> Markdown version of [/jobs/ext/4257645-mid-level-python-data-engineer-348k-yr-ts-sci-fs-poly](https://www.wearedevelopers.com/jobs/ext/4257645-mid-level-python-data-engineer-348k-yr-ts-sci-fs-poly). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mid-Level Python Data Engineer [$348k/yr+] TS/SCI-FS Poly - **Company:** SYSTOLIC, INC. - **Location:** Herndon, VA, United States - **Experience:** Experienced - **Salary:** $348,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Amazon Web Services, Data Integration, Extract Transform Load (ETL), Data Security, Data Flow Control, Graph Database, Python (Programming Language), PostgreSQL, MongoDB, Neo4j, NoSQL, Oracle (Applications), Redis, SQL Databases, Apache Nifi, Data Pipelines, Database Tools and Utilities - **Published:** October 31, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9275638/mid-level-python-data-engineer-348kyr-tssci-fs-poly ## About the Role * Degree: Technical bachelor's degree or equivalent experience * Years of experience: 13+ years * Total Compensation: $348k+ yearly (tentative) ## Description * Lead data modeling, architecture, and design across complex enterprise environments. * Design and implement robust ETL and ELT data pipelines using Python, Java, and Apache NiFi. * Manage and optimize diverse relational, NoSQL, and graph database systems., * Develop and maintain efficient ETL/ELT dataflows utilizing Python, Java, and Apache NiFi. * Design, manage, and query relational and NoSQL databases including Oracle, PostgreSQL, MongoDB, Redis, and Neo4J using SQL and native query tools. * Execute comprehensive data modeling and schema design to optimize data access and performance. * Support data integration, database engineering, and dataflow operations across AWS environments.