Senior Principal Estimator

KBR; Singapore; On-site; SGD 100,000 - 150,000; Full time

Job summary

A global engineering firm in Singapore is seeking a Senior Principal Estimator to lead the estimating function for large-scale onshore and offshore FPSO projects. This role demands over 15 years of cost estimating experience in the oil and gas sector, with strong leadership abilities and proficiency in estimating software. The successful candidate will develop cost estimates, manage risks, and collaborate with various teams to ensure estimates align with client expectations. This position offers an exciting opportunity to contribute to innovative energy projects.

Qualifications

• Minimum 15 years of experience in cost estimating in the oil and gas industry.
• 4 years of management experience in offshore projects.
• Strong knowledge of FPSO design and operations.

Responsibilities

• Lead the estimating team for onshore and offshore projects.
• Develop estimating strategies and methodologies.
• Prepare detailed cost estimates for all project phases.
• Analyze project scope to identify risks and cost drivers.
• Present estimates to senior management and stakeholders.

Skills

Leadership in estimating teams

Cost estimation and analysis

Excellent analytical skills

Negotiation and communication skills

Education

Bachelor's degree in Engineering or Quantity Surveying

Master's degree in a relevant field

Tools

Aspen Capital Cost Estimator

Cleopatra

Job description

Title

Senior Principal Estimator

The Sr. Principal Estimator will lead the estimating function for large-scale onshore and offshore FPSO projects within the oil and gas sector. This role is responsible for developing, managing, and delivering accurate cost estimates across all phases of project development—from concept through execution—ensuring competitiveness, compliance, and alignment with corporate and client objectives.

Key Responsibilities

Leadership & Strategy

• Lead the estimating team for onshore and offshore projects, providing guidance, mentoring, and technical expertise.
• Develop estimating strategies, methodologies, and tools tailored to specific types of projects – FPSO project knowledge is a plus.
• Ensure estimates align with corporate standards, industry benchmarks, and client expectations.

Cost Estimation & Analysis

• Prepare detailed cost estimates for engineering, procurement, construction, installation, commissioning, and operations.
• Analyze project scope, technical specifications, and execution plans to identify cost drivers and risks.
• Benchmark estimates against historical data, market trends, and vendor quotations.

Collaboration & Stakeholder Management

• Work closely with engineering, procurement, project controls, and commercial teams to ensure integrated cost estimates.
• Liaise with clients, partners, and subcontractors to validate assumptions and secure competitive pricing.
• Present estimates and cost models to senior management and external stakeholders.

Risk & Value Management

• Identify cost risks and opportunities and develop mitigation strategies.
• Support value engineering initiatives to optimize project economics.
• Conduct sensitivity analyses and scenario planning for project decision‑making.

Systems & Compliance

• Maintain and enhance estimating tools, databases, and software systems.
• Ensure compliance with company policies, industry standards, and regulatory requirements.

Job Requirements

• Bachelor's degree in Engineering, Quantity Surveying, or related discipline (Master's preferred).
• Minimum 15 years of experience in cost estimating within the oil and gas industry, with exposure to offshore projects, of which 4 years should be in management.
• Strong knowledge of FPSO design, construction, and operations, including topsides, hull, mooring, and subsea interfaces.
• Proficiency in estimating software (e.g., Aspen Capital Cost Estimator, Cleopatra, or equivalent).
• Demonstrated leadership in managing multidisciplinary estimating teams.
• Excellent analytical, negotiation, and communication skills.