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Job Title - AWS Data engineer

Location - Hybrid @ Parsipanny, NJ

***Please note, this role is not able to offer visa transfer or sponsorship now or in the future*

Data Engineer for a critical cloud-to-cloud migration project, specifically focusing on the parallel run and validation phase. The ideal candidate will be responsible for building, monitoring, and executing data validation and reconciliation processes to ensure the accuracy, completeness, and performance parity of data pipelines and data stores migrated to the new cloud environment. This role requires deep expertise in data engineering, cloud platforms (both source and target), and rigorous quality assurance processes for large-scale data systems.

+ Data Validation and Reconciliation (Primary Focus)

+ Must have AWS to Oracle cloud migration experience.

+ Monitoring, Troubleshooting, and Issue Resolution

+ Pipeline and Platform Optimization

+ Documentation and Reporting

+ Cloud Platforms experience: 4+ years of hands-on experience with AWS and with specific experience in cloud-to-cloud migration projects.

+ High proficiency in Python (Pandas, PySpark) and SQL for data manipulation, scripting, and complex querying.

+ Strong experience with cloud-native processing services.

+ Expertise in cloud data warehouse technologies (e.g., Amazon Redshift) and Data Lake storage (e.g., S3 in AWS).

+ Experience with modern workflow schedulers like Apache Airflow or cloud-native equivalents (e.g., AWS Step Functions).

+ Experience with data quality tools, data diffing techniques, and developing custom data reconciliation utilities.

+ Meticulous approach to data comparison and troubleshooting data integrity issues.

+ Strong analytical and diagnostic skills for identifying and resolving data discrepancies in complex, distributed environments.

+ Excellent verbal and written communication skills for reporting validation results to both technical and non-technical stakeholders.

Salary and Other Compensation:

Applications will be accepted until Nov 14th 2025

The annual salary for this position is between $116K - 135K depending on experience and other qualifications of the successful candidate.

This position is also eligible for Cognizant’s discretionary annual incentive program and stock awards, based on performance and is subject to the terms of Cognizant’s applicable plans.

**Benefits** : Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:

+ Medical/Dental/Vision/Life Insurance

+ Paid holidays plus Paid Time Off

+ 401(k) plan and contributions

+ Long-term/Short-term Disability

+ Paid Parental Leave

+ Employee Stock Purchase Plan

**Disclaimer:** The salary, other compensation, and benefits information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.

Cognizant is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.