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Zachary Delagrange

Zachary Delagrange


2 Riverside Pl, Cambridge, Remote, US, MA 02139
443-797-9610
English

Background


Work Experience

Work Experience

  • Senior Software EngineerTenable, inc.

    Apr, 2023 - Present

    Observability Leader on the Architecture Team

    • Instrumented 200+ services and applications across 50+ Kubernetes clusters with OpenTelementry (logs, metrics, traces)

    • Replaced the DataDog agent with OpenTelemetry for logs, metrics, and traces, removing a vendor dependency

    • Implemented the LGTM (Loki, Grafana, Tempo, Mimir) stack

    • Built and maintained metric, log, and trace usage analysis to improve quality of observability records and reduce storage requirements for observability records

    • Collaborated on observability, tooling, and best practices with all teams and technical leadership in the product engineering organization

  • Senior Software EngineerCrowdStrike

    Jul, 2022 - Mar, 20239 months

    DevTools, productivity, and toil reduction.

    • Built authentication and authorization for an internal portal in golang and FLutter utilizing Active Directory

    • Built CI/CD process for golang applications, including container build, unit and integration testing, and deployment

  • Senior Test Automation Engineer (2yr) >> Staff Engineer (1+ yr)Area 1 Security/Cloudflare

    Mar, 2019 - Mar, 20223 years

    Led SRE and quality initiatives and performed as an Individual Contributor for the customer facing products and their integrations with distributed services.

    • Implemented and instrumented, improved, maintained distributed tracing with OpenTelemetry in a microservice environment

    • Built and maintained end-to-end & integration testing harnesses, wrote abstracted automated testing for endpoints and workloads for new and legacy features

    • Implemented static analysis tools for python and nodejs applications

    • Owned the CI/CD pipeline for the customer facing applications for a global SaaS product using Jenkins

    • Performed production debugging in a distributed service environment with log, metric, and tracing analysis

    • Developed local development environment with Docker, Kubernetes, and cloud resources

  • Senior Automation EngineerBitSight Technologies

    Nov, 2014 - Nov, 20184 years

    Test Automation and Quality for the customer facing product and distributed services.

    • Test automation harness developer and maintainer -- unit, integration, and end-to-end testing with Python, Django, and nodejs

    • Transitioned Django templates to React, owning the build and deploy process with WebPack and cloud resources

    • Test case development

    • Build, test, deploy -- CI/CD

    • Dev tooling

  • QA & Release Analyst -- Eaton VanceEaton Vance

    Jul, 2010 - Nov, 20144 years 4 months

    End-to-End testing and Release Management for internal applications.

    • End-to-End testing

    • Release Management

Skills

Skills

  • Languages

    Python

    golang

    Java

    Kotlin

    nodejs

    bash

  • Tools

    Linux

    Cloud Infrastructure (AWS, GCP)

    Kubernetes

    Observability (OpenTelemetry, LGTM Stack, DataDog, Splunk)

    CICD (Jenkins, GitHub Actions)

    RDBMS (PostgreSQL, MySQL, SQLite3)

    Document Stores (MongoDB, PostgreSQL)

    Key/Value Stores (Redis, DynamoDB)

    Selenium

    IAC (Terraform)

    Web Frameworks (Django, Flask, Cherrypy, Spring)

Education

Education

  • Management Information Systems, Marketing, Bachelors of Science, Northeastern University

    Sep, 2006 - Dec, 2011

Publications

Publications

  • Sparking Joy for Engineers with Observability , USENIX -- SRECon 2021

    Published on: Oct 12, 2021

    Presentation at SRECON 2021 on Observability https://www.usenix.org/conference/srecon21/presentation/delagrange

  • DevOps Discipline for Python , Boston Python User Group

    Published on: Jan 28, 2020

    Presentation about DevOps for Python Developers (No video available, slides should be available on the meetup page) https://www.meetup.com/bostonpython/events/266891391/