Lead Materials Engineer - Rail and Infrastructure Projects

Lead Materials Engineer
- Rail and Infrastructure Projects Job Snapshot
- Role:
Lead Materials Engineer

- Location:

Riyadh, Saudi Arabia
- Industry: Civil Engineering
- Function:
Civil & Structural Engineering

- Experience:

Minimum 10 years
- Job Type: Full Time
- Work Arrangement:
On-site

Position Overview:

Parsons is seeking an experienced Lead Materials Engineer to oversee construction material selection, specification compliance, quality testing, and technical evaluations for rail and infrastructure projects in Riyadh, Saudi Arabia. In this role, you will review and assess materials used in railway stations, tunnels, viaducts, depots, trackwork, roads, utilities, and associated infrastructure facilities. You will ensure that proposed materials comply with approved designs, project specifications, applicable international standards, and Saudi regulatory requirements.

The position involves reviewing contractor material submissions, overseeing laboratory and field testing, investigating material defects, evaluating suppliers, and providing technical recommendations on material durability and performance. You will collaborate with design, construction, procurement, and quality teams to support reliable material selection, construction quality, and long-term infrastructure performance. The successful candidate will have at least 10 years of relevant materials engineering experience, strong knowledge of construction material testing, and proven experience supporting major civil engineering or infrastructure projects.

• Review and approve construction material specifications and proposed materials for rail and railway infrastructure projects.
• Evaluate materials intended for stations, tunnels, viaducts, depots, trackwork, roads, utilities, and associated facilities.
• Assess concrete, cement, aggregates, reinforcement, structural steel, asphalt, and earthworks materials.
• Review waterproofing systems, grouts, coatings, sealants, geosynthetics, and other construction products.
• Verify compliance with approved designs, project specifications, international standards, and applicable Saudi regulations.
• Evaluate proposed material substitutions, alternative products, and innovative or sustainable construction materials.
• Provide technical recommendations regarding material suitability, durability, availability, and lifecycle performance.
• Coordinate with design, construction, procurement, and quality teams on material selection and specification requirements.

• Review and approve contractor material submittals, quality plans, inspection and test plans, and testing procedures.
• Oversee laboratory and field testing of concrete, soils, aggregates, asphalt, steel, waterproofing, grouts, coatings, and other construction materials.
• Review concrete mix designs, trial mixes, material certificates, laboratory reports, and test results.
• Verify that testing laboratories and equipment meet project requirements.
• Assess sampling procedures, testing methodologies, calibration practices, and acceptance criteria.
• Review test findings to determine whether materials meet approved technical specifications.
• Coordinate with quality personnel and contractors to address material testing concerns.
• Support consistent implementation of approved material inspection and testing requirements.

• Investigate construction material defects, failures, and nonconforming work.
• Assess concrete cracking, insufficient concrete strength, and surface defects.
• Investigate settlement, inadequate compaction, and earthworks-related material issues.
• Review waterproofing failures, pavement deterioration, and other…