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Open nowPosted today

Estimator

MyCareersFuture90,627 open roles

Pay
SGD 4,600 – SGD 5,300 a month
Where
West, Singapore
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Your applicationOpen nowEstimatorMyCareersFuture · West, Singapore

  1. YouYes, apply to this one.

  2. CV RocketCV written for this posting.

  3. 25 readersRecruiter, hiring manager, skeptic. Round after round.

  4. CV RocketApplied on MyCareersFuture's own form.

The reply lands in your private mailbox

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The clock on this job

Early applications get read.

8.5% of postings close within 7 days. Measured by our own scanner across the market. MyCareersFuture postings stay open a median of 7 days.

Share of postings closed within
  1. 1.8%1 day
  2. 4.0%3 days
  3. 8.5%7 days
  4. 15.4%14 days
  5. 34.1%30 days
This job: posted today

MyCareersFuture median: 7 days open

The posting

Job Summary

We are looking for an experienced Estimator to handle tender preparation and cost estimation for both Project Works and Turnaround (TA) / Shutdown / Plant Maintenance Works in the Oil & Gas, Petrochemical, and Industrial sectors.

The successful candidate must be able to independently evaluate tender requirements, perform quantity take-offs, estimate manpower and equipment requirements, and prepare accurate and competitive tender proposals.

Key Job Responsibilities

  1. Review tender enquiries, scope of work, engineering drawings, specifications, and contractual requirements to identify project requirements and potential risks.
  2. Prepare detailed cost estimates and tender proposals for both mechanical project works and TA / shutdown / maintenance works.
  3. Perform material quantity take-offs (MTO), manpower estimation, equipment costing, and subcontractor cost evaluation.
  4. Estimate costs for mechanical works, including piping fabrication and installation, storage tank repair, structural steel works, equipment installation, maintenance, and associated activities.
  5. Develop manpower and resource estimates for TA / shutdown works, taking into consideration productivity rates, work sequences, shift arrangements, overtime, and tight execution schedules.
  6. Attend site visits, tender briefings, and clarification meetings to assess site conditions, accessibility, construction methodologies, and execution constraints.
  7. Source, obtain, and evaluate quotations from suppliers and subcontractors to ensure technical compliance and cost competitiveness.
  8. Prepare comprehensive tender cost breakdowns, including labour, materials, equipment, subcontractors, consumables, logistics, preliminaries, overheads, and contingencies.
  9. Identify scope gaps, technical uncertainties, commercial risks, and potential variation items, and prepare the necessary tender clarifications, qualifications, and exclusions.
  10. Coordinate with project managers, site personnel, engineering teams, and subcontractors to develop practical execution methodologies and realistic cost estimates.
  11. Prepare preliminary work schedules, manpower deployment plans, and equipment requirements to support tender pricing.
  12. Assist in post-tender clarifications, commercial negotiations, variation order quotations, and cost evaluations.
  13. Maintain and update tender cost databases, unit rates, manpower productivity records, and historical project costs to improve estimation accuracy.
  14. Ensure all tender submissions are completed accurately and within the required deadlines.

Job Requirements

  • Degree in Mechanical Engineering, Electrical Civil Engineering, Quantity Surveying, or a related discipline.
  • Minimum 5–10 years of relevant experience in tendering and cost estimation within the Oil & Gas, Petrochemical, or Industrial Plant Maintenance industry.
  • Experience in both Project and TA / Shutdown / Maintenance tendering is required.
  • Good knowledge of mechanical works, piping, storage tanks, structural steel, and industrial maintenance activities.
  • Ability to read and interpret engineering drawings, P&IDs, isometric drawings, and technical specifications.
  • Strong understanding of manpower productivity, construction methodologies, and equipment requirements.
  • Proficient in Microsoft Excel, Microsoft Power Point, Microsoft Project and other Microsoft applications.
  • Good analytical, communication, and coordination skills.
  • Able to work independently, manage multiple tenders, and meet tight deadlines.
  • Willing to attend site visits and be posted to site when required.
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