SQL/SSIS and Oracle Developer

We are seeking a highly skilled SSIS / SQL Developer with proven expertise in data migration, particularly in migrating large-scale enterprise data from Oracle to Microsoft SQL Server. The ideal candidate will be responsible for designing, developing, and optimizing ETL pipelines using SQL Server Integration Services (SSIS), writing complex T-SQL queries, and ensuring data integrity throughout the migration lifecycle. KEY RESPONSIBILITIES • Design, develop, and maintain robust SSIS packages for ETL workflows, data transformation, and automated data loads. • Analyze Oracle database schemas, stored procedures, functions, and packages and re-engineer them in T-SQL for SQL Server compatibility. • Develop complex T-SQL queries, stored procedures, views, triggers, and functions to support business logic and reporting requirements. • Perform data profiling, cleansing, validation, and reconciliation to ensure accuracy and completeness during migration. • Collaborate with business analysts, DBAs, and project managers to gather requirements and translate them into technical solutions. • Conduct unit testing, integration testing, and performance tuning of ETL pipelines and SQL scripts. • Document migration strategies, data mapping specifications, ETL workflows, and technical runbooks. • Monitor and troubleshoot ETL job failures, data discrepancies, and performance bottlenecks in production and staging environments. • Optimize SQL queries and SSIS packages for performance using indexing strategies, query plans, and execution profiling. • Ensure compliance with data governance, security policies, and regulatory requirements throughout the migration process. • Provide post-migration support, including issue resolution and performance monitoring. Requirements Core Technical Skills • 5+ years of hands-on experience building and managing SSIS packages, including control flow, data flow, event handlers, and error handling. • Strong proficiency in Microsoft SQL Server (2016/2019/2022), including T-SQL, query optimization, indexing, and database design. • Solid experience working with Oracle (10g/11g/12c/19c), including PL/SQL, Oracle data types, sequences, and schema management. • Proven experience executing Oracle-to-SQL Server migrations, including schema conversion, data mapping, and validation. • Expertise in building scalable ETL pipelines for large datasets with strong data quality and transformation logic. Tools & Technologies • Proficiency with SQL Server Management Studio (SSMS) and Visual Studio (SSDT). • Proficiency with Oracle SQL Developer or TOAD. • Experience with Microsoft SQL Server Migration Assistant (SSMA) for Oracle. • Experience with SSIS Catalog and SQL Server Agent for job scheduling. • Experience with Git, Azure DevOps, or TFS for version control is preferred. • Experience with SSRS or Power BI for reporting integration is advantageous. PREFERRED / NICE-TO-HAVE QUALIFICATIONS • Microsoft Certified: Azure Data Engineer Associate or an equivalent SQL Server certification. • Experience with Azure Data Factory (ADF) or other cloud-based ETL platforms. • Familiarity with data warehousing concepts, including star schema, snowflake schema, and slowly changing dimensions. • Experience working with Azure cloud environments. • Experience with Agile or Scrum methodologies. • Experience with data lineage and metadata management tools. EDUCATIONAL REQUIREMENTS • Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field is preferred. Originally posted on Himalayas