LiDAR-Survey Mapping Technician

JOB SUMMARY:

This is a hands-on technical production position supporting traditional surveying, UAS mapping, LiDAR, photogrammetry, mobile mapping, and terrestrial laser scanning projects.

INTER-RELATIONSHIPS:

Employees, Managers, and Supervisors throughout the corporation, and various external customers, vendors, consultants, and governmental regulatory officials.

MAJOR TASKS: 

• Process, review, classify, and extract features from LiDAR and point cloud datasets


• Perform 3D feature extraction from aerial LiDAR, photogrammetry, mobile LiDAR, and terrestrial laser scanning data


• Create detailed topographic and planimetric mapping.


• Extract features including roads, pavement, curbs, sidewalks, ditches, drainage features, buildings, fences, utilities, structures, and other visible improvements.


• Develop major and minor breaklines needed to accurately represent terrain and surface features.


• Generate point grids, terrain models, surfaces, and contours.


• Process UAS LiDAR and photogrammetry datasets.


• Work with mobile mapping and terrestrial/static scanning datasets.


• Register, georeference, combine, and evaluate point-cloud data from multiple sources.


• Perform QA/QC of LiDAR, mapping, surfaces, contours, and extracted features.


• Compare mapping data against survey control and independently collected check data.


• Identify data gaps, shadows, noise, registration issues, trajectory problems, poor geometry, and other conditions that may affect mapping accuracy.


• Prepare geospatial deliverables for Survey Project Managers, CAD technicians, engineers, and clients.


• Assist with large corridor, utility, industrial, and infrastructure mapping projects.


• Maintain organized project files and follow established production and QA/QC procedures.


• Communicate project status, data-quality concerns, and technical issues with Project Managers and other team members.

JOB SKILLS REQUIREMENTS: 

Equipment and Systems

• UAS LiDAR


• UAS photogrammetry


• DJI enterprise drone platforms


• Mobile LiDAR systems


• RIEGL LiDAR sensors


• 360-degree mobile mapping imagery


• Terrestrial/static laser scanners


• Trimble scanning and survey equipment


• GNSS and conventional survey control

Software

• TopoDOT


• TerraSolid


• MicroStation


• Trimble Business Center (TBC)


• Global Mapper


• DJI Terra


• DJI Modify


• Pix4Dmatic


• Virtual Surveyor


• CloudCompare


• Similar CAD, GIS, photogrammetry, LiDAR, or point-cloud software

JOB QUALIFICATIONS: 

• 2+ years of experience in surveying, LiDAR, photogrammetry, mapping, GIS, CAD, or a related geospatial field.


• Experience working with point clouds or other large geospatial datasets.


• Experience with topographic or planimetric feature extraction.


• Understanding of survey control and basic surveying principles.


• Understanding of coordinate systems, datums, projections, and elevations.


• Familiarity with breaklines, terrain models, surfaces, and contours.


• Ability to interpret aerial imagery, LiDAR, survey data, and engineering/construction drawings.


• Strong attention to detail.


• Strong computer and technical skills.


• Ability to recognize questionable or incorrect data instead of simply accepting automated results.


• Ability to troubleshoot technical problems and develop solutions.


• Ability to work independently while also collaborating with Project Managers and production teams.


• Ability to manage multiple projects and changing priorities.

PHYSICAL DEMANDS

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.  While performing the duties of this job, the employee is occasionally required to stand; walk; sit; use hands to finger, handle, or feel objects, tools, or controls; reach with hands and arms; climb stairs; stoop, kneel, crouch, or crawl; talk or hear.  The employee must occasionally lift and/or move up to 25 pounds.  Specific vision abilities required by the job include close vision, distance vision, depth perception, and the ability to adjust focus.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

MENTAL DEMANDS

The following mental demands are required to perform the essential functions of this job:  concentrate, conceptualize, cooperative work with others/teamwork, detailed work, frequent task changes, irregular schedule as needed, learn new tasks, interruptive /distractive environment, perform multiple tasks simultaneously, reasoning, problem solving, time pressures.

STANDARD WORK SCHEDULE

Topographic OM, Inc. in office Standard business hours is Monday-Friday from 8am-5pm.

The specific schedule for this role will be based on location and department.

WORK AUTHORIZATION/SECURITY CLEARANCE

Must be authorized to work in the United States.

TRAVEL

Travel to worksites may be required.

E-VERIFY

This employer participates in E-Verify.

DRUG-FREE WORKPLACE

This position is subject to initial and random Drug and Alcohol programs as directed by Company Policy.

AAP/EEO STATEMENT

Topographic, Inc. provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training.

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