Senior Estimator

Trs Staffing Solutions, Inc.; Saudi Arabia; On-site; SAR 420,000 - 660,000; Full time

Job summary

Trs Staffing Solutions, Inc. in Jubail, Saudi Arabia, is seeking a Senior Estimator to develop detailed capital cost estimates for brownfield petrochemical plant modifications, revamps, debottlenecking, and facility upgrades.

The role requires a Bachelor's in Engineering and 12–15 years of cost estimating experience in petrochemical, chemical processing, refining, or industrial manufacturing, with 5+ years in brownfield projects and familiarity with AACE practices.

Qualifications

• Bachelor's Degree in Engineering (Mechanical, Chemical, Civil, Electrical, or related discipline).
• 12–15 years of cost estimating experience in petrochemical, chemical processing, refining, or industrial manufacturing projects.
• 5+ years direct experience supporting brownfield modifications, revamps, debottlenecking, or plant expansion.

Responsibilities

• Develop and prepare detailed capital cost estimates for brownfield petrochemical plant modifications, revamps, debottlenecking, and facility upgrades.
• Prepare conceptual, feasibility, FEED, and definitive estimates for projects within existing operating facilities.
• Review engineering documents, site surveys, P&IDs, plot plans, equipment lists, and material take-offs to ensure accurate cost development.
• Estimate costs for tie-ins, hot work, demolition, temporary facilities, plant shutdowns, turnarounds, and construction within live environments.
• Evaluate labor productivity, access restrictions, permitting requirements, and operational constraints in brownfield projects.
• Develop indirect cost estimates including construction management, temporary facilities, scaffolding, insulation removal/reinstatement, and site support.
• Support risk and contingency analysis by identifying brownfield-specific execution challenges and estimating their cost impact.
• Coordinate with engineering, operations, maintenance, turnaround, and project controls teams to validate scope and assumptions.

Skills

Cost estimation

Petrochemical

Brownfield projects

EPC/EPCM

Education

Bachelor's Degree in Engineering

Tools

ACCE

Cleopatra

CostOS

Prism

Job description

Our client is proud to design and build projects and careers. They are committed to fostering a welcoming and collaborative work environment that encourages big-picture thinking, brings out the best in their personnel, and helps them develop innovative solutions that contribute to building a better world together. If this sounds like a culture you would like to work in, you are invited to apply for this role.

Client is looking for a Senior Estimator

Project Type: Oil & gas, Petrochemical, Power plant, Refinery

Location: Jubail, Saudi Arabia

Requirements/Qualification

• Bachelor's Degree in Engineering (Mechanical, Chemical, Civil, Electrical, or related discipline).
• Minimum 12-15 years of cost estimating experience in petrochemical, chemical processing, refining, or industrial manufacturing projects.
• Minimum 5 years of direct experience supporting brownfield modifications, revamps, debottlenecking, or plant expansion projects.
• Strong understanding of plant turnaround and shutdown activities.
• Experience preparing estimates during Conceptual, FEED, and Detailed Engineering phases.
• Proficiency with cost estimating software such as ACCE, Cleopatra, CostOS, Prism, or equivalent.
• Knowledge of AACE estimating classifications and recommended practices.
• Experience supporting EPC, EPCM, and self-perform project execution models.
• Professional certification such as AACE CCP, CEP, PSP, or equivalent is preferred.

Preferred Experience

• Brownfield petrochemical facilities.
• Ethylene, propylene, polymers, specialty chemicals, and downstream processing plants.
• Plant expansion and debottlenecking projects.
• Major shutdowns and turnaround projects.
• Capital projects exceeding USD 100M.
• Middle East industrial project experience.

Responsibilities

• Develop and prepare detailed capital cost estimates for brownfield petrochemical plant modifications, revamps, debottlenecking projects, and facility upgrades.
• Prepare conceptual, feasibility, FEED, and definitive estimates for projects executed within existing operating facilities.
• Review engineering documents, site surveys, P&IDs, plot plans, equipment lists, and material take-offs to ensure accurate cost development.
• Estimate costs associated with tie-ins, hot work, demolition, temporary facilities, plant shutdowns, turnarounds, and construction within live operating environments.
• Evaluate labor productivity impacts, access restrictions, permitting requirements, and operational constraints typically encountered in brownfield projects.
• Develop indirect cost estimates including construction management, temporary facilities, scaffolding, insulation removal and reinstatement, and site support requirements.
• Support risk and contingency analysis by identifying brownfield-specific execution challenges and estimating their potential cost impact.
• Coordinate closely with engineering, operations, maintenance, turnaround, and project controls teams to validate project scope and estimate assumptions.
• Analyze contractor and vendor quotations, benchmark costs against historical projects, and provide recommendations to improve estimate accuracy.
• Prepare estimate basis documentation, cost reports, management presentations, and investment-grade estimates to support project approvals and funding decisions.