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Estimation/Proposal Engineer

Ws Engineering & Fabrication Pte. Ltd.

D22 Jurong, Jurong Island, TuasPermanentS$4,000 – S$6,000/mo

Posted 16 Jul 2026

About this role

Job Descriptions: Prepare cost estimations based on the engineering inputs and vendor quotes, prepare proposals and lead clarifications with customers for E House line of business. - Review client RFQs, ITBs, specifications, layouts, and data sheets for E-House scopes. - Prepare technical and commercial queries/clarifications to clients. - Define scope of supply, battery limits, and exclusions in line with Wasco standards. - Prepare cost estimates for E-House structure, architecture, HVAC, fire & gas, cables, installation, and testing. - Obtain and evaluate quotes from vendors/subcontractors for electrical HVAC, F&G etc. - Prepare full technical-commercial proposals including compliance statements, deviations, data sheets, project schedule, man-hour estimates, and execution methodology. - Coordinate with Engineering, Projects, QA/QC, and Procurement to validate technical solutions and costs. - Attend pre-bid meetings and technical clarification meetings. - Identify technical, commercial, and schedule risks during bidding stage and propose mitigation. - Conduct internal bid reviews with management before submission. - Provide clean handover of awarded jobs to Project Management team with budget, scope, and key risks. Requirements: - Bachelor’s Degree in Electrical Engineering. Additional qualification in Project Management is a plus. - Proficient in MS Excel, MS Project/Primavera P6, AutoCAD/Navisworks viewer. - Minimum 3 years direct experience with E-House, Modular Substations, or Packaged Electrical Solutions.

What they're looking for

CablesDeviationsArchitectureregulatory standards

About Ws Engineering & Fabrication Pte. Ltd.

Industry: Manufacturing

Frequently asked questions

What does a Estimation/Proposal Engineer at Ws Engineering & Fabrication Pte. Ltd. do?

Job Descriptions: Prepare cost estimations based on the engineering inputs and vendor quotes, prepare proposals and lead clarifications with customers for E House line of business. - Review client RFQs, ITBs, specifications, layouts, and data sheets for E-House scopes. - Prepare technical and commer…

What skills does this Estimation/Proposal Engineer role need?

Key skills for this role include Cables, Deviations, Architecture, regulatory standards.

How much does a Estimation/Proposal Engineer at Ws Engineering & Fabrication Pte. Ltd. pay?

This role lists a salary of S$4,000 – S$6,000 per month.

Is this Estimation/Proposal Engineer role remote, hybrid, or on-site?

The listing is based in D22 Jurong, Jurong Island, Tuas. Check the posting for remote or hybrid options.

How do I apply for this Estimation/Proposal Engineer role?

You can apply directly on Ws Engineering & Fabrication Pte. Ltd.'s careers page. ApplyLah can tailor your résumé and cover letter to this exact role in seconds first.