> Markdown version of [/jobs/ext/3971943-senior-sql-developer-data-engineer-etl-elt-sql-server-bi](https://www.wearedevelopers.com/jobs/ext/3971943-senior-sql-developer-data-engineer-etl-elt-sql-server-bi). 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). --- # Senior SQL Developer & Data Engineer - ETL/ELT, SQL Server & BI - **Company:** Seneca Resources - **Location:** Mundelein, IL, United States (Remote available) - **Experience:** Expert - **Salary:** $114,400.0 - $135,200.0 - **Contract:** Permanent contract - **Skills:** Application Integration Architecture, Microsoft Azure, Backup Devices, Databases, Information Engineering, Data Integration, Extract Transform Load (ETL), Data Warehousing, Database Design, Database Queries, Github, Microsoft SQL Server, Performance Tuning, Windows PowerShell, Query Optimization, Release Management, Software Deployment, Software Engineering, SQL Stored Procedures, SQL Databases, Systems Integration, Transact-SQL, Enterprise Data Management, Data Ingestion, Sql Server Database Administration, Database Optimization, Database Performance, Information Technology, Software Version Control, Data Pipelines - **Published:** October 27, 2026 - **Apply:** https://www.thejobnetwork.com/job/3184d33a-067d-4ee1-9623-50ffeb0c2f9a/senior-sql-developer-data-engineer-etlelt-sql-server-bi ## About the Role This hands-on technical role combines advanced Microsoft SQL Server development, ETL/ELT data engineering, database architecture, and operational support. The ideal candidate will have strong T-SQL development expertise, experience building and optimizing enterprise data pipelines, and the ability to independently troubleshoot complex database performance and data quality issues., * Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent professional experience. \n * 5-8 years of hands-on Microsoft SQL Server development experience. \n * 6+ years of software development and systems integration experience. \n * Advanced expertise in T-SQL, including complex queries, joins, stored procedures, views, functions, and query optimization. \n * Strong experience designing, developing, maintaining, and troubleshooting ETL/ELT pipelines and enterprise data integrations. \n * Experience with data ingestion, incremental loading, transformations, validation, reconciliation, and data quality processes. \n * Hands-on experience with enterprise data warehousing and dimensional data modeling. \n * Strong SQL Server performance tuning skills, including indexing strategies, execution plans, and query optimization. \n * Experience with database design, schema modifications, and troubleshooting database-driven applications. \n * Ability to independently investigate and resolve complex database, application, and data integration issues. \n * Experience supporting enterprise reporting and business intelligence solutions. \n * Strong technical documentation, testing, and production support experience. \n * Excellent analytical, problem-solving, communication, and organizational skills. \n * Ability to work onsite in New York City 3 days per week. \n, * SQL Server database administration experience, including security, maintenance, backup and recovery. \n * PowerShell scripting and automation experience. \n * Experience with Azure DevOps, GitHub, or similar version control and deployment platforms. \n * Experience supporting large-scale enterprise reporting and business intelligence environments. \n * Knowledge of database availability, reliability, and operational support practices. \n * Experience supporting production deployments, release management, and application integrations. \n * Previous experience in utilities, energy, infrastructure, or other operationally critical enterprise environments. \n