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Added 5 mins ago
Network Security Engineer
Altera Corporation
San Jose, CA
As a Senior Network Security Engineer at Altera, you will serve as a senior technical authority responsible for defining and advancing the enterprise network security strategy,…
Added 12 mins ago
MB
Senior Data Engineer
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- $97,100 to $161,800 USD / year
Participate in technical design and code reviews, identify implementation risks and escalate architectural concerns appropriately.
Added 13 mins ago
AI Operations Administrator - Gravitee - Remote US
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…control baseline. The position works under the direction of senior engineering and architecture staff and provides a foundation for growth into the AI Operations Engineer…
Added 16 mins ago
R-
Software Engineer,Senior
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HILL AIR FORCE BASE, UT
- $110,000 to $150,000 USD / year
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Added 17 mins ago
Senior Azure Platform Engineer
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The Senior Azure Platform Engineer is a hands-on technical role responsible for helping engineering and operations teams design, implement, and support secure solutions within Azure…
Added 17 mins ago
Sentinel - Sr Principal Systems Engineer
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Northrop Grumman Defense Systems is seeking a Sr. Principal Systems Engineer . This opening is in Roy, UT and will support the Sentinel Program . Northrop Grumman supports the Air Force’s…
Added 17 mins ago
AI Operations Administrator - Gravitee - Remote US
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…control baseline. The position works under the direction of senior engineering and architecture staff and provides a foundation for growth into the AI Operations Engineer…
Added 28 mins ago
Senior AI Engineer
Raydar
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- Take AI features through the full cycle, from initial concept and system design to implementation and release.
Added 34 mins ago
C
Sr. Python and Snowflake Developer (Onsite)
Cognizant
Buffalo, NY
- $100,000 to $135,000 USD / year
Job Title: Senior Data Engineer – Snowflake & Python
Added 34 mins ago
Network Engineer - Senior
Rochester Regional Health
Rochester, NY
Provides guidance, general oversight, and training to less experienced Network Engineers. Acts as a senior technical leader and coordinator to all corporate network users. Architects,…
Added 35 mins ago
Senior Associate, Data Scientist - Alternative Data Strategy
Capital One
New York, NY
…Scientist, you will evaluate emerging vendors and data products, engineer high-impact features, build scalable processing and monitoring systems, and serve as the dedicated data domain…
Added 35 mins ago
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Senior Software Engineer
SardineAI Corp.
NEW YORK, NY
- $170,000 USD / year
Added 35 mins ago
Director Project Controls (B&T)
MTA
New York, NY
…final approval from departmental management and supports the implementation of such changes. Provides input into overall strategy and approach in consultation with departmental management…
Added 35 mins ago
Senior Data Engineer I QuantumBlack, AI by McKinsey
MCKINSEY AND COMPANY INC
NEW YORK, NY
…IMPACTYou will be a technical owner, designing and leading the implementation of scalable data architectures for cutting-edge AI and agentic systems.You will lead the development of robust…
Added 35 mins ago
Senior Lead Data Engineer
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NEW YORK, NY
…solutions. Participate in project planning, design reviews, and implementation activities to ensure compliance with enterprise architecture and security standards. Must have a Masters…
Added 35 mins ago
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Senior I Engineer - Network Services Implementation & Remote Support
NYU Langone Medical Center
New York, NY
- $84,577.92 to $121,662.48 USD / year
We have an exciting opportunity to join our team as a Senior I Engineer - Technology Engineering.
Added 35 mins ago
Senior Product Manager Consumer Experience
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NEW YORK, NY
Added 1 hour ago
Senior AI Agent & Automation Solutions Engineer
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Added 1 hour ago
Software Development Engineer, Security Foundations, Stores Security
Amazon
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As a Software Development Engineer on this team, you will create software designs and implementation for medium-to-large scale projects across security and compliance engineering . You will…
Added 1 hour ago
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Senior Software Engineer, Capacity & Efficiency Engineering (CEE) - Planning
Uber
Seattle, WA
- $202,000 to $224,000 USD / year
Engineering at Uber means building for real-world impact under real-world constraints. As a Senior Software Engineer on CEE, you will architect the systems that decide how much…
Added 1 hour ago
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Power Delivery - Project Manager
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Lenexa, KS
- $179,000 to $188,000 USD / year
Establish project-specific quality objectives and ensure implementation throughout the project lifecycle.
Added 1 hour ago
Senior Snowflake Engineer
Datavail Corporation
Remote, United States
Strong dimensional modeling implementation, including facts, dimensions, surrogate keys and SCD Type 2.
Added 1 hour ago
Systems Engineer Enterprise Search
AutoZone, Inc.
Memphis, TN
As a Software Engineer, Enterprise Search at AutoZone, you will contribute to building and enhancing the search platform that powers our store and digital experiences. You will develop and…
Added 2 hours ago
Senior Software Engineer
The Coca-Cola Company
Atlanta, GA
The Senior Engineer is accountable for the technical execution, architectural integrity, and delivery outcomes of a product team operating under the product model. This role partners as an…
Added 2 hours ago
Senior Manager, AI & Analytics Engineering
The Coca-Cola Company
Atlanta, GA
The Senior Manager, AI & Analytics Engineering will be a hands-on technical leader who turns high-value business and analytical problems into production agents and analytical solutions. The…

Cognizant

Sr. Python and Snowflake Developer (Onsite)

Buffalo, NY, United States

$100,000 to $135,000 USD / year

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Job details

Pay: $100,000 to $135,000 USD / year
Experience: 7+ years of experience in data engineering, ETL/ELT, data warehousing, or related development.
Posting language: English
Posted: Nov 6, 2026

Original job description

Cognizant (NASDAQ: CTSH) is a leading provider of information technology, consulting, and business process outsourcing services, dedicated to helping the world's leading companies build stronger businesses. Headquartered in Teaneck, New Jersey (U.S.). Cognizant is a member of the NASDAQ-100, the S&P 500, the Forbes Global 1000, and the Fortune 500 and we are among the top performing and fastest growing companies in the world.

Job Title: Senior Data Engineer – Snowflake & Python

Job Summary:

We are seeking an experienced Snowflake Lead Developer with strong expertise in Snowflake, Python, SQL, and modern data engineering practices. The ideal candidate will design, build, optimize, and support scalable data pipelines and cloud-based data solutions, working with large volumes of structured and semi-structured data.

The role requires hands-on experience with ETL/ELT development, Snowflake data warehousing, Python automation, data quality, performance optimization, CI/CD, and production troubleshooting.

Key Responsibilities

Design, develop, and maintain scalable ETL/ELT data pipelines using Python, SQL, and Snowflake.

Build ingestion and transformation processes for data from sources such as Oracle, SQL Server, APIs, flat files, and cloud object storage.

Develop and optimize Snowflake objects including databases, schemas, tables, views, stages, streams, tasks, and stored procedures.

Write complex and performance-optimized SQL queries for data transformation and analytics workloads.

Work with structured and semi-structured formats including CSV, JSON, Parquet, and XML.

Perform Snowflake performance tuning through query analysis, warehouse sizing, clustering strategy, and optimization of data-processing patterns.

Implement data-quality controls including source-to-target validation, reconciliation, duplicate checks, null checks, schema validation, and exception handling.

Design effective logging, error handling, retry, monitoring, and alerting mechanisms for production pipelines.

Troubleshoot data discrepancies, failed pipelines, performance bottlenecks, and production incidents.

Apply Snowflake security concepts including RBAC, roles, privileges, secure views, and data-access controls.

Participate in code reviews and ensure solutions meet engineering, security, scalability, and maintainability standards.

Build and maintain CI/CD pipelines using Git-based development and deployment practices.

Create and maintain technical documentation, data mappings, operational procedures, and implementation specifications.

Mentor junior engineers and provide technical guidance on Python, SQL, Snowflake, and data-engineering best practices.

Required Qualifications

7+ years of experience in data engineering, ETL/ELT, data warehousing, or related development.

Strong hands-on development experience with Snowflake.

Advanced proficiency in Python for data processing, automation, APIs, and pipeline development.

Advanced SQL skills, including joins, CTEs, window functions, stored procedures, query optimization, and large-volume data processing.

Strong troubleshooting and root-cause-analysis skills.

Experience implementing data-quality, reconciliation, monitoring, and exception-handling frameworks.

Primary Skills : Snowflake, Python, SQL, ETL/ELT, Data Warehousing

Secondary: Git, CI/CD, REST APIs

Snowflake: Streams, Tasks, Stages, Snowpipe, RBAC, Query Optimization, Warehouses

Python: Pandas, APIs, file processing, exception handling, logging, automation

Data: Oracle, SQL Server, CSV, JSON, Parquet, XML

Engineering: Data Quality, Reconciliation, Monitoring, Performance Tuning, Production Support

Candidate Profile

The successful candidate should be a hands-on senior engineer capable of owning a data pipeline from source ingestion through Snowflake transformation and production support. They should be comfortable solving complex Python/SQL problems, optimizing Snowflake workloads, investigating data-quality issues, and designing maintainable solutions rather than simply developing one-off ETL

jobs. Application Accepted: 12/6/2026

The annual salary for this position is between $100,000 - $135,000 depending on experience and other qualifications of the successful candidate.

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 language

Our strength is built on our ability to work together. Our diverse backgrounds offer different perspectives and new ways of thinking. It encourages lively discussions, creativity, productivity, and helps us build better solutions for our clients. We want someone who thrives in this setting and is inspired to craft meaningful solutions through true collaboration.

If you are content with ambiguity, excited by change, and excel through autonomy, we’d love to hear from you!

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.

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