Jobs · Consulting · Virginia

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.

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