Senior Data Scientist

Posting Date 01/05/24 Application Deadline 01/08/24 Pay Range $66,500 - $104,000 annually Salary offers are based on the candidate's equivalent experience and internal equity with other employees within the same job classification.
The position is not eligible for overtime compensation.
Job Type Unclassified Department Assessor About the Position As a Senior Data Scientist, you are responsible for advanced mathematical and statistical concepts and theories to analyze and collect data and construct solutions to problems in assessment, including automated valuation models (AVMs) to market value residential, land, and commercial properties.
The Senior Data Scientist constructs predictive models and algorithms to support data analysis and verifies model and algorithm effectiveness based on real-world results.
You will design experiments and apply methodologies to generate and collect data for use in the valuation and assessment processes.
Apply now to work with a dynamic group of diverse and talented professionals! About Us Named one of Arizona's top places to work in 2023, the Maricopa County Assessor is dedicated to ensuring their employees feel valued and appreciated.
The commitment to employing professionals and providing them with state-of-the-art tools and resources to produce fair and equitable property values shows a strong commitment to serving the citizens of Maricopa County.
Fair and accurate property assessments are crucial for maintaining a just and transparent system for property taxes and public services.
Come and be a part of our mission to place employee satisfaction and community service at the forefront.
Proud to Offer Perform work with a greater purpose Opportunities for growth and development within Maricopa County Tuition reimbursement Exceptional work-life balance, with hybrid and alternative work schedule options Low-cost, high-value healthcare for you and your qualifying dependents Maricopa County participates in the Arizona State Retirement System.
This defined retirement benefit requires a 12.
29% monthly contribution rate and includes a 100% employer match on Day 1 Paid vacation, sick, and parental (birth/adoption) leaves Extensive wellness program, including healthcare premium discounts Employee discounts for goods and services Learn more at Work With Us | Maricopa County, AZ We Require Three years of experience in data science, including but not limited to computer-assisted mass appraisal or multiple regression analysis Bachelor’s degree in Economics, Computer Science, Data Analytics, Statistics, Urban Planning, Business Administration, or another closely related discipline which includes statistics/quantitative analysis A combination of post-secondary education and/or job-related experience may substitute for the minimum qualifications on a year-for-year basis We Also Value Experience in computer-assisted mass appraisal with appraisal experience would be highly desirable.
Completion of at least two appraisal modeling courses, such as IAAO 300, 311, 312, 331,332, or 333, or equivalent Completion of DOR Level I and II courses Proficiency using SPSS, R, Python, SQL, and/or PowerBI Job Contributions Use knowledge of Assessor’s Office business processes to complete data science projects which provide insights and solutions to further efficiency, transparency, and fairness Integrate multiple data sources, models, and software tools with business line-specific decision support and data analysis For AVM models, specify, calibrate, test, verify, and deploy mass appraisal valuation models for residential, vacant land, and commercial properties throughout Maricopa County according to IAAO and DOR Standards for fair and equitable property values in compliance with statutory deadlines and guidelines.
Models primarily developed using additive, multiplicative (log-linear), and non-linear hybrid multiple regression techniques using sales and income approaches to value.
Includes conducting Temporal Analysis on multiple years of market data to value properties as of a single-valuation date.
May also include Cost Model calibration to determine if submarket adjustments are necessary Develop tools and information for Appraisers, such as calculation programs and spreadsheets, depreciation schedules, etc.
, to assist in appraisal and data collection and analysis, e.
g.
Develop model documentation & Time Adjusted Sales Price Schedules (TASP) using Regression Analysis and Reporting Techniques Provide quality control of values by producing reports, analyzing information and data, identifying and correcting data problems, and working with appraisers to obtain additional information as necessary.
Identify data quality issues within assigned models and assigned projects Contribute to problem resolution by informing team members, supervisor, Appraisers, and Assessor leadership of issues, and working collaboratively to redesign and re-run programs, conduct special analysis, and recommend and enact solutions Work collaboratively with other members of the office to implement greater efficiencies in the operation of the office, public access to records and accuracy of data for final valuations.
Manage databases; extract and import data into applications for analysis Provide feedback on data collection and acquisition; conduct and maintain data mining, predictive analytics, reporting, dashboards, and data visualization projects as needed Collaborate with senior-level staff to develop strategies to identify and pursue opportunities to use data science to improve services May work in a supervisory capacity to lower-level staff Working Conditions Most work is done in a typical office setting Hybrid work environment Selection Procedure Only the most qualified candidates will be considered Consideration will only be given to candidates who submit online applications Candidates will be contacted primarily through email and their Workday online application profile Must pass a pre-employment background and/or fingerprint investigation as required by statute or policy, including drug and alcohol testing requirements for positions designated as safety-sensitive Maricopa County is an equal opportunity employer.
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