Apptad Inc.

Sigma Engineering - Semantic & Snowflake

⭐ - Featured Role | Apply direct with Data Freelance Hub
This role is for a Senior Sigma Engineer on a long-term contract in Jersey City, NJ. Key skills include Semantic Modeling, Snowflake, AI integration, and data governance. A Bachelor’s or Master’s in IT or Computer Science is required.
🌎 - Country
United States
💱 - Currency
$ USD
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💰 - Day rate
Unknown
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🗓️ - Date
June 9, 2026
🕒 - Duration
Unknown
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🏝️ - Location
Hybrid
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📄 - Contract
Unknown
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🔒 - Security
Unknown
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📍 - Location detailed
Jersey City, NJ
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🧠 - Skills detailed
#Security #Data Governance #"ETL (Extract #Transform #Load)" #Forecasting #Database Schema #AI (Artificial Intelligence) #Snowflake #Computer Science
Role description
Job Title: Senior Sigma Engineer Location: Jersey City, NJ - HYBRID Employment Type: Long term Contract Position Summary: Semantic Modeling & Governance • Architect Data Models: Design governed Sigma Data Models on top of Snowflake, translating raw database schemas into an intuitive, business-friendly semantic layer. • Centralize Logic & Security: Develop reusable core metrics and enforce inherited row-level security within the semantic layer, ensuring a single source of truth and strict data governance. AI Integration • Deploy AI Capabilities: Leverage Sigma Assistant and Snowflake Cortex to enable secure, natural-language querying (NLQ) for business stakeholders. • Enrich Data Natively: Implement inline AI functions directly within workbooks to classify, summarize, and extract insights from unstructured text at warehouse scale. Workflow Design & Operational Apps • Build Interactive Workflows: Transform static dashboards into dynamic operational applications using Sigma UI components for cross-functional tasks like forecasting and budget approvals. • Enable Scenario Modeling: Design robust workbooks leveraging dynamic parameters and Input Tables to support complex, human-in-the-loop "what-if" analysis. Snowflake Writeback & Architecture • Implement Secure Writeback: Configure Sigma Input Tables to push user inputs, manual adjustments, and workflow decisions directly back to dedicated Snowflake schemas. • Optimize & Audit: Maintain immutable audit trails for all writeback activity and balance live-query performance with strategic Snowflake materializations. Education • Bachelor’s or Master’s in Information technology, Computer Science or related field.