Quantity Surveyor

EFFICIENT NETWORKS INTERNATIONAL (SINGAPORE) PTE. LTD.; Singapore; On-site; SGD 60,000 - 90,000; Full time

Job summary

EFFICIENT NETWORKS INTERNATIONAL (SINGAPORE) PTE. LTD. is seeking a Commercial Quantity Surveyor to manage commercial, contractual and cost aspects from tender to final account.

You will prepare detailed estimates, review tender requirements, and administer subcontract agreements to safeguard profitability. You will monitor budgets, track costs, and forecast project outcomes while handling variation claims and progress payments.

Qualifications

• Bachelor’s or Diploma in QS or related field.
• 3–5 years of experience in Quantity Surveying or Commercial Management.
• Proven knowledge of BOQ, cost control, and procurement processes.

Responsibilities

• Prepare detailed cost estimates and BOQ for tenders.
• Review tender drawings and project requirements.
• Prepare and administer subcontract agreements and review terms.
• Monitor project budgets and forecast costs.
• Prepare and price variation orders and assess subcontractor claims.
• Manage client progress claims and payment certifications.
• Assist in final accounts and project close-out.
• Support procurement and commercial negotiations.

Skills

Contract administration

Cost estimation

BOQ preparation

Cost control

Project budgeting

Progress claims

Variation orders

Procurement

Education

Diploma or Bachelor's Degree in Quantity Surveying, Building, Construction Management, Electrical Engineering or related

Tools

Microsoft Excel (advanced)

ERP or commercial management systems

Job description

Job Summary

The Commercial Quantity Surveyor is responsible for the commercial, contractual and cost management of projects from tender through final account.

The role supports business profitability by preparing accurate cost estimates, managing subcontractor and supplier contracts, evaluating variations, administering project claims, controlling project costs and ensuring timely commercial reporting.

The successful candidate will work closely with Operations, Project Management, Procurement and Finance to ensure projects are delivered profitably while protecting the Company's commercial and contractual interests.

Key Responsibilities

Tender &Estimation

• Prepare detailed cost estimates and Bills of Quantities (BOQ).
• Review tender drawings, specifications and project requirements.
• Obtain and evaluate supplier and subcontractor quotations.
• Develop competitive tender pricing and cost proposals.
• Maintain standard costing databases and unit rates.

Contract Administration

• Prepare and administer subcontract agreements.
• Review contract terms and commercial risks.
• Evaluate subcontractor quotations and claims.
• Manage contract correspondence and documentation.
• Maintain contractual records.

Cost Management

• Monitor project budgets and actual costs.
• Track labour, material and equipment costs.
• Forecast project costs and final account values.
• Identify commercial risks and cost-saving opportunities.
• Prepare monthly commercial reports.

Variation &Claims

• Prepare and price client variation orders.
• Assess subcontractor variation claims.
• Negotiate variation costs with clients and subcontractors.
• Monitor variation approval status.
• Maximise variation recovery and minimise unrecoverable costs.

Progress Claims& Payment

• Prepare client progress claims.
• Verify subcontractor progress claims.
• Measure completed works.
• Recommend payment certification.
• Monitor payment status, retention and outstanding claims.

Procurement Support

• Assist in sourcing subcontractors and suppliers.
• Evaluate quotations and recommend awards.
• Support commercial negotiations.
• Maintain approved vendor pricing.

Final Accounts

• Prepare final accounts.
• Negotiate project close-out.
• Verify final subcontract payments.
• Resolve outstanding commercial issues.

Additional Responsibilities

• Support telecommunications, Solar PV, EV charging and electrical infrastructure projects.
• Review project profitability.
• Develop standard cost libraries.
• Assist with commercial process improvements.
• Ensure compliance with contractual obligations.
• Support audits and internal governance.

Requirements

Education

• Diploma or Bachelor's Degree in Quantity Surveying, Building, Construction Management, Electrical Engineering or a related discipline.

Experience

• Minimum 3-5 years' experience in Quantity Surveying or Commercial Management.
• Experience in Electrical, Solar PV, M&E, Infrastructure or Telecommunications projects is preferred.
• Experience with subcontract administration and variation management.

Technical Knowledge

• Quantity Surveying principles.
• Contract administration.
• BOQ preparation.
• Cost estimation.
• Progress claims.
• Variation Orders.
• Procurement.
• Cost control.
• Project budgeting.
• Microsoft Excel (advanced).
• ERP or commercial management systems (preferred).