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NTT DATA Logo NTT DATA · Office Administration

Senior Office Coordinator & Executive Assistant

Belgium, Bruselas · Job Posted March 27, 2026
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Job Description

NTT DATA Belgium is seeking a highly experienced and self‑driven Senior Office Coordinator & Executive Assistant to ensure the smooth and efficient functioning of our Benelux office and to provide strategic administrative support to senior leadership. The ideal candidate thrives in a dynamic environment, anticipates needs before they arise, and operates with a high degree of professionalism, discretion, and ownership. This role combines executive-level support, office operations management, and cross‑functional coordination, requiring excellent communication, problem‑solving skills, and mature stakeholder management. You will be a central figure in the office, trusted by leadership, valued by employees, and essential to the organisation’s operational excellence.

Job Responsibility

  • Provide high‑quality executive assistance to senior managers, including complex diary management, prioritisation, and decision‑support preparation
  • Anticipate needs and proactively manage schedules, tasks, documents, and follow-ups
  • Prepare executive-level presentations, briefs, reports, and internal communications
  • Support strategic initiatives by coordinating tasks, deadlines, and stakeholders across departments
  • Always ensure discretion and confidentiality
  • Oversee the daily operations of the Benelux offices, ensuring a professional, efficient, and welcoming environment
  • Supervise interactions with external suppliers: facilities, security, cleaning, office services, and maintenance
  • Lead local office projects (layout improvements, equipment upgrades, sustainability initiatives, etc.)
  • Monitor budgets related to office supplies, small purchases, and vendor contracts
  • Ensure compliance with internal policies and local workplace standards
  • Act as the key operational liaison between local teams and corporate departments such as Finance, Procurement, Legal, HR, and Facilities
  • Support internal audits, process improvements, and policy implementation when required
  • Coordinate and leading the Personal assistants’ teams, ensuring alignment and clarity
  • Plan and deliver high‑quality business events: leadership meetings, workshops, visits, corporate activities, team gatherings
  • Coordinate all logistical aspects: venues, catering, agendas, communications, budgeting, and follow-up actions
  • Lead or support internal projects requiring strong planning and organisational capabilities
  • Contribute to a positive employee experience: onboarding, first‑day support, general office guidance
  • Maintain updated internal documentation, office guidelines, and communications channels
  • Communicate clearly and effectively with the Brussels office community

Requirements

  • 5–10 years of experience in a senior administrative, executive support, or office management role
  • Proven experience supporting senior leadership and managing complex operational responsibilities
  • Strong organisational, prioritisation, and multi-tasking skills with impeccable attention to detail
  • Excellent interpersonal skills and ability to influence and collaborate with various stakeholders
  • Fluency in English
  • French Dutch strongly preferred
  • Solid Microsoft 365 skills (Outlook, Teams, Excel, PowerPoint, SharePoint)

What we offer

  • Flexible Mobility Budget
  • OR public transportation reimbursement (PSC, PT, PS)
  • Annual collective bonus (executives)
  • Phone subscription(executives)
  • Medical insurance for you and your family
  • Life insurance & pension plan (EM, PTL, PSL, ISL, STL, SPL + executive)
  • Certification bonus scheme (Digital Technology)
  • Representation allowance
  • Teleworking equipment + internet allowance
  • Meal + Eco vouchers and more
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