Lead Quantity Surveyor/Senior Cost Manager – Mining/Oil & Gas Projects

Lead Quantity Surveyor / Senior Cost Manager – Mining / Oil & Gas Projects Join to apply for the

Lead Quantity Surveyor/Senior Cost Manager – Mining/Oil & Gas Projects

role at

Turner & Townsend

Turner & Townsend is a global professional services company with over 22,000 people in more than 60 countries. Working with our clients across real estate, infrastructure, energy and natural resources, we transform together delivering outcomes that improve people’s lives. Working in partnership makes it possible to deliver the world’s most impactful projects and programmes as we turn challenge into opportunity and complexity into success. Our capabilities include programme, project, cost, asset and commercial management, controls and performance, procurement and supply chain, net zero and digital solutions.

Visit our website: www.turnerandtownsend.com

Job Description EPCI Cost Estimation

Lead the preparation of detailed cost estimates based on 30–70% project definition. Ensure estimates reflect the latest engineering deliverables, vendor data, and construction methodologies.

Develop and maintain a structured Cost Breakdown Structure (CBS) aligned with International coding and reporting systems. Integrate CBS with the Work Breakdown Structure (WBS) to ensure traceability and consistency across all cost elements.

Conduct benchmarking using historical data and industry standards. Analyze market trends, vendor pricing, and regional cost factors, particularly for Indonesia and Southeast Asia.

Identify cost-related risks and uncertainties. Recommend appropriate contingency allowances and escalation factors in line with AACE guidelines.

Collaborate with engineering and procurement teams to validate quantities, specifications, and vendor quotations. Ensure alignment between technical scope and cost assumptions.

Perform cost impact assessments for various project scenarios, including schedule delays, scope changes, and inflation.

Prepare detailed cost reports, variance analyses, and executive summaries for internal and client review. Ensure all cost data, assumptions, and methodologies are well-documented and auditable.

Provide validated cost estimates and supporting documentation to facilitate Client, cost base line, cost plan and FID's process.

Supervise and mentor junior estimators and analysts. Ensure quality control and consistency across all cost deliverables.

Qualifications

Degree in Quantity Surveying, Engineering or Construction Management (a combination of other degrees coupled with adequate experience will also be considered).

Professional Certification (preferred): AACE Certified Estimating Professional (CEP), RICS Chartered Cost Manager, PMP or equivalent project management certification.

15+ years of experience in cost estimation for oil & gas, LNG, or infrastructure projects.

Proven experience in EPCI project environments and Class II or Class III estimates.

Proficient in developing detailed cost estimates for all disciplines: civil, structural, mechanical, piping, electrical, instrumentation.

Strong knowledge of cost breakdown structures (CBS) and work breakdown structures (WBS).

Familiarity with regional and global cost databases and ability to benchmark.

Experience in identifying cost risks and applying appropriate contingency and escalation factors.

Strong analytical thinking and attention to detail, capable of preparing clear, concise cost reports and executive summaries.

Excellent communication skills for interfacing with clients, engineers, and procurement teams; ability to lead and mentor junior estimators and coordinate with multidisciplinary teams; understanding of Indonesian regulatory frameworks (e.g., SKK Migas, MINERBA) and familiarity with EPCI contract structures and commercial terms.

Seniority Level Mid-Senior level

Employment Type Full-time

Job Function Project Management, Consulting, and Engineering

Industries Construction, Civil Engineering, Business Consulting and Services

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