Posted: Jun 16, 2020

GIS Technician

LaSalle County IL - Ottawa, IL
Salary: $21.75 Hourly
Application Deadline: Jun 22, 2020

Essential Duties and Responsibilities:

The GIS Technician is responsible for the maintenance of the County’s land records Geographic Information Systems (GIS) databases.

  •  Responsible for County’s cadastral/parcel map maintenance.  Cadastral/parcel maps are maintained using new and/or previously recorded documents such as subdivision as well as other plats, surveys, surveyor notes and/or deeds.  Other sources could include aerial photography and brief legal descriptions contained within the County’s databases.
  • Process documentation and mapping parcel creation of divisions of land and/or combinations of land including but not limited to the following documentation:
    • Deeds
    • Surveys
    • Subdivisions/Condominiums
    • Annexations
    • Vacations
    • Combinations
    • Division by Request
    • Court Order of Judgments
  • Assist in researching resources such as survey maps and legal descriptions in order to verify property lines and to obtain information needed to ensure an accurate cadastral and GIS databases. 
  • Assists Geographic Information System Supervisor in maintaining dual parcel number (assessor parcel and state approved) systems
  • Compile accurate abbreviated tax legal descriptions as necessary
  • Uses GIS to accurately calculate farmland assessment values
    • Maintains County farmland land use layer including review of updates required by Filter Strip Applications, Forestry Plans, Conservation Stewardship Plans, etc.
    • Performs farmland value calculations using GIS and imports results into County CAMA system
    • Enters prior parcel land use and soil type records for historical purposes into County CAMA system
    • Reviews and updates farmland land use when new aerial photography becomes available
    • Coordinates with township assessors, assessment office field staff, and commercial/industrial valuation staff regarding identification and/or measurement of farmland land use types
  • Complete additional GIS related tasks including GIS data creation, GIS data conversion and map production and cartography.
  • Assists the Geographic Information Supervisor and Property Tax System Coordinator in mapping legal descriptions for delinquent tax sale properties, as well as reviewing new TIFs and annexations to determine if any operating railroad parcels are included which are then reported to the County Clerk’s Office.
  • Assist taxpayers and/or the general public via the telephone and in-person at the counter.
  • Perform related duties as assigned by supervisor
  • Maintain compliance with all company policies and procedures

Education and/or Work Experience Requirements:

  • High School Diploma.
  • Bachelor’s degree in geography or related field or equivalent experience in cadastral mapping.
  • Experience with ArcGIS Desktop and/or ArcGIS Pro
  • Exhibit skill in interpreting land descriptions, maps, drawings, charts, plans, survey records and aerial photos.
  • Ability to read map metes and bounds/legal descriptions, plat books, maps and software procedures manuals
  • Expertise mapping and drafting techniques
  • Understands the Public Land Survey System.
  • Ability to communicate orally with customers, clients and the public in face-to-face, one-on-one setting or using a telephone.
  • Excellent communication, problem solving, and analytical skills.
  • Ability to interpret, identify, assess or diagnose a variety of instructions or information furnished in written, oral, diagram or schedule for and plan approaches that respond to problems or challenges.
  • Ability to prioritize work and research information to complete work independently and multi-task duties.
  • Team player with willingness to support departmental success



How To Apply:

Interested persons should apply by 4:30 pm June 22, 2020. Applications can be found on the LaSalle County Website, You will need to complete the County application and return it to: 

LaSalle County Assessement Office

707 E. Etna Rd., Room 262

Ottawa, IL 61350

Or email: [email protected]