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The Role
We are currently seeking an experienced Offshore Quantity Surveyor to support pre-commissioning and hook-up change management activities across a major offshore project in Türkiye.
Reporting to the GPC East Hook-Up & Systems Completion Manager, you will play a key role in identifying, managing, and commercialising scope changes arising throughout the systems completion, pre-commissioning, and hook-up phases. This is a high-impact offshore role, working closely with engineering, completions, contracts, and cost control teams to ensure accurate and timely change management.

Key Responsibilities

• Support the Hook-Up & Systems Completion Manager, Hook-Up Leads, and Completion Managers with contractual change order preparation and submission
• Identify, document, and track scope changes arising from:
  • Mechanical completion punch lists
  • ITR close-outs
  • Commissioning sequence changes
• Prepare detailed Bills of Quantities (manhours, equipment, materials, engineering costs)
• Convert quantities into cost estimates in collaboration with Contracts and Cost Control teams
• Maintain a comprehensive change management register, tracking:
  • Status
  • Value
  • Client approvals
• Coordinate with discipline engineers (Mechanical, Piping, E&I) to ensure quantities align with technical solutions
• Liaise with vendors, subcontractors, and suppliers to collect supporting change data
• Prepare change order dossiers, estimates, reports, and templates as required
• Attend daily and weekly pre-commissioning and hook-up progress meetings to capture emerging changes
• Support submission of change orders to the Client and respond to clarifications
• Verify correct implementation of approved change orders on site
• Work closely with Cost Control to ensure all recoverable costs are captured
• Promote teamwork and contribute positively to offshore safety culture

Authority & Accountability

• Raise change notifications for pre-commissioning and hook-up scope deviations
• Request supporting documentation, timesheets, and cost data from completion teams and subcontractors
• Escalate issues outside site control when required

Key Interfaces
Internal

• Project Management
• Contracts & Cost Control
• Pre-Commissioning & Commissioning Leads
• Discipline Completion Engineers
• Planning & Scheduling

External

• Client
• Subcontractors, Vendors, and Suppliers

Required Skills & Experience

• Bachelor's degree in quantity surveying, Engineering, Contracts, or similar
• Minimum 3 years' experience as a Quantity Surveyor on offshore or major construction/energy projects
• Strong experience in change management and variation order handling
• Exposure to pre-commissioning, commissioning, or systems completion activities
• Familiarity with completions management systems (e.g. ICAPS, AssetWise or equivalent)
• Solid understanding of construction execution in offshore environments
• Multi-discipline awareness (Mechanical, Piping, Electrical, Instrumentation)
• Confident producing BOQs, estimates, and change documentation
• Fluent English (written and spoken)

Working Conditions

• Offshore rotation: 5 weeks on / 5 weeks off
• Back-to-back rotation capability required

Why Apply?

• High-profile offshore project
• Strong exposure to systems completion and change management
• Collaborative, safety-driven environment
• Competitive offshore package