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

Turner & Townsend; Jakarta Selatan; On-site; IDR 1.333.555.000 - 1.666.945.000; Full time

Job summary

A leading global professional services company is seeking an experienced Cost Estimator to lead cost estimation for oil & gas and infrastructure projects in Jakarta, Indonesia. The ideal candidate must have over 15 years of experience, strong knowledge of cost structures, and excellent analytical skills. Responsibilities include preparing detailed cost estimates, conducting market analysis, and mentoring junior estimators. The role offers a competitive salary and benefits package.

Benefits

Competitive salary

Professional development opportunities

Qualifications

• 15+ years of experience in cost estimation for oil & gas or infrastructure projects.
• Experience with EPCI project environments and class II or III estimates.
• Proficient in civil, structural, mechanical, piping, electrical, instrumentation cost estimation.

Responsibilities

• Lead preparation of detailed cost estimates based on project definition.
• Develop and maintain Cost Breakdown Structure (CBS) aligned with reporting systems.
• Conduct market analysis and benchmarking using historical data.
• Identify cost-related risks and recommend contingency allowances.
• Collaborate with engineering and procurement teams for validation.
• Perform cost impact assessments for project scenarios.
• Prepare detailed cost reports and variance analyses.
• Provide validated cost estimates for final investment decisions.
• Supervise and mentor junior estimators.

Skills

Cost estimation

Analytical thinking

Communication skills

Team leadership

Understanding of Indonesian regulations

Risk analysis

Education

Bachelor's Degree in Engineering, Construction Management, or Quantity Surveying

Professional Certification (AACE CEP, RICS, PMP)

Job description

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. We are majority-owned by CBRE Group, Inc., the world’s largest commercial real estate services and investment firm, with our partners holding a significant minority interest. Turner & Townsend and CBRE work together to provide clients with the premier programme, project and cost management offering in markets around the world.

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.

Cost Breakdown & Work Breakdown Structures

• 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.

Benchmarking & Market Analysis

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

Risk & Contingency Analysis

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

Coordination with Client Engineering & Procurement

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

Scenario & Sensitivity Analysis

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

Reporting & Documentation

• 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.

Support for Final Investment Decision (FID)

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

Team Leadership & Quality Assurance

• 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).Bachelor’s Degree in Engineering, Construction Management, Quantity Surveying, or a related field (MEP or CSA)
• 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.

Additional Information

Join our social media conversations for more information about Turner & Townsend and our exciting future projects:

Twitter

Instagram

LinkedIn

It is strictly against Turner & Townsend policy for candidates to pay any fee in relation to our recruitment process. No recruitment agency working with Turner & Townsend will ask candidates to pay a fee at any time.

Any unsolicited resumes/CVs submitted through our website or to Turner & Townsend personal e-mail accounts, are considered property ofTurner & Townsend and arenot subject to payment of agency fees. In order to be an authorised Recruitment Agency/Search Firm for Turner & Townsend, there must be a formal written agreement in place and the agency must be invited, by the Recruitment Team,to submit candidates for review.