Lead Cost Estimator

Turner & Townsend Limited; Daerah Khusus Ibukota Jakarta; On-site; IDR 100.000.000 - 200.000.000; Full time

Job summary

A leading company in the energy sector is seeking a skilled Cost Estimator to lead detailed cost estimation processes for complex projects. The ideal candidate will have over a decade of experience in the field and contribute to enhancing the company’s operational efficiencies. This role offers an opportunity to take part in major projects, ensuring adherence to budget expectations and delivering high-quality results.

Qualifications

• 10–15+ years of experience in cost estimation for oil & gas, LNG, or infrastructure projects.
• Proficient in developing detailed cost estimates for civil, structural, mechanical, electrical disciplines.
• Experience in identifying cost risks and applying appropriate contingency factors.

Responsibilities

• Lead preparation of detailed cost estimates based on project definition.
• Ensure estimates reflect engineering deliverables and vendor data.
• Prepare detailed cost reports and variance analyses for client review.

Skills

Analytical thinking

Attention to detail

Communication

Education

Degree in Quantity Surveying, Engineering or Construction Management

Bachelor’s Degree in Engineering, Construction Management, or related field

Tools

Aspen Capital Cost Estimator

Primavera P6

MS Excel (advanced level)

Job description

• Department: Energy and natural resources

Company Description

Working in partnership with our clients, we deliver major projects and programmes with skill and precision, by focusing on outcomes and driving high performance.

Delivering innovative solutions and exceptional outcomes across our sectors, we drive the success of our client’s projects and programmes through effective planning, highly skilled teams, and rigorous controls.

Our capabilities include asset management, controls and performance, cost and commercial management, digital, procurement and supply chain, programme advisory, project management and sustainability. Backed by our extensive experience, we focus on outcomes to transform client’s projects and programmes.

With over 133 offices across 47 countries, we are an organisation of over GBP 1.5 billion turnover and 12,000+ talented team members across the world. In 2025, we are combining with CBRE’s Project Management business to create the premier, differentiated programme, project, and cost management capability globally. Through this change, our profile in Asia will scale significantly, comprising a team of over 4000 staff across all major countries in region. The combination of our programme management and project management and commercial management capabilities will provide a unique opportunity to do things for our clients.

Job Description

• Lead the preparation of detailed, discipline-level cost estimates based on 30–70% project definition and
• Ensure estimates reflect the latest engineering deliverables, vendor data, and construction methodologies.
• Develop and maintain a structured CBS aligned with client's project coding and reporting systems and
• Integrate CBS with WBS to ensure traceability and consistency across all cost elements.
• Conduct benchmarking using historical data and industry standards.
• Analyse market trends, vendor pricing, and regional cost factors (especially for Indonesia and Southeast Asia).
• Identify cost-related risks and uncertainties.
• Recommend appropriate contingency allowances and escalation factors in line with AACE Class II guidelines.
• Collaborate with engineering and procurement teams to validate quantities, specifications, and vendor quotes
• Ensure alignment between technical scope and cost assumptions.
• 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's FID 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).
• 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
• 10–15+ 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).
• Skilled in cost estimation tools such as:Aspen Capital Cost Estimator,Primavera P6,MS Excel (advanced level)
• Familiarity with regional and global cost databases and Ability to benchmark against similar LNG/EPCI projects.
• 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) and Familiarity with EPCI contract structures and commercial terms.

Additional Information

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