Data Engineer/Python SQL Developer
About the position SierTeK Ltd. is seeking a 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.
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 capabilities leveraging AWS Lambda, AWS Glue, Jobnity 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
Requirements
- Proven experience as an advanced or expert-level Python and SQL developer
- Hands-on experience with AWS Lambda, AWS Glue, Remotara S3, and related ETL or cloud data integration tools
- Strong understanding of database design and data architecture best practices
- Experience producing clear, structured technical documentation for development and operational use
- Experience working within Agile delivery teams and using Jira to support workflow management
- Strong analytical, problem-solving, and communication skills
- Ability to work independently and collaboratively in a fast-paced, deadline-driven environment
- Consultant/Senior Consultant (or USDC/PDM/Specialist equivalent)
Nice-to-haves
- Prior experience supporting Department of Defense or U.S. Air Force programs
- Existing Air Force credentials and/or ability to work in a secure or controlled government environment
- Familiarity with secure data handling, compliance-driven delivery, and mission-oriented technology programs
- Experience working in complex enterprise data environments with multiple upstream and downstream integrations
Benefits
- Employment is decided based on qualifications, merit, and business need.
- All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran status, gender identity and sexual orientation.
- This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, transfer, leaves of absence, compensation, and training.
- If you need assistance or accommodation due to a disability, you may contact us at 1+833.743.7835.
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