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Engineering Assistant I (Part Time)

Water Resources Division - Public Works

Recruitment #1020-RE0111-TM


This recruitment is being conducted to fill one (1) part-time position in the Water Resources Division of the Public Works Department and to establish a referral pool, which may be used to fill future part-time vacancies.

Resumes will not be accepted in lieu of an application. A completed application must be postmarked or received online by the final filing deadline.

NOTE: All correspondences relating to this recruitment will be delivered via e-mail. The e-mail account used will be the one provided on your employment application during time of submittal. Please be sure to check your e-mail often for updates. If you do not have an e-mail account on file, Human Resources will send you correspondences via US Mail.


  • Performs drafting, computing, and checking of field operations as related to the layout and construction of roads; sanitation, drainage and water systems; subdivisions; bridges; traffic signals; street lighting systems; and solid and hazardous waste facilities.
  • Assists in the design of Public Works projects by preparing plans, profiles and cross sections; making quantity estimates, horizontal and vertical alignments and curve computations; and establishing highway and hydraulic gradients.
  • Prepares and reviews maps, right-of-way deeds and legal descriptions; calculates and plots the results of field surveys; and locates, sets or resets survey points.
  • Writes engineering specifications for proposed projects; makes estimates for projects planned or under construction; drafts engineering reports; assists in the application of principles of engineering design and theory to assigned projects.
  • May act as resident engineer for projects under contract such as roads; sanitation, drainage and water systems; buildings and other facilities.
  • May serve as a lead worker or supervise a field crew; may monitor field activities and work production; may instruct subordinate staff to make corrections or modifications to ensure compliance with standards and regulations.

    Education: Completion of 60 semester units at an accredited college with major coursework in engineering science, construction management, or a related field.


    Experience: Two years of varied engineering experience at a level comparable to a Senior Engineering Aide in San Joaquin County service.


    Substitution #1: Additional experience may be substituted for the required education on a year-for-year basis.


    Substitution #2: Additional education may be substituted for the required experience on a year-for year basis.



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


    Basic principles and practices of engineering and materials, including physics, mathematics, chemistry, drafting, real property description, surveying, design, construction, hydraulics and mechanics; basic computer and modern office automation technology, including pertinent software; principles of supervision.


    Apply required engineering knowledge in varied work assignments; train and direct others; learn to perform a wide variety of computer applications; operate computers and related software; direct the work of others; establish and maintain effective working relationships with other employees and the public; communicate effectively, both orally and in writing.


    Mobility-Frequent operation of a data entry device, sitting for extended periods, standing for long periods, walking, pushing/pulling, bending, squatting, driving, climbing stairs or other objects; occasional crawling; Lifting-Frequently 5-30 pounds or less; occasionally 30-70 pounds; occasionally restraining, lifting and/or turning heavy objects; Vision-Good overall vision, color perception, depth perception; frequent reading and close-up work; normal hand and eye coordination; good field of vision/peripheral;  Dexterity-Normal dexterity with frequent writing and repetitive motion; Hearing/Talking-Frequent hearing and talking on the telephone and in person; frequent exposure to construction and traffic noise; Special Requirements-May require occasional overtime, weekend or evening work; Emotional/Psychological-Frequent public contact and decision making; frequent concentration required; Environmental-May be exposed to dust, fumes, and varied weather conditions.


    Part-Time Employee Benefits: Part-time employees who meet the appropriate eligibility criteria may receive health insurance benefits and step increases.

    Selection Procedures

    Applicants for part-time and temporary recruitments who meet the minimum qualifications are either referred to the hiring department for further selection or they may be required to take a written examination.  If a written examination is given, the top candidates may be referred to the hiring department for further selection.

    Testing Accommodation:  Candidates who require testing accommodation under the Americans with Disabilities Act (ADA) must call Human Resources Division at (209) 468-3370 prior to the examination date. 

    Physical Exam:  Some classifications require physical examinations.  Final appointment cannot be made until the eligible has passed the physical examination.  The County pays for physical examinations administered in its medical facilities.

    Pre-employment Drug Screening Exam:  Some classifications require a new employee successfully pass a pre-employment drug screen as a condition of employment.  Final appointment cannot be made until the eligible has passed the drug screen.  The County pays for the initial drug screen. 

    Employment of Relatives: Applicants who are relatives of employees in a department within the 3rd degree of relationship, (parent, child, grandparent, grandchild or sibling) either by blood or marriage, may not be appointed, promoted, transferred into or within the department when:

    • They are related to the Appointing Authority, or

    • The employment would result in one of them supervising the work of the other

    Department Heads may establish additional limitations on the hiring of relatives by departmental rule.

    Proof of Eligibility:  If you are offered a job, you will be required to provide proof of U.S. citizenship or other documents that establish your eligibility to be employed in the U.S.


    Apply Online:   

    By mail or in person:  

    San Joaquin County Human Resources

    44 N. San Joaquin Street Suite 330

    Stockton, CA 95202                                  


    Office hours:               
    Monday – Friday 8:00 am to 5:00 pm; excluding holidays.

    Phone:  (209) 468-3370 


    Job Line:

    For current employment opportunities please call our 24-hour job line at (209) 468-3377. 

    When a final filing date is indicated, applications must be filed with the Human Resources Division before 5:00 p.m. or postmarked by the final filing date. Resumes will not be accepted in lieu of an application. Applications sent through county inter-office mail, which are not received by the final filing date, will not be accepted. (The County assumes no responsibility for mailed applications which are not received by the Human Resources Division).  

    San Joaquin County Substance Abuse Policy: San Joaquin County has adopted a Substance Abuse Policy in compliance with the Federal Drug Free Workplace Act of 1988. This policy is enforced by all San Joaquin County Departments and applies to all San Joaquin County employees.

    Equal Opportunity Employer:  San Joaquin County is an Equal Employment Opportunity (EEO) Employer and is committed to providing equal employment to all without regard to age, ancestry, color, creed, marital status, medical condition, national origin, physical or mental disability, political affiliation or belief, pregnancy, race, religion, sex, or sexual orientation.  For more information go to

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    San Joaquin County
    Human Resources Division  Stockton, CA 95202
    E-mail | Phone: (209) 468-3370 | 8am - 5pm M-F | Powered by JobAps