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Sr Data Platform Engineer
full-timeWestlake Village$90k - $150k

Summary

Location

Westlake Village

Salary

$90k - $150k

Type

full-time

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About this role

PENNYMAC

Pennymac (NYSE: PFSI) is a specialty financial services firm with a comprehensive mortgage platform and integrated business focused on the production and servicing of U.S. mortgage loans and the management of investments related to the U.S. mortgage market. 

 

At Pennymac, our people are the foundation of our success and at the heart of our dynamic work culture. Together, we work towards a unified goal of helping millions of Americans achieve aspirations of homeownership through the complete mortgage journey.


A Typical Day

The Sr Data Platform Engineer - Snowflake Specialist leads the design, optimization, and management of our enterprise data warehouse infrastructure, with a primary focus on advanced Snowflake implementations. This role supports critical business functions through sophisticated data platform development, including data operations and ensuring scalable and performant data solutions across the organization.

The Sr Data Platform Engineer - Snowflake Specialist will:

  • Advanced Snowflake Expertise - Architect, optimize, and manage complex Snowflake environments including warehouses, data sharing, streams, tasks, and performance tuning
  • Expert Snowflake Development - Design and implement advanced features including stored procedures, UDFs, dynamic SQL, zero-copy cloning, and time travel capabilities
  • Data Warehouse Architecture - Lead enterprise data modeling, dimensional modeling, and modern data warehouse design patterns in Snowflake
  • Strong proficiency with Python 3, Object-Oriented Programming & Design Patterns for data pipeline development
  • Experience with Python data frameworks (e.g., Pandas, SQLAlchemy, Apache Airflow) and APIs (FastAPI, Flask)
  • Solid experience with Amazon Web Services (AWS) and serverless technologies for data integration
  • Strong experience with advanced SQL, query optimization, and database performance tuning
  • Experience with REST APIs and data integration patterns
  • Experience with Git and collaborative development workflows
  • Experience with comprehensive testing strategies including unit and integration testing
  • Experience with event-driven architectures and microservices in data contexts
  • Experience with Infrastructure as Code (CloudFormation, CDK, Terraform)
  • Knowledge of DataOps practices (CI/CD for data pipelines, automated testing)
  • Knowledge of Agile, Scrum, Jira methodologies

What You’ll Bring

  • Degree in Computer Science, Data Engineering, Engineering, or similar technical major
  • 5+ years of software development experience with 3+ years of advanced Snowflake experience
  • Expert-level Snowflake skills including performance optimization, cost management, and enterprise-scale implementations
  • Deep understanding of data warehousing concepts, ETL/ELT patterns, and modern data architecture principles
  • Extensive experience with databases at enterprise scale, including both SQL and NoSQL technologies
  • Demonstrated ability to master advanced data platform technologies suchs as real-time streaming, data orchestration, data governance, security, monitoring, or performance optimization
  • Proven track record of architecting and implementing business-critical data solutions that improve stability, security, performance, and scalability
  • Demonstrated ability to effectively communicate complex data architecture concepts to engineers, product owners, project managers, and business stakeholders
  • Demonstrated experience in multi-team collaboration and agile development practices, particularly in data-focused environments
  • Ability to collaborate across teams and design data systems that address architectural gaps and scalability challenges
  • Preferred: Financial Services and mortgage industry experience, particularly with regulatory reporting and risk management data requirements

Why You Should Join

As one of the top mortgage lenders in the country, Pennymac has helped over 4 million lifetime homeowners achieve and sustain their aspirations of home. Our vision is to be the most trusted partner for home. Together, 4,000 Pennymac team members across the country are guided by our core values: to be Accountable, Reliable and Ethical in all that we do. Pennymac is committed to conducting a business that makes positive contributions and promotes long-term sustainable growth and to fostering an equitable and inclusive environment, where all employees and customers feel valued, respected and supported. 

 

Benefits That Bring It Home: Whether you're looking for flexible benefits for today, setting up short-term goals for tomorrow, or planning for long-term success and retirement, Pennymac's benefits have you covered. Some key benefits include: 

  • Comprehensive Medical, Dental, and Vision
  • Paid Time Off Programs including vacation, holidays, illness, and parental leave 
  • Wellness Programs, Employee Recognition Programs, and onsite gyms and cafe style dining (select locations)
  • Retirement benefits, life insurance, 401k match, and tuition reimbursement 
  • Philanthropy Programs including matching gifts, volunteer grants, charitable grants and corporate sponsorships

 

To learn more about our benefits visit: https://pennymacnews.page.link/benefits

 

For residents with state required benefit information, additional information can be found at: https://www.pennymac.com/additional-benefits-information

 

Compensation: Individual salary may vary based on multiple factors including specific role, geographic location / market data, and skills and experience as defined below:

  • Lower in range - Building skills and experience in the role
  • Mid-range - Experience and skills align with proficiency in the role 
  • Higher in range - Experience and skills add value above typical requirements of the role 

 

Some roles may be eligible for performance-based compensation and/or stock-based incentives awarded to employees based on company and individual performance. 

 


Salary

$90,000 - $150,000
Work Model

OFFICE

Other facts

Tech stack
Snowflake,Python,Data Warehousing,ETL,SQL,AWS,APIs,Git,DataOps,Agile,Scrum,Infrastructure as Code,Event-Driven Architectures,Microservices,Data Governance,Performance Optimization

About Pennymac

PennyMac Loan Services, LLC (NMLS #35953) is a top national mortgage lender with over 4 million lifetime customers. Whether you are new to the home loan process or an experienced buyer, Pennymac is dedicated to offering competitive rates and superior service.

Being an online mortgage lender means Pennymac can focus on the needs of its customers rather than maintaining a network of branches and banking products.

Our mission is to build a foundation of homeownership by enabling our customers to achieve and sustain their aspirations of home.

Pennymac Publication Rules
We A.R.E. Pennymac: Accountable, Reliable, Ethical. Pennymac does not pay or otherwise provide compensation for reviews/comments. All reviews/comments are subject to the disclaimer provided prior to posting and become the property of Pennymac once submitted. We reserve the right to validate, remove or republish your reviews/comments at any time.

Equal Housing Opportunity, PennyMac Loan Services, LLC, 3043 Townsgate Road, Suite 200, Westlake Village, CA 91361, 818-224-7442. NMLS ID # 35953 (www.nmlsconsumeraccess.org). For a complete listing of state licenses and important notices, please visit www.pennymac.com/state-licenses. Not all property types qualify. Some loan products may not be available in all states. Information, property type eligibility, rates and pricing are subject to change without prior notice at the sole discretion of PennyMac Loan Services, LLC. Ask your loan officer for details. © 2025 Private National Mortgage Acceptance Company, LLC, Pennymac and all related marks are trademarks of Private National Mortgage Acceptance Company, LLC and/or its subsidiaries or affiliates. Third-party content is the property of its respective owners. All rights reserved. (01-2025)

Team size: 1,001-5,000 employees
LinkedIn: Visit
Industry: Financial Services
Founding Year: 2008

What you'll do

  • The Sr Data Platform Engineer - Snowflake Specialist leads the design, optimization, and management of the enterprise data warehouse infrastructure, focusing on advanced Snowflake implementations. This role supports critical business functions through sophisticated data platform development and ensures scalable and performant data solutions across the organization.

Ready to join Pennymac?

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Frequently Asked Questions

What does Pennymac pay for a Sr Data Platform Engineer?

Pennymac offers a competitive compensation package for the Sr Data Platform Engineer role. The salary range is USD 90k - 150k per year. Apply through Clera to learn more about the full compensation details.

What does a Sr Data Platform Engineer do at Pennymac?

As a Sr Data Platform Engineer at Pennymac, you will: the Sr Data Platform Engineer - Snowflake Specialist leads the design, optimization, and management of the enterprise data warehouse infrastructure, focusing on advanced Snowflake implementations. This role supports critical business functions through sophisticated data platform development and ensures scalable and performant data solutions across the organization..

Why join Pennymac as a Sr Data Platform Engineer?

Pennymac is a leading Financial Services company. The Sr Data Platform Engineer role offers competitive compensation.

Is the Sr Data Platform Engineer position at Pennymac remote?

The Sr Data Platform Engineer position at Pennymac is based in Westlake Village, California, United States. Contact the company through Clera for specific work arrangement details.

How do I apply for the Sr Data Platform Engineer position at Pennymac?

You can apply for the Sr Data Platform Engineer position at Pennymac directly through Clera. Click the "Apply Now" button above to start your application. Clera's AI-powered platform will help match your profile with this opportunity and guide you through the application process. You can also learn more about Pennymac on their website.