[6169] Principal Assistant (Front Office & Administrative Support)

Mons, Belgium (100% On-site)
Contract until 31 December 2026 | Start: 17 August 2026
Clearance: NATO SECRET (mandatory)
The Role
This is a senior administrative and project support position within a NATO environment, combining front office coordination, PMO support, and stakeholder engagement. You’ll be central to keeping projects, teams, and communications running smoothly across a busy, structured organisation.
Key Responsibilities
• Provide front office support and act as a key coordination point for stakeholders
• Support project planning, scheduling, tracking, and reporting activities
• Maintain project tools (MS Project, ServiceNow) and project documentation
• Manage SharePoint sites, document libraries, and information registers
• Track budgets, expenses, and support financial reporting
• Coordinate resource planning, onboarding, and utilisation tracking
• Prepare presentations, reports, and stakeholder communications
• Organise meetings, calendars, travel, and logistics
• Support Statements of Work (SOW) preparation and project documentation
• Monitor project performance, including timesheet approvals
• Maintain SOPs, processes, and provide basic user guidance/training
• Handle customer and stakeholder communication across multiple channels
Requirements
• Active NATO SECRET clearance (required at submission)
• 5–7+ years in project support / PMO / administrative roles
• Strong experience with MS Project, ServiceNow, and SharePoint
• Proven background in information management and data quality
• Experience supporting budgets, expenses, and financial tracking
• Strong coordination and organisational skills
• Excellent stakeholder and customer communication experience
• Advanced Microsoft Office skills (especially Excel)
• Fluent English (written and spoken)


Desirable
• Experience in NATO, defence, or large international organisations
• Experience supporting front office or senior leadership environments
• Knowledge of resource management and onboarding processes
• Experience with SharePoint governance and process documentation
Key Details
• Full-time on-site role in Mons, Belgium
• Candidates must manage their own work eligibility in Belgium
• Contract extension possible based on performance and budget