How to Be GIS Technician - Job Description, Skills, and Interview Questions

Nov 26, 2022 / 5 Minutes Read / By Albert

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GIS technicians play a vital role in the creation and maintenance of geographic information systems. They are responsible for collecting data, processing it, and creating maps and other visuals for use in various applications. The work of GIS technicians directly affects the accuracy, reliability, and usefulness of geographic information systems.

Their efforts ensure that accurate and up-to-date information is available to stakeholders, decision makers, and other users. Furthermore, GIS technicians are responsible for the design and implementation of new technologies that increase the efficiency and accuracy of data collection and analysis. Their contributions can lead to improved decision making and better outcomes for individuals, organizations, and society as a whole.

Steps How to Become

Earn a Bachelor's Degree. A bachelor's degree in geography, engineering, earth sciences, mathematics, or a related field is typically required to become a GIS technician. Coursework may include mathematics, science, computer technology, and cartography.
Gain Experience. Internships and volunteer work in the GIS field can be beneficial for aspiring GIS technicians. This can provide hands-on experience, as well as the opportunity to network with professionals in the field.
Get Certified. Certification from organizations such as the GIS Certification Institute (GISCI) is beneficial for GIS technicians. While certification is not required, it can demonstrate a commitment to the profession and may increase job opportunities.
Obtain Additional Training. Many GIS technicians attend conferences and workshops to learn about new trends and technologies in the field. This can help them stay up-to-date and increase their knowledge of the profession.
Find a Job. GIS technicians can find job opportunities in various industries such as engineering, construction, natural resources, and urban planning. Some employers may prefer candidates who have experience in the field or who hold certifications.

In order to remain qualified and stay ahead in the GIS Technician field, it is important to stay up-to-date on the latest technology, trends, and techniques. This can be accomplished by maintaining certifications, attending seminars, and participating in continuing education courses. Additionally, staying informed on the latest industry news and developments can help one to stay ahead of the curve. By keeping up with the ever-changing landscape of the field, GIS Technicians can ensure they are in a position to provide the best service possible to their employers and clients.

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Job Description

Collecting and analyzing geographic information from aerial imagery, satellite imagery, digital maps and other sources.
Utilizing Geographic Information Systems (GIS) software to create and manage data layers, perform spatial analysis, and create maps.
Developing geodatabases to store, analyze, and visualize spatial data.
Assisting with the development and implementation of GIS applications.
Establishing and maintaining data accuracy through field verification and quality assurance procedures.
Creating cartographic products such as maps, charts, and diagrams.
Generating reports that summarize analysis results.
Providing technical support and expertise to colleagues.
Developing data models that represent real-world objects.
Developing software tools for GIS data management, analysis, and visualization.

Skills and Competencies to Have

Proficiency in GIS software and applications, such as ArcGIS, QGIS, and MapInfo
Knowledge of digital cartography principles and map production techniques
Ability to create and edit spatial data for analysis and mapping
Experience with spatial analysis techniques
Familiarity with GPS and other geospatial data collection methods
Familiarity with databases, such as PostgreSQL and MS Access
Proficiency in using scripting languages, such as Python, to customize GIS solutions
Ability to troubleshoot GIS problems
Excellent communication skills
Strong attention to detail
Ability to work independently and as part of a team
Ability to manage multiple projects simultaneously

Having a strong set of GIS skills is essential to being a successful GIS Technician. Being able to understand and utilize basic software, such as ArcGIS, is the cornerstone of GIS technology and sets the foundation for more advanced skills such as geospatial analysis and data management. Furthermore, having the ability to interpret and analyze spatial data, effectively use GIS tools, and create accurate maps are key skills that GIS Technicians must possess.

Without these capabilities, GIS technicians would be unable to accurately visualize and assess data in order to make informed, data-driven decisions. For example, GIS Technicians can use their skills to help identify areas of land that are vulnerable to flooding or identify areas of land that are best suited for urban development. having a strong set of GIS skills is essential for GIS Technicians to be successful in their roles and support the growth of their organization.

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Frequent Interview Questions

What experience do you have in GIS mapping, analysis and database management?
Describe a complex GIS project that you have completed successfully.
What GIS software packages are you familiar with?
How do you develop and update GIS maps and data layers?
How do you ensure data accuracy and quality control?
How do you assess customer requirements and develop GIS solutions?
How would you go about troubleshooting GIS system problems?
Describe your experience with data visualization and reporting.
Explain how you would use spatial analytics to identify patterns or trends in data.
How do you stay up to date on new GIS technologies and tools?

Common Tools in Industry

ArcGIS. Geographic Information System software for creating, managing, analyzing and sharing geographic maps. (e. g. Create a 3D map to show the elevation of an area)
QGIS. Open source GIS software used to create, manage, analyze and visualize geographic information. (e. g. Create a heat map to show population density)
AutoCAD. Computer-aided design software used to create two-dimensional and three-dimensional models. (e. g. Create a 3D model of a building)
Global Mapper. GIS software used to manage and analyze spatial data. (e. g. Analyze changes in land use over time)
GPS. Global Positioning System used to determine the exact location of a point on the Earths surface. (e. g. Plot the coordinates of a specific location)
Spatial Analyst. GIS extension used to perform advanced analysis of spatial data. (e. g. Analyze the impact of a new development on the surrounding environment)
Python. Programming language used to automate tasks in GIS software and perform custom GIS analysis. (e. g. Create a script that automates a certain workflow)

Professional Organizations to Know

American Association for Geographers (AAG)
Association of American Geographers (AAG)
International Cartographic Association (ICA)
American Society for Photogrammetry and Remote Sensing (ASPRS)
United States Geospatial Intelligence Foundation (USGIF)
Geo-Institute of the American Society of Civil Engineers (ASCE)
National Cartographic Information Center (NCIC)
Association of Geographic Information Laboratories in Europe (AGILE)
Open Geospatial Consortium (OGC)
International Association of GIS Professionals (IAGP)

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Common Important Terms

GIS (Geographic Information System). A system designed to capture, store, manipulate, analyze, manage, and present all types of geographical data.
Cartography. The art, science, and technology of making maps.
Remote Sensing. The use of aerial or satellite-based sensors to measure and analyze the earth's surface.
Geodatabase. A database designed to store geographic information and related attributes.
Spatial Analysis. The application of statistical techniques to identify patterns and relationships in geographic data.
GPS (Global Positioning System). A network of satellites used to determine the location of objects on the earth's surface.
Geo-referencing. The process of assigning a coordinate system to a set of geographic data.
Vector Data. Data represented by points, lines, and polygons.
Raster Data. Data represented as a grid of cells or pixels.
Geocoding. The process of converting addresses into geographic coordinates.

Frequently Asked Questions

What qualifications are necessary for a GIS Technician?

GIS Technicians typically need a minimum of an Associate's degree in Geographic Information Systems or a related field such as Geography, Computer Science, or Cartography.

What are the duties of a GIS Technician?

GIS Technicians are responsible for creating and updating geographic information systems (GIS) databases, performing analysis of spatial data, and producing maps and other visuals. They may also be responsible for data entry, maintenance and quality control of GIS databases.

What skills are necessary for a GIS Technician?

GIS Technicians must have strong analytical and problem-solving skills, as well as a working knowledge of GIS software, such as ArcGIS, QGIS, and MapInfo. They should also be proficient in mapping technology, geoprocessing, and database management.