Executive Assistant (NATO Secret) – Full‑time, Braine‑l'Alleud

About the role

This full‑time Executive Assistant position supports senior managers and leadership teams at the NATO‑related NIMSC Front Office in Braine‑l'Alleud, Belgium. The role requires an active NATO SECRET clearance and involves managing complex administrative processes, calendars, and high‑visibility meetings.

Key responsibilities

• Manage diaries, multi‑level calendars and recurring tasks for senior staff using advanced Outlook features.
• Organise and coordinate large meetings, conferences and distinguished visitor engagements.
• Handle sensitive and confidential information, ensuring appropriate distribution and follow‑up.
• Provide expert advice on desktop tools, office software interconnectivity and troubleshoot common issues.
• Support business administration services, monitor workflow effectiveness and recommend improvements.
• Maintain communication channels with internal and external stakeholders and assist with travel arrangements within Belgium and between NCI Agency offices.

Required profile

• Active NATO SECRET security clearance.
• Proven experience in executive or senior‑level administrative support.
• Strong organisational skills with the ability to prioritise competing demands.
• Excellent written and verbal communication in English.

Required skills

• Advanced use of Microsoft Outlook, Word, Excel and PowerPoint.
• Proficiency with calendaring software and complex scheduling features.
• Knowledge of office administration tools and desktop utilities.
• Ability to diagnose and resolve common software problems.