Senior Data Engineering Consultant

UnitedHealth Group; Chennai District; On-site; Confidential; Full time

Job summary

UnitedHealth Group is seeking a senior Data Engineer to design and build scalable data pipelines and lead decisions around data warehousing and big data solutions in Chennai. You will optimize performance, enforce data governance, and collaborate with data scientists and business teams to enable analytics and ML.

The role requires 9+ years of experience with Spark/Hadoop, cloud platforms, and strong programming skills.

Qualifications

• Bachelor’s degree or equivalent experience.
• 9+ years of data engineering experience.
• Hands-on experience with Spark/Hadoop and cloud platforms.
• Experience with data governance and security standards.

Responsibilities

• Design and build scalable data pipelines.
• Lead data warehousing architectural decisions.
• Improve database performance and data workflows.
• Implement data quality, governance, and compliance.
• Collaborate with data scientists and analysts.
• Mentor junior engineers.
• Automate testing and deployment of data systems.
• Troubleshoot complex data issues.
• Ensure system reliability and security.

Skills

ETL & Big Data

Cloud Platforms

Docker & Kubernetes

Distributed Systems

Data Security & Compliance

SQL & NoSQL

Programming (Python/Scala)

Databricks & Snowflake

Education

Undergraduate degree or equivalent experience

Tools

Spark

Hadoop

Azure Databricks

ADF

Airflow

SQL

NoSQL

Snowflake

Docker

Kubernetes

Job description

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us advance health optimization on a global scale. Join us to start Caring. Connecting. Growing together.

Primary Responsibilities:

• Design & Build Data Infrastructure: Develop and maintain scalable data pipelines (ETL/ELT) for large-scale data processing
• Data Architecture: Lead architectural decisions for data warehousing and big data solutions
• Optimize Performance: Improve database performance, query efficiency, and data workflows
• Data Quality & Governance: Implement frameworks for data validation, monitoring, and compliance
• Collaboration: Work with data scientists, analysts, and business teams to enable analytics and machine learning
• Mentorship: Guide junior engineers and promote best practices in data engineering
• Automation & Deployment: Create automated testing and deployment processes for data systems
• Troubleshooting: Resolve complex data issues and ensure system reliability
• Comply with the terms and conditions of the employment contract, company policies and procedures, and any and all directives (such as, but not limited to, transfer and/or re-assignment to different work locations, change in teams and/or work shifts, policies in regards to flexibility of work benefits and/or work environment, alternative work arrangements, and other decisions that may arise due to the changing business environment). The Company may adopt, vary or rescind these policies and directives in its absolute discretion and without any limitation (implied or otherwise) on its ability to do so

Required Qualifications:

• Undergraduate degree or equivalent experience
• 9+ years of experience
• ETL Tools & Big Data: Hands-on experience with Spark, Hadoop, or similar frameworks
• Cloud Platforms: Azure, (or GCP) experience
• Containerization & Orchestration: Knowledge of Docker, Kubernetes
• Distributed Systems: Knowledge of data partitioning and parallel processing
• Data Security & Compliance: Familiarity with GDPR, HIPAA, or similar standards
• Data Modeling & Warehousing: Expertise in relational and NoSQL databases
• Programming: Solid in Azure Databricks, Python/Scala, ADF, Airflow, SQL; experience with Snowflake is a plus

Preferred Qualifications:

• Streaming Technologies: Knowledge of Kafka or similar message queuing systems
• Knowledge of Snowflake
• Knowledge of AI and Machine Learning Deployment: implementing AI solutions (RAG development, Agents creation), Exposure to ML model integration
• Knowledge of CI/CD for Data: Jenkins or other DevOps tools for data workflows

At UnitedHealth Group, our mission is to help people live healthier lives and make the health system work better for everyone. We believe everyone-of every race, gender, sexuality, age, location and income-deserves the opportunity to live their healthiest life. Today, however, there are still far too many barriers to good health which are disproportionately experienced by people of color, historically marginalized groups and those with lower incomes. We are committed to mitigating our impact on the environment and enabling and delivering equitable care that addresses health disparities and improves health outcomes - an enterprise priority reflected in our mission.