Data Engineer / Python & SQL Developer

Graham Technologies•Washington, DC

4d•Remote

About The Position

Graham Technologies is 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. This role requires advanced expertise in Python and SQL, with demonstrated experience developing scalable data pipelines, cloud-based integrations, and backend data processing solutions using AWS services. The ideal candidate will also bring strong database design capabilities, technical documentation skills, and experience working within Agile delivery environments.

Requirements

Proven advanced or expert-level experience developing solutions using Python and SQL
Hands-on experience designing, developing, and maintaining ETL pipelines and data workflows
Experience with AWS Lambda, AWS Glue, Amazon S3, and related cloud data integration technologies
Experience with database design, schema development, data modeling, table design, and stored procedure scripting
Experience troubleshooting data quality, integration, and performance issues
Experience testing ETL pipelines and conducting code reviews
Consultant/Senior Consultant or USDC/PDM/Specialist equivalent experience
Strong understanding of database design and data architecture best practices
Strong Python development and SQL scripting capabilities
Ability to design scalable, maintainable, and secure data engineering solutions
Ability to produce clear and structured technical documentation for development and operational use
Strong analytical, troubleshooting, problem-solving, and communication skills
Ability to work independently and collaboratively in a fast-paced, deadline-driven environment
Ability to meet applicable government security and access requirements

Nice To Haves

Prior experience supporting Department of Defense (DoD) or U.S. Air Force programs
Experience working in complex enterprise data environments with multiple upstream and downstream integrations
Experience supporting mission-oriented technology programs
Experience working within secure or controlled government environments

Responsibilities

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 solutions leveraging AWS Lambda, AWS Glue, Amazon S3, and related AWS services
Design and maintain database schemas, tables, data models, and stored procedures
Apply database design best practices, including normalization, performance optimization, data integrity, and scalable architecture
Analyze business and technical requirements and translate them into secure, scalable, and maintainable data solutions
Develop and maintain technical documentation, including solution documentation, interface specifications, data flow diagrams, and operational procedures
Participate in Agile ceremonies and delivery activities, including backlog management, sprint planning, status tracking, and issue resolution using Jira
Troubleshoot and resolve data quality, integration, ETL, and performance issues across the solution environment
Test ETL pipelines and data workflows to validate functionality, reliability, and data quality
Perform peer code reviews for other Data Engineers and provide technical guidance as appropriate
Collaborate with developers, architects, analysts, program leadership, and other cross-functional stakeholders to support successful delivery outcomes