Position: Office Manager - BelgiumLocation: Zaventem, Belgium (Office-Based with Regular Site Support Visits)Employment Type: Full-time, On-siteLanguages: English, Dutch and/or FrenchTSL – About usTSL is a leading technical engineering and construction partner operating across EMEA, the Americas and APAC. We are committed to creating the spaces to power the fourth industrial revolution, whilst ensuring we leave a positive environmental and social legacy for communities across the world. Specialising in Data Centres, Advanced Manufacturing, Logistics, Food and Pharmaceuticals, we are proud to deliver outstanding turnkey projects at speed, without compromise on safety or quality. Our team at TSL is focused on working with our clients and the entire supply chain to create a simple agenda concentrated on getting things done. At the heart of what TSL does is taking the ‘noise’ out of project delivery whilst ensuring that we are always engineering best value for money and fit-for-purpose solutions. Role Description The Office Manager will oversee and manage all administrative and office-related functions for our Belgium operations, while also supporting the wider needs of our construction site teams. This is a highly varied and hands-on role suited to a proactive and bilingual (ideally trilingual) individual who can balance operational efficiency with people-first support. You will work closely with your counterpart in the Netherlands and provide mutual support across regional operations, ensuring consistency and smooth coordinationKey Responsibilities Office Management & Administration Ensure the smooth daily running of the Belgium office Act as the primary point of contact for all office-related needs: maintenance, supplies, IT coordination, visitors, building access, etc. Manage office suppliers and service providers (cleaners, caterers, maintenance, etc.) Organise and coordinate meetings, team lunches, office events, director visits, and employee engagement initiatives (e.g. breakfasts, birthdays, social events) Maintain a clean, welcoming, and efficient office environment Travel, Accommodation & Logistics Coordinate business travel, including flights, hotel bookings, airport transfers, taxis, and short-term rentals Source and manage apartments and accommodation for project site teams Arrange car rentals, fleet logistics, and other travel requirements for site staff and management Onboard new employees on travel systems (e.g. Navan) Procurement & Finance Support Support the procurement process by raising and tracking POs (purchase orders) Liaise with finance to ensure invoices are received, approved, and processed on time Maintain logs for expenditure, supplier contracts, and recurring payments Fleet & Equipment Management Manage the company fleet in Belgium: lease contracts, insurance, maintenance schedules, and vehicle allocations Coordinate the delivery, setup, and inventory of laptops, mobile phones, SIM cards, and office equipment for new joiners Act as the liaison with IT support to resolve technical issues and coordinate hardware/software requests Team & Project Site Support Provide administrative support to construction project site teams as needed Act as a bridge between the office and site, ensuring site needs are met for materials, logistics, equipment, or accommodation Cover for Site Admin colleagues during holidays or absences Attend site visits when necessary to support logistics or admin needs People & Onboarding Welcome new joiners and ensure seamless onboarding: workstation setup, introductions, office orientation Set up employees on relevant systems (Navan, internal tools) Provide ongoing support to Directors, including diary coordination, local arrangements, and general operational assistance Requirements Experience & Background 5+ years of experience in office management, administration, or operational support roles Previous experience in construction, engineering, or project-based environments is highly desirable Strong understanding of office administration processes and systems Skills Highly organised and detail-oriented with strong multitasking ability Tech-savvy; confident using MS Office, travel booking systems, and basic IT troubleshooting Strong interpersonal and communication skills Able to work independently and take initiative Languages Fluent in English (required) Fluent in Dutch and/or French (required) Personal Attributes Proactive and hands-on Flexible and adaptable to changing priorities Service-oriented and approachable Strong sense of responsibility and ownership Team player who enjoys supporting others What We Offer The opportunity to be part of a growing international business with a strong team culture A role with variety, autonomy, and daily impact Career progression and development within a growing organisation If this position is of interest, please submit your most up to date CV.Our recruitment team will review your CV and if you meet our criteria, we will reach out to you for an informal discussionImportant As part of our recruitment process, reference checks will be conducted at the job offer stage. By applying for this position, you consent to these checks as a condition of employment.