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# Mid-Level ETL Software Engineer [$282k/yr+] TS/SCI-FS Poly

- **Company:** SYSTOLIC, INC.
- **Location:** Bethesda, MD, United States
- **Experience:** Experienced
- **Salary:** $282,000
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Amazon Web Services, Unit Testing, Microsoft Azure, Big Data, Extract Transform Load (ETL), Data Stores, DevOps, Memory Management, Amazon DynamoDB, Elasticsearch, Python (Programming Language), PostgreSQL, NoSQL, Performance Tuning, Software Engineering, Data Streaming, Load Balancing, Cloud Platform System, Real Time Systems, Apache Nifi, Restful APIs, Data Pipelines
- **Published:** November 11, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9308192/mid-level-etl-software-engineer-282kyr-tssci-fs-poly

## About the Role

* Degree: Technical bachelor's degree or equivalent experience
 * Years of experience: 8+ years
 * Total Compensation: $282k+ yearly (tentative)

## Description

* Develop and manage enterprise-level ETL data pipelines using Apache NiFi, Java, and Python.
 * Build, optimize, and troubleshoot large-scale data ingestion and transformation flows across cloud environments including AWS.
 * Integrate relational and NoSQL data stores via REST APIs within a collaborative DevOps lifecycle., * Develop and implement enterprise-level ETL NiFi data pipelines for large-scale data ingestion, transformation, and processing from diverse sources.
 * Optimize NiFi data flows, including processor tuning, memory management, and load balancing, ensuring optimal performance for batch and real-time processing.
 * Identify, diagnose, and resolve NiFi data flow issues, performance bottlenecks, data discrepancies, and integration failures.
 * Design and write code and automation scripts using Java and Python to extract, triage, and exploit data across domains and data stores.
 * Deploy, configure, and maintain ETL data solutions across cloud platforms such as AWS and Azure.
 * Integrate and interact with relational and NoSQL databases, including PostgreSQL, Elasticsearch, and DynamoDB.
 * Implement RESTful API integrations to enable seamless connectivity across enterprise tools and applications.
 * Follow established best practices for NiFi development, deployment, security, governance, and standard operating procedures.
 * Collaborate within a DevOps framework to support all phases of the software development lifecycle from requirements analysis to unit testing.