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System Administrator with Microsoft COTS specialisation

Spektrum

Braine-l'Alleud, Belgium (Spektrum Management Group Ltd) Remote permanent

Posted: February 11, 2026

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Quick Summary

We are looking for a System Administrator with Microsoft COTS specialisation to join our team in Braine-l'Alleud, Belgium.

Job Description

Spektrum have a wide range of exciting opportunities in several global locations.

We are always looking to add great new talent to our team and look forward to hearing from you.

Spektrum supports apex purchasers (NATO, UN, EU, and National Government and Defence) and their Tier 1 supplier ecosystem with a wide range of specialist services. We provide our clients with professional services, specialised aerospace and defence sales, delivery, and operational subject matter expertise. We are looking for personnel to join our team and support key client projects.

Who we are supporting

The NATO Communication and Information Agency (NCIA) is responsible for providing secure and effective communications and information technology (IT) services to NATO's member countries and its partners. The agency was established in 2012 and is headquartered in Brussels, Belgium.

The NCIA provides a wide range of services, including:

• Cyber Security: The NCIA provides advanced cybersecurity solutions to protect NATO's communication networks and information systems against cyber threats.

• Command and Control Systems: The NCIA develops and maintains the systems used by NATO's military commanders to plan and execute operations.

• Satellite Communications: The NCIA provides satellite communications services to enable secure and reliable communications between NATO forces.

• Electronic Warfare: The NCIA provides electronic warfare services to support NATO's mission to detect, deny, and defeat threats to its communication networks.

• Information Management: The NCIA manages NATO's information technology infrastructure, including its databases, applications, and servers.

Overall, the NCIA plays a critical role in ensuring the security and effectiveness of NATO's communication and information technology capabilities.

The program

Assistance and Advisory Service (AAS)

The NATO Communications and Information Agency (NCI Agency) is NATO’s principal C3 capability deliverer and CIS service provider. It provides, maintains and defends the NATO enterprise-wide information technology infrastructure to enable Allies to consult together under Article IV, and, when required, stand together in the face of attack under Article V.

To provide these critical services, in the modern evolving dynamic environment the NCI Agency needs to build and maintain high performance-engaged workforce. The NCI Agency workforce strategically consists of three major categorise's: NATO International Civilians (NIC)'s, Military (Mil), and Interim Workforce Consultants (IWC)'s. The IWCs are a critical part of the overall NCI Agency workforce and make up approximately 15 percent of the total workforce.

Role ID – C004657

Role Duties and Responsibilities

• 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 utilisation of resources with regards to licensing and capacity management;

• Load users and workstations into a datacentre – centric infrastructure;

• Install and document remote application provisioning services based on, but not limited to, Windows Remote App concept;

• Liaise with the Agency's Centralised Service Desk for incident, problem and change management;

• Have the capacity to troubleshoot and perform RCA with critical mind

Essential Skills, Experience and Certifications

• 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.

Language

• Fluent in English.

Desirable Skills, Experience and Certifications

• Thin client, zero client deployment technology;

• Experience in remote application provisioning services based on, but not limited to, Windows Remote App concept.

Working Location

• Braine-l’Alleud, Belgium

Working Policy

• Onsite

Travel

• Some travel to other NATO sites may be required

Security Clearance

• Valid National or NATO Secret personal security clearance

We never know what new opportunities might be just over the horizon. If this opportunity isn't for you please feel free to send us your resume anyway and be the first to know if something suitable for your skills and experience comes up.

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