Office Manager

☞ Proximus Group

View: 110

Update day: 26-11-2025

Location: Brussels Brussels Capital

Category: Administrative / Clerical / Assistant Executive management

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Job content

Proximus Ada is the first Belgian Centre of Excellence dedicated to artificial intelligence and cybersecurity which are two key areas to help Belgian society meet the challenges of today and tomorrow.We are a dynamic and innovative company committed to fostering a collaborative and engaging work environment.We are looking for a highly organized and proactive Office Manager to join our team and ensure the smooth operation of our office.

The office manager will take on the day-to-day administrative functions. You will have a central role as a coordinator, point of contact, organizing company events and providing administrative support for both the Cybersecurity teams and our AI colleagues.
The office is located in BeCentral, above Central Station and shares this space with numerous start-ups in the IT & AI domain.

Key responsibilities:

Financial Management

  • PO & Invoicing Management: Oversee purchase orders, invoicing, and act as a liaison for B2B financial matters.
  • Financial Reporting: Prepare/manage financial reports, assist with timesheet management, and track/report R&D activities.
  • Budgeting: Monitor budget allocations, verify expenditures, and support financial forecasting.

Contract and Expense Management

  • Manage contracts with internal customers.
  • Provide support for office policies and procedures.
  • Analyse and manage expense notes and goods receipts.

Workplace management

  • Workplace Operations & Improvements: Oversee workplace operations, ensure office supplies, and manage logistics.
  • Event Organization Coordination: Organize monthly touchpoints, offsite events, and coordinate catering/event management.
  • Facilitate intra-office communication.
  • Foster Ada culture & mindset

Required skills

  • Proven experience (3+ years) as an Office Manager or in similar back-office role.
  • Financial acumen and experience with financial reporting and invoicing.
  • Proficiency in office software (e.g., MS Office suite (in particular: Excel, Outlook).
  • Expertise in dashboarding tools (Power BI) is a big plus.
  • Excellent organizational and multitasking abilities.
  • Strong communication and interpersonal skills.
  • Proactive with can do attitude.
  • Problem-solving skills and high attention to detail.
  • Ability to work independently and as part of a team.

Languages:

  • Bilingual: French and Dutch is required.
  • Professional working proficiency/fluency in English.
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Deadline: 10-01-2026

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