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OHLA USA

CAD Specialist

Full-TimePosted on 10/1/2026Deadline 10/1/27
$85k - $110k/yr
Mid
Lisle, IL, USA
In PersonTravel to project sites as needed.

About the job

Requirements
  • Experience with AutoCAD and/or Civil 3D.
  • Understanding of construction surveying principles and practices.
  • Ability to read and interpret roadway, grading, utility, and construction plans.
  • Experience processing and working with survey field data.
  • Understanding of coordinate systems, elevations, alignments, profiles, and surfaces.
  • Ability to communicate effectively with both office and field personnel.
  • Ability to manage multiple priorities in a fast-paced construction environment.
  • Valid driver's license and ability to travel to project sites as needed.
Responsibilities
  • Process GPS/GNSS, robotic total station, and other field survey data.
  • Convert field survey information into accurate CAD drawings and construction models.
  • Develop and maintain existing-condition surfaces, digital terrain models, alignments, profiles, and cross sections.
  • Prepare construction layout and staking drawings for field survey crews.
  • Assist with construction layout, verification, and troubleshooting of field conditions.
  • Compare design plans with actual field conditions and identify discrepancies.
  • Prepare as-built drawings and documentation.
  • Support earthwork quantity calculations and verification.
  • Develop and maintain 3D models used for construction, machine control, and field layout.
  • Review survey and CAD data for accuracy and perform quality control/quality assurance checks.
  • Coordinate with project engineers, superintendents, foremen, survey crews, and project managers.
  • Assist with RFIs, design revisions, quantity documentation, and other project-related technical requests.
  • Maintain organized project files, survey data, CAD files, models, and supporting documentation.
  • Support the integration of emerging construction technologies, including drone/UAS surveying, point clouds, LiDAR, and reality-capture data.
  • Perform other survey, CAD, and construction technology duties as required.
Desired Qualifications
  • Experience with Trimble Business Center (TBC).
  • Experience with Trimble GNSS receivers, robotic total stations, or Trimble Access.
  • Experience with heavy highway, roadway, bridge, or other heavy civil construction.
  • Experience developing construction staking/layout drawings.
  • Experience with earthwork quantities and volume calculations.
  • Experience with 3D construction modeling and machine-control models.
  • Experience working with point clouds, LiDAR, or reality-capture data.
  • Experience processing drone/UAS survey data.
  • Familiarity with MicroStation/OpenRoads.
  • Experience working on DOT or Tollway projects, particularly IDOT or Illinois Tollway projects.
  • Knowledge of survey QA/QC procedures and construction documentation.

About the company

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