Executive Leadership

The People Behind ARETEX Construction

Our multidisciplinary leadership team combines decades of professional experience across engineering, construction management, quantity surveying, quality assurance, business development, and legal advisory.

Every team member contributes specialised expertise gained throughout their individual professional careers, enabling ARETEX Construction to deliver integrated engineering and construction solutions with professionalism, technical excellence, and integrity.

Meet the Team

Executive Leadership Team

Led by Founder & General Manager Faisal Mattar Alharthi, the ARETEX team brings together specialists in engineering, project management, contracts, and legal advisory, working collaboratively to deliver integrated solutions and professional support throughout every stage of the project.

Engr. Faisal Mattar Alharthi, Founder & General Manager
Founder & General Manager

Engr. Faisal Mattar Alharthi

Saudi Arabian

Civil Construction Specialist combining technical infrastructure expertise with strategic business development, data-driven planning, and occupational health & safety leadership.

  • Drives strategic growth through market analysis, client acquisition, and partnership development
  • Supervised civil infrastructure works including stormwater networks and groundwater lowering projects
  • Applies GIS and data analysis tools to support engineering decision-making and technical reporting
Areas of Expertise
Business DevelopmentStrategic PlanningCivil InfrastructureStormwater & Groundwater ProjectsProject CoordinationQuantity Take-OffOccupational Health & SafetyRisk Management
Certifications
  • Saudi Council of Engineers
  • OSHA Certified
  • Project Management Professional (PMP) Training
Software & Tools
AutoCADPrimavera P6ArcGIS ProMicrosoft Office
Languages
Arabic (Native)English (Professional)
Notable Projects
Engr. Mostafa Ismail Mekhimar, Chief Executive Officer
Chief Executive Officer

Engr. Mostafa Ismail Mekhimar

Egyptian

Senior Electrical Engineer with 18+ years leading EPC infrastructure projects across water transmission, pumping stations, and industrial facilities in Saudi Arabia.

  • Led end-to-end delivery of large-scale water transmission and pumping station projects
  • Managed multidisciplinary teams across electrical, instrumentation, and SCADA systems
  • Oversaw procurement, cost estimation, and construction supervision on government contracts
Areas of Expertise
EPC InfrastructureWater Transmission & Pumping StationsMV/LV Electrical SystemsSCADA & InstrumentationTesting & CommissioningCost Estimation & BOQProcurement ManagementConstruction Supervision
Certifications
  • Saudi Council of Engineers
  • Project Management Professional (PMP) Training
Software & Tools
AutoCADMS ProjectMicrosoft Office SuiteSCADA Systems
Languages
Arabic (Native)English (Professional)
Notable Projects
Mr. Maher Al-Sahli, Senior Legal Advisor
Senior Legal Advisor

Mr. Maher Al-Sahli

Saudi Arabian

Senior Legal Advisor with more than 12 years of experience specialising in construction law, commercial contracts, FIDIC contracts, construction claims, corporate governance, and dispute prevention. Founder of a specialised law firm providing legal services for the construction and commercial sectors, while pursuing doctoral research in Islamic Jurisprudence.

  • Advises on FIDIC contracts, claims management, and dispute prevention for construction projects
  • Founder of a law firm specializing in corporate and commercial legal services
  • Combines active legal practice with doctoral research in Islamic jurisprudence
Areas of Expertise
Construction & Commercial ContractsFIDIC Contract AdvisoryCorporate GovernanceLegal Risk ManagementRegulatory ComplianceDispute Prevention & ArbitrationContract DraftingClaims Management
Certifications
  • Founder — Specialized Law Firm
  • Master of Islamic Jurisprudence
  • PhD Candidate — Islamic Jurisprudence
  • Legal & Sharia Advisor Fellowship
Memberships
  • Saudi Jurisprudence Society
  • Qadha Society
Software & Tools
Legal Research PlatformsContract Management SystemsMicrosoft Office Suite
Languages
Arabic (Native)English (Professional)
Notable Projects
Engr. John Wylor D. Saclote, Senior Quantity Surveyor
Senior Quantity Surveyor

Engr. John Wylor D. Saclote

Filipino

Licensed Civil Engineer with 10+ years of quantity surveying, cost control, and QA/QC experience on government infrastructure projects throughout Saudi Arabia.

  • Prepared detailed BOQs and cost estimates for roads, pipelines, and stormwater infrastructure
  • Managed QA/QC documentation and inspection planning on large civil contracts
  • Administered contracts and maintained compliance with government project standards
Areas of Expertise
Quantity Surveying & BOQCost Estimation & ControlQA/QC ManagementCivil InfrastructureRoads, Pipelines & DrainageReinforced Concrete & EarthworksMaterial Testing & InspectionContract Administration
Certifications
  • Licensed Civil Engineer
Software & Tools
AutoCADCivil 3DMicrosoft Excel
Languages
English (Professional)Filipino (Native)
Notable Projects
Engr. Felix Cortez, Quality Assurance Engineer
Quality Assurance Engineer

Engr. Felix Cortez

Filipino

Quality Assurance Engineer with extensive experience on large-scale infrastructure projects across Saudi Arabia, specializing in quality management systems, inspection, and regulatory compliance.

  • Delivered QA/QC oversight on advanced airbase facilities and major stormwater projects
  • Implemented quality management systems aligned with international engineering standards
  • Coordinated with consultants and clients to ensure full material and documentation compliance
Areas of Expertise
Quality Assurance & ControlInfrastructure & Airbase ProjectsStormwater, Water & WastewaterInspection & Material TestingQuality DocumentationEngineering Standards ComplianceSite Quality ManagementConsultant Coordination
Certifications
  • Quality Management Systems (QMS)
  • Construction Quality Assurance
Software & Tools
Quality Management SoftwareAutoCADMicrosoft Office Suite
Languages
English (Professional)Filipino (Native)
Notable Projects
  • Advanced Airbase Facilities
  • Groundwater Lowering Projects
  • Independent Sewage Treatment Plant
  • Jeddah Stormwater Project
Our Engineering Team

Multidisciplinary Engineering Expertise

Behind our leadership team is a growing workforce of engineers, project managers, site supervisors, and technical specialists — each selected for their expertise, professionalism, and commitment to quality.

Our engineering team spans civil, structural, mechanical, electrical, and architectural disciplines. We invest in our people through continuous training, professional development, and a culture of learning that keeps our capabilities at the forefront of the industry.

  • Civil and structural engineers with international project experience
  • MEP specialists across mechanical, electrical, and plumbing disciplines
  • Certified project managers and construction supervisors
  • Quality control and HSE professionals on every project
  • Quantity surveyors and commercial managers
  • BIM and digital engineering capability
ARETEX Construction engineering team at work

Join the ARETEX Team

We are always looking for talented engineers, project managers, and construction professionals to join our growing team.