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Keelen-Carrera/README.md

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Hey, I'm Keelen Carrera

Product Security Engineer · DevSecOps & Detection Engineering

LinkedIn Portfolio Email


Software and integration engineer transitioning into cybersecurity, with a current focus on Product and Application Security. Professional experience is strongest in APIs, backend and integration workflows, production troubleshooting, data transformation and validation, technical documentation, and cross-team delivery.

Experience spans integration requirements, development, testing, deployment, monitoring, and troubleshooting; event-driven MuleSoft workflows; production issue diagnosis using logs, Postman, HTTP responses, and data analysis; and portfolio work involving API authentication and backend development.

CompTIA Security+ and AWS Certified Cloud Practitioner support a growing security foundation, with continued hands-on development through labs and projects. Target direction centers on early-career security roles where a software-engineering foundation can translate into secure applications, technical analysis, and security-focused engineering.

Tech Stack

Engineering

MuleSoft DataWeave JavaScript Python TypeScript SQL SOQL XML Postman Git GitHub Express

REST APIs · Systems Integration

Security & Platform Foundations

Elastic Stack Fleet Server Elastic Agent AWS Auth & Access Control MFA Cybersecurity Lab

Operational Strengths

Production Troubleshooting Root-Cause Analysis Data Validation QA/Testing Technical Documentation Stakeholder Coordination Technical Teaching & Support


Featured Work

A three-VM blue-team lab built on Wazuh, with 5 custom Sigma detection rules mapped to MITRE ATT&CK techniques and validated against Atomic Red Team simulations. Detection coverage spans credential dumping, PowerShell abuse, and scheduled task persistence — each rule shipped with adversary context and hardening guidance.

Stack: Wazuh · Sigma · Atomic Red Team · MITRE ATT&CK / D3FEND · Ubuntu · Bash

API-based integration workflows between simulated enterprise systems, demonstrating secure API design at scale. JSON/XML transformation pipelines with input validation, error handling, and reusable transformation logic — patterns drawn from 13+ production integrations shipped at Aries Worldwide Logistics.

Stack: Mulesoft · REST APIs · JSON/XML · Secure-by-default API patterns

Backend services for inventory and supplier workflows built with a Dallas Software Developers cohort—RESTful APIs and real-time operational data processing, deployed in an Agile team environment.

Stack: Node.js · TypeScript · REST APIs · Cloud deployment


Let's Connect

Always open to conversations about detection engineering, DevSecOps practices, AWS security, or breaking into security from a software background. If you're hiring, building, or just want to compare notes:

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  1. smart-kitchen-mgmt smart-kitchen-mgmt Public

    Forked from allaboutmike/smart-kitchen-mgmt

    DSD Cohort 2025 Project for team Deja and Mike

    TypeScript 1

  2. logistics-integration-portfolio logistics-integration-portfolio Public

    A collection of integration architecture patterns and data transformation examples inspired by real-world enterprise logistics system design.

  3. keelencarrera_portfolio keelencarrera_portfolio Public

    Portfolio built in 2026 - DevSecOps-Focused

    HTML

  4. SOC-Home-Lab-with-SIEM-Detection-Engineering SOC-Home-Lab-with-SIEM-Detection-Engineering Public

    A detailed lab guide for setting up a home SOC environment using free tools.

    1