Data Scientist Supervisor

The application filing period will begin on Tuesday August 18 2026 at 8:00 a.m. (PT) Continuous. We will keep accepting applications until the position is filled. The application window may close unexpectedly once we have enough qualified candidates.

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We welcome applications from anyone.

Why work for us

With almost 10 million residents Los Angeles County is the most populous county in the nation! As the largest employer in Southern California with over 100000 employees in 39 departments we provide vital and diverse public services like law enforcement property assessment public health protection water conservation and cultural activities.

The County has more than 2100 different job types offering a lifetime of opportunities and careers! We are dedicated professionals committed to preserving the dignity and integrity of the workplace as well as protecting the rights of each employee. Join us and discover one of the strongest public-sector benefits packages in the county with a rich selection of health care options robust retirement plans and the flexibility to work relax and rejuvenate to reach your fullest personal and professional potential.

For more information about the amazing benefits offered by Los Angeles County please visit us here: Job Functions

• Plans organizes supervises manages and evaluates highly technical and complex assignments of the section; with staff develops implements and monitors data science projects from inception to implementation to ensure that the objectives and desired outcomes are achieved and that critical decisions are made in a timely manner.
• Plans assigns and reviews the work of data scientists and analysts to ensure accuracy completeness and compliance with business needs; ensures that section products and services continue to perform as desired over time and directs updates and modifications to these as necessary.
• Collaborates with IT group and program managers to identify departmental or divisional business needs and issues of strategic importance; implements enhancements to existing systems recommends alternative systems and assists in developing and implementing new data engineering data modeling and data science solutions as appropriate.
• In conjunction with the governance board and executive committees defines the overall vision and strategy for data analytics across the organization.
• Assists to develop implement and evaluate divisional/departmental initiatives strategies and operational objectives through deployment of big data; advocates for measurability in strategic planning and operations in order to build analytics and evaluation into program design on a foundational level.
• Evaluates manages and participates in all aspects of the sections solution development including quality assurance and maintenance of data sets integrated from multiple sources; exploratory data analysis; model creation testing and deployment; presentation of findings; and consultation with program managers regarding effective operationalization and model fidelity to improve business outcomes.
• Directs the development of technical reports dashboards data briefs white papers and publications including advanced data visualization tools.
• Works with IT data engineers and architects to develop and maintain large-scale databases that meet high standards for completeness accuracy and utility; supervises and participates in quality control checks of data extraction transformation and loading (ETL) of large-scale structured unstructured and streaming data.
• Advises divisional/departmental managers on opportunities and gaps in their current capabilities across data science technology and infrastructure; recommends plans for growth through adoption of new methods and technologies.
• Builds solutions that apply machine learning techniques to address complex business problems derive actionable insights and maximize decision-making confidence. Makes recommendations develops technical infrastructure and analytic competencies and participates in project selection to inform and execute the data science strategy of the County department or division.
• Stays current with and contributes to discovery of data science best practices; mentors staff and ensures the section maintains ongoing training and professional development and is competent in all techniques necessary to complete their duties; and participates in the broader data science community to identify and disseminate the latest developments in data and technology.
• Serves as a technical resource for divisional/departmental managers on data-driven program design and management and the translation of data science and knowledge into improved business outcomes efficiency and effectiveness of business processes.

For more information please view the classification specification:Data Scientist Supervisor

Requirements to Qualify:

Two (2) years of experience leading the development and application of methods to identify collect process and analyze data using advanced statistical prediction inference and optimization and providing ongoing support to decision makers to strengthen data-driven program design and management at a level equivalent to* the Los Angeles County class of Senior Data Scientist.

OUT-OF CLASS WILL NOT BE ACCEPTED. NO WITHHOLD WILL BE ALLOWED. Required education and experience must be fully met at the time of filing and clearly indicated on the application.

License:
A valid California Class C Driver License or the ability to utilize alternative method of transportation when needed to carry out job-related essential functions.

Physical Class 2 Light: This class includes administrative and clerical positions requiring light physical effort that may include occasional light lifting to a 10-pound limit and some bending stooping or squatting. Considerable ambulation may be involved.

*You may still qualify even if your job title isnt exactly the same as the one(s) listed. What matters is that your experience is at a similar level meaning your job involves similar responsibilities requires comparable skills and knowledge and takes place within a similar organizational structure. Please provide a clear explanation of your experience to demonstrate that it is at the appropriate level.

Additional points toward the final examination score will be awarded for the following:

• Experience applying data science methods within healthcare-related projects including work with HIPAA-covered protected health information.

Examination Content:

This examination will consist of an assessment of experience and education based on application information desirable qualifications and supplemental questionnaire information submitted at the time of filing weighted at 100%.

Applicants must receive a passing score of 70% or higher on the assessment to be added to the eligible list.

Applicants who passed the assessment(s) are placed on a list for a period of 12 months. We will use this to fill vacancies as they occur.

Notices of non-acceptance and final results will be sent via email.

We only accept applications filed online. Applications submitted by U.S. mail fax or in person are not accepted. Apply online by clicking on the Apply green button at the top right of this posting. This website can also be used to get application status updates.

Please fill out the application completely. Provide relevant job experience including employers name and address job title beginning and ending dates number of hours worked per week and description of work performed.

We may verify information included in the application at any point during the examination and hiring process including after an appointment has been made. Falsification of information could result in refusal of application or rescission of appointment. Copying verbiage from the Requirements or class specification as your work experience will not be sufficient to demonstrate meeting the requirements. Doing so may result in an incomplete application and may lead to disqualification.

We will send notifications to the email address provided on the application so it is important that you provide a valid email address. If you choose to unsubscribe or opt out from receiving our emails it is possible to view notices by logging into and checking the profile inbox. It is every applicants responsibility to take steps to view correspondence and we will not consider claims of missing notices to be a valid reason for re-scheduling an exam part. Register the below domains as approved senders to prevent email notifications from being filtered as spam/junk mail.

New email addresses need to be verified. This only needs to be done once per email address and can be done at any time by logging in to and following the prompts. This is to enhance the security of the online application and to prevent incorrectly entered email addresses.

Federal law requires that all employed persons have a Social Security Number so include yours when applying.

For those who do not have access to a computer or the internet we provide access to complete an application at public libraries throughout the county.

All applicants must file their application online using their own user ID and password. Using a family members or friends login information may erase a candidates original application record.

The County of Los Angeles recognizes and affirms that all people are created equal and are entitled to all rights afforded by the Constitution of the United States. We are committed to promoting Anti-Racism Diversity and Inclusion efforts to address the inequalities and disparities amongst races. We support the ARDI Strategic Plan and its goals by improving equality diversity and inclusion in recruitment selection and employment practices.

HR Examinations Unit:

HR Examinations Unit Email:

Department Contact Name: Cheyenne Medina

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California Relay Services Phone:

COUNTY OF LOS ANGELES

Employment Information

Any language contained in the job posting supersedes any language contained below.

This document is intended to provide general information about the recruitment process of the County of Los Angeles. Applicants with questions about a specific job posting should contact the exam analyst listed on the posting.

Equal Employment Opportunity/Non-Discrimination Statement:
The County of Los Angeles is an Equal Employment Opportunity Employer and is committed to non-discrimination in the County workforce regardless of age (40 and over); ancestry; color; ethnicity; religious creed; protected family or medical leave status; disability; marital status; medical condition; genetic information; military and veteran status; national origin; race ; sex; gender; sexual orientation; or any other characteristic protected by State or federal law. For more information please visit: Accommodations for Applicants:
The County of Los Angeles complies with all federal and state disability laws and makes reasonable accommodations for qualified applicants and employees with disabilities. If a reasonable accommodation is needed to participate in the job application process please contact the testing accommodation coordinator listed on the job posting. Hearing impaired applicants with telephone teletype equipment may leave messages by calling the teletype phone number on the job posting. For more information on accommodations please visit: Chance:
The County of Los Angeles is a Fair Chance employer. Except as otherwise permissible under applicable laws you will not be asked to provide information about conviction history unless you receive a conditional offer of employment. The County will make an individualized assessment of whether your conviction history has a direct and adverse relationship with the specific duties of the job and will also consider potential mitigating factors which may include but is not limited to evidence and extent of rehabilitation recency of the offense(s) and age at the time of the offense(s). If asked to provide information about conviction history any convictions or court records which are exempted by a valid court order do not have to be disclosed. Qualified applicants with arrest or conviction records will be considered for employment in accordance with County Fair Chance Policies and the Fair Chance Act (Gov. Code Section 12952).

Employment Eligibility:
Final appointment is contingent upon verification of U.S. citizenship or the right to work in the United States.

Career PathFinder:
Resources to help current and prospective employees plan a career with Los Angeles County are available. To explore career paths to and from nearly all job titles please visit our interactive Career PathFinder application at .

Veterans Credit:
Pursuant to the County Charter and County policy in all open competitive examinations (i.e. examinations open to everyone) the County of Los Angeles will add a credit of 10 percent of the total credits specified for such examination to the final passing score of an honorably discharged veteran as well as the spouse of a deceased or disabled veteran who served in the Armed Forces of the United States under specific conditions.
For more information on veterans credit please visit: September 2025