Data Engineer/Python SQL Developer*

SierTeK proudly serves our clients by providing expertise in the Program Management, Information Technology, and Administrative Support domains. Founded in 2007 as a minority and service-disabled veteran-owned company, we serve as prime- and subcontractor for a multitude of Federal Department of Defense contracts. By focusing on continual improvement, our services remain at the forefront of our industry, and we pride ourselves on delivering our services with the highest degree of integrity.

SierTeK Ltd. is seeking a Data Engineer/Python & SQL Developer to support an opportunity remotely.

Position Overview Section 

We are seeking a highly qualified Data Engineer / Python & SQL Developer to support the design, development, and deployment of data engineering and ETL solutions in a mission-focused environment. The successful candidate will bring deep technical experience in Python and SQL, with demonstrated capability building scalable data pipelines and cloud-based integrations using AWS services. This individual will also be responsible for applying sound database design principles through table design and stored procedure scripting, producing high-quality technical documentation, and operating effectively within an Agile delivery model. Experience supporting U.S. Air Force environments and/or possession of relevant Air Force credentials is strongly preferred.

Essential Job Functions

• Design, develop, enhance, and maintain data pipelines, ETL workflows, and backend data processing solutions using Python and SQL
• Implement and support cloud-based data engineering capabilities leveraging AWS Lambda, AWS Glue, Amazon S3, and other relevant AWS services
• Apply leading practices in database design, including schema development, data modeling, normalization, optimization, and data integrity controls
• Analyze business and technical requirements and translate them into scalable, maintainable, and secure data solutions
• Develop, update, and maintain technical artifacts such as solution documentation, interface specifications, data flow diagrams, and operational procedures
• Participate in Agile ceremonies and delivery processes, including backlog management, sprint planning, status tracking, and issue resolution through Jira
• Troubleshoot and resolve data quality, integration, and performance issues across the solution landscape
• Test ETL Pipelines and Data workflows and perform code review for other Data Engineers
• Collaborate with cross-functional stakeholders, including developers, architects, analysts, and program leadership, to support successful delivery outcomes