Senior Engineer – Technical Quantities

Al Ayuni Investment and Contracting Company; Riyadh; On-site; SAR 200,000 - 300,000; Full time

Job summary

An infrastructure and construction firm in Saudi Arabia is looking for a Senior Engineer – Technical Quantities to lead quantity take-off and estimation across multiple projects. The ideal candidate should have a Bachelor’s degree in Civil Engineering or Quantity Surveying, along with 6-10 years of experience. Responsibilities include preparing and validating quantities, extracting data from drawings, collaborating with design teams, and supporting cost estimation activities. Strong analytical skills and proficiency in AutoCAD and estimation software are essential.

Qualifications

• Minimum 6-10 years of experience in technical quantity estimation in construction.
• Strong knowledge of international measurement standards.
• Proficient in quantity take-off software.

Responsibilities

• Lead the preparation and validation of quantities for infrastructure projects.
• Extract quantities from drawings and produce detailed BOQ.
• Coordinate with design teams to ensure quantity data alignment.

Skills

Technical quantity estimation

Strong analytical skills

Communication skills

Education

Bachelor’s degree in Civil Engineering or Quantity Surveying

Tools

AutoCAD

MS Excel

CostX

Bluebeam

Planswift

Job description

Job Summary:

We are looking for an experienced and detail‑oriented Senior Engineer – Technical Quantities to lead quantity take‑off and estimation activities across multiple infrastructure and construction projects. The ideal candidate will have a strong background in interpreting design documents, generating accurate quantities, and supporting the cost control, procurement, and project management functions.

This position plays a crucial role in ensuring the accuracy, consistency, and traceability of technical quantities throughout the project lifecycle from concept through execution and close‑out.

Key Responsibilities:

• Lead the preparation, verification, and validation of quantities for all disciplines (civil, structural, architectural, etc.) across infrastructure projects.
• Extract quantities from 2D drawings and 3D models (e.g., from AutoCAD, Revit, Civil 3D) and produce detailed Bill of Quantities (BOQ) using recognized standards (e.g., CESMM, POMI, SMM7).
• Coordinate with design and engineering teams to review construction drawings, IFC (Issued for Construction) documents, and ensure alignment with quantity data.
• Provide technical support to cost estimation, procurement, and planning departments through detailed quantity reports.
• Review and validate quantity reports prepared by junior engineers and external consultants.
• Support tendering and bid evaluations by providing detailed quantity breakdowns and assisting in pricing analysis.
• Conduct quantity variance analysis during design changes or value engineering exercises.
• Collaborate with BIM and CAD teams to ensure quantity take‑offs are aligned with the latest model and drawing revisions.
• Perform on‑site quantity validations as needed during execution phases.
• Maintain well‑organized and auditable records of quantity calculations, assumptions, and revisions.

Required Qualifications & Skills:

• Bachelor’s degree in Civil Engineering, Quantity Surveying, or a related discipline.
• Minimum 6–10 years of experience in technical quantity estimation within the infrastructure, transportation, or construction sectors.
• Strong knowledge of international standards for measurement (e.g., CESMM, POMI, NRM) and local market practices.
• Proficient in AutoCAD, MS Excel, and quantity take‑off software (e.g., CostX, Bluebeam, Planswift, etc.).
• Experience working with 3D/BIM tools such as Revit, Navisworks, Civil 3D, or equivalent is highly desirable.
• Strong analytical and problem‑solving skills, with excellent attention to detail.
• Good communication and leadership skills; capable of mentoring junior staff and coordinating across departments.
• Familiarity with construction materials, methods, and execution sequences.

Preferred Qualifications:

• Experience on large‑scale infrastructure projects (e.g., roads, rail, metro, airports, utilities).
• Knowledge of contractual procedures, cost management systems, or project controls.
• Exposure to project management tools (e.g., Primavera P6, MS Project).