SQL/SSIS 和 Oracle 开发工程师
SQL/SSIS and Oracle Developer
我们正在寻找一位经验丰富的SSIS/SQL开发人员,具备在将大型企业数据从Oracle迁移到Microsoft SQL Server方面的实际经验。理想的候选人将负责使用SQL Server Integration Services(SSIS)设计、开发和优化ETL流程,编写复杂的T-SQL查询,并在整个迁移生命周期中确保数据完整性。
关键职责
- 设计、开发和维护用于ETL工作流、数据转换和自动化数据加载的稳健SSIS包。
- 分析Oracle数据库模式、存储过程、函数和包,并将其重新工程为适用于SQL Server兼容性的T-SQL。
- 开发复杂的T-SQL查询、存储过程、视图、触发器和函数,以支持业务逻辑和报告需求。
- 执行数据剖析、清洗、验证和对账,以确保迁移过程中的准确性和完整性。
- 与业务分析师、DBA和项目经理合作,收集需求并将其转化为技术解决方案。
- 对ETL流程和SQL脚本进行单元测试、集成测试和性能调优。
- 编写迁移策略、数据映射规范、ETL流程和技术操作手册。
- 监控和排查生产环境和测试环境中的ETL作业失败、数据差异和性能瓶颈。
- 使用索引策略、查询计划和执行分析优化SQL查询和SSIS包性能。
- 在整个迁移过程中确保符合数据治理、安全策略和法规要求。
- 提供迁移后的支持,包括问题解决和性能监控。
要求
核心技能
- 5年以上实际构建和管理SSIS包的经验,包括控制流、数据流、事件处理程序和错误处理。
- 熟练掌握Microsoft SQL Server(2016/2019/2022),包括T-SQL、查询优化、索引和数据库设计。
- 具备Oracle(10g/11g/12c/19c)的实际经验,包括PL/SQL、Oracle数据类型、序列和模式管理。
- 有执行Oracle到SQL Server迁移的实际经验,包括模式转换、数据映射和验证。
- 在构建可扩展的ETL流程方面有专长,能够处理大规模数据集并具备强大的数据质量和转换逻辑。
工具与技术
- 熟练使用SQL
查看英文原文
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