (Windows OS)** in **Wiesbaden, Germany** . The ideal candidate will possess senior-level expertise in the administration, maintenance, and optimization of Microsoft-based server environments. This role involves managing complex Windows OS architectures, overseeing Microsoft server products, and ensuring the stability of critical command and control or commercial communication systems...

Apply for this Job

Submit your application for the Senior Systems Administration Support Specialist (Windows OS) position at SOS International LLC.

Apply Now Save for Later

Job Overview

Job Type: Full-time
Location: Wiesbaden, Germany
Posted: February 28, 2026
Deadline: March 06, 2026