Pat Brennan

Pat Brennan Email and Phone Number

Senior Staff Data Engineer - Facebook @ Facebook
Pat Brennan's Location
Seattle, Washington, United States, United States
Pat Brennan's Contact Details

Pat Brennan personal email

n/a
About Pat Brennan

Interested in data analysis and telemetry systems.

Pat Brennan's Current Company Details
Facebook

Facebook

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Senior Staff Data Engineer - Facebook
Pat Brennan Work Experience Details
  • Facebook
    Senior Staff Data Engineer
    Facebook Jul 2020 - Present
    Real-time communications products
  • Amazon
    Software Engineer
    Amazon May 2019 - May 2020
    Seattle, Wa, Us
    AWS Elastic Block Store - Stats TeamTechnical lead for ingestion and and core ETL components of next generation of the EBS ETL and analytics platform (ML, anomaly detection, and reporting) that processes multiple PB/hour in near real time. Projects:* Enable automated, generic ingestion for teams spanning across EBS and AWS* Real-time processing of ingested data to provide signals in the magnitude of seconds* Machine learning platform for real-time predictions, focusing on I/O predictions and anomaly detection
  • Amazon
    Software Engineer
    Amazon May 2017 - May 2019
    Seattle, Wa, Us
    AWS Elastic Block Store (EBS) Placement TeamReal-time data analysis to optimize placement of a fleet of storage nodes across thousands of servers optimally to improve performance and capacity utilization.
  • Microsoft
    Data Engineer
    Microsoft Jun 2013 - May 2017
    Redmond, Washington, Us
    Outlook.com* Implement monitoring systems to ensure system health by reducing mean time to detect and resolve degradation with zero hands-on intervention * Develop systems with big data for tracking system performance and user experience/engagement.* Onboarded the organization to automated pipeline tools and systems for tracking data quality and metrics* Design and perform A/B testing to test changes in user behavior due to different configurations in the UI and performance. * Architected an A/B testing platform to automate the above process and future tests* Improved UA parsings to nearly 100% of clients accessing Outlook to provide better telemetry and insights.* Created OLAP cubes to provide better and quicker telemetry for how our users use the service. * Process petabytes of real-time user activity data for hundreds of millions of users using Kafka and Spark to predict user activity trends for monitoring and alerting

Pat Brennan Skills

C# Cosmos Big Data Asp.net Powershell Sql Mapreduce Python Microcontrollers C Network Architecture Html Jquery Javascript Perl Java Hadoop Spark Apache Kafka Apache Spark

Pat Brennan Education Details

  • University Of Nebraska-Lincoln
    University Of Nebraska-Lincoln
    Computer Engineering

Frequently Asked Questions about Pat Brennan

What company does Pat Brennan work for?

Pat Brennan works for Facebook

What is Pat Brennan's role at the current company?

Pat Brennan's current role is Senior Staff Data Engineer - Facebook.

What is Pat Brennan's email address?

Pat Brennan's email address is pa****@****ook.com

What schools did Pat Brennan attend?

Pat Brennan attended University Of Nebraska-Lincoln.

What skills is Pat Brennan known for?

Pat Brennan has skills like C#, Cosmos, Big Data, Asp.net, Powershell, Sql, Mapreduce, Python, Microcontrollers, C, Network Architecture, Html.

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