U.S. citizens: Water Agency Hydrogeologist II

Sonoma County
Santa Rosa, CA, United States
Position Type: 
Organization Type: 
Experience Level: 
Entry Level (0-2 Years)
Degree Required: 
Bachelor's (Or Equivalent)


Please note: this job post has expired! To the best of our knowledge, this job is no longer available and this page remains here for archival purposes only.
This position will be filled at either the II or III level. If you are interested in applying at the III level, you will need to apply at the separate, concurrent recruitment being conducted at that level.

Working for Sonoma Water offers expansive opportunities for growth and development, the ability to be a part of a challenging and rewarding work environment, and the satisfaction of knowing you're working to better our communities. You can also look forward to a competitive total compensation package* including:

  • A cash allowance of approximately $600/month, in addition to monthly salary
  • An annual Staff Development/Wellness Benefit allowance up to $950 and ongoing education/training opportunities
  • Competitive vacation and sick leave accruals, 12 paid holidays, and an additional 8 floating holiday hours per year
  • County paid premium contribution to several health plan options
  • County contribution to a Health Reimbursement Arrangement to help fund post-retirement employee health insurance/benefits
  • Retirement fully integrated with Social Security
  • Eligibility for a salary increase after 1,040 hours (6 months when working full-time) for good work performance; eligibility for a salary increase for good performance every year thereafter, until reaching the top of the salary range

The Water Agency Hydrogeologist II position supports the Groundwater Resources Section of the Engineering Division by working on a variety of planning projects while providing technical expertise to various divisions within Sonoma Water. This position works on a variety of difficult and complex projects, and meets with stakeholders, regulatory agencies, and members of the public on groundwater management programs.  Additional responsibilities include:

  • Assessing, designing, and deploying groundwater and surface water monitoring networks and protocols
  • Directing the construction of monitoring devices, including groundwater monitoring wells and stream gauge stations
  • Performing and directing the collection of high quality hydrogeologic field data, including lithologic, groundwater-level, water quality, and streamflow data
  • Using data management systems to develop and maintain hydrogeologic datasets
  • Preparing and reviewing complex technical documents
  • Conducting water supply studies with regard to both surface water and groundwater
  • Evaluating enhanced groundwater recharge projects
  • Utilizing numerical groundwater flow models for water resource planning

The ideal candidate will possess:

  • Expertise in conducting and managing field investigations and monitoring programs (such as water well and monitoring well construction, surface water/groundwater interaction assessments, soil/groundwater sampling; geophysical surveys and aquifer tests)
  • Expertise in establishing and implementing monitoring protocols to comply with regulatory requirements and ensure the collection of high quality data
  • Experience with managing and analyzing complex hydrogeologic datasets
  • Familiarity with the Sustainable Groundwater Management Act requirements
  • Strong written communication skills to write and produce high quality scientific documents
  • The ability to communicate with the public and form relationships with outside agencies (e.g., Regional Water Quality Control Boards and California Department of Water Resources)

Working for Sonoma Water
Sonoma Water is a special district formed by the California State Legislature in 1949 and is responsible for providing a safe and reliable water supply to its customers in Sonoma and Marin counties. Sonoma Water also maintains 75 miles of flood control channels and provides sanitation services. Employing approximately 230 employees, Sonoma Water consists of five divisions including Engineering and Resource Planning, Environmental Resources and Public Affairs, Operations, Maintenance, and Administrative Services. Sonoma Water supports the concept of environmental sustainability, focusing on renewable power sources, and strives to be a leader in its water conservation and fishery restoration programs.

This recruitment is being conducted to fill a full-time Water Agency Hydrogeologist II position. This employment list may also be used to fill future full-time, part-time, or extra-help positions as they occur during the active status of the list.

Employees of Sonoma Water are not subject to the provisions of the Civil Service Ordinance of the County of Sonoma.
*Salary is negotiable within the established range. Benefits described herein do not represent a contact and may be changed without notice.


Minimum Qualifications
Education: Any combination of education and training that would provide the opportunity to acquire the knowledge and abilities listed. Normally, graduation from a four year accredited college with a degree in hydrogeology, geology, engineering, mathematics, physics or a closely related field would provide the opportunity to acquire the knowledge and ability listed.

Experience: Professional experience that would provide the opportunity to acquire the knowledge and ability stated as listed. Normally, one year of hydrogeology experience at a level comparable to the Water Agency Hydrogeologist I would provide such opportunity.


License: Possession of a valid driver's license at the appropriate level including special endorsements, as required by the State of California, may be required depending upon assignment to perform the essential job functions of the position.

Knowledge, Skills, and Abilities
Working Knowledge of: modern geological principles and practices; federal, state and local laws, rules and regulations related to groundwater flow mechanics, containment transport and subsurface characterization methods; principles, practices, and protocols of field investigations; groundwater contaminants, causes, and transport patterns.

Ability to: read, understand and interpret geological reports submitted by registered geologists and civil engineers; analyze a situation, assess the risk factors associated with various options and make an appropriate recommendation; prepare clear and concise written and oral reports; establish effective working relationships with peers, supervisors, subordinates, co-workers, the general public and owners of facilities judged to be out of compliance with the law; attend public meetings and present comments and recommendations; use tact and judgment to obtain compliance with enforcement documents issued by State and Federal regulatory agencies; work nights, weekends, holidays, and be available for on call assignments.


Working Conditions: duties require sitting and standing for prolonged periods. Additionally, walking on level, inclined, uneven, wet and slippery surfaces; reaching, kneeling, bending, stooping and climbing over objects is required in the performance of routine duties when visiting field and equipment sites. The incumbent may, while monitoring projects in the field, be subjected to all weather conditions including wet, hot, and cold. During project inspections and field site visits, incumbents may be exposed to dust, pollen and loud noises. The position also requires both near and far vision when inspecting work. The nature of the work also requires the incumbent to climb ladders and be around mechanical, electrical and/or structural hazards.

Selection Procedure & Some Helpful Tips When Applying
  • Your application information and your responses to the supplemental questions are evaluated and taken into consideration throughout the entire selection process.
  • You should list all employers and positions held within the last ten years in the work history section of your application. Be as thorough as possible when responding to the supplemental questions.
  • You may include history beyond ten years if related to the position for which you are applying. If you held multiple positions with one employer, list out each position separately.
  • Failure to follow these instructions may impact your competitiveness in this process or may result in disqualification.

Please visit Getting a Job with the County of Sonoma to review more detailed information about the application, examination, and department selection processes.

Responses to supplemental questions will be scored using position-specific criteria. Please provide specific and detailed responses of a reasonable length to allow for thorough assessment of your qualifications. Responses which state "See Resume" or "See Application" may be considered insufficient and therefore may not be scored.
The selection procedure will consist of the following examination:
An Application & Supplemental Questionnaire Appraisal Examination (weight 100%) will be conducted to evaluate each applicant's application and supplemental questionnaire for satisfaction of minimum qualifications (pass/not pass); and for educational coursework, training, experience, knowledge, and abilities which relate to this position. Each applicant will be evaluated based on the following criteria:

  • Relevance of work history, related experience, and achieved level of education and/or training as described in the application and responses to the supplemental questions. 

Candidates demonstrating possession of the minimum qualifications will be placed on an employment list in order of most qualified to least qualified based on the achieved score received in the Application & Supplemental Questionnaire Appraisal Examination. Scores may be adjusted based on such factors as number of candidates, anticipated vacancies, past practice, and natural breaks in the scores achieved by this group of candidates.
A background investigation is required prior to employment. Candidates referred to departments for a selection interview are typically required to sign authorization and release forms enabling such an investigation. Failure to sign prescribed forms will result in the candidate not being considered further for that vacancy. Reference information will not be made available to applicants.

Additional requirements, such as successful completion of a physical exam, drug screen, etc., may apply, depending on the duties and responsibilities of the position. If you receive a conditional job offer for the position, the requirements upon which the offer are contingent will be outlined in the conditional job letter. You may also review the Job Classification Screening Schedule to determine the requirements for this position.


Applications are accepted on-line at: www.yourpath2sonomacounty.org. Paper applications may be submitted by person, fax (707-565-3770), email, or through the mail. All applications and appropriate supplemental information as outlined in the job bulletin must be RECEIVED by the time and date specified on the first page of this job announcement. Applications received after the recruitment closes will not be accepted.
The County of Sonoma prioritizes and is committed to continuously providing a workplace where equal employment opportunity is afforded to all people. Please view the County's Equal Employment Opportunity Policy for further information.
HR Analyst: AK
HR Technician: AC