Quantity Surveyor (QS) – Main Contractor / Developer

ORANGE DEVELOPMENTS PTE. LTD.; Singapore; On-site; SGD 50,000 - 70,000; Full time

Job summary

A construction company in Singapore is seeking a Quantity Surveyor to prepare cost estimates, manage contract duties, and conduct tender evaluations. The ideal candidate will have a Diploma or Degree in Quantity Surveying, 3–5 years of QS experience, and strong negotiation skills. This role requires attention to detail and the ability to work independently.

Qualifications

• Minimum 3–5 years of QS experience in construction.
• Strong understanding of SIA Conditions of Contract / PSSCOC.
• Able to work independently with strong attention to detail.

Responsibilities

• Prepare cost estimates, budget forecasts and detailed cost plans for all project stages.
• Review tender drawings, specifications, and contract documents.
• Manage pre- and post-contract QS duties, including progress claims.

Skills

Cost analysis

Tender evaluation

Contract administration

Negotiation skills

Communication skills

Education

Diploma / Degree in Quantity Surveying or equivalent

Job description

Job Description

• Prepare cost estimates, budget forecasts and detailed cost plans for all project stages.
• Review tender drawings, specifications, and contract documents to prepare accurate BOQ and tender packages.
• Conduct tender evaluations, comparison sheets, negotiation with subcontractors and suppliers.
• Manage pre- and post-contract QS duties, including progress claims, variation orders (VO), extension of time (EOT) submissions and final account closing.
• Monitor project cost, cash flow, budget control, and identify cost risks or savings opportunities.
• Verify subcontractor progress, site measurements, and prepare monthly payment certifications.
• Assess and certify VO claims from subcontractors and ensure compliance with contract clauses.
• Coordinate closely with Project Manager, Consultants and Site Team to resolve contractual and commercial issues.
• Assist in procurement strategy, sourcing materials/vendors, and preparing purchase recommendations.
• Maintain proper documentation for contracts, correspondences, VO logs, and cost tracking.
• Ensure all works executed comply with BCA, PUB, SCDF and relevant standards that may affect cost or contractual obligations.

Requirements

• Diploma / Degree in Quantity Surveying, Building or equivalent.
• Minimum 3–5 years of QS experience in construction (residential, landed, commercial or industrial).
• Strong understanding of SIA Conditions of Contract / PSSCOC.
• Proficient in cost analysis, tender evaluation, contract administration.
• Good negotiation and communication skills.
• Able to work independently with strong attention to detail and commercial awareness.