PRINCIPAL ENGINEERING AIDE                                                                                                1003



Under general supervision, an employee in this class is responsible for the more difficult technical assignments on engineering and sanitary projects.  Assignments may include operating electronic surveying equipment, supervision of field survey parties, making and checking engineering computations, inspecting construction work and materials, and calibrating and inspecting safety equipment. Assignments are given orally and in writing and are general in nature affording some opportunity for the use of independent judgment. Supervision is frequently exercised over sub-professional personnel and clerical assistants.  Work is subject to review in progress and upon completion by professional engineering or sanitarian personnel.  Does related work as required. 



             Serves as chief of field party on topographic, land or hydrographic surveys; supervises work, takes notes and makes sketches; assumes responsibility for work progress and results;

             Operates electronic measuring equipment, including fathometer in conjunction with data collector, to perform topographic and hydrographic surveys;

             Makes and checks engineering drawings on construction projects; assists in the preparation of plans, specifications and estimates for construction projects; makes estimates of quantities of construction materials and other items; 

             Makes a variety of preliminary estimates for engineering or sanitary projects; receives records, charts, and statistical information from the field; prepares detailed reports for professional engineering or sanitarian supervisors; 

             Acts as resident inspector on minor construction projects or assumes responsibility for a portion of large construction projects; inspects construc­tion work to assure conformance to County standards; makes written progress reports;

             Inspects and calibrates safety equipment used by professional sanitarians;

             Supervises the maintenance of field records and the markout for the protection of underground facilities;

             Supervises and participates in the field or office activities of the Scavenger Waste Program and/or Objectionable/Hazardous Waste Program;

             Edits and troubleshoots electronic survey files for translation into topographic files; maintains electronic directories for storing information; solves minor geometry problems using logo software; assists in developing and utilizing all portions of the highway design software system;

             Serves as instrumentman or head chainman as needed;

             Compiles and computes quantities of constructions materials for the purposes of determining progress and final payments;

             Performs field and office work relating to the inspection and sampling of connections to County Sewer Districts.



Thorough knowledge of the principles, techniques and practices of topographic or hydrographic surveying or land surveying;  thorough knowledge of the principles, practices and instruments used in engineering drafting; thorough knowledge of state discharge regulations; good knowledge of mathematics through trigonometry and its application to field surveying and engineering computations; good knowledge of construction specifications and their applications to public works construction; good knowledge of the operation and use of safety equipment used  in  sanitary  investigations;  working  knowledge  of  civil  engineering principles and practices; skill in the use of engineering instruments and equipment; ability to input data and otherwise use a computer terminal; ability to perform difficult technical computations, to make estimates and tests, and to compile engineering data and statistics; ability to make moderately difficult engineering drawings; ability to supervise others in a manner conducive to full performance and high morale; ability to coordinate and supervise sewage sampling programs and assist in sewage process evaluation; physical condition commensurate with the demands of the position.




             Graduation from a standard senior high school or possession of a high school equivalency diploma and four (4) years of relevant experience  in civil engineering, wastewater/sanitation, construction management, highways, materials testing, sub-soil investigations, or groundwater investigations.


NOTE:  Additional education in Engineering, Architecture, Construction Management, Chemistry, Biology, Physics, Hydrology, Geology, Environmental Science or a related field may be substituted for experience on a year-for-year basis.



             Two (2) years of permanent competitive status as a Senior Engineering Aide.



At the time of appointment, and during employment in this title, employees must possess a valid license to operate a motor vehicle in New York State.