Senior Materials Engineer - Infrastructure Quality & Testing

Dar; Riyadh; On-site; SAR 300,000 - 540,000; Full time

Job summary

Dar, the founding member of the Sidara group, is seeking a Senior Materials Engineer to oversee materials engineering, testing and quality control for roads, bridges and infrastructure projects. The role ensures compliance with project specifications, international standards, and client requirements (MOT/RCRC).

You will provide guidance on materials selection, testing procedures, and quality verification, supporting the supervision team to achieve durability, safety, and performance.

Qualifications

• Bachelor’s degree in Civil or Materials Engineering; Master’s preferred.
• 15+ years of experience in materials engineering, testing, and QC for roads, bridges, and infra.
• Knowledge of international and Saudi standards (AASHTO, ASTM, BS, SASO, MOT).
• Experience with asphalt, concrete, soil and aggregate testing including mix designs.
• Familiarity with PMC/supervision projects and laboratory management systems.
• Proficiency in materials testing software and QA/QC reporting.
• Excellent communication and coordination with diverse project teams.
• Membership in a professional engineering institution is an advantage.

Responsibilities

• Review and approve materials submittals, mix designs, and data sheets.
• Evaluate sources of materials (quarries, asphalt plants, concrete batching plants) and obtain approvals.
• Coordinate with laboratories and suppliers for prequalification and quality certification.
• Supervise materials testing activities including soil, aggregate, asphalt, concrete, steel, and chemical tests.
• Verify the accuracy, calibration, and performance of laboratory equipment.
• Review and validate all laboratory test results, ensuring timely reporting and resolution of non-conformities.
• Ensure field and laboratory testing complies with ITPs and QA/QC procedures.
• Conduct site inspections to ensure materials are stored, handled, and applied per standards.
• Provide technical support to site teams in resolving materials-related issues.
• Identify non-conforming materials or work and recommend corrective actions.
• Liaise with clients, contractors, consultants, and testing laboratories.
• Coordinate with the Quality Manager and discipline engineers for consistent QC.
• Support the project’s technical team in reviewing contractor submissions.
• Maintain detailed records of material approvals, testing reports, and inspections.
• Prepare materials evaluation reports, test summaries, and compliance assessments.
• Track and report on materials performance, rejections, and trends.

Skills

Materials testing

QA/QC

Site inspections

Laboratory management

Technical reporting

Coordination

Communication

Education

Bachelor's Degree in Civil or Materials Engineering

Master's degree preferred

Tools

Materials testing software

QA/QC systems

Job description

Dar, the founding member of the Sidara group, is seeking a Senior Materials Engineer to oversee materials engineering, testing and quality control for roads, bridges and infrastructure projects. The role ensures compliance with project specifications, international standards, and client requirements (MOT/RCRC).

You will provide guidance on materials selection, testing procedures, and quality verification, supporting the supervision team to achieve durability, safety, and performance.