Jobs · Information Technology · Minnesota

Senior Data Scientist

Optum · Minnetonka, MN · 3 mo ago
Information Technology$92k–$164k/yrFull-time

Primary Responsibilities

  • Technical Leadership
  • Architect, design, and implement scalable data platforms, pipelines, and ETL/ELT workflows
  • Lead end-to-end data engineering efforts, ensuring reliability, performance, and cost-efficient data systems
  • Mentor and guide junior and senior data engineers, fostering a culture of technical excellence and collaboration
  • Collaborate with cross-functional teams (analytics, product, engineering, business) to align data solutions with business goals
  • Data Engineering & Pipeline Development
  • Build, optimize, and maintain robust data pipelines using Python, SQL, and Apache Airflow
  • Manage large-scale data ingestion, transformation, and orchestration frameworks
  • Optimize database queries, stored procedures, and schema design in MSSQL and other SQL/NoSQL systems
  • Cloud & Infrastructure
  • Develop and manage cloud-native data platforms using AWS services (S3, Glue, Lambda, RDS, Redshift, EC2, Step Functions, etc.)
  • Ensure high availability, disaster recovery, and monitoring of critical data workflows
  • Implement CI/CD, infrastructure-as-code, and DevOps practices for data engineering workloads
  • Data Warehousing & Modeling
  • Design and enhance enterprise data warehouses and data marts following industry best practices
  • Drive dimensional modeling, data partitioning, performance tuning, and metadata management
  • Ensure consistency and quality across analytical datasets and data sources
  • Data Governance & Quality
  • Establish data quality frameworks, lineage tracking, validation checks, and documentation
  • Implement governance standards including security, compliance, and access control
  • Partner with business stakeholders to define and enforce master data and reference data strategies
  • Design, develop, and deploy AI-powered solutions to address complex business challenges with emphasis on responsible use of AI

Required Qualifications

  • Bachelor's degree in CS or IT related field
  • 10+ years of experience in Data Engineering, with at least 3+ years in a senior/principal-level role
  • 7+ years of experience in MSSQL-query optimization, indexing, stored procedures, performance tuning
  • 7+ years of experience in Data Warehousing, ETL/ELT, and big-data processing
  • 5+ years of hands-on experience with AWS Cloud for data architecture and pipeline development
  • 5+ years of extensive experience with Airflow for workflow orchestration
  • 3+ years of experience in Python for data engineering (Pandas, PySpark, etc.)
  • 2+ years of experience in data management principles: governance, quality, lineage, and security

Preferred Qualifications

  • Excellent leadership, communication, and cross-team collaboration skills
  • Ability to translate business needs into scalable technical designs

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