Senior Data Engineer (Hybrid, Arlington, VA)

About the role

Mastercard Services Technology is looking for a Senior Data Engineer to join the Test & Learn team in Arlington, VA. This hybrid position involves designing, building, and maintaining large‑scale data pipelines that support global client engagements and enable sophisticated analytics for business experimentation.

Key responsibilities

• Lead the design, implementation, automation, and maintenance of enterprise‑wide ETL processes for a diverse client base.
• Develop robust, scalable data pipelines and optimize data processing using SQL and related database technologies.
• Collaborate with analytics and business stakeholders to translate business questions into clear data requirements.
• Apply industry best practices such as version control, code reviews, and data validation to ensure high‑quality data solutions.
• Mentor junior Data Engineers and support their task execution.
• Maintain compliance with Mastercard internal policies and external regulations.

Required profile

• Proven experience as a Data Engineer or in a closely related role, with strong knowledge of data engineering concepts, data modeling, and database design.
• Self‑motivated professional who thrives in collaborative, small‑team environments.
• Ability to manage multiple parallel projects and deliver accurate, high‑value solutions on time.

Required skills

• SQL
• ETL processes
• Data pipelines
• Data modeling
• Database design
• Version control
• Code reviews
• Data validation