Data Scientist I

Job description

POSITION SUMMARY: The Data Scientist I supports internal AI and analytics initiatives by applying foundational AI, data science, statistical, and programming skills to solve well-defined business problems. The incumbent focuses on building, evaluating, and documenting AI, analytical and machine learning solutions under guidance, while ensuring results are accurate, interpretable, and aligned with business context. The Data Scientist I partners with senior data scientists, analytics engineers, and business stakeholders to translate analytical work into clear insights that inform decision-making. PRINCIPAL RESPONSIBILITIES: Develops and evaluates statistical, machine learning, and AI models using appropriate performance metrics, with guidance from senior team members, including data cleaning, feature preparation, exploratory data analysis, prompt engineering, LLM-based applications, and model evaluation. Conducts hypothesis testing, time series analysis, and basic causal or experimental analysis to assess impact and identify trends. Transforms analytical results into clear, actionable insights that answer defined business questions. Participates in the end-to-end analytics lifecycle, including analysis, validation, basic deployment support, and measurement. Contributes to maintaining and improving existing analytics solutions and models. Documents solution design, analytical assumptions, data definitions, and limitations in a clear and reproducible manner. Works closely with team members to understand business requests, clarify requirements, and ensure analyses pass practical and operational validation checks. Learns commonly used AI and analytic techniques and how they are applied to Republic Services business challenges. Performs other job-related duties as assigned or apparent. QUALIFICATIONS: Skilled at programming in Python in data science, AI, and statistical analysis settings. Proficient with relational databases and the ability to write SQL queries. Preferred experience working with cloud-based data platforms and infrastructure, such as Snowflake and AWS, to support analytics, AI, and data science workflows. Familiarity with version control (Git) and basic collaborative development practices. Familiarity with AI-based coding assistants like GitHub CoPilot, Cursor, Claude Code. Knowledge of Excel and PowerBI. Master's degree in an analytical field (Mathematics, Computer Science, Information Management, Statistics, Engineering) - preferred. MINIMUM REQUIREMENTS: Bachelor’s Degree in an analytical field (Mathematics, Computer Science, Information Management, Statistics, Engineering). 1 year of experience with advanced programming in Python and SQL, conducting complex statistical analysis and building machine learning algorithms or AI applications with large databases. 1+ years of experience working with large databases to perform complex analysis. 1+ years of experience with advanced statistical modeling, machine learning methods, and/or AI models. This is an in-office position. Must reside in the metro Phoenix, Arizona area. Rewarding Compensation and Benefits Eligible employees can elect to participate in: • Comprehensive medical benefits coverage, dental plans and vision coverage. • Health care and dependent care spending accounts. • Short- and long-term disability. • Life insurance and accidental death & dismemberment insurance. • Employee and Family Assistance Program (EAP). • Employee discount programs. • Retirement plan with a generous company match. • Employee Stock Purchase Plan (ESPP). • Paid Time Off (PTO) • Benefits: https://jobs.republicservices.com/us/en/about-us/benefits The statements used herein are intended to describe the general nature and level of the work being performed by an employee in this position, and are not intended to be construed as an exhaustive list of responsibilities, duties and skills required by an incumbent so classified. Furthermore, they do not establish a contract for employment and are subject to change at the discretion of the Company. EEO STATEMENT:Republic Services is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, disability, protected veteran status, relationship or association with a protected veteran (spouses or other family members), genetic information, or any other characteristic protected by applicable law. For any concerns relating to Republic Services’ commitment to equal opportunity employment, you may contact the AWARE Line at 1-866-3-AWARE-4. ABOUT THE COMPANY Republic Services, Inc. (NYSE: RSG) is a leader in the environmental services industry. We provide customers with the most complete set of products and services, including recycling, waste, special waste, hazardous waste and field services. Our industry-leading commitments to advance circularity and support decarbonization are helping deliver on our vision to partner with customers to create a more sustainable world. In 2025, Republic’s total company revenue was $16.6 billion, and adjusted EBITDA was $5.3 billion. We serve 13 million customers and operate more than 1,000 locations, including collection and transfer stations, recycling and polymer centers, treatment facilities, and landfills. Although we operate across North America, the collection, recycling, treatment, or disposal of materials is a local business, and the dynamics and opportunities differ in each market we serve. By combining local operational management with standardized business practices, we drive greater operating efficiencies across the company while maintaining day-to-day operational decisions at the local level, closest to the customer. Our customers, including small businesses, major corporations and municipalities, want a partner with the expertise and capabilities to effectively manage their multiple recycling and waste stre