Site Quantity Surveyor (Mechanical)

Penta Global Engineering; Abu Dhabi Emirate; On-site; AED 360,000 - 600,000; Full time

Job summary

Penta Global Engineering in Abu Dhabi seeks a Site Quantity Surveyor (Mechanical) with 8+ years of experience in oil & gas projects. The role covers measurement, billing, contract admin, variation management, and cost control across onshore/offshore scopes.

The ideal candidate should have a degree/diploma in mechanical engineering and proven experience with QS principles in Gulf region contracts and EPC environments.

Qualifications

• 8+ years of experience in quantity surveying and billing within Oil & Gas subcontracting.
• Gulf/UAE oil & gas project experience preferred.
• Graduate or diploma in mechanical engineering with relevant QS exposure.

Responsibilities

• Verify and re-measure quantities of work in accordance with contract requirements, specifications, drawings, and preambles during all construction stages.
• Prepare and maintain BOQ from isometric drawings, plot plans, layouts, and specifications.
• Maintain records and tracking systems for BOQ quantities, measurements, and approved technical drawings.
• Check, verify, and maintain records of as-built/site measurements for client approvals.
• Calculate final contract values based on approved drawings, documents, final BOQ quantities, and contract adjustment formulae.
• Prepare, submit, and obtain approvals for monthly progress quantities and invoices.
• Monitor milestone achievements and payment schedules.
• Review and certify subcontractor and supplier invoices.
• Ensure timely preparation and submission of progress billing documents to clients.
• Demonstrate strong knowledge in piping fabrication and erection, pipeline works, testing and NDT activities.
• Utilize piping fabrication and erection software such as Amogh or equivalent systems.
• Monitor subcontracts, service contracts, and change orders throughout the project lifecycle.
• Prepare and manage change orders for scope changes and pricing revisions.
• Assist in preparing change orders for main contracts and subcontract agreements.
• Manage variation orders and maintain variation logs.
• Prepare and submit new unit rates for missing BOQ items.
• Estimate additional work items based on site instructions and variation requirements.
• Identify commercial risks and report findings to Site Manager.
• Prepare financial reports including actual costs and forecast balance costs.
• Support negotiations related to claims, disputes, and contractual changes.

Skills

Quantity surveying

Billing

Contract administration

Commercial management

Cost control

MS Office

Negotiation

Communication

Onshore/offshore

Education

Graduate Mechanical Engineer

Diploma in Mechanical Engineering

Tools

Amogh

Job description

I hope this message finds you well. We are currently seeking qualified and experienced professionals for the subjective position,

Based on your profile and experience, we believe this opportunity may be of interest to you.

Please find below the Job Description for your review:

• Job Title: Site Quantity Surveyor (Mechanical)
• Location: Onshore & Offshore Projects, Abu Dhabi, UAE
• Industry: Oil & Gas / EPC / Mechanical Subcontracting
• Experience Required: Minimum 8 Years
• Qualification: Graduate Mechanical Engineer / Diploma in Mechanical Engineering
• Proven experience in Quantity Surveying and Billing within Oil & Gas subcontracting companies in the Gulf region

Job Summary

The Site Quantity Surveyor (Mechanical) will be responsible for quantity surveying, measurement verification, billing, contract administration, variation management, and commercial control for mechanical construction activities related to Oil & Gas projects. The role involves close coordination with site execution teams, clients, subcontractors, and project management to ensure accurate measurement, invoicing, cost control, and contract compliance throughout the project lifecycle.

Key Responsibilities

Quantity Surveying & Measurement

• Verify and re-measure quantities of work in accordance with contract requirements, specifications, drawings, and preambles during all construction stages.
• Prepare and maintain Bills of Quantities (BOQ) from isometric drawings, plot plans, layouts, and specifications.
• Maintain records and tracking systems for BOQ quantities, measurements, and approved technical drawings.
• Check, verify, and maintain records of as-built/site measurements for client approvals.
• Calculate final contract values based on approved drawings, documents, final BOQ quantities, and contract adjustment formulae.

Billing & Invoicing

• Prepare, submit, and obtain approvals for monthly progress quantities and invoices.
• Monitor milestone achievements and payment schedules.
• Review and certify subcontractor and supplier invoices.
• Ensure timely preparation and submission of progress billing documents to clients.

Mechanical Scope Expertise

• Demonstrate strong knowledge and practical experience in:
• Piping fabrication and erection
• Pipeline works
• Testing and NDT activities
• Utilize piping fabrication and erection software such as Amogh or equivalent systems.

Contract & Commercial Management

• Monitor the performance of subcontract and service contracts throughout the project lifecycle.
• Review and validate monthly payment applications and final account settlements.
• Prepare and manage change orders for scope changes and pricing revisions.
• Assist in preparing change orders for main contracts and subcontract agreements.
• Manage variation orders and maintain variation logs.
• Prepare and submit new unit rates for missing BOQ items.
• Estimate additional work items based on site instructions and variation requirements.

Cost Control & Claims Management

• Identify and analyze commercial risks and report findings to the Site Manager.
• Calculate balance costs required for project completion.
• Prepare financial reports including actual costs and forecast balance costs.
• Support negotiations related to claims, disputes, and contractual changes.
• Assess supplier/subcontractor claims and prepare counterclaims and defenses.
• Review and document contract terms and conditions.

Coordination & Client Interaction

• Attend site meetings with clients, consultants, and subcontractors.
• Negotiate rates and commercial matters with clients and contractors.
• Coordinate with engineering, planning, and construction teams to ensure accurate commercial reporting and documentation.
• Strong knowledge of quantity surveying principles in Oil & Gas mechanical projects
• Expertise in contract administration and commercial management
• Familiarity with EPC project execution procedures
• Good understanding of construction drawings, specifications, and BOQ preparation
• Strong analytical, negotiation, and communication skills
• Proficiency in MS Office and quantity surveying/billing software
• Ability to work effectively in both onshore and offshore project environments

Preferred Experience

• Gulf/UAE Oil & Gas project experience preferred
• Experience working with ADNOC or major EPC contractors is an advantage
• Familiarity with offshore construction activities and documentation requirements preferred