Quantity Surveyor at O.K. Isokariari (Nigeria) Limited – Port Harcourt, Rivers

O.K. Isokariari (Nigeria) Limited is recruiting a full-time Quantity Surveyor in Port Harcourt, Rivers State. The role combines construction cost control, contracts administration and project planning.

Role Description

The Quantity Surveyor will work on-site in Port Harcourt in a full-time capacity, supporting the financial and contractual management of construction projects.

Day-to-day responsibilities include preparing and managing Bills of Quantities (BOQ), conducting cost estimates, and monitoring project budgets throughout the project lifecycle.

The role involves cost planning, cost control, and cost reporting to ensure projects are delivered within agreed financial targets and timelines.

The Quantity Surveyor will collaborate with project managers, engineers, and procurement teams, review contracts and variations, evaluate contractor claims, and contribute to tender preparation and bid evaluations.

The role also requires maintaining accurate records, preparing periodic financial reports, and supporting continuous improvement in commercial and cost management practices.

Additionally, this role requires strong competency in project scheduling and time-cost control to align procurement, cash flows, and resource allocation directly with site execution milestones.

Responsibilities

• Prepare detailed cost estimates, budget forecasts, and bills of quantities (BOQ) for civil engineering, infrastructure, and building projects.
• Perform meticulous material take-offs and cost analysis from engineering drawings and site specifications.
• Manage interim valuations, site measurements, and prepare payment applications for clients and subcontractors.
• Develop baseline project schedules and work breakdown structures (WBS) in coordination with Project Managers and Site Engineers.
• Monitor schedule progress against cost performance (Earned Value Management) to detect variances, delay risks, and budget overruns early.
• Align material procurement and labor resource schedules directly with the master construction timeline to optimize site cash flow.
• Prepare tender documentation, evaluate subcontractor quotes, and negotiate subcontracts to secure optimal commercial value.
• Manage variation orders, site instruction evaluations, claims for extension of time (EOT), and financial risk assessments.
• Perform final account reconciliations with clients, sub-contractors, and suppliers at project handover.

Required Skills and Qualification

• B.Sc. or HND in Quantity Surveying, or a related discipline.
• 7 -10 years proven experience in commercial cost control and project planning within civil engineering, infrastructure, and heavy construction sectors.

Software Mastery

• Planning Tools: Advanced expertise in Primavera P6 and Microsoft Project.
• Costing & CAD Tools: Advanced MS Excel (financial models, formulas, conditional tracking), AutoCAD, and takeoff software (CostX / PlanSwift / QuickScale).
• Deep understanding of standard methods of measurement (BESMM, CESMM, NRM), condition of contracts (FIDIC / Standard Nigerian Construction Terms), cost value reconciliation (CVR), and critical path method.
• Registration with NIQS, RQS, PMI (PMP/PMI-SP), or equivalent professional bodies is an added advantage.