Hey, I'm

Samuel Diaz

Technology Professional

Professional portrait of Samuel Diaz

About Me

I'm driven by continuous learning across software, cybersecurity, and data science. I continuously explore different areas of computing and enjoy understanding how systems work.

This portfolio highlights my professional experience, technical projects, education, and certifications as I continue growing throughout my career.

Download Resume

Professional Experience

Programs Management Analytics & Technologies (PMAT)

San Diego, CA

Information Systems Security Officer (ISSO) Mar 2026 – Present

Enterprise Cybersecurity

  • Advanced CMMC readiness across multiple enterprise environments.
  • Revised cybersecurity policies to align with NIST requirements.
  • Mapped system boundaries and CUI flows in network diagrams.

Ship Self Defense System (SSDS) Program

  • Conducted RMF assessments across applicable security controls.
  • Coordinated remediation of critical security deficiencies.
  • Maintained compliance artifacts supporting NIST requirements.

Integrated Missions Branch (IMB) Program

  • Assessed AWS security controls and identified compliance gaps.
  • Presented remediation recommendations to stakeholders.
  • Developed compliance artifacts and diagrams documenting CUI flows.

Software Engineer May 2023 – Mar 2026

Ship Self Defense System (SSDS) Program

  • Maintained Navy combat system software across multiple baselines.
  • Resolved software defects through code analysis and debugging.
  • Integrated code merges supporting production releases.

Technical Skills

  • Programming
    PythonJavaSQLJavaScriptC++ RBashHTMLCSSC#
  • Development
    AI/MLAPIsAgileDockerGit GitLab.NETJiraConfluenceVS Code Jenkins CI/CDSDLCPostman
  • Data Science
    ExcelMatplotlibMySQL WorkbenchPandas RStudioNumPyPyTorchScikit-learn
  • Cloud & Platforms
    AWSGoogle CloudmacOSRHEL 8 UbuntuWindows
  • Systems Engineering
    Systems ArchitectureNetwork & Data Flows Requirements AnalysisConfiguration Management System Integration LabTechnical Writing
  • Cybersecurity
    RMFATONIST SP 800-53NIST SP 800-171 CMMC Level 2DoD STIGsSSPsGovernance

Academic research

Academic Research

San Diego State University

Graduate Researcher, Information Systems

Developing Secure Retrieval-Augmented Generation (RAG) Systems to Mitigate Corpus Posioining Attacks

Credentials

Education

  • MS, Information Systems
    Graduate Certificate in Data Science
    San Diego State University
  • BS, Computer Science
    Western Governors University
  • BSBA, Information Systems
    San Diego State University

Certifications

  • Google Cloud Computing Foundations
    Google Cloud
  • CompTIA Security+
    CompTIA
  • Linux Essentials
    Linux Professional Institute

Verify on Credly

Projects

Artificial Intelligence

Resume Role Analyzer AI

Built an AI/ML platform that analyzes resumes and recommends five matching career paths using normalized skills and O*NET occupation data.

  • Python
  • MiniLM
  • ASP.NET Core
  • C#
  • JavaScript
  • Docker
Source Code
Cloud & Security

AWS Secure Portfolio Website

Designed and deployed a secure AWS portfolio website using Amazon S3, CloudFront, and Route 53, with least-privilege IAM roles, MFA, CloudTrail logging, S3 versioning, and lifecycle policies.

  • AWS
  • JavaScript
  • HTML/CSS
  • IAM
  • Route 53
  • CloudTrail
  • S3
  • KMS
  • CloudFront
Source Code
Algorithms

Package Delivery Route Optimization System

Developed a Python application implementing the nearest neighbor algorithm to optimize package delivery routes.

  • Python
  • Algorithms
  • Data Structures
  • Optimization
Source Code
Application Development

Customer Appointment Management System

Developed a JavaFX desktop application with MySQL integration to manage customers, appointments, time zones, and scheduling conflicts.

  • Java
  • JavaFX
  • MySQL
  • JDBC
  • SQL
Source Code
Systems Design

Customer Relationship Management System Design

Designed a customer relationship management (CRM) system by developing software requirements, UML models, and system design documentation.

  • UML
  • SDLC
  • Systems Analysis
  • Software Design
Source Code
Data Engineering

Relational Database Design & SQL Development

Designed and implemented normalized relational databases while developing SQL queries to support business reporting and data management.

  • MySQL
  • SQL
  • ER Modeling
  • Database Design
  • Normalization
Source Code
View GitHub Profile

Interested in working together?

Let’s Connect!

For professional opportunities, feel free to reach out.

Email LinkedIn