Principal AssistantNATO - North Atlantic Treaty OrganizationBrusselsNATO Grade G12
Posted July 19, 2026
About this opportunity
Opportunity Overview
The North Atlantic Treaty Organization is hiring a Principal Assistant. This job is in Brussels and is at the NATO Grade G12 level. To apply, you must already have a valid NATO personnel security clearance or a valid personnel security clearance at the COSMIC TOP SECRET level. The Principal Assistant will work in the Office of the Secretary General, supporting the Secretary General and Deputy Secretary General. The job involves coordinating and supervising the work of other assistants and acting as the Personal Assistant to the Chief of Staff and Director of the OSG. The job requires working on site, with limited opportunities for telework. You may be called upon to work outside of normal business hours, including weekends and national holidays.
Benefits
- Salary at the NATO Grade G12 level
- Opportunities for professional development and advancement
Eligibility
- Must have a valid NATO personnel security clearance or a valid personnel security clearance at the COSMIC TOP SECRET level
- Must have at least a higher secondary level education
- Must have at least five years of experience in senior administrative support duties
- Must have extensive experience of NATO best practices and standards in information and data management
- Must possess advanced level (V) in one of NATO's official languages (English or French) and intermediate level (III) in the other
Required Documents
- Proof of valid NATO personnel security clearance or valid personnel security clearance at the COSMIC TOP SECRET level
- Proof of education level
- Proof of work experience
How to Apply
- Review the job requirements and ensure you meet the eligibility criteria.
- Prepare your application, including all required documents.
- Click the Apply button below to submit your application.
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