Engineering Aide (#RE0100)
$22.46-$27.30 Hourly / $3,893.43-$4,732.49 Monthly / $46,721.25-$56,789.97 Yearly


Under immediate supervision, performs varied routine field and office engineering duties; and does related or other work as required in accordance with Rule 3, Section 3 of the Civil Service Rules.


This is the entry-level class in the engineering assistant series. An employee in this class is responsible for assisting technical and professional staff in a variety of engineering assignments by performing the less difficult technical aspects of the work. Work is initially subject to close supervision, but as experience is gained supervision becomes more general.


  • Performs rod and chain functions on survey crews; cuts and clears brush and uses manual and electronic equipment to locate survey monuments; drives stakes and pins; may keep and check survey party field notes; may use theadolite, electronic distance measuring equipment and level.
  • Assists in preparing drawings from field notes; performs routine drafting work; draws, plots, traces and colors maps and other drawings using drafting machine and other tools and equipment; operates reproduction machine; assists in reducing field notes; assists in checking center lines and cross sections; uses calculator to make routine engineering and survey computation; tabulates field data; assists in maintaining records and preparing reports; and may use basic computers.
  • Assists in the checking of private land surveys; may draw topographic and other maps; may check and revise existing maps showing boundaries and districts; may search titles and documents; may assist in the preparation of legal deeds and property descriptions.
  • May assist in the issuance of permits; gives information in person and by telephone regarding permit applications and ordinance requirements.
  • Takes soil, aggregate, and concrete test samples for laboratory analysis; assists in conducting routine soil and materials tests.
  • Assists in road, bridge and other construction inspection; may check grading for proper slopes; checks quantities of materials delivered to the construction site; participates in maintaining records of labor and equipment used on construction projects; assists in preparing reports of project progress.
  • Sets traffic counters and conducts manual traffic counts; compiles traffic data; repairs and maintains equipment used in traffic engineering division; assists in drafting and drawing maps; prepares charts, graphs, and diagrams related to engineering studies.


License: Possession of a valid California driver’s license.


The principles of geometry, algebra, trigonometry end elementary drafting.


Use a measuring tape and rod as instructed; make simple drawings and copy or trace from completed survey drawings; file plans and other materials by predetermined classifications; prepare and compile data, maps and charts for traffic or other special studies; maintain records; learn and use computer applications as required; establish and maintain effective working relationships with others.


San Joaquin County complies with the Americans with Disabilities Act (ADA) and, upon request, will consider reasonable accommodations to enable individuals with disabilities to perform essential job functions.

CLASS: RE0100; EST: 12/12/1990;