Estimating Specialist

Saudi Aramco; As Sudiyah; On-site; OMR 31,000 - 53,000; Full time

Job summary

Aramco is seeking an Estimating Lead to join the Estimating Services Division. The role will prepare, validate, and manage cost estimates for capital projects, coordinating with cross-functional teams to ensure accuracy and alignment with scope, schedule, and contract requirements.

You will lead the estimation process from conceptual to detailed design, identify risks, and help develop contingency plans while ensuring adherence to company standards and WBS.

Qualifications

• Bachelor's degree in Engineering (Mechanical/Chemical/Electrical)
• 10+ years cost estimating experience in oil & gas or industrial sectors
• Experience with conceptual to detailed design estimates and risk assessment

Responsibilities

• Prepare, review, and validate cost estimates at conceptual, preliminary, and detailed design stages.
• Collaborate with engineering and project teams to interpret scope and deliverables.
• Identify specialty items and ensure inclusion in estimates.
• Liaise with execution teams to secure quotations and meet minimum requirements.
• Prepare Estimate Packages with all required documentation and risk registers.
• Participate in gate reviews and develop contingency levels based on complexity.

Skills

Analytical thinking

Cost estimation

Problem solving

Team collaboration

Education

Bachelor's degree in Engineering

Tools

AACE guidelines

Unit rate estimating

Bottom-up estimating

Job description

Aramco occupies a special position in the global energy industry. We are one of the world’s largest producers of hydrocarbon energy and chemicals, with among the lowest Upstream carbon intensities of any major producer.

With our significant investment in technology and infrastructure, we strive to maximize the value of the energy we produce for the world along with a commitment to enhance Aramco’s value to society.

Headquartered in the Kingdom of Saudi Arabia, and with offices around the world, we combine market discipline with a generations’ spanning view of the future, born of our nine decades experience as responsible stewards of the Kingdom’s vast hydrocarbon resources. This responsibility has driven us to deliver significant societal and economic benefits to not just the Kingdom, but also to a vast number of communities, economies, and countries that rely on the vital and reliable energy that we supply.

We are one of the most profitable companies in the world, as well as amongst the top five global companies by market capitalization.

Overview

We are seeking a Estimating Lead to join the Estimating Services Division of the Project Management Office Department (PMOD) within the Engineering Services Organization.

Estimating Services are responsible for supporting the development and preparation of accurate, reliable, and consistent cost estimates for capital projects, collaborating with cross-functional teams to ensure alignment with project scope, schedule, and contractual requirements, following internal guidelines and other relevant standards.

The Estimating Lead will prepare estimates of probable costs of materials, labor and equipment, and subcontracts for construction projects based on contract bids, quotations, drawings and specifications. Review and spot check material take-off against IFB drawings, review project specification, execution strategy and site condition. Calculate construction cost based on total direct and in-direct man-hours and all-in rate. Material cost based on vendor quotations and bench mark against internal and external data.

Key Responsibilities

As the successful candidate, you will be required to perform the following:

• Prepare, review, and validate cost estimates at various project stages—conceptual, preliminary, and detailed design—ensuring compliance with company guidelines.
• Use historical data, vendor quotations, and engineering inputs to develop estimates with defined accuracy levels (e.g., Class 4 to class 1 estimates).
• Collaborate with engineering and project teams to understand and interpret project scope and deliverables.
• Identify specialty items (e.g., licensed equipment, DCS systems, exotic materials) and ensure they are appropriately included in the estimate.
• Liaise with execution agency to secure quotations for equipment and bulk materials, adhering to minimum quotation requirements based on project value.
• Validate in-house pricing data or adjust based on current market conditions.
• Ensure the Estimate Package includes all required documentation such as scoping documents, conceptual drawings, MTOs, vendor quotations, and risk registers.
• Participate in reviews and approvals at various stages (e.g., Gate 1, Gate 2, etc.).
• Identify cost risks and propose appropriate contingency levels based on project complexity and scope definition.
• Ensure all estimates adhere to Saudi Aramco Work Breakdown Structure (WBS) and other internal standards.
• Generate cost reports to track budget performance and forecast final execution costs.

As the successful candidate, you will have:

• A Bachelor degree in Engineering (preferably Mechanical, Chemical, or Electrical).
• A minimum of 10 years experience in cost estimating within the oil & gas, energy, or industrial sector.
• Proven experience in preparing conceptual, preliminary, and detailed design estimates.
• Strong understanding of international estimating guidelines such as AACE International (Association for the Advancement of Cost Engineering)
• Proficient in estimating tools and methodologies including unit rates, parametric estimating, and bottom-up estimating.
• Excellent analytical and problem-solving skills.

Work Location and Work Schedule

Work Location: Within Saudi Arabia – To be specified in Job offer

Work Schedule: Full Time - To be specified in Job offer

Job Posting Duration

Job posting end date: 12/31/2026

Working environment

Our high-performing employees are drawn by the challenging and rewarding professional, technical and industrial opportunities we offer, and are remunerated accordingly.

At Aramco, our people work on truly world-scale projects, supported by investment in capital and technology that is second to none. And because, as a global energy company, we are faced with addressing some of the world’s biggest technical, logistical and environmental challenges, we invest heavily in talent development.

We have a proud history of educating and training our workforce over many decades. Employees at all levels are encouraged to improve their sector-specific knowledge and competencies through our workforce development programs – one of the largest in the world.