Assistant Quantity Surveying Manager

KAJIMA OVERSEAS ASIA (SINGAPORE) PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

KAJIMA OVERSEAS ASIA (SINGAPORE) PTE. LTD. seeks an Assistant Quantity Surveying Manager to oversee commercial and contractual aspects of construction projects from pre- through post-contract stages.

You will supervise junior Quantity Surveyors, prepare cost estimates, monitor budgets, and lead tendering and post-contract administration to ensure profitability and contractual compliance.

Qualifications

• Bachelor's Degree or Diploma in Quantity Surveying, Building, Construction Management, Civil Engineering, or related discipline.
• 7–8 years of relevant quantity surveying experience in the construction industry.
• Strong knowledge of pre-contract and post-contract quantity surveying practices.
• Experience in cost planning, tendering, procurement, contract administration, variation orders, and final accounts.

Responsibilities

• Review quantity take-offs using BIM and quantity surveying software.
• Review Bills of Quantities, Schedule of Rates, preliminaries, and trade preambles.
• Review tender/contract documentation for accuracy and compliance.
• Provide guidance to QS team during tender preparation.
• Prepare and review project cost estimates, budgets, and cost plans.
• Monitor budgets, forecast costs and cash flow.
• Analyse cost performance and identify cost-saving opportunities.
• Review lifecycle costing and value engineering proposals.
• Prepare commercial progress and profitability reports.
• Identify commercial risks and propose mitigation measures.
• Advise teams on alternative construction methods to optimize costs.
• Participate in procurement planning and subcontractor sourcing strategies.
• Evaluate tender submissions and prepare tender reports.
• Lead post-contract administration: interim payments, variations, final accounts.
• Monitor contractual compliance and support dispute resolution.
• Lead commercial meetings and prepare profitability reports.
• Mentor Senior QS and QS staff.

Skills

Analytical thinking

Negotiation skills

Leadership

Communication skills

Problem-solving

Education

Bachelor's Degree or Diploma in Quantity Surveying/Building/Construction Management/Civil Engineering

Tools

CostX

Glodon

Cubicost

Job description

Job Role

The Assistant Quantity Surveying Manager is responsible for managing the commercial and contractual aspects of assigned construction projects from pre-contract through post-contract stages. He/She oversees quantity take-offs, cost planning, tendering activities, procurement processes, contract administration, and final accounts to ensure projects are delivered within budget while meeting contractual obligations.

He/She supports the Quantity Surveying Manager in developing commercial strategies, monitoring project profitability, and identifying cost-saving opportunities. He/She provides guidance and technical support to Senior Quantity Surveyors and Quantity Surveyors, reviews their work, and ensures compliance with company policies, contractual requirements, and industry standards.

He/She works closely with clients, consultants, contractors, subcontractors, suppliers, and internal project teams to resolve commercial matters, negotiate contractual issues, and support project delivery.

He/She is analytical, commercially astute, and possesses strong leadership, negotiation, and communication skills. He/She is able to manage multiple projects independently while mentoring junior staff(s).

He/She will typically be stationed in the office and travel to project sites as required.

Key Responsibilities

Prepare Measurements and Tender Documentation

• Review and validate quantity take-offs using Building Information Modelling (BIM) and quantity surveying software.
• Review Bills of Quantities (BQ), Schedule of Rates (SOR), preliminaries, and trade preambles.
• Review technical specifications and tender / contract documentation prepared by consultants.
• Ensure accuracy of quantity measurements, admeasurements, and re-measurements.
• Review tender documentation for completeness and contractual compliance.
• Provide technical guidance to Quantity Surveyors during tender preparation.

Drive Cost Planning and Control

• Prepare and review project cost estimates, budgets, and cost plans.
• Monitor project budgets and forecast project costs and cash flow.
• Analyse project cost performance and recommend cost-saving initiatives.
• Review lifecycle costing and value engineering proposals.
• Prepare and review periodic commercial and profitability reports.
• Identify commercial risks and recommend mitigation measures.
• Advise project teams on alternative construction methods to optimise project costs.

Define Tender and Procurement Strategies

• Support procurement planning and subcontractor sourcing strategies.
• Review tender invitations and procurement documentation.
• Evaluate tender submissions and prepare tender comparison reports.
• Participate in tender negotiations and subcontract award recommendations.
• Ensure procurement activities comply with contractual and company requirements.

Manage Post-Contract Administration

• Review and certify interim payment claims and payment recommendations.
• Assess variation orders, extension of time (EOT), and contractual claims.
• Review and negotiate final accounts with clients and subcontractors.
• Monitor contractual compliance and commercial risks.
• Support dispute resolution and contract negotiations.
• Lead commercial meetings with project stakeholders.
• Prepare management reports on project profitability and financial performance.
• Supervise and mentor Senior Quantity Surveyors and Quantity Surveyors.

Requirements

• Bachelor's Degree or Diploma in Quantity Surveying, Building, Construction Management, Civil Engineering, or a related discipline.
• Minimum 7-8 years of relevant quantity surveying experience in the construction industry.
• Strong knowledge of pre-contract and post-contract quantity surveying practices.
• Experience in cost planning, tendering, procurement, contract administration, variation orders, and final accounts.
• Proficient in Microsoft Office and quantity surveying software (e.g. CostX, Glodon, Cubicost, or equivalent).
• Good analytical, negotiation, communication, and problem-solving skills.
• Ability to manage multiple projects independently and supervise junior Quantity Surveyors.