Carter Brainerd

Security at Sourcegraph

Washington, District of Columbia, United States

About

I'm a security engineer from Washington, D.C. specializing in identity, distributed systems, infrastructure security, and application security.

Experience

  • Security Engineer at Sourcegraph
    Jan 2026 - Present · 6 mos

  • SpaceX (Washington, District of Columbia, United States)
    • Security Engineer II
      Apr 2025 - Dec 2025 · 9 mos

    • Security Engineer
      Jul 2023 - Apr 2025 · 1 yr 10 mos

  • Software Engineer at MORSE Corp
    Jan 2022 - Jun 2022 · 6 mos

    • Assisted in creating a form for members of the Air Force to submit feedback about MORSE software • Engineered the entire backend stack of the feedback form by myself on AWS via Terraform. • Rolled out custom authentication methods for members of the military using CAC Identification Cards. • Maintained a project to deliver accurate weather data to members of the military dropping payloads out of airplanes

  • Security Engineer at Poloniex
    Jan 2021 - Dec 2021 · 1 yr

    Wallets Team: • Initiated creating a suite of monitoring tools for various problems plaguing the rest of the wallets team • Improved and debugged existing Java code interacting with complex blockchains (Bitcoin, Ethereum, etc.) Security Team: • Created tools in Python to review permissions for OneLogin, Cloudflare, and 1Password utilizing each service’s API • Migrated the Cold Storage Custody API from Flask to AWS Lambdas • Reviewed code from other members of the security team • Created AWS Lambdas for various projects using AWS CloudFormation templates • Interviewed candidates for future co-ops and full time positions

  • Teaching Assistant at Northeastern University
    Sep 2020 - Jan 2021 · 5 mos

    • Aided Professors Shelat and Cohen in grading homework, projects, and exams. • Conducted weekly office hours for a class of 84 students to ask questions about assignments