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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # ETL Data Engineer - **Company:** ALPHA OMEGA INTEGRATION, LLC. - **Location:** Vienna, VA, United States - **Experience:** Expert - **Salary:** $90,000.0 - $130,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Amazon S3, Batch Processing, C Sharp (Programming Language), Cloud Foundry, Databases, Data Integration, Extract Transform Load (ETL), Relational Databases, Database Connection, IBM InfoSphere DataStage, Document Management Systems, MySQL, Node.Js, Aws Command Line Interface (CLI), Secure Coding, Shell Script, Software Engineering, SQL Stored Procedures, SQL Databases, Systems Integration, TypeScript, Openapi, Data Logging, Data Processing, File Transfer Protocol (FTP), Backend, Restful APIs, Software Version Control, Legacy Systems - **Published:** October 14, 2026 - **Apply:** https://diversityjobs.com/career/18630162/Etl-Data-Engineer-Virginia-Vienna ## About the Role * U.S. citizenship and ability to pass the client-required criminal and financial background investigation. * 5+ years of experience developing or supporting production software and data-processing systems. * Proficiency with SQL and relational databases. * Experience with APIs, data integration, batch processing, or ETL. * Ability to troubleshoot across application code, databases, file workflows, and deployment environments. * Familiarity with secure development practices, source control, testing, and technical documentation. * Strong communication skills and the ability to work with both modern and legacy systems. Preferred Qualifications: * Experience with Node.js, TypeScript, Express, and OpenAPI. * Experience with MySQL, AWS S3, AWS CLI, SFTP, and shell scripting. * Familiarity with Cloud Foundry deployments and service bindings. * Experience with IBM DataStage or similar ETL platforms. * Experience maintaining Java, C#, and SQL stored-procedure workloads. * Background supporting regulated, financial, or reporting-oriented systems. ## Description Alpha Omega is seeking a qualified ETL Data Engineer for one of our prime Federal projects in Arlington, VA. He will develop, maintain, and support four project areas: a downstream API, a file-ingestion and ETL application, AWS-based file-transfer automation, and a portfolio of legacy applications and data-processing systems. This role combines software development, data integration, operational support, and modernization of systems across multiple technology generations., * Develop and support REST APIs and backend services, including authentication, database connectivity, configuration, and API documentation. * Build and maintain file-ingestion and ETL workflows that parse, transform, validate, and load data from structured files into databases. * Maintain automated file transfers using AWS S3, SFTP, shell scripts, and environment-specific configurations. * Support legacy applications and batch processes, including ETL jobs, Java and C# components, SQL stored procedures, and reporting-system integrations. * Troubleshoot production issues; improve monitoring, logging, error handling, notifications, and operational recovery procedures. * Deploy and support applications across development, QA, and production environments, including Cloud Foundry and related services. * Collaborate with application owners, operations, security, and data stakeholders to deliver reliable changes and resolve incidents. * Document system behavior, support procedures, interfaces, and technical decisions; identify opportunities to improve reliability and maintainability., We are committed to supporting our agency partners as they transform their operations, delivering on our purpose to ensure the safety, security, and well-being of future generations: * National Security - Supporting agencies such as the Department of Homeland Security (DHS) and the Department of State. * Federal Financial - We bring deep expertise in enterprise financial systems, supporting agencies like the Securities and Exchange Commission (SEC) and the Federal Deposit Insurance Corporation (FDIC). * Healthcare - Our Health IT capabilities, enhance health outcomes for the warfighter via the Defense Health Agency (DHA) and support public health initiatives at the Centers for Disease Control and Prevention (CDC), National Institutes of Health (NIH), and the Substance Abuse and Mental Health Services Administration (SAMHSA). * Space & Science - We leverage technology to advance agricultural sustainability, secure our nation's food supply, and prepare for natural disasters, working with the National Oceanic and Atmospheric Administration (NOAA) and the United States Department of Agriculture (USDA).