Position : Office Manager - Belgium
Location : Zaventem, Belgium (Office-Based with Regular Site Support Visits)
Employment Type : Full-time, On-site
Languages : English, Dutch and / or French
TSL – About us
TSL 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 coordination
Key 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 rentalsSource and manage apartments and accommodation for project site teamsArrange car rentals, fleet logistics, and other travel requirements for site staff and managementOnboard 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 timeMaintain logs for expenditure, supplier contracts, and recurring paymentsFleet & Equipment Management
Manage the company fleet in Belgium : lease contracts, insurance, maintenance schedules, and vehicle allocationsCoordinate the delivery, setup, and inventory of laptops, mobile phones, SIM cards, and office equipment for new joinersAct as the liaison with IT support to resolve technical issues and coordinate hardware / software requestsTeam & Project Site Support
Provide administrative support to construction project site teams as neededAct as a bridge between the office and site, ensuring site needs are met for materials, logistics, equipment, or accommodationCover for Site Admin colleagues during holidays or absencesAttend site visits when necessary to support logistics or admin needsPeople & Onboarding
Welcome new joiners and ensure seamless onboarding : workstation setup, introductions, office orientationSet up employees on relevant systems (Navan, internal tools)Provide ongoing support to Directors, including diary coordination, local arrangements, and general operational assistanceRequirements
Experience & Background
5+ years of experience in office management, administration, or operational support rolesPrevious experience in construction, engineering, or project-based environments is highly desirableStrong understanding of office administration processes and systemsSkills
Highly organised and detail-oriented with strong multitasking abilityTech-savvy; confident using MS Office, travel booking systems, and basic IT troubleshootingStrong interpersonal and communication skillsAble to work independently and take initiativeLanguages
Fluent in English (required)Fluent in Dutch and / or French (required)Personal Attributes
Proactive and hands-onFlexible and adaptable to changing prioritiesService-oriented and approachableStrong sense of responsibility and ownershipTeam player who enjoys supporting othersWhat We Offer
The opportunity to be part of a growing international business with a strong team cultureA role with variety, autonomy, and daily impactCareer progression and development within a growing organisationIf 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 discussion
Important
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.