Tender Estimator — Oil & Gas Projects & Shutdowns

OVERSEAS TECHNICAL ENGINEERING AND CONSTRUCTION PTE. LTD.; Singapore; On-site; SGD 60,000 - 100,000; Full time

Job summary

OVERSEAS TECHNICAL ENGINEERING AND CONSTRUCTION PTE. LTD. seeks an experienced Estimator to manage tender preparation and cost estimation for project works and TA/shutdown/maintenance in oil & gas, petrochemical, and industrial sectors.

The role requires independent evaluation of tender requirements, quantity take-offs, manpower and equipment estimation, and compelling tender proposals. You will source quotations, assess risks, develop comprehensive cost breakdowns, and coordinate with project

Qualifications

• Diploma in Mechanical Engineering, Electrical Civil Engineering, Quantity Surveying, or related discipline.
• 3–5 years of tendering and cost estimation experience in Oil & Gas, Petrochemical or Industrial Plant Maintenance.
• Experience in both Project and TA/Shutdown/Maintenance tendering is required.
• Proficient with MS Office tools and project estimation workstreams.

Responsibilities

• Review tender enquiries, scope, drawings, specs and contracts to identify requirements and risks.
• Prepare detailed cost estimates and tender proposals for mechanical projects and TA/shutdown works.
• Perform material take-offs, manpower estimation, equipment costing, and subcontractor evaluations.
• Develop cost breakdowns including labour, materials, equipment, and contingencies.
• Coordinate with project teams, site personnel and subcontractors to ensure realistic estimates.
• Attend site visits and clarification meetings to assess conditions and execution methods.
• Prepare VO considerations, clarifications, and exclusions for tender submissions.
• Maintain tender cost databases and historical project costs to improve accuracy.

Skills

Analytical skills

Communication

Coordination

Reading drawings

Education

Diploma in Mechanical Engineering

Diploma in Electrical Engineering

Diploma in Civil Engineering

Diploma/Certificate in Quantity Surveying

Tools

Excel

PowerPoint

MS Project

Job description

OVERSEAS TECHNICAL ENGINEERING AND CONSTRUCTION PTE. LTD. seeks an experienced Estimator to manage tender preparation and cost estimation for project works and TA/shutdown/maintenance in oil & gas, petrochemical, and industrial sectors.

The role requires independent evaluation of tender requirements, quantity take-offs, manpower and equipment estimation, and compelling tender proposals. You will source quotations, assess risks, develop comprehensive cost breakdowns, and coordinate with project