Photogrammetry Specialist

LiMAP AI Spatial Solutions Pvt Ltd specializes in cutting-edge geospatial technologies, delivering high-precision mapping, photogrammetry, and remote sensing services across infrastructure, environmental, and GIS sectors.

Job Summary

We are seeking experienced Photogrammetry Specialists with a strong technical background in aerial data processing, photogrammetry software, GIS integration, and LiDAR data management. The ideal candidates will be responsible for managing raw drone data, producing high-quality geospatial deliverables, ensuring accuracy through rigorous quality control, and supporting field teams with expert advice.

Key Responsibilities

1. Data Management

• Receive, organize, and archive raw drone data including images, flight logs, and GNSS/RTK/PPK files.
• Verify the quality of flight logs, metadata, and imagery.
• Maintain backup protocols and data archival as per company standards.

2. Image Processing

• Process aerial imagery using photogrammetry software such as Bentley ContextCapture / iTwin Capture Modeler, Pix4D, Agisoft Metashape, DJI Terra.
• Generate outputs including orthophotos/orthomosaics, DEM/DSM/DTM, point clouds, contours, and 3D meshes.
• Perform georeferencing using Ground Control Points (GCPs), RTK/PPK data as required.

3. Quality Control

• Review deliverables for accuracy, alignment, and completeness.
• Conduct accuracy assessments using RMSE, GCP comparisons, and reprojection error metrics.
• Reprocess data to ensure compliance with client or internal quality standards.

4. GIS and CAD Integration

• Import processed drone outputs into GIS platforms like QGIS and ArcGIS, as well as CAD software such as AutoCAD and Civil 3D.
• Assist in creating maps, overlays, and conducting spatial analysis.
• Export deliverables in formats requested by clients, including GeoTIFF, DXF, LAS, and SHP.

5. Reporting & Documentation

• Prepare comprehensive reports detailing processing methodologies, data quality, and final deliverables.
• Maintain logs of project activities, file versions, and processing parameters.
• Liaise with drone pilots and project managers to resolve data quality issues.

6. Field Team Support

• Collaborate with drone operators to optimize flight plans for data capture.
• Provide technical advice on camera settings, flight altitude, image overlap, and GCP placement.

Required Qualifications & Skills

• Bachelors degree in Geomatics, Geoinformatics, Remote Sensing, GIS, Civil Engineering, Surveying, or related fields.
• Certifications in Drone Mapping, Photogrammetry, or GIS are a plus.
• Minimum 5 years of professional experience in photogrammetry and geospatial data processing.

Core Technical Skills

• Photogrammetry Software: Bentley ContextCapture / iTwin Capture Modeler, Pix4D, Agisoft Metashape, DJI Terra.
• LiDAR & Photogrammetry Data Processing: Orthophoto generation, point cloud classification, 3D mesh reconstruction, RTK/PPK workflows, image stitching, 3D reconstruction algorithms, Photoshop edits.
• GIS Software: QGIS (basic operations, data validation).
• Coordinate Systems: Projections, EPSG codes, datum transformations.
• Database Management: PostgreSQL + PostGIS, SQLite/SpatiaLite.
• GNSS data processing & RTK/PPK corrections: Experience with tools like Emlid Studio, RTKLIB.

Preferred Skills

• Familiarity with Bentley iTwin Ecosystem (iTwin Capture, Manage, Experience).
• Experience with AI/ML applications for object detection in orthomosaics or point clouds.
• Python scripting for automation, batch processing, and QA checks.
• Knowledge of 3D & CAD software such as AutoCAD, Global Mapper, TerraSolid products.

Location & Candidate Profile

• Position based in Chennai.
• Candidates from Tamil Nadu, Bangalore, or Hyderabad preferred and encouraged to apply.