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With more than 10 million residents, Los Angeles County is the most populous county in the nation. As the largest employer in Southern California, over 112,000 employees in more than 36 Departments provide vital public services as diverse as law enforcement, property assessment, public health protection, water conservation, cultural activities, and many more.

Essential Job Functions

• Maintain and analyze County, departmental, or divisional data assets by collaborating with other department subject matter experts and relevant data sources to understand, identify, and select data sources for use cases; soliciting, defining and managing data science projects from conception through implementation; identifying and developing statements of business problems in order to support data-driven program design and management, as well as ensure data science projects meet business needs.

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  Perform data management by developing data pipelines; working with IT data engineers and architects to develop and maintain large-scale databases that meet high standards for completeness, accuracy, and utility, and work with them on performing quality control checks as needed; Hybrid Transaction Analytical Process (H-TAP)) of data; working with Information Technology organization to support collection, integration, and retention requirements for data in order to ensure good quality data for analysis.

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  Conduct advanced analytical studies by assisting in the design and planning of data collection as needed; collaborating with business managers and domain experts; selecting and deploying appropriate predictive and prescriptive analytical techniques; and interpreting findings in order to ensure that findings are actionable and support data-driven program, policy, and operational decision-making.

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  Develop technical reports, dashboards, data briefs, white papers, publications, reports, and other advanced data visualization products by computer scripting languages, domain-specific languages and/or programming languages to digest, interpret, prepare, analyze, summarize, and visualize data; conveying findings and conclusions orally, in writing, visually, and in presentations; creating and monitoring performance of automated-detection systems; and developing interactive tools in order to communicate findings to targeted and/or a wide range of audiences.

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  Recommend changes to processes and tools resulting from analysis by collaborating with various functional teams; recommending ongoing improvements to methods and algorithms; implementing enhancements to existing systems, recommending alternative systems, and assisting in developing and implementing new data engineering, data modeling, and data science solutions as appropriate; and documenting tools and systems in order to strengthen divisional and departmental analytic capacity.

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  Implement data science best practices by accessing ongoing training and professional development opportunities; maintaining familiarity with current industry and academic research; participating in research and development; retaining fidelity to best practices identified through the analysis; in order to apply the latest and most useful statistical learning techniques to help extract patterns and trends from data.

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  Provide technical guidance to analysts by providing training and support; developing and maintaining expertise in programming languages, packages, and other software tools; ensuring that section products and services continue to perform as desired over time and directing updates and modifications to these as necessary; and ensuring sound quality of code and programming logic generated in order to ensure accuracy, completeness, and compliance with business needs.

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  Develop relationships with local academic data science programs by attending job fairs; making presentations; responding to inquiries of interest in order to foster recruitment of interns or analysts.

Requirements

Two (2) years of experience applying machine learning, predictive analytics, data management, and hypothesis-driven data analysis to produce actionable recommendations to support data-driven program, policy, and operational decision-making. A valid California Class C Driver License or the ability to utilize an alternative method of transportation when needed to carry out job-related essential functions.

PHYSICAL EXPECTATIONS:
This class includes 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.

ENDORSEMENT OF COUNTY QUALIFICATIONS:
County employees who wish to meet the requirements using out-of-class experience must provide official documentation such as an additional responsibility bonus, out-of-class bonus, temporary assignment bonus, or reclassification study from CEO Classification with your application at the time of filing or within seven (7) calendar days from the last day of filing. Employees do not need to submit such verification if they hold or have held a position deemed to be at the appropriate level. Out-of-class duties should be accurately described in the application work history, and questionable experience will be verified through the departmental HR Manager when necessary.

Additional Information

OUR ASSESSMENT PROCESS:
This examination will consist of TWO (2) parts:

Part I: Multiple choice and/or simulation assessment(s), weighted 50%, assessing:

• 
  Deductive Reasoning
• Professional Potential
• Achievement
• Working Relationships
• Analyzing Information
• Learning Quickly
• Generating New Ideas
• Using Time Efficiently
• Working to High Quality Standards
• Adapting to Change
• Coping with Uncertainty
• Willingness to Learn
• Responsibility

Candidates may be invited to participate in both Part I and II. However, only those that achieve a passing score of 70% or higher in Part I, will have Part II scored.

Part II: Multiple choice and/or simulation assessment(s), weighted 50%, assessing:

• Data Wrangling and Munging
• Machine Learning Workflow Implementation
• Library Usage and Implementation
• Probability and Statistics
• Machine Learning Algorithms and Implementation
• Machine Learning Experiments

These assessments fall under Civil Service Rule 7.19, which means you are not able to review the questions or your responses once you have completed the assessment.

TRANSFER OF EXAMINATION COMPONENTS:

• Applicants who have taken identical components recently for other exams may have their responses automatically transferred to this examination.
• This examination contains test components that may be used in the future for new examinations and your test responses may be transferred.

Applicants must meet the Selection Requirements and achieve a passing score of 70% or higher on the examination in order to be placed on the eligible register.

PLEASE NOTE:
Test Invitation Letters and other correspondence will be sent electronically to the e-mail address provided on the application. It is important that applicants provide a valid e-mail address. Please add the following e-mail addresses to your address book and list of approved senders to prevent e-mail notifications from being filtered as spam/junk/clutter mail:

• Dcousin@hr.lacounty.gov
• info@governmentjobs.com
• talentcentral@shl.com
• noreply@proctoru.com
• donot-reply@amcatmail.com

Los Angeles County will not consider claims of not viewing or receiving notification to be a valid reason for late test administration or rescheduling of a test component.

Notice of Non-Acceptance and Final Result letters will be sent electronically to your e-mail address.

Test scores cannot be given over the telephone.

TEST PREPARATION:
Study guides and other test preparation resources are available to help candidates prepare for employment tests. While the guides will help in preparing for the test, we advise you to review all related materials that you deem necessary.

An interactive, Online Test Preparation System for taking practice tests may be accessed on the Department of Human Resources website at http://hr.lacounty.gov/. Please click on "Find a Job" and then "Job Search Toolkit." Test Preparation Information is located under the "Employment Test Assistance" section.

Additional practice tests are available at https://www.shldirect.com/en-us/practice-tests/.

ELIGIBILITY INFORMATION:
The names of candidates receiving a passing score in the examination will be placed on the eligible register in the order of their score group for a period of twelve (12) months following the date of promulgation.

VACANCY INFORMATION:
The resulting eligible register will be used to fill vacancies within the Office of the Assessor.

AVAILABLE SHIFT: Any

SPECIAL INFORMATION:

COVID-19 VACCINATION:
All County workforce members must be fully vaccinated against COVID-19 as a condition of employment. Successful candidates for this position will be required to submit proof of vaccination against COVID-19 or request an exemption for qualifying medical or religious reasons during the onboarding process. Candidates should not present proof of vaccination until instructed to do so by the hiring department.

TESTING ACCOMMODATION:
If you require an accommodation to fairly compete in any part of the assessment process, you will be given the opportunity to make a request when completing your application. Please note, you may be required to submit documentation from a qualified medical provider or other qualified professional to support your request for a testing accommodation.

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. The Department of Human Resources is committed to promoting Anti-racism, Diversity, and Inclusion efforts to address the inequalities and disparities amongst race. We support the ARDI Strategic Plan and its goals by improving equality, diversity, and inclusion in recruitment, selection, and employment practices.

FAIR CHANCE INITIATIVE
The County of Los Angeles is a Fair Chance employer. Except for a very limited number of positions, you will not be asked to provide information about a conviction history unless you receive a contingent offer of employment. The County will make an individualized assessment of whether your conviction history has a direct or adverse relationship with the specific duties of the job, and consider potential mitigating factors, including, but not limited to, evidence and extent of rehabilitation, recency of the offense(s), and age at the time of offense(s). If asked to provide information about a conviction history, any convictions or court records which are exempted by a valid court order do not have to be disclosed.

APPLICATION AND FILING INFORMATION:
Applications must be filed online only. We will begin receiving applications on Monday, November 28, 2022 at 8:00 a.m. (PT). We must receive your application before 5:00 p.m. (PT) on the last day of filing. Applications submitted by U.S. Mail, Fax, or in person will not be accepted.

Plan to submit your online application well in advance of the deadline, as you may be required to verify your email address. This only needs to be done once per email address, and if you already have a job seeker account on governmentjobs.com/careers/lacounty, you can verify at any time by logging in and following the prompts. This is to enhance the security of your online application and to ensure you do not enter an incorrect email address.

Fill out your application completely. The acceptance of your application depends on whether you have clearly shown that you meet the Selection Requirements as listed on this job posting. Provide any relevant job experience in the spaces provided so we can evaluate your qualifications for the job. For each job held, give the name and address of your employer, your job title, beginning and ending dates, number of hours worked per week, and description of work performed. If your application is incomplete, it will be rejected.

IMPORTANT: Please note that all information included in the application materials is subject to verification at any point during the examination and hiring process, including after an appointment has been made. Falsification of any information may result in disqualification or rescission of appointment. Utilizing verbiage from Class Specification and Minimum requirements serving as your description of duties will not be sufficient to demonstrate that you meet the requirements. Doing so may result in an incomplete application and you may be disqualified.

SOCIAL SECURITY NUMBER: Please include your Social Security Number for record control purposes. Federal law requires that all employed persons have a Social Security Number.

NO SHARING OF USER ID AND PASSWORD: All applicants must file their application online using their own user ID and password. Using a family member's or friend's user ID and password may erase a candidate's original application record.

COMPUTER AND INTERNET ACCESS AT PUBLIC LIBRARIES: For applicants who may not have regular access to a computer or the internet, you may borrow laptops and Wi-Fi hotspots from some public libraries throughout Los Angeles County to complete job applications.

Department Contact Name: Damian Cousin
Department Contact Phone: (213) 738-2247
Department Contact Email: dcousin@hr.lacounty.gov
Testing Accommodations Coordinator Email: TestingAccommodations@hr.lacounty.gov
Teletype Phone: (800) 899-4099
Alternate Teletype Phone: (800) 897-0077
California Relay Services Phone: (800) 735-2922