Senior Geospatial Analyst - Calibration Analyst
Dewberry · Fairfax, VA · 2 mo ago
Consulting$105k–$135k/yrFull-time
Responsibilities
- Work on GIS/IT and Remote Sensing related projects for state and federal clients across the US.
- Perform sensor or swath calibration and alignment adjustment.
- Use mainstream commercial software suites (Bayesmap StripAlign, TerraSolid Products) or adjustments done in sensor vendor specific suites (Optech LMS, Riegl RiProcess).
- Have a strong conceptual understanding of sources of error in airborne lidar datasets and visualize translation and orientation errors.
- Align terrestrial, mobile, UAV lidar datasets, or have experience in academic environments.
- Experience in airborne lidar trajectory processing (Applanix PosPac MMS, Novatel Inertial Explorer).
- Extract lidar using sensor vendor specific processing suites (Riegl RiProcess, Optech LMS, Teledyne CARIS, GeoCue True View EVO).
- Strong understanding of aerial acquisition, GPS ground survey, and bathymetric calibration.
- Quality checks on data post acquisition, airborne and/or mobile trajectory processing, processing and extraction of Lidar data from raw formats, performing relative and absolute adjustments to Lidar data (calibration/alignment/registration).
- Perform QAQC on processed data to ensure it meets rigorous accuracy requirements, review and validate post-processed LiDAR data sets for completeness and accuracy, verify that data meets point density, spatial distribution, and classification requirements, assess point cloud characteristics including noise, gaps, overlap, and vertical/horizontal accuracy, document QA/QC findings and communicate results to project managers and technical staff.
- Create a variety of digital mapping/remotely sensed products using various software platforms, create and manipulate databases, elevation data processing and manipulation, Lidar macro creation, problem solving, report writing, creating scripts/models/macros in multiple GIS/Lidar platforms.
Requirements
- Bachelor's degree in Geography, GIS, or related field.
- 5+ years of experience in the GIS/Remote Sensing Field.
- Experience in either Lidar data extraction and/or swath alignment.
- In-depth knowledge of ESRI's software Terrascan PLTS tool kit experience a plus.
- Proficiency in basic computer applications, especially MS Office (Word, Excel, and Access).
- Strong verbal and written communication skills.
Qualifications
- Required experience in Lidar processing and elevation model creation/manipulation.