> Markdown version of [/jobs/ext/4621395-data-integration-application-support-specialist](https://www.wearedevelopers.com/jobs/ext/4621395-data-integration-application-support-specialist). 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).

---

# Data Integration & Application Support Specialist

- **Company:** AVER, LLC
- **Location:** Washington, DC, United States
- **Salary:** $120,000 - $145,000
- **Contract:** Permanent contract
- **Skills:** HTML, .NET Framework, Microsoft Excel, Microsoft Azure, C Sharp (Programming Language), Code Review, Databases, Data Files, Data Integration, Extract Transform Load (ETL), Data Transformation, Database Design, Web Development, Github, Microsoft Visual Studio, Microsoft Software, Microsoft SQL Server, Windows Servers, Software Maintenance, Transact-SQL, Data Processing, Semi-structured Data, Windows Services, SQL Server Management Studio (SSMS)
- **Published:** November 7, 2026
- **Apply:** https://www.juju.com/job/2_173705750

## About the Role

* Hands-on experience with Microsoft SQL Server, T-SQL, and SQL Server Management Studio (SSMS)
 * Experience reading, modifying, and maintaining C# applications using .NET Framework, preferably 4.8
 * Experience with data imports, ETL processes, file conversions, or batch data processing
 * Experience analyzing and transforming CSV, Excel, or other structured data files
 * Ability to troubleshoot database and application-processing issues
 * Experience working with Visual Studio and established Microsoft development environments
 * Strong attention to detail and ability to work independently within defined technical procedures
 * Experience working in federal space with understanding of processes, procedures and timelines would be important to adapt and manage cadence of the role
 * Proactive, attentive, and patient to ask questions or identify technical requirements that may not yet be fully formulated
 * Ability to work directly with customer and set the cadence for development, timelines, define schedule and communicate progress- GitHub or Azure DevOps documentation maybe beneficial for requirements and tracking status through to completion.
 * Ability to solicit feedback at each stage of the process independently, as well as pivot to achieve vision of CIO office

Desired Experience

 * C# Windows Services and Windows Server
 * SQL Server bulk-loading techniques
 * Legacy application maintenance and support
 * Experience working in restricted Federal Government environments

## Description

AVER is seeking a Data Integration & Application Support Specialist to manage and maintain established data-processing reporting applications for the Department of Homeland Security (DHS). Analyze incoming data files, prepare and import data into SQL Server, and modify existing C# Windows Services built on .NET Framework 4.8 and perform data integration and application maintenance. This role will not require hands on modern .Net web application development, instead you will troubleshoot data issues in MS SQL and maintaining established Microsoft technologies utilizing C#, .NET Framework 4.8, Windows Services, and SQL Server. Maintain and adapt existing code, process incoming datasets, and support reliable database imports for improved reporting functionality in a prominent OCIO at the Department of Homeland Security. Join a collaborative team who values AVER's mission, focus, and culture of delivering exceptional client service with great people and transformative technology solutions
that ensure Government mission success.

Are you ready to apply Make sure you understand all the responsibilities and tasks associated with this role before proceeding.

Responsibilities Include

 * Process data received from external providers, converting various file formats, troubleshooting data issues, and importing information into SQL Server
 * Analyze incoming CSV, Excel, HTML, and other structured or semi-structured data files to identify fields, data types, relationships, and quality issues
 * Convert and standardize source files into approved CSV formats for database imports.
 * Create and modify SQL Server tables using approved database designs
 * Modify and maintain existing C# Windows Services using .NET Framework 4.8 to automate data-loading processes
 * Configure and troubleshoot SQL Server bulk imports, data transformations, and processing errors
 * Validate source data, converted files, and SQL Server results to ensure accuracy and completeness
 * Review code and data-processing procedures and provide technical guidance to other developers
 * Maintain documentation and follow established client development standards and security restrictions