Tim O'Brien

Tim O'Brien Email and Phone Number

Group Director, Cloud FinOps and Strategy @ Walmart Global Tech
Tim O'Brien's Location
Greater Seattle Area, United States, United States
Tim O'Brien's Contact Details
About Tim O'Brien

Software Architect, with experience in all aspects of software development from project inception to developing scaleable production architectures for large-scale systems during critical, high-risk events such as Black Friday. Has helped many organizations ranging from small startups to Fortune 1 companies take a more strategic approach to adopting and evaluating technology and managing the risks associated with change.

Tim O'Brien's Current Company Details
Walmart Global Tech

Walmart Global Tech

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Group Director, Cloud FinOps and Strategy
Tim O'Brien Work Experience Details
  • Walmart Global Tech
    Group Director
    Walmart Global Tech Nov 2024 - Present
    Bentonville, Arkansas, Us
    Coordination and execution of overall approach to Cloud FinOps along with peer organizations across all pillars including Global Tech Finance, Strategy, and Technology Platforms in addition to Walmart's customer-facing pillars such as Omnichannel, International, and Sam's Club.Monitoring and supporting relationships with cloud service providers and SaaS vendors in areas related to Generative AI, shared investments, overall rate optimization, with a focusing on the intersection cloud strategy, financial, and legal topics.Developing shared strategies with partner organizations through the FinOps Foundation to define common approaches to cost reporting (FOCUS) and helping to establish shared best practices across the industry.
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  • Walmart Global Tech
    Senior Director Of Engineering, U.S. Omni Cost Operations
    Walmart Global Tech Mar 2023 - Nov 2024
    Bentonville, Arkansas, Us
    Coordinating department-wide strategy for cloud cost savings across key pillar focus areas including Customer Experience, End-to-end Fulfillment, Stores & Associates, Transportation, Catalog, and Global Marketplace.Collaborating with Global Technology Platform, Internal Strategy, and Technology Finance to establish baseline standards and metrics for efficiency and cloud forecasting, and driving technical research across several departments with a focus on increasing efficiency of Data Platforms supporting both analytical and transactional data workloads.
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  • Walmart Global Tech
    Senior Director Of Engineering - U.S. Omni Devops, Sre, And Release Management
    Walmart Global Tech Mar 2022 - Mar 2023
    Bentonville, Arkansas, Us
    Managed several teams providing SRE, DevOps, and Release Management support across areas of Walmart's US Omni including Fulfillment, Replenishment, Enterprise Item & Inventory, Stores & Associates, in addition to Operational Support teams with a focus on Omnichannel Supply Chain Systems (OSCS)Managed the relationship between Global Technology Platform (GTP) and US Omnichannel for critical upgrade and resiliency programs including a target migration of workloads from off-premise (public) to on-premise (private) as well as a focused effort to upgrade systems to the latest releases of Kafka and Cassandra.Led teams across both US and India offices to establish standards and best practices for reliability and provide 24/7 support and response during critical incidents and events supporting eCommerce in addition to Walmart's extensive network of Fulfillment Centers, Distribution Centers, and stores.
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  • Walmart Global Tech
    Senior Director Of Engineering - Global Cloud Capacity & Cost Management
    Walmart Global Tech Jan 2021 - Mar 2022
    Bentonville, Arkansas, Us
    Refined multi-cloud strategy across private data centers and public cloud providers. Grew Capacity, Cost, and Demand Governance groups in Walmart Global Tech's Global Platform area allowing all markets to depend on capacity while achieving greater efficiency. Introduced multi-cloud cost reporting and refined Walmart's approach to tagging to align with organizational models. Managed the creation and operation of a data lake leveraging AirFlow, GCS, and BigQuery, Looker, React, and Python to ingest cost, capacity, and operational data from over 40 data sources driving daily decisions on cost, capacity, and efficiency. Supported contract negotiations and long-term planning as Walmart migrated workloads between private and public cloud providers.Introduced a FinOps-driven approach to realize Sam's #9 - "Control your expenses better than your competition."
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  • Walmart Global Tech
    Director Of Software Engineering - Global Cloud Capacity & Cost Management
    Walmart Global Tech Feb 2018 - Dec 2020
    Bentonville, Arkansas, Us
    As part of Strati, I was responsible for overall cost management across public and private cloud infrastructure and capacity planning efforts across private cloud and multiple public cloud providers. Established cloud capacity and cost management efforts during Walmart's Constellation effort to migrate workloads from Openstack on private cloud to Azure and GCP.
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  • Walmart Global Tech
    Director Of Software Engineering - Global Products Devops & Sre
    Walmart Global Tech Dec 2015 - Feb 2018
    Bentonville, Arkansas, Us
    2018: Transitioned to Strati Cloud Engineering: responsible for overall cost management across public and private cloud infrastructure and capacity planning efforts across private cloud and multiple public cloud providers. Established cloud capacity and cost management efforts during Walmart's Constellation effort to migrate workloads from Openstack on private cloud to Azure and GCP.2016: Led a multi-team effort to migrate Walmart's .com property to HTTPS-only while working closely with Infosec to support the initial implementation of bot mitigation. Supported production deployment strategy and phased rollout for Walmart's Electrode (React) migration. Led holiday readiness effort for walmart.com Black Friday and Cyber Monday readiness and production support through 2016.2015: Developed a scalable production deployment architecture for Walmart.com (USGM) and played a central role in delivering Pangaea's front-end (Atlas) architecture through multiple phased releases to mitigate the risk of launching a new platform over several years.
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  • Walmart Ecommerce
    Senior Technical Consultant - Walmart Global Products
    Walmart Ecommerce Feb 2013 - Dec 2015
    Bentonville, Arkansas, Us
    2014: Started to drive DevOps and deployment architecture for Pangaea's front-end architecture Atlas across 2014 and 2015 ultimately becoming responsible for rearchitecting Walmart's approach to deployment and builds to migrate to a Spring-based, Java front-end supporting an end-to-end service-based architecture. This effort involved working with teams across Global Products and Supply Chain to stand up and introduce telemetry systems such as Splunk and define new strategies for managing and routing traffic between data centers in support of Holiday..2013: Upgraded Walmart.com from Tomcat 5 to Tomcat 7 to improve performance and stability for Holiday 2013. Adapted and grappled with a massive legacy build spanning several technologies including everything from Perl, Maven, Make, Gradle, M4 templates, Ant, and CVS to deploy the last platform upgrade for Walmart's legacy e-commerce platform.Conducted performance audit and optimization process for Walmart.com systems in preparation for Holiday 2013.
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  • Discursive
    Consultant
    Discursive Mar 2004 - Apr 2014
  • O'Reilly & Associates
    Online Editor & Reporter
    O'Reilly & Associates 2008 - 2012
    Covered Science, Technology, Open Source, and Government for O'Reilly Media. Started an "experimental" team of technologists assembled in 2008 to bring a technical perspective to news coverage on topics relevant to the O'Reilly audience.Featured Interviews for O'Reilly Media: * Representative John Culberson (R-TX) on Science Policy, * Dr. Brian Cox on CERN, * Lawrence Lessig on Internet Privacy, * Craig Newmark on Internet Freedom.Contributed to O'Reilly Radar and wrote a survey of e-Commerce and payment technology that focused on digital wallets and currency for PayPal in 2010.
  • O'Reilly
    Author
    O'Reilly 2004 - 2007
    Sebastopol, Ca, Us
    I wrote a series of books for O'Reilly over the period of 2004 to 2007. Including "Maven: A Developer's Notebook", "Jakarta Commons Cookbook". I also co-authored "Harnessing Hibernate".
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  • First Look
    Software Engineer
    First Look 2003 - 2004
  • Transolutions, Inc.
    Software Architect
    Transolutions, Inc. 2002 - 2003
  • Spirian
    Software Engineer
    Spirian 2001 - 2002
  • Grassroots Technologies
    Principal Technologist
    Grassroots Technologies 2000 - 2001
  • Thestreet
    Director Of Financial Applications
    Thestreet 1999 - 2000
    New York, Ny, Us
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Tim O'Brien Skills

Java Maven Open Source Agile Methodologies Software Development Apache Tomcat Unix Spring Databases Hibernate Ruby On Rails Mysql Subversion Xml Software Engineering System Architecture Spring Framework Ruby Scrum Javascript Web Applications Agile Project Management Architecture Git Test Driven Development Rest Mobile Applications Junit Integration Mongodb Distributed Systems Programming Social Media Writing Cms Perl Book Writing Heroku Marketo Amazon Web Services Python Flex Continuous Integration Technical Writing Software Documentation Stochastic Calculus Instructional Manuals Hudson Postgresql

Tim O'Brien Education Details

  • University Of Virginia
    University Of Virginia
    Electrical Engineering
  • Mills E. Godwin High School
    Mills E. Godwin High School
    High School Diploma
  • Godwin
    Godwin

Frequently Asked Questions about Tim O'Brien

What company does Tim O'Brien work for?

Tim O'Brien works for Walmart Global Tech

What is Tim O'Brien's role at the current company?

Tim O'Brien's current role is Group Director, Cloud FinOps and Strategy.

What is Tim O'Brien's email address?

Tim O'Brien's email address is to****@****ive.com

What is Tim O'Brien's direct phone number?

Tim O'Brien's direct phone number is +131221*****

What schools did Tim O'Brien attend?

Tim O'Brien attended University Of Virginia, Mills E. Godwin High School, Godwin.

What are some of Tim O'Brien's interests?

Tim O'Brien has interest in Writing, Chartbeat, Rails, Linux, Github, Ruby, Mongodb, Open Source, Oscon Java, Education.

What skills is Tim O'Brien known for?

Tim O'Brien has skills like Java, Maven, Open Source, Agile Methodologies, Software Development, Apache, Tomcat, Unix, Spring, Databases, Hibernate, Ruby On Rails.

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