Alexis Hernandez Email and Phone Number
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With over seven years at Microsoft, my expertise lies in data architecture and transformation, particularly within security services. Our team has excelled in crafting a platform that significantly enhances threat detection, fortifying Microsoft's security posture. We've achieved this through innovative data pipeline designs and the integration of cutting-edge technologies.My role extends to adversary emulation, where I orchestrate actions and optimize detection authoring. By focusing on data engineering, I ensure systems' performance and cost-effectiveness. This approach has been pivotal in delivering quality data assets at scale, enabling informed security decisions that are both tactical and strategic.
Microsoft
View- Website:
- microsoft.com
- Employees:
- 189892
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Security Service Engineer IiMicrosoft Jan 2021 - PresentRedmond, Washington, United States• Designed and implemented an adversary emulation and detection efficacy validation data platform with hyper-low friction on Azure, increasing threat detection by at least 100%.• Managed data pipeline design for Microsoft Security Response Center, resulting in millions of dollars in savings and improved response time to threats.• Implemented incident response automation, reducing resolution time by up to several hours.• Owned and maintained a geo-redundant detection enrichment and filtering distributed Security System layering Kafka and Logstash over Azure handling on average 400k security detections and alerts an hour. Noise reduction and enrichment on the fly. Giving the SOC team enriched and hyper-actionable detections improved Investigation quality and time to complete root cause analysis Increasing our responsiveness metrics across the board -
Software Engineer IiMicrosoft Jul 2019 - PresentSpearheaded the architecture design and implementation of the account.microsoft.com pipeline, leveraging XFlow, Geneva, Kusto, Databricks, and Azure to enhance data analysis speed and reliability.• Developed end-to-end data CI/CD pipeline for data collection, aggregation, and model management.• Led data analysis efforts to drive development decisions and improve user experience on account.microsoft.com.• Created and maintained visualizations in PowerBI to provide regular insights to partner teams and product managers.• Technical Leadership: ask/Data engineering triage and prioritization across the Data team assuring appropriate time allocation for the data team and increased impact across the organization as well as defining key metrics for the organization -
Software Engineer IiMicrosoft Jul 2017 - Jul 2019Redmond, Washington, United StatesWindows ShellCo-created the Shell Heatmap tool which allows everyone in the org to see the most critical metrics over the actual Windows UI, this allows a frictionless experience in digesting data and contextualizing all distinct measures as well as providing drill downs. Scaled up the solution to allow other teams to use heat maps in their reporting resulting in these heatmaps being used regularly on MBR meetings as well as within the larger org for checking the sate of the productWorked on the Pen Workspace space with a emphasis on privacy, Mastering NGP within the space so that Microsoft can stay compliant with NGP guidelines and also prevent any friction or issues down the line.Worked on several experiment driven features over the new experiment workflow. This involved shifting expectations to better align with the experimentation development cycle as well as higher granularity metrics to drive development using signals and data. Since we were one of the first teams to fully embrace Experimentation on the platform our learnings were leveraged by other teams moving into experimentation and now experimentation is the default way to ship features within the team.Data analysis on device segmentation and how to leverage device types to provide custom content/settings to users based on their behavior.Worked with CELA extensively to keep our commitments with the EU across the Windows org, this allowed Microsoft to keep internal and external contracts regarding compliance and the impact of this work was tremendous considering the costs of failing to comply with guidelines. -
Software Engineer ||Microsoft Nov 2015 - Jul 2017Redmond, Washington, United StatesCortanaDesigned, developed and rolled out Measuring strategies/metrics for the Cortana voice assistant in Windows both for Cortana level key performance indicators and feature scoped health and readiness measures. These measures allowed us to make critical decisions on a continuous release schedule and provide the best experience to our user base.Drove Release quality verification for RQV, this included monitoring/troubleshooting the most critical Cortana signals for each release as well as driving across the organization to solve issues and assure a high quality release every release working with people all across the windows stack to deal with bugs and improve performance. Cortana achieved 100 DTT for the first time while I owned RQV measures and process.Worked on the Music playing experience in Cortana releasing for Windows and the Harman Kardon Invoke and released the first Microsoft Music Playback experience. Leveraged Azure power on Cortana signals using Kusto so that we can keep up with our fast moving cloud based experience. -
Software EngineerKforce Inc Apr 2014 - Oct 2015RedmondUnder contract with Microsoft• Full stack Android Native development for the Microsoft Health application V1 Android release. This included design, implementation testing and testing-automation of several features, including the guided workout feature which was a key market differentiator for the Microsoft band on the V1 release• Component and feature migration into Xamarin as we moved to the a cross platform solution, our team was one of the first teams to adopt Xamarin and prove that the platform was ready for commercial releases within Microsoft.• Worked with hardware from engineering validation states through release, this involved working closely with the firmware team and handling communication with hardware via Bluetooth on different Bluetooth stacks as well as interacting with the cloud component (Health Vault). • Tracked and resolved production issues during the release of the Microsoft Band and Microsoft Health V1 Cross-platform application, this allowed our team to stay on top of issues and provide a smooth release to our costumer base and provide them the best possible experience in using our product to meet their fitness goals.• Feature development for the Microsoft Health Application leveraging the cloud and hardware to provide a great end to end experience -
SdetMicrosoft Jul 2013 - Apr 2014Greater Seattle Area• Managed daily triage for changes to shipping builds, assessing risk and client impact as well as sustainability down the line this allowed Office to ship with little issues to users on a 20 day cadence.• Worked in various feature crews to design, code, test and deploy fixes and new features for in-house tools and applications these simplified a lot of the work we did as well as allowing people to quickly ramp up and minimize single person knowledge and maximize hands on deck during outages or issues.• Managed sanity and deployment testing for Public Updates for all in market Office versions, coordinated with teams across the globe to solve arising issues. As well as handling legacy agreements with close partners. Allowed us to ship updates to office consistently as well as foster relationships with key partners by offering support and responsiveness.• Automation strategy planning and implementation of automation scenarios for Office installation, considering sustainability in the long run and resources. automating parts of the testing system for office builds let us focus on other areas and provide value across other aspects of the release cycle. -
Svc Info Developer IiHewlett-Packard Jul 2011 - Jul 2013El Paso, Texas AreaCreated business solutions plans and labor estimates for potential clients including the state of California and other small to large companies. Developed proof of concept applications for cross platform mobile applications and web technologies that led into long term contracts with companies to deliver their vision into their user base.Implementation testing and maintenance for business solutions across different platforms.Working in most modern mobile technologies, ANDROID, IOS, Blackberry and Windows 8 Tiled applications as well as cross platform mobile technologies like phone-gap. This allowed my team to deliver a customized solution to each of our clients that met their needs.Porting mobile applications into different mobile platforms to allow our products to reach the most people or to cater to the client's existing infrastucture.Creating test plans for mobile applications. Overseeing the testing process for various releases. These let us deliver quality software and create long lasting relationships with clients based on quality of the product. -
Teaching AssistantThe University Of Texas At El Paso Sep 2010 - May 2011El Paso, Texas AreaTeaching programming techniques and data structures to undergraduate studentsCode review checking for bugs, incorrect logic and overall style and code architecture.Graded assignments and handled course work -
Research AssistantThe University Of Texas At El Paso Aug 2008 - May 2010El Paso, Texas AreaDesign, Implementation, testing and deployment of a cargo shipment simulator.Leveraging GIS technologies using GIS data to handle rerouting and traffic events. Implementation and testing of a dynamic AJAX front end showing movement of shipments using the Google maps APICustomized a known topological model to characterize and facilitate analysis of data generated by both simulation and GPS readings. -
Web DeveloperThe University Of Texas At El Paso Oct 2006 - Aug 2008El Paso, Texas AreaWorking alongside professors to provide easy to use and functional web pages to improve student's performance.developed full course shells for remote learning for students all over the worldWorked with unclear requirements and constantly changing perspectives over the project while retailing quality and delivering on deadlines
Alexis Hernandez Education Details
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Computer Science -
Computer Science
Frequently Asked Questions about Alexis Hernandez
What company does Alexis Hernandez work for?
Alexis Hernandez works for Microsoft
What is Alexis Hernandez's role at the current company?
Alexis Hernandez's current role is Senior Software Engineer specializing in data architecture and transformation as well as security and incident response.
What is Alexis Hernandez's email address?
Alexis Hernandez's email address is al****@****oft.com
What schools did Alexis Hernandez attend?
Alexis Hernandez attended The University Of Texas At El Paso, The University Of Texas At El Paso.
Who are Alexis Hernandez's colleagues?
Alexis Hernandez's colleagues are Weihua Miao, Esther Sepulveda, Najmul Hasan, John Keech, Trishala Shankar, Duerdson Silva, That Guy.
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Alexis Hernandez
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Alexis Hernandez
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