Expert – Data Design

At CN, we work together to move our company-and North America-forward. Be part of our Information & Technology (I&T) team, a critical piece of the engine that keeps us in motion. From enterprise architecture to operational technology, our teams use the agile methodology to automate and digitize our railroad ensuring our operations run optimally and safely and our employees can focus on value-added tasks. You will be able to develop your skills and career in our close-knit, safety-focused culture working together as ONE TEAM. The careers we offer are meaningful because the work we do matters. Join us! 

Job Summary 

Are you passionate about shaping the foundation of data-driven decision-making? We are seeking a skilled Expert Data Modeler to join our talented team. The role of the Expert Data Modeler is to lead the collection of business requirements to be translated into efficient data structures, while ensuring data integrity and usability. A core responsibility of this role is to design, implement, and maintain data models that serve as the backbone of our organization's data infrastructure. You will also be a key contributor of a center of excellence to set data design standards for the practice. The Expert Data Modeler brings technical expertise to ensure data integrity, quality and accuracy. 

Main Responsibilities 

Understand and translate complex business data and analytics requirements to lead the hands-on creation of conceptual, logical and physical data models  Lead the definition of source to target mappings to describe data transformations  Assess and produce data analytics artefacts including data model, mapping, data flows, data lineage, metadata documentation and transformations, ensuring the integration in the technical architecture and the alignment with data quality and governance guidelines  Perform profiling and data analysis using advance SQL / Python techniques on multiple platforms, including Databricks, Netezza, SQL-Server, Oracle, etc.  Participate in the delivery and support of data quality, data consolidation and data migration initiatives  Perform design reviews and improve the effectiveness of data design and management   Lead the data analytics design practice by defining and maintaining standards and best practices  Provide guidance, onboarding and mentorship to new data designers  Lead the troubleshooting of data issues within the business and present solutions and recommendations  Collaborate with various stakeholders including Architecture, Data Engineers, Product Management, DBAs, Infrastructure and Data Governance teams 

Requirements 

Education and experience 

Bachelor’s degree specializing in Mathematics and Statistics / Computer Science / Business Analytics / or other quantitative field, related degree or equivalent experience  10 years and more overall work experience  Minimum 5 years of data design and data modeling experience  Strong experience in requirements gathering, process analysis and workflow modeling  Experience performing root cause analysis on internal and external data and processes to answer specific business questions and identify opportunities for improvement  Experience in leading and participating in business workshops and business presentations 

Skills and Competencies 

Experience with data design tools (Erwin Data Modeler r12.5 or similar version)  Experience with dimensional modeling and relational database modeling techniques  Advanced SQL skills to support data profiling, unit testing and data extraction  Experience in a Data Lake, Data Warehouse/Business Intelligence or relevant data environment  Proficiency working with Azure Data Lake (ADLS), Azure Data Factory and Databricks  Experience working with DevOps CI/CD, Azure DevOps or GitHub  Exposure to data modeling and data architecture best practices  Expert ability to identify data gaps and assess end-to-end data requirements  Ability to learn quickly, problem solve/troubleshoot, work independently or in a team  Excellent verbal and written communication skills and the ability to interact professionally with a diverse group 

Assets 

Experience in real time data streaming and loading  Experience modelling data for data science projects  Experience working with Scale Agile Methodology (SAFe)  Experience with semi-structured and unstructured data  Familiar with Data Lakehouse architecture 

This position is posted as a grade LEVEL 7. For internal candidates, note that the grade level of the position may adjust based on the employee's experience. 

About CN 

CN is a world-class transportation leader and trade-enabler. Essential to the economy, to the customers, and to the communities it serves, CN safely transports more than 300 million tons of natural resources, manufactured products, and finished goods throughout North America every year. As the only railroad connecting Canada’s Eastern and Western coasts with the Southern tip of the U.S. through a 19,500 mile rail network, CN and its affiliates have been contributing to community prosperity and sustainable trade since 1919. CN is committed to programs supporting social responsibility and environmental stewardship. At CN, we work as ONE TEAM, focused on safety, sustainability and our customers, providing operational and supply chain excellence to deliver results. 

For internal candidates, note that the grade level of the position will depend on the employee's experience.