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Engineering Assistant III

Effective: 07/01/08
Range G-69
Respirator Class: 3


Perform specialized, technical field, and/or office engineering work which may, as assigned, involve subordinate surveying tasks, reviewing plans using established review criteria, performing moderately complex design work, monitoring and administering outside engineering or construction contracts, and conducting a variety of special engineering and/or planning studies; maintain complex databases and administer activities including, but not limited to, sewer service charges, land use and sewer system capacity analysis. 

Distinguishing Characterics:

This is a specialized, advanced journey level technical engineering class, which recognizes work requiring significant technical skills and knowledge. Positions assigned to the class of Engineering Assistant III work with a minimum degree of supervision, using established procedures, guidelines, and District policies.

Supervision Received and Exercised

  • Receive direction from higher level professional or management personnel.
  • May exercise technical or functional supervision over less experienced engineering personnel as assigned.

Examples of Essential Duties

Duties may include, but are not limited to, the following:

  • Perform a variety of data collection and research requiring office and field investigations.
  • Maintain databases and perform calculations and analyses.
  • Retrieve and collate data, back up materials, and engineering files.
  • Prepare clear and concise data summaries and written reports.
  • Respond to inquiries, requests and complaints, requiring the use of tact, judgment and the interpretation of standards, policies and procedures; prepare letters and other forms of correspondence.
  • Contact other agencies, developers, property owners, and contractors regarding construction and development in the District’s service area.
  • Evaluate software functionality and work with programmers to troubleshoot software problems to make necessary corrections and improvements.
  • Maintain a variety of files and records.
  • Perform a variety of special projects as assigned.
  • May provide lead guidance and training to less experienced technical engineering personnel as assigned.
  • Perform related duties as required.

When assigned to Capital Projects:

  • Assist project engineer in contract review and monitoring, cost tracking and control, preparation of correspondence, project payments, change orders, monitoring schedules, project status, and completion of as-built drawings.
  • Prepare, assemble, and correlate plans and specifications for District projects; prepare sketches and diagrams; prepare cost estimates and schedules.
  • Catalog, review, and route contract proposals, submittals, drawings, and plans for review, changes, and subsequent approval.

When assigned to Development Services:

  • Administer the District’s “Z” Project Program including the review of all municipal street, storm, and utility improvement plans for conflicts, coordinate required adjustments of sanitary sewer lines and structures, and maintenance of the “Z” Project database program.
  • Administer the District’s reimbursement program including the tracking of collections and disbursements, conducting due diligence searches for abandoned accounts, spreadsheet and database updates and maintenance, periodic tributary studies, and annual summaries of accounts.
  • Review and resolve potential illegal sanitary sewer connections including review, correspondence and collection of delinquent fees, if any.
  • Maintain and update property-related information within the District’s Land Management database programs.
  • Administer and maintain commercial property and tenant information including business square footages, tenant use, and proper assignment of capacity fees.
  • Administer the District’s Capacity Use Program including initial capacity fee review and calculations, annual charge calculations, periodic auditing of existing accounts, and fee development.
  • Develop and recommend fee and charge revisions, including tracking and evaluating actual costs.
  • Database development and imaging of permits and other Section documents.
  • Assist in the development and maintenance of the District’s Capital Plan and Budget.

When assigned to Plan Review:

  • Review plans and specifications submitted by engineers for construction or modification of facilities; determine if plans and specifications are in compliance with District specifications, requirements, and policies. 
  • Review easement descriptions and plats for compliance with District standards.
  • Review survey data including elevations, survey staking, and cut sheets.
  • Review reports and/or specifications provided by engineers, suppliers, and contractors related to sanitary sewer
    construction projects.
  • Verify that proper permits and approved plans have been acquired to perform specified work.
  • Administer Sewer Improvement Agreements and Project Security Accounts for developer projects.
  • Update and maintain databases for the District’s Contributed Assets.

When assigned to Planning:

  • Develop planning alternatives on collection system projects.
  • Research and evaluate current land use, general plan designations, zoning, and requirements and restrictions on properties in planning areas; monitor the aspects of local jurisdictions’ land use planning process that pertain to need for wastewater utility service.
  • Conduct watershed capacity studies and local capacity studies.
  • Assist in short and long range facilities and financial planning.
  • Maintain a pipe network and land use database.
  • Coordinate and/or participate in the preparation of assigned technical projects such as environmental impact reports (EIRs), development reviews, and/or grant applications and updates; review documentation to evaluate potential impact on District facilities, property, services, or other interests; perform research and field investigations; assemble comments and assist in preparing District responses within defined time lines.
  • Prepare and/or coordinate preparation of annexation applications; submit applications and monitor annexation process with the Local Agency Formation Commission (LAFCO).

When assigned to Sewer Service Charge:

  • Administer the District Sewer Service Charge Program ensuring accurate and timely calculations and collection.
  • Maintain and update property-related information within the District’s Land Management database programs.
  • Administer and maintain commercial property and tenant information including business square footages, tenant use, and proper assignment of Sewer Service Charges.

When assigned to Survey

  • Act as an instrument person on a field survey crew operating electronic theodolite, E.D.M., data collector, and engineer’s level.
  • Perform a variety of subordinate survey office work, for example:  Prepare easement drawings and descriptions, perform C.O.G.O., and traverse calculations using office computer and/or programmable calculator, prepare boundary and topographic maps using C.A.D.D. software and plotter.

Minimum Qualifications

Knowledge of (as applicable to area of assignment):

  • Construction practices, procedures, methods, materials, tools, equipment, and supplies.
  • Codes, regulations, specifications, ordinances, and enforcement procedures.
  • Principles and practices of engineering.
  • Mathematics including arithmetic, algebra, geometry, trigonometry, and statistics.
  • Surveying methods, practices, and techniques.
  • Use of computers and applicable software.
  • Methods and techniques of engineering, manual and computer-aided drafting, and estimating.
  • Methods and techniques of research and data collection.
  • Safety hazards and appropriate precautions applicable to work assignments.

Ability to (as applicable to area of assignment):

  • Continuously analyze plans; interpret project proposals, plans, and specifications; design engineering solutions; understand and explain procedures and terminology. Intermittently observe and analyze job site conditions, identify survey monumentation, and identify, interpret, and explain construction standards, contract provisions, and specifications.
  • Sit at a desk for long periods of time, write or use a keyboard to communicate through written means, occasionally walk through and inspect job sites, perform simple grasping, pushing and pulling, fine manipulation, and lift or carry weight of 50 pounds or less.
  • Depending upon assignment, sit to drive or ride in a vehicle for long periods of time on a continuous basis; intermittently sit at a desk; continuously walk over a variety of terrain; intermittently stand, bend, squat, climb, kneel, and twist at job sites; write or use a keyboard to communicate through written means; perform simple and power grasping, pushing, pulling, fine manipulation; lift or carry weight of 50 pounds or less; and hear traffic noise and observe oncoming traffic for safety. May be required to communicate via radio or cellular phone and hear radio dispatch.
  • Conduct detailed and accurate field observations and inspections.
  • Perform technical research and provide reliable advice.
  • Read and interpret engineering and construction plans, blueprints, and drawings.
  • Plan and prepare schedules and budgets for projects.
  • Prepare detailed sketches and/or drawings.
  • Perform a variety of contract monitoring and administration functions.
  • Communicate clearly and concisely both orally and in writing.
  • Prepare and present oral and written reports.
  • Research and solve complex problems.
  • Enforce District policies and appropriate state and federal laws, codes, and regulations.
  • Use a variety of graphics tools and materials.
  • Perform engineering and mathematical calculations with speed and accuracy.
  • Use computer programs to perform data management, analyses, complex calculations and produce reports; maintain various networks and databases.
  • Maintain a variety of reports, files, and engineering records.
  • Operate electronic survey instruments.
  • Perform assigned duties with a significant degree of independence.
  • Respond effectively to questions and inquiries.
  • Deal firmly and tactfully with contractors, business operators and property owners.
  • Maintain cooperative-working relationships with those encountered in the course of work.
  • Provide training and lead guidance to less experienced technical engineering staff as assigned.
  • Keep accurate field observations and records.
  • Learn and observe all appropriate safety precautions as required by the District including, but not limited to, Cal/OSHA General Industry Safety Orders, the District's Respiratory Protection Program, and District Safety Directives.

Experience and Education

Any combination equivalent to experience and education that could likely provide the required knowledge and abilities would be qualifying. A typical way to obtain the knowledge and abilities would be:


  • Five years of increasingly responsible experience in technical engineering, survey, planning, or program administration work, one year of which involving work comparable to that of an Engineering Assistant II at the District.


  • Equivalent to completion of the twelfth grade, supplemented by courses in mathematics, algebra, geometry, trigonometry, engineering, surveying, or drafting applicable to the assigned position.

Licenses and Certificates

  • May need to possess a valid California Driver's License as required by the position.
  • A Land Surveyor in Training (L.S.I.T.) certificate is desirable for those working principally in the area of survey services.

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