Data Science Intern Jobs in Walnut, CA (NOW HIRING)

Position/Program Information FILING PERIOD 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. EXAM NUMBER b1765A TYPE OF RECRUITMENT 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 100,000 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 2,100 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: https://hr.lacounty.gov/benefits/ Essential 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 section's 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 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 and Withhold Information: 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: 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. SPECIAL REQUIREMENT INFORMATION: You may still qualify even if your job title isn't 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. DESIRABLE QUALIFICATIONS 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. Additional 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. Eligibility and Vacancy Information: 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. Application and filing information: 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 employer's 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 governmentjobs.com and checking the profile inbox. It is every applicant's 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. info@governmentjob.com exams@dmh.lacounty.gov dmhrecruitment@dmh.lacounty.gov CMedina@hr.lacounty.gov Selections@dmh.lacounty.gov 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 governmentjobs.com and following the prompts

This is to enhance the security of the online application and to prevent incorrectly entered email addresses. Social Security Number Federal law requires that all employed persons have a Social Security Number, so include yours when applying. Computer and Internet Access at Public Libraries 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.

No Sharing of User ID, email, and Password All applicants must file their application online using their own user ID and password. Using a family member's or friend's login information may erase a candidate's original application record. ___________________________________________________________________________ Anti-Racism, Diversity, and Inclusion (ARDI): 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. Contact Information HR Examinations Unit: (213) 972-7034 HR Examinations Unit Email: exams@dmh.lacounty.gov Department Contact Name: Cheyenne Medina Department Contact Phone and Email: (213) 719-3507, CMedina@hr.lacounty.gov ADA Coordinator: (213) 719-3507 Teletype Phone: (800) 899-4099 California Relay Services Phone: (800) 735-2922 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: https://employee.hr.lacounty.gov/eeo-programs/. Testing 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: https://hr.lacounty.gov/accessibility/. Fair 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 http://career-pathfinder.hr.lacounty.gov

Veteran's 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 veteran's credit, please visit: https://file.lacounty.gov/SDSInter/dhr/205102_PPG_115.pdf Revised September 2025