Senior Estimator

Worley


Date: 3 hours ago
City: Al Khobar
Contract type: Full time
Senior Estimator - AL 042T Company: Worley Primary Location: SAU-EP-Al Khobar Job: Project Cost Estimating Schedule: Full-time Employment Type: Employee Management Level: Individual Contributor Job Posting: Oct 7, 2025 Unposting Date: Nov 6, 2025 Reporting Manager Title: Estimating Manager :


Building on our past. Ready for the future

Worley is a global professional services company of energy, chemicals and resources experts. We partner with customers to deliver projects and create value over the life of their assets. We’re bridging two worlds, moving towards more sustainable energy sources, while helping to provide the energy, chemicals and resources needed now.

Responsibilities:

  • Assist and ensure adherence to the preparation and supervision of cost estimates in accordance with the approved procedures to cover the project phases from concept select to Detail Design and prepare Class V to I estimates.
  • Preparing cost Estimates for various types of projects (Oil & Gas, Infrastructure, Pipelines, Petrochemicals)
  • Deliver Capital Cost Estimates, with focus on enhancing accuracy and execution
  • Provide support in identifying, analyzing and providing innovative solutions to cost estimating problems.
  • Provide support in the development of estimating standards (SAEP-25 for Aramco), procedures and systems for the estimating of tenders and proposals
  • Provide cost estimating guidance to projects, establish the estimating scope of work, prepare estimate methodology and produce an overall estimate activity schedule identifying all deliverables and interfaces with other disciplines
  • Work with the team to define an appropriate Work Breakdown Structure (WBS) in accordance with the customer and project requirement.
  • Prepare the estimate plan to include: establishment of the estimating methodology and cost estimating principles applicable to the estimate preparation.
  • Review design scope criteria and quantities for completeness and coordinate with the project to develop additional estimating bases when information is incomplete.
  • Support the collection, verification, and integration across all work scope into the cost estimate
  • Compare and analyze scope, quantities, and cost data between projects. In comparison with previous estimates, outcome costs and vendor prices, carry out benchmark estimates through high level norms and industry standards
  • Support the development of future benchmarking and estimating tools
  • Develop escalation model where required and assist with the development of owners cost.
  • Coordinate identification of areas of risk in the compilation of cost estimates and evaluate appropriate levels of contingency. Where necessary perform Monte Carlo type risk analysis of costs estimates to determine contingency and accuracy levels.
  • Ensure sound quality of cost estimates adhering to the Worley Cost Estimating review procedures at varying project phases. At a minimum, all developed cost estimates must be reviewed by the Discipline Estimator or designee.
  • Prepare and present cost estimating information to management/customer. This may include the development of Basis of Cost Estimate report.
  • Provide supervision and assistance to planners in the development and integration of individual schedules into the total project plan.
  • Assist with cost estimating input into specific studies. Responsible for integration of activities and total work scope identification. Evaluate study results, critical path and recommended conclusions for project team consideration and discussion.
  • Review or assist in reviewing schedule/cost engineering and material control related provisions or proposals and develops supporting data for contract negotiations. Participate in establishing pricing structures to be applied to quantities for estimates.
  • Define project needs for cost control in accordance with contractual requirements, objectives and procedures.
  • Prepare cost trend estimates in support of project cost trend programs.

Technical and Industry Experience

  • Has experience in the oil / gas, hydrocarbon, refinery, offshore, or infrastructure industries; and has managed mega projects.
  • Thorough technical and practical estimating skills and able to consistently deliver quality, accurate and timely work to Worley and its customers.
  • Knowledge of the fundamental requirements of the discipline, and the basic requirements of other disciplines
  • Knowledge of applicable local and international standards and statutory and regulatory requirements.
  • Highly competent in the use of relevant software such as MS Office Suite and discipline specific software and tools.
  • Thorough technical, practical and leadership experience in the relevant discipline, including experience in project engineering and management with specialized estimating expertise.
  • A thorough understanding of project planning and scheduling experience and demonstrable leadership and managing a team across multi disciplinary and large scale projects.


    Education Qualifications, Accreditation, Training


  • Required:

  • A recognized degree in the relevant discipline or equivalent qualification/experience. Ideally in Engineering or Construction Management
  • Detail oriented, self-motivated, and resourceful, with strong interpersonal skills
  • Strong time management skills, confidentiality, and professionalism
  • Excellent communication and technical writing skills.
  • Preferred:

  • Familiar in using ASPEN Capital Cost Estimator, Cleopatra and any other estimating software is a value add.
  • Postgraduate qualifications in the relevant discipline; management or supervisory qualifications or equivalent qualification/experience

Moving forward together

We’re committed to building a diverse, inclusive and respectful workplace where everyone feels they belong, can bring themselves, and are heard. We provide equal employment opportunities to all qualified applicants and employees without regard to age, race, creed, color, religion, sex, national origin, ancestry, disability status, veteran status, sexual orientation, gender identity or expression, genetic information, marital status, citizenship status or any other basis as protected by law.

We want our people to be energized and empowered to drive sustainable impact. So, our focus is on a values-inspired culture that unlocks brilliance through belonging, connection and innovation.

And we're not just talking about it; we're doing it. We're reskilling our people, leveraging transferable skills, and supporting the transition of our workforce to become experts in today's low carbon energy infrastructure and technology.

Whatever your ambition, there’s a path for you here. And there’s no barrier to your potential career success. Join us to broaden your horizons, explore diverse opportunities, and be part of delivering sustainable change.

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