Hydroficient logoHydroficient Externship via Extern
Dandre Singletary portrait

Cybersecurity & Business

I blend marketing, sales, customer experience, and cybersecurity knowledge to understand people, solve problems, communicate clearly, and support secure, business-focused solutions.

🟡 Open to consulting

Work samples

Portfolio highlights research and deliverables from an AI-powered sales automation externship with HorizonX Consulting and ongoing investor strategy work with Mangusta Capital.

  • HorizonX Consulting AI-Powered Sales Automation & Strategy Externship
    HorizonX Consulting AI-Powered Sales Automation & Strategy Externship
    HorizonX Consulting logo

    HorizonX Consulting · Aug 2025 · ✅ Verified by Extern

    HorizonX Consulting AI-Powered Sales Automation & Strategy Externship

    AI is transforming how companies sell—want your resume to prove you get it? Work directly with the CEO of HorizonX—a leader in AI, quantum, and engineering consulting—to find an AI-powered sales automation solution. You’ll research tools that automate outreach workflows, identify high-quality leads, and simplify sales processes. Perfect for both sales-minded and technical students, this practical experience helps you master using AI strategically, giving you the competitive edge that today's top employers look for. This is an Internship Track Externship: top externs will be selected to interview with HorizonX for internship opportunities.

    AI & MLSalesPresentation SkillsCommunication
  • Hydroficient IoT Cyber Defense Externship
    Hydroficient IoT Cyber Defense Externship
    Hydroficient logo

    Hydroficient · ✅ Verified by Extern · ⏱️ In progress

    Hydroficient IoT Cyber Defense Externship

    Build, hack, and defend real IoT infrastructure, then hand your security playbook to an actual company. You’ll launch realistic cyberattacks, from spoofing and replay attacks to unauthorized shutoffs, and implement defenses like TLS and mTLS.

    Python ProgrammingData AnalysisThreat ModelingDashboard Development

About me

I blend marketing, sales, customer experience, and cybersecurity knowledge to understand people, solve problems, communicate clearly, and support secure, business-focused solutions.

My experience spans sales, customer experience, marketing, AI research, and emerging cybersecurity skills. I completed an AI-Powered Sales Automation & Strategy Externship with HorizonX Consulting, where I explored AI tools for outreach, lead qualification, and sales workflows.

Externships

Hydroficient IoT Cyber Defense Externship

In progress

Experience

Cybersecurity Trainee

Per Scholas · Aug 2026 - Nov 2026

Sales Representative

T-Mobile · Sep 2022 - Aug 2026

Sales Representative

AT&T · Aug 2021 - Sep 2022

Education

Per Scholas Cybersecurity Training Program

CompTIA CySA+ | Splunk · Class of 2026

University of North Carolina at Pembroke

B.S. Marketing · Class of 2026

Wake Technical Community College

Associates in Science · Class of 2024

Wake Technical Community College

Associates in Art · Class of 2024

Skills

AI research for sales automationSales outreach workflow analysisLead qualification methodsInvestor strategy researchMarket researchBusiness marketing fundamentals

✅ Verified by Extern

HorizonX Consulting AI-Powered Sales Automation & Strategy Externship

AI is transforming how companies sell—want your resume to prove you get it? Work directly with the CEO of HorizonX—a leader in AI, quantum, and engineering consulting—to find an AI-powered sales automation solution. You’ll research tools that automate outreach workflows, identify high-quality leads, and simplify sales processes. Perfect for both sales-minded and technical students, this practical experience helps you master using AI strategically, giving you the competitive edge that today's top employers look for. This is an Internship Track Externship: top externs will be selected to interview with HorizonX for internship opportunities.

AI & MLSalesPresentation SkillsCommunication

Overview

The work reviewed AI-driven sales trends and tested candidate tools for automating prospecting, lead scoring, and personalized outreach. It produced a market trends slide and summaries, a comparative list of ten prospecting tools, a feature matrix for outreach tools, and a pitch package recommending Reply.io, including a deck, user manual, and recorded presentation.

HorizonX Consulting AI-Powered Sales Automation & Strategy Externship
Google Docs
Access

What I've accomplished

I produced a market trends slide, a comparative list of 10 AI prospecting tools, a feature matrix and recommendation for outreach tools, and a pitch package (deck, user manual, and recorded presentation) proposing Reply.io.

Project breakdown

View all work

✅ Verified by Extern · ⏱️ In progress

Hydroficient IoT Cyber Defense Externship

Build, hack, and defend real IoT infrastructure, then hand your security playbook to an actual company. You’ll launch realistic cyberattacks, from spoofing and replay attacks to unauthorized shutoffs, and implement defenses like TLS and mTLS.

Python ProgrammingData AnalysisThreat ModelingDashboard Development

Overview

The work tested an IoT water-management deployment through offensive and defensive exercises. The project examined device interactions, launched realistic attacks such as spoofing and replay, and implemented transport-layer protections. Deliverables included an attack log and a hardened communication configuration.

Hydroficient IoT Cyber Defense Externship

What I've accomplished

I explored the system components, mapped device communications, executed targeted attacks, and implemented transport-layer defenses, documenting findings and countermeasures.

Project breakdown

View all work