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GIS Technician II (Open)

County of San Mateo

San Mateo,  California
GIS Technician

San Mateo County Public Safety Communications (PSC) is accepting applications from experienced GIS Technicians with a passion for public service.

PSC provides high quality law enforcement, fire, and medical dispatch and communications services to the public and public safety agencies in order to protect the health and safety of the people of San Mateo County. A community that is prosperous, safe and livable will depend, in part, on how well GIS Technicians use their skills to map, inventory, and analyze various aspects and resources within the County. For more information about the County of San Mateo Office of Public Safety Communications, visit:

The incumbent will be responsible for the day-to-day technical support of San Mateo County Public Safety Communications Geographic Information Systems (GIS) applications and database development projects or a department GIS/mapping function; perform technical and administrative tasks necessary to maintain and evaluate the GIS systems; perform data analysis and present geographic based data in map form; and other related duties as assigned.

The ideal candidate will:

  • Have a solid background in Geospatial Information System (GIS) fundamentals as you would typically find in graduates from an accredited program with an emphasis in GIS.
  • Be organized and can simultaneously track multiple projects.
  • Possess good communication skills for collecting project requirements and presenting findings to department staff.
  • Have worked for/with a Public Safety agency.
  • Have a desire for continued learning.
  • Have the demonstrated ability to maintain collaborative relations with stakeholders and peers.
  • The selected candidate for this position with PSC must pass a thorough background investigation, to include a psychological exam and polygraph test.

Examples Of Duties

  • Gather and analyzes information regarding GIS user system and requirements; consults with users to determine needed data; guides users through data layer selection, mapping order, and map formatting.
  • Maintain aspects of project plans relating to GIS and reports status; create and maintain geo-referenced databases from a variety of sources; utilize computer hardware and software to create and update customized maps and reports derived from the GIS.
  • Maintain and operate equipment such as plotters, digitizers and scanners; review and recommend enhancements to improve the GIS system to meet the information needs of user or customers; develop program documentation, user procedures, and instructions; provide assistance to customers and staff for design and production of GIS maps.
  • Create output, such as maps and graphs using computer and geographic information system software and peripheral equipment; troubleshoot GIS related problems; assist county staff in the development of map layers.
  • Maintain and update existing data layers and databases; coordinate with staff and other agencies to obtain updated data; check quality of updated data layers for accuracy and any erroneous information.
  • Maintain and update data in legacy GIS related systems.
  • Perform related duties as assigned.

Any combination of education and experience that would likely provide the required knowledge and skills is qualifying.

  • Education: Bachelor's degree in planning, surveying, engineering, computer science, or a closely related field.
  • Experience: Two to three years of experience working with GIS software GIS automated mapping and drafting, civil engineering, land surveying, geography, cartography, or computer science, including project design, coordination and operation.

Knowledge of:

  • Principles and concepts of computerized mapping systems and spatial analysis techniques and concepts.
  • GIS and CAD software.
  • Basic principles and methods of cartography, geography and/or engineering drafting, including map projections and scales.
  • GIS street networks geodatabases.
  • Database structure and design.
  • Basic research and report writing techniques.
  • Management information and data communication/translation technology
  • Nomenclature, symbols, methods and instruments used in engineering drafting and mapping.
  • Logarithmic and trigonometric tables, algebra, geometry and their application to mapping work especially in computation of distances, angles and areas.
  • Applicable codes, regulations, policies, technical processes and procedures related to assigned department.

Skill/Ability to:

  • Evaluate information system design and operation and make recommendations for improvement.
  • Organize and input data into the GIS; develop efficient linkages to existing databases; and prepare clear and complete technical reports.
  • Read and interpret planning, engineering and building maps and documents.
  • Use advanced computer assisted drafting and design program software and related computer equipment.
  • Create and publish form letter documents and compile, archive and publish statistical reports using a variety of software programs.
  • Read, understand, apply and explain to others information in county, state and/or federal regulations relevant to local property assessment and taxation, mapping, subdivision and ownership of interests in property.
  • Read, interpret, write and explain detailed boundary descriptions of real property, deeds, and engineering field notes.
  • Organize and complete projects in a timely manner.
  • Develop and maintain a database structure capable of meeting multiple tasks with minimal redundancy.
  • Make mathematical computations.
  • Communicate and work effectively with other county employees and the general public.
  • Understand and follow oral and written instructions and established procedures in the performance of duties.
  • Maintain and prepare accurate records.

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