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BESIX

Builds infrastructure and develops property

Quantity Surveyor

Full-TimeUpdated on 10/23/2026
No salary listed
Mid
Bachelor's
Farciennes, Belgium
In Person
Project & Program ManagementProject Management

About the job

Requirements
  • A Bachelor's degree in Quantity Surveying, Construction Management, Engineering, Economics, or a related discipline.
  • Strong analytical and numerical skills to assess cost, entitlement, time impact, and contractual risk.
  • Sound understanding of construction contracts, variation management, claims, delay analysis, and subcontract administration.
  • Excellent communication, negotiation, drafting, and stakeholder management skills.
  • Proficiency with cost management, quantity take-off, document control, scheduling, reporting, and data analysis tools.
Responsibilities
  • Identify and assess potential change events arising from design modifications, Client instructions, technical queries, delays, disruptions, site conditions, and other project developments.
  • Prepare detailed cost estimates for change orders, including labour, materials, equipment, subcontractor costs, preliminaries, overheads, risks, and contractual mark-ups.
  • Coordinate with the planning team to evaluate time impacts, entitlement to extensions of time, and programme implications.
  • Prepare and submit fully substantiated change order packages to the Client within contractual deadlines, including notices, cost breakdowns, time analyses, and contractual justifications.
  • Review and assess subcontractor variation requests and claims.
  • Verify contractual entitlement, quantities, rates, and supporting documentation.
  • Challenge unsupported claims and formulate recommendations for approval, rejection, or negotiation.
  • Interpret contract conditions regarding entitlement, valuation methods, notice requirements, compensation mechanisms, and procedural obligations.
  • Maintain an accurate and structured Change Order Register, tracking status, submissions, negotiations, approvals, values, and schedule impacts.
  • Analyse project records, correspondence, meeting minutes, site reports, drawings, RFIs, NCRs, and other documentation to support or defend change positions.
  • Prepare commercial reports, change summaries, forecasts, risk assessments, and management briefings.
  • Negotiate change orders and commercial settlements with Clients, Subcontractors, and suppliers.
  • Participate in commercial, contractual, and project meetings.
  • Advise project management on contractual risks, opportunities, commercial exposure, and recovery strategies.
  • Work closely with project management, planning, engineering, legal support, site teams, Clients, and Subcontractors to gather and validate information required for successful change management.

About the company

BESIX Group builds complex buildings, civil infrastructure and marine works for public and private clients. Its construction teams deliver high-rise and industrial buildings, roads, tunnels, bridges, utilities and water-related projects across Europe, the Middle East, Africa and Australia. Flagship examples include the Burj Khalifa in Dubai, the Grand Egyptian Museum in Cairo and the Oosterweel Link in Antwerp. Its contracting business earns project revenue, while selected public-private partnerships include financing and operation as well as construction and maintenance services. Founded in 1909, BESIX Group is headquartered in Sint-Lambrechts-Woluwe, Brussels, Belgium.

Company Size

10,001+

Company Stage

N/A

Total Funding

N/A

Headquarters

Woluwe, Belgium

Founded

1909

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Simplify's Take

What believers are saying

  • Future assignments have contracted backing: BESIX's May 2026 results showed a EUR 6.7 billion year-end order book.
  • Employees have formal learning routes: BESIX targets five annual training days and lists 150-plus courses alongside its technical academies.
  • Brussels work gains another project: BESIX's September 2026 The Fifty Six redevelopment contract covers 18,000 square metres, due spring 2028.

What critics are saying

  • Site safety remains critical: BESIX reported three 2025 fatalities in May 2026, two employees and one subcontractor.
  • Property development slowed: a May 2026 report linked BESIX RED's lower 2025 turnover to cost inflation and lengthy permits.
  • Relocation has lasted years: one BESIX plant manager described 17 years with the group abroad.

What makes BESIX unique

  • Property and investment operate separately: BESIX gives each its own division alongside construction and specialist affiliates.
  • Design stays close to construction: BESIX keeps soil engineering, concrete technology and digital construction modelling in-house.
  • Specialist businesses broaden project scope: BESIX combines Franki foundations, Socogetra roads and Unitec utilities with regional contractors.

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