Project Estimator – Offshore

ARCS Ship Build Services Pvt. Ltd.

Location: Mumbai, Maharashtra, India

Employment Type: Full-Time | In office

Industry: Offshore Oil & Gas | Marine Engineering | Shipbuilding & Repair

Company Description

ARCS Ship Build Services Pvt. Ltd., based in Mumbai, India, is an established service provider specializing in offshore rig and platform revamping, shipbuilding and repair, structural steel renewal, piping, fabrication, equipment erection, and industrial shutdown projects.

We provide comprehensive engineering, maintenance, and technical manpower solutions to offshore rig operators, shipyards, shipping companies, and industrial clients, with a strong commitment to quality, safety, and timely project execution.

Role Description

We are seeking a technically competent and experienced Project Estimator – Offshore to join our team in Mumbai.

The successful candidate will be responsible for preparing accurate and competitive technical and commercial estimates for offshore rig refurbishment, platform revamping, marine fabrication, structural steel renewal, piping, equipment installation, and related engineering projects.

The position requires strong technical understanding, cost analysis capabilities, and the ability to evaluate project requirements from initial RFQ review through quotation submission and commercial negotiation.

Key Roles & Responsibilities

1. Project Estimation & Costing

- Prepare detailed project cost estimates, budgets, and Bill of Quantities (BOQs) for offshore, marine, and industrial projects.
- Estimate manpower, materials, consumables, machinery, equipment, transportation, mobilization, and demobilization costs.
- Develop competitive unit rates for structural steel fabrication, erection, steel renewal, piping,



and equipment installation.
- Evaluate direct and indirect project costs, overheads, contingencies, and anticipated profit margins.

2. Technical Evaluation & Tendering

- Review RFQs, technical specifications, engineering drawings, and project scopes of work.
- Conduct quantity take-offs from structural, mechanical, piping, and fabrication drawings.
- Prepare technical and commercial quotations, tender submissions, and cost breakdowns.
- Identify scope exclusions, project risks, assumptions, and commercial deviations.
- Participate in pre-bid discussions, technical clarifications, and commercial negotiations.

3. Offshore & Marine Project Assessment

- Estimate costs for offshore rig refurbishment, platform revamping, structural steel renewal, and marine repair activities.
- Assess requirements for shutdown projects, fabrication, welding, piping installation, and equipment erection.
- Evaluate manpower productivity, equipment utilization, offshore logistics, project duration, and site constraints.
- Coordinate with project engineers and site teams for technical assessments and onboard/site surveys when required.

4. Procurement & Vendor Coordination

- Obtain and evaluate quotations from suppliers, subcontractors, and equipment rental agencies.
- Coordinate with procurement teams to establish competitive material and service costs.




- Prepare comparative statements and support subcontractor/vendor selection.

5. Project Cost Control & Coordination

- Coordinate with engineering, procurement, operations, and project management teams to validate estimates.
- Support project budgeting, cost monitoring, variation estimation, and profitability analysis.
- Maintain estimation records, rate databases, historical costing information, and tender documentation.

Qualifications & Experience
- Diploma or Bachelor's Degree in Mechanical Engineering, Naval Architecture, Marine Engineering, Civil Engineering, or a related technical discipline.
- Relevant experience in project estimation, quantity surveying, tendering, or project costing within offshore, marine, shipbuilding, or industrial engineering sectors.
- Strong knowledge of structural steel fabrication, piping, welding, offshore repair, and equipment erection activities.
- Ability to interpret engineering drawings, technical specifications, BOQs, and project documentation.
- Proficiency in MS Excel, AutoCAD/DWG drawing interpretation, and estimation/costing tools.
- Good understanding of manpower productivity, material take-offs, project execution methodologies, and commercial pricing.
- Strong analytical, negotiation, communication, and organizational skills.
- Previous experience with offshore drilling rigs, oil and gas platforms, shipyards, or shutdown maintenance projects will be highly preferred.

How to Apply Interested and qualified candidates are invited to email their updated CV to:

[email protected]

Subject: Application for Project Estimator – Offshore | Mumbai

- Join ARCS Ship Build Services Pvt. Ltd. and contribute to challenging offshore, marine, and industrial engineering projects.

📌 Project Estimator- offshore (Mumbai)
🏢 Arcs Ship Build Services
📍 Mumbai