Qiddiya Mega Project – Riyadh, Delta B (2024–2025): Directed approximately 34,000 m of drilling completed within 7 months; managed up to 25 drilling rigs simultaneously; Coordinated and supervised comprehensive in-situ testing programs, including PMT, PLT, packer permeability tests, and downhole seismic testing; reviewed and validated geotechnical reports for 11 assets., Key Cliff Assets (2020–2021): Executed approximately 14,500 m of drilling in steep escarpments; supervised deep rock coring, PMT, Lugeon, PLT, and seismic tomography; conducted structural geological mapping; supported slope stability analyses and geohazard assessments; prepared full interpretative reports., Phase I & II (2018–2024): Delivered more than 28,000 m of drilling; supervised MASW, Crosshole, and Downhole seismic surveys; coordinated laboratory testing; prepared and reviewed geotechnical reports for foundations, retaining walls, slopes, and underground structures., King Salman International Airport (KSIA) – Riyadh, Executed and supervised large-scale geotechnical investigation programs including drilling, CPTu, seismic surveys, and laboratory testing., Prepared, reviewed, and contributed to geotechnical factual and interpretative reports., Provided geotechnical input for runways, taxiways, terminal buildings, aprons, pavements, and infrastructure packages., Supported pavement design, foundation systems, and ground improvement assessments., Saudi Landbridge Railway Project (2013–2014), Participated in a 960 km railway corridor investigation., Supervised drilling of approximately 310 boreholes and excavation of 2,230 test pits., Coordinated extensive in-situ and laboratory testing programs., Prepared and reviewed geotechnical reports for track formation, earthworks, bridges, culverts, and railway structures. Diriyah Gate Development (DGDA) – Riyadh, King Salman Park – Riyadh, The Mukaab – New Murabba (Riyadh), Riyadh Metro Project, Sports Boulevard – Riyadh, King Abdullah Financial District (KAFD), Princess Nourah University – Riyadh, MOH Housing Projects