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# Senior Data Engineer

- **Company:** Mastercard
- **Location:** O'Fallon, MO, United States
- **Experience:** Expert
- **Salary:** $115,000.0 - $184,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Big Data, Cyber Security, Data Architecture, Information Engineering, Data Governance, Data Infrastructure, Data Integration, Data Integrity, Extract Transform Load (ETL), Data Security, Data Systems, Database Design, Distributed Computing Environment, Machine Learning, Scrum Methodology, Systems Development Life Cycle, DataOps, Workflow Management Systems, Data Processing, Delivery Pipeline, Software Troubleshooting, Data Layers, Data Lakes, Data Management, Data Pipelines
- **Published:** August 15, 2026
- **Apply:** https://www.careerjet.com/job/us32b7ad5b7a49caafd6ea0f8fd8e9c633/eaa

## About the Role

* Experience designing and building scalable systems using modern Data Engineering principles
 * Strong experience with Distributed Data Processing and large-scale data platforms
 * Hands-on experience with Data Integration, Data Modeling, and Data Processing
 * Experience building and maintaining Data Lakes and modern data architectures
 * Solid understanding of Database Design and data optimization techniques
 * Knowledge of Workflow Orchestration tools and end-to-end pipeline automation
 * Strong understanding of Data Security and data governance practices
 * Proven ability to work independently on complex technical challenges
 * Strong troubleshooting and root cause analysis skills in data environments
 * Experience working in Agile/Scrum environments and collaborating across teams
 * Strong communication and collaboration skills, with the ability to influence decisions
 * Experience mentoring or supporting other engineers
 * Bachelor's degree or equivalent experience

Nice to Have

 * Experience with cloud platforms (AWS, Azure, or GCP) and modern data tooling
 * Experience with event-driven or streaming architectures
 * Exposure to machine learning or advanced analytics environments
 * Experience in high-throughput or regulated environments (payments, banking, fintech)

## Description

As a Senior Data Engineer, you'll take ownership of building and optimizing data platforms, pipelines, and systems that enable advanced analytics, machine learning, and business insights. You'll collaborate closely with engineering, product, and analytics teams to deliver reliable, production-ready data solutions.
Role

 * Design, build, and maintain scalable data platforms leveraging Data Engineering best practices
 * Develop and optimize large-scale data pipelines using Distributed Data Processing frameworks
 * Implement and manage automated workflows using Workflow Orchestration to ensure reliable data movement and processing
 * Design and integrate data from multiple sources using Data Integration techniques to create a unified, accessible data layer
 * Build and maintain scalable Data Lakes for storing and analyzing large, diverse datasets
 * Define and implement robust Data Modeling strategies to support analytics and reporting use cases
 * Design and optimize Database Design solutions to ensure performance, scalability, and data integrity
 * Process and transform large datasets using efficient Data Processing techniques to generate actionable insights
 * Ensure strong Data Security practices, including data protection, governance, and compliance
 * Lead system design discussions and contribute to architectural decisions
 * Own full SDLC delivery including requirements, design, development, testing, and deployment
 * Troubleshoot and resolve production issues through structured root cause analysis
 * Drive improvements in performance, scalability, and reliability of data systems
 * Collaborate across teams to align data solutions with business needs
 * Mentor team members and contribute to knowledge sharing and technical development, All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:
Abide by Mastercard's security policies and practices;
Ensure the confidentiality and integrity of the information being accessed;
Report any suspected information security violation or breach, and
Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.


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