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Added 3 mins ago
Network Security Engineer
Altera Corporation
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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 10 mins ago
GA
Sr Staff Applications Operations Engineer – Engineering Tools Automation & AI Ops
GE Aerospace
Dover, DE
- $131,000 to $174,000 USD / year
Responsible for supporting and maintaining critical applications and related data processing platforms and services. Ensure the team has the facilities, tools, resources and skills they…
Added 10 mins ago
MB
Senior Data Engineer
M&T Bank
Wilmington, DE
- $97,100 to $161,800 USD / year
Implement data quality, reconciliation, metadata, lineage, logging, monitoring and alerting controls.
Added 10 mins ago
C
AI Data Engineer
Cognizant
Dover, DE
- $100,000 to $115,000 USD / year
Experience implementing automated testing frameworks, CI/CD pipelines, deployment automation, and code-quality controls.
Added 10 mins ago
C
AI Data Engineer
Cognizant
Dover, DE
- $100,000 to $115,000 USD / year
Experience implementing automated testing frameworks, CI/CD pipelines, deployment automation, and code-quality controls.
Added 10 mins ago
AI Operations Administrator - Gravitee - Remote US
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Lead Data Engineer
M&T Bank
Wilmington, DE
- $116,400 to $194,000 USD / year
Engineer solutions using Snowflake, Databricks, dbt and comparable modern data platforms; select appropriate warehouse, lakehouse or hybrid patterns based on workload needs.
Added 14 mins ago
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Site Reliability Engineer
HEALTHEQUITY, INC.
DRAPER, UT
- $129,500 USD / year
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Added 14 mins ago
Senior Quality Engineer
Medtronic
Salt Lake City, UT
As a Senior Quality Engineer, you will provide quality engineering support for manufacturing operations with a primary focus on process validation and quality system execution. This role…
Added 14 mins ago
C
AI Data Engineer
Cognizant
Salt Lake City, UT
- $100,000 to $115,000 USD / year
Experience implementing automated testing frameworks, CI/CD pipelines, deployment automation, and code-quality controls.
Added 15 mins ago
AI Operations Administrator - Gravitee - Remote US
SitusAMC
Salt Lake City, UT
As a regulated service provider to major financial institutions, SitusAMC is subject to client, regulatory, and contractual obligations governing AI use. This role implements and operates…
Added 15 mins ago
GA
Sr Staff Applications Operations Engineer – Engineering Tools Automation & AI Ops
GE Aerospace
Salt Lake City, UT
- $131,000 to $174,000 USD / year
Responsible for supporting and maintaining critical applications and related data processing platforms and services. Ensure the team has the facilities, tools, resources and skills they…
Added 15 mins ago
C
AI Data Engineer
Cognizant
Salt Lake City, UT
- $100,000 to $115,000 USD / year
Experience implementing automated testing frameworks, CI/CD pipelines, deployment automation, and code-quality controls.
Added 21 mins ago
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(USA) Staff, Systems And Infrastructure Engineer, Information Security
Walmart
BENTONVILLE, AR · HERNDON, VA
- $110,000 to $264,000 USD / year
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Added 21 mins ago
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(USA) Staff, Systems And Infrastructure Engineer, Information Security
Walmart
BENTONVILLE, AR · HERNDON, VA
- $110,000 to $264,000 USD / year
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Added 28 mins ago
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Test Equipment Design Engineer
Aerotek
Berkeley, CA
- $69.44 to $104.17 USD / hour
Job Title: Test Equipment Design EngineerJob DescriptionWe are seeking a hands-on Test Equipment Design Engineer to design and develop custom electrical test infrastructure supporting…
Added 31 mins ago
C
Sr. Python and Snowflake Developer (Onsite)
Cognizant
Buffalo, NY
- $100,000 to $135,000 USD / year
The role requires hands-on experience with ETL/ELT development, Snowflake data warehousing, Python automation, data quality, performance optimization, CI/CD, and production troubleshooting.
Added 33 mins ago
EG
Field Engineer, Building Management Systems (BMS)
EMCOR Group
New York, NY
- $80,000 to $120,000 USD / year
In this role, the Field Engineer will program, develop graphics, deploy, diagnose, troubleshoot, and commission BAS / BMS Systems in a construction environment. The individual must be able…
Added 33 mins ago
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Field Supervisor, Building Management Systems (BMS)
EMCOR Group
New York, NY
- $80,000 to $130,000 USD / year
In this role, the Field Supervisor will coordinate and manage multiple building automation installation projects while supervising subcontractors and collaborating with general contractors.…
Added 1 hour ago
Senior AI Agent & Automation Solutions Engineer
Concentrix
Bellevue, WA
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Added 1 hour ago
Application Security Engineer, Proactive Security
Amazon
Seattle, WA
The Application Security (AppSec) Security Engineer is responsible for conducting security assessments and reviews of applications and services to identify vulnerabilities and ensure…
Added 1 hour ago
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Software Engineer - Data & Engineering Applications
Paccar Winch Inc.
Mount Vernon, WA
- $104,100 to $162,900 USD / year
This engineer will work closely with software engineers, controls engineers, calibration engineers, and stakeholders across multiple engineering groups to deliver robust and maintainable…
Added 1 hour ago
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Power Delivery - Project Manager
Kiewit
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- $179,000 to $188,000 USD / year
Kiewit Power Delivery is a full-service engineering and construction solutions provider operating across North America. Our experience and expertise span all aspects of the transmission and…
Added 2 hours ago
Senior Insider Threat Engineer
Humana
Atlanta, GA
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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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