

A2C
Senior Data Modeler
⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Data Modeler, contract length unspecified, offering a competitive pay rate. Requires 7+ years in Data Modeling, advanced SQL, and expertise in ERwin. Experience in Healthcare Insurance preferred, with strong skills in Agile, data security, and cloud platforms.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
November 12, 2025
🕒 - Duration
Unknown
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🏝️ - Location
Unknown
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
Philadelphia, PA
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🧠 - Skills detailed
#Data Security #"ETL (Extract #Transform #Load)" #ERWin #SQL (Structured Query Language) #Databases #BI (Business Intelligence) #BigQuery #Snowflake #SQL Server #Agile #MDM (Master Data Management) #Normalization #Data Management #GCP (Google Cloud Platform) #Data Profiling #Metadata #Oracle #Security #MySQL #Cloud #Classification #Physical Data Model #Data Mapping #Data Modeling #Documentation
Role description
• Primary job function entails gathering and assessing business and technical requirements to create/update database objects.
• Delivery items include using ERwin Data Modeler to create and maintain entity relationship diagrams, DDL, and supporting documentation as needed.
• Additional job functions include identifying solution design options, advanced data profiling and subject matter expertise.
• This role works closely with all development resources including Business Systems Analysts, Developers and Project Managers.
• The Senior Data Modeler works independently with minimal guidance and acts as a resource for colleagues with less experience.
• A solid understanding of the following is required:
• Agile Methodology
• Logical and Physical data modeling
• Levels of Normalization
• Abstraction and Generalization
• Subtyping and Classification
• Relational model design
• Dimensional model design (Star Schemas, Snowflake designs)
• Inmon & Kimball methodologies
• Master Data Management (MDM)
• Data Profiling
• Metadata Management
• Data security and protecting information
• ETL processes, BI processes
• Cloud Platforms, especially Google Cloud Platform
• Requirements:7+ years of proven experience in Data Modeling
• 5+ years of experience with advanced SQL query techniques
• Highly skilled in Erwin, including but not limited to: Diagraming, Complete Compare, Reverse Engineering, Forward Engineering
• Strong multi-tasking capability, with adaptability to work simultaneously in multiple environments with differing procedures, SME support and level of accountability
• Ability to estimate scope of effort, to prioritize and/or fast track requirements, and to provide multiple options for data-driven solution design
• Demonstrated ability to recognize, elicit and/or decompose complex business requirements
• Demonstrated ability to perceive patterns and relationships in data
• Demonstrated ability to design models which integrate data from disparate sources
• Demonstrated ability to design data models for complex and ragged hierarchies
• Demonstrated ability to design data models for complicated historical perspectives
• Understanding of data warehousing and decision support tools and techniques
• Strong ability to multi-task with several concurrent issues and projects
• Demonstrated ability to interact effectively with all levels of the organization
• Strong interpersonal, written and verbal communication skills
• Experience advising or mentoring staff regarding data administration, data modeling, and data mapping
• Desired: Experience creating data models for BigQuery, SQL Server, Oracle and MySQL databases
• Experience in Healthcare Insurance or related field strongly preferred
• Primary job function entails gathering and assessing business and technical requirements to create/update database objects.
• Delivery items include using ERwin Data Modeler to create and maintain entity relationship diagrams, DDL, and supporting documentation as needed.
• Additional job functions include identifying solution design options, advanced data profiling and subject matter expertise.
• This role works closely with all development resources including Business Systems Analysts, Developers and Project Managers.
• The Senior Data Modeler works independently with minimal guidance and acts as a resource for colleagues with less experience.
• A solid understanding of the following is required:
• Agile Methodology
• Logical and Physical data modeling
• Levels of Normalization
• Abstraction and Generalization
• Subtyping and Classification
• Relational model design
• Dimensional model design (Star Schemas, Snowflake designs)
• Inmon & Kimball methodologies
• Master Data Management (MDM)
• Data Profiling
• Metadata Management
• Data security and protecting information
• ETL processes, BI processes
• Cloud Platforms, especially Google Cloud Platform
• Requirements:7+ years of proven experience in Data Modeling
• 5+ years of experience with advanced SQL query techniques
• Highly skilled in Erwin, including but not limited to: Diagraming, Complete Compare, Reverse Engineering, Forward Engineering
• Strong multi-tasking capability, with adaptability to work simultaneously in multiple environments with differing procedures, SME support and level of accountability
• Ability to estimate scope of effort, to prioritize and/or fast track requirements, and to provide multiple options for data-driven solution design
• Demonstrated ability to recognize, elicit and/or decompose complex business requirements
• Demonstrated ability to perceive patterns and relationships in data
• Demonstrated ability to design models which integrate data from disparate sources
• Demonstrated ability to design data models for complex and ragged hierarchies
• Demonstrated ability to design data models for complicated historical perspectives
• Understanding of data warehousing and decision support tools and techniques
• Strong ability to multi-task with several concurrent issues and projects
• Demonstrated ability to interact effectively with all levels of the organization
• Strong interpersonal, written and verbal communication skills
• Experience advising or mentoring staff regarding data administration, data modeling, and data mapping
• Desired: Experience creating data models for BigQuery, SQL Server, Oracle and MySQL databases
• Experience in Healthcare Insurance or related field strongly preferred






