Data Jobs in Los Angeles County, CA

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Data Scientist Supervisor

Los Angeles County Department of Human Resources Los Angeles County, CA

Los Angeles County, CA

Today

$126k - $170k/yr Full time Manager Big Data Business Analytics

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Job Description

Oversee end-to-end data science delivery and help set enterprise analytics direction for the County.

Responsibilities

Plan, organize, supervise, manage, and evaluate complex data science assignments; develop, implement, and monitor projects from inception through implementation to meet objectives and outcomes
Plan, assign, and review the work of data scientists and analysts to ensure accuracy, completeness, and alignment with business needs
Ensure section products and services continue performing as desired over time; direct updates and modifications as needed
Collaborate with IT group and program managers to identify departmental or divisional business needs and strategically important issues
Implement enhancements to existing systems, recommend alternative systems, and support development of data engineering, data modeling, and data science solutions as appropriate
Work with a governance board and executive committees to define the organization’s overall vision and strategy for data analytics
Support development, implementation, and evaluation of divisional/departmental initiatives, strategies, and operational objectives using big data
Promote measurability in strategic planning and operations so analytics and evaluation are built into program design
Lead solution development activities, including:
- Quality assurance and maintenance of data sets integrated from multiple sources
- Exploratory data analysis
- Model creation, testing, and deployment
- Presentation of findings
- Consultation with program managers on operationalization and model fidelity
Direct development of technical reports, dashboards, data briefs, white papers, and publications, including advanced data visualization tools
Partner with IT data engineers and architects to develop and maintain large-scale databases focused on completeness, accuracy, and utility
Supervise and participate in quality control checks of ETL for large-scale structured, unstructured, and streaming data
Advise divisional/departmental managers on capability gaps in data science technology and infrastructure; recommend plans for growth through adoption of new methods and technologies
Build solutions applying machine learning techniques to address complex business problems and derive actionable insights that improve decision-making confidence
Recommend infrastructure needs and analytic competencies; participate in project selection to support the County, department, or division data science strategy
Stay current on data science best practices; mentor staff and ensure ongoing training/professional development across required techniques
Act as a technical resource for divisional/departmental managers on data-driven program design and management, translating data science knowledge into improved business outcomes, efficiency, and effectiveness

Requirements

Two (2) years of experience leading development and application of methods to identify, collect, process, and analyze data using advanced statistical prediction, inference, and optimization; provide ongoing support to decision makers for 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 time of filing and clearly indicated on the application)
Valid California Class C Driver License or ability to use alternative transportation when needed for essential job functions
Physical Class 2 – Light: administrative and clerical work requiring light physical effort, occasional light lifting up to 10 pounds, and some bending/stooping/squatting; considerable ambulation may be involved

Desirable Qualifications

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

Filing Period

Begins Tuesday, August 18, 2026 at 8:00 a.m. (PT) and is continuous
Applications remain open until the position is filled
The application window may close unexpectedly after enough qualified candidates apply

Examination

Exam Number: b1765A
Assessment of experience and education based on application information, desirable qualifications, and supplemental questionnaire information submitted at filing
Weight: 100%
Passing score: 70% or higher to be added to the eligible list

Eligibility and Vacancy Information

Passed applicants are placed on a list for 12 months
The County will use the list to fill vacancies as they occur
Notices of non-acceptance and final results are sent via email

Application Information

Only online applications are accepted
U.S. mail, fax, and in-person applications are not accepted
Apply using the “Apply” button on the posting
Fill out the application completely, including employer name and address, job title, beginning and ending dates, hours per week, and description of work performed
Information may be verified during the examination and hiring process, including after an appointment
Falsification may result in refusal of application or rescission of appointment
Copying verbiage from the Requirements or class specification into work experience is not sufficient
Notifications are sent to the email address provided; it is the applicant’s responsibility to monitor correspondence
Register approved senders to avoid spam/junk filtering:
- info@governmentjob.com
- exams@dmh.lacounty.gov
- dmhrecruitment@dmh.lacounty.gov
- CMedina@hr.lacounty.gov
- Selections@hr.lacounty.gov
New email addresses need verification once per address via governmentjobs.com
All applicants must file online using their own user ID and password; using a family member’s or friend’s login may erase the original application record
Federal law requires a Social Security Number for employment, so include it when applying
Public library computer/internet access is available for those without access to complete the application

Recruitment and Additional Information

Type of recruitment: applications welcomed from anyone
Special requirement: you may qualify even if job title isn’t exactly the same, as long as experience is at a similar level; provide a clear explanation of relevant experience
For more information, view the classification specification: Data Scientist Supervisor

Contact Information

HR Examinations Unit: (213) 972-7034
HR Examinations Unit Email: exams@dmh.lacounty.gov
Department Contact Name: Cheyenne Medina
Phone/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

Location: Los Angeles County, CA (onsite)

Salary: USD 126,066 - 169,892 per year

Revised: September 2025

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