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Contact One Communications, Inc.
3506 System Administrator (Microsoft)

3506 System Administrator (Microsoft)

On site

Braine-l’alleud, Belgium

Freelance

11-02-2026

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Skills

PowerShell Scripting and Automation Change Management Operating Systems Windows Windows 10 Active Directory

Job Specifications

Required Security Clearance: NATO SECRET

DUTIES AND ROLE

Prepare and maintain operational workstation baseline for multiple networks within the agency.
Assure successful deployment of security updates and antimalware/data loss prevention endpoints.
Assure security hardening based on security settings and group policies.
Provide automated reporting on utilization of resources with regards to licensing and capacity management.
Load users and workstations into a datacenter-centric infrastructure.
Install and document remote application provisioning services based on, but not limited to, Windows Remote App concept.
Liaise with the Agency's Centralized Service Desk for incident, problem and change management.
Have the capacity to troubleshoot and perform RCA with critical mind.
Up to 10% travel across NATO Sites.

SKILL, KNOWLEDGE & EXPERIENCE

The candidate must have a currently active NATO SECRET security clearance.
Knowledge of the entire Microsoft Operating system product line administration, with focus on Windows 10 and Windows 11 as client operating systems.
Experience of Windows Administration and relevant certifications; e.g. MCITP.
Experience in client provisioning and bare metal install using MDT and SCCM (MCM) as toolsets.
Experience in troubleshooting client OS and software provisioning problems.
Experience in Application Provisioning technologies.
Experience in Group Policy Management, Active Directory.
Knowledge in scripting and automation mostly PowerShell but not limited to.
Fluent in English.
Optional: Thin client, zero client deployment technology.
Experience in remote application provisioning services based on, but not limited to, Windows Remote App concept.

About the Company

Contact One Communications, Inc. is a worldwide systems integration company providing leading edge Information Technology services including Engineering and Installation (E&I), Operations and Maintenance (O&M) and Force Protection in the fields of Cyber Security and Information Assurance, Perimeter Security and Telecommunications Infrastructure. We are a "go to" organization for rapid response requirements in support of expeditionary missions. We work on US Department of Defense (DoD), North Atlantic Treaty Organization (NA... Know more