Data Engineer/Python SQL Developer

SierTeK • Dayton, OH

6d • Remote

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.

Requirements

• Proven experience as an advanced or expert-level Python and SQL developer
• Hands-on experience with AWS Lambda, AWS Glue, Amazon 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

• Experience supporting U.S. Air Force environments and/or possession of relevant Air Force credentials is strongly preferred.
• 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

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, 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

Benefits

• SierTeK is an equal opportunity employer. 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.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed