We are seeking a Principal Data Scientist to join American Tower's Information Technology organization's Data & Analytics team. The team drives the strategy, architecture, and delivery of advanced machine learning (ML) and artificial intelligence (AI) solutions across the enterprise.

Day to day you will design and implement scalable ML systems, partner with the Data Engineering team on pipelines, and collaborate with the Productization & Adoption team to deploy models into production. As a Principal Data Scientist, you will set technical standards, mentor team members, and ensure solutions align with governance frameworks established by the Strategy & Governance team.

• Partner with Operations, Finance, Sales, and Legal department stakeholders to translate complex problems into measurable AI and ML initiatives, influence the analytics roadmap, and communicate findings to technical and non-technical audiences.
• Act as lead technical consultant and subject matter expert for scoping AI projects, defining requirements, and ensuring high-quality deliveries of advanced solutions.
• Design and implement supervised, unsupervised, and reinforcement learning models, including feature engineering, model selection, and rigorous validation for accuracy and scalability.
• Architect solutions for unstructured data (contracts, documents, images), geospatial data, and enterprise systems (Salesforce CRM, Oracle ERP) to deliver actionable insights.
• Design and build end-to-end ML systems aligned with MLOps best practices; collaborate with the Data Engineering team on pipelines and with the Productization & Adoption team on deployments.
• Define and enforce standards for model governance, ethics, and bias detection in compliance with organizational policies.
• Mentor and guide Data Scientists, lead technical reviews, and recommend tools and methodologies to enhance the team's capabilities and performance.
• Other duties as assigned.

• Bachelor's degree required, with a concentration in Computer Science, Statistics, Engineering, Physics, or a related quantitative field preferred.
• Master's degree or other advanced degree preferred.
• A minimum of 8 years of data science or machine learning experience with at least 5 years as a senior- or principal-level practitioner delivering models in production required.
• Expert proficiency in Python and ML libraries (eg, scikit-learn, TensorFlow, PyTorch).
• Strong foundation in statistics, causal inference, time series, and optimization with an ability to select appropriate methods for given problems.
• Deep expertise in computer vision or geospatial/Geographic Information System modeling.
• Experience with MLOps platforms and workflows (Databricks, MLflow, Azure ML, Amazon SageMaker, or Google Vertex AI), including experiment tracking and model registry.
• Experience deploying models to production systems (APIs, streaming, batch workflows) with appropriate monitoring and alerting.
• Familiarity with data platforms (Databricks or Snowflake) and enterprise systems (Salesforce CRM, Oracle ERP) preferred.
• Strong written and oral communication skills, including the ability to present ideas and suggestions clearly and effectively.
• Ability to work with different functional groups and levels of employees to effectively and professionally achieve results.
• Strong organizational skills; ability to accomplish multiple tasks within the agreed-upon timeframes through effective prioritization in a fast-paced environment.

American Tower is a global digital infrastructure company serving customers through tower sites and other real-estate solutions that support connectivity and opportunity, focused on achieving our vision of Building a More Connected World. We are one of the largest global Real Estate Investment Trusts (REITs) and a publicly traded company (NYSE:AMT), headquartered in Boston, Massachusetts. The next decade will be an exciting time as we evolve our infrastructure to meet tomorrow's needs and position our people to elevate their impact, their potential, and our shared success. Come grow your career with us!

For more information about how American Tower is building a more connected world, visit americantower.com .

American Tower is proud to be an equal-opportunity employer and will not discriminate against an applicant or employee based on age, sex, sexual orientation, gender identity, race, color, creed, religion, national origin or ancestry, citizenship, marital status, familial status, disability, military or veteran status, genetic information, pregnancy, reproductive decisions, or any other characteristic protected under applicable law.

American Tower is committed to fair and equitable compensation practices. Placement within the salary range is based on a variety of factors, including relevant experience, skills, certifications, job level, and location. For U.S.-based candidates only, please see the base salary range for this position listed below. This position is also eligible for an annual bonus, an annual equity award, and participation in the Employee Stock Purchase Plan (ESPP). For candidates outside of the U.S., salary and benefits are based upon local market practice.

American Tower also offers a comprehensive benefits package, which includes healthcare coverage, a 401(k) savings plan, paid time off, company holidays, sick leave, parental leave, and access to an Employee Assistance Program focused on mental and financial wellness.