BABonnexandre Alexis

Tampa, FL · Open to IT and security opportunities

I build reliable systems and secure the networks behind them.

IT support and cybersecurity professional with experience supporting 20+ healthcare facilities and hands-on projects in network segmentation, pfSense, Omada, virtualization, and security assessment.

Explore my work View résumé Email me
20+Facilities supported
3CompTIA certifications
6Home-lab VLANs
Bonnexandre Alexilien Alexis
Bonnexandre A. AlexisIT Support · Networking · Cybersecurity

Professional profile

Technical support experience backed by practical security work.

I combine frontline troubleshooting with a security-first approach. My background includes user support, hardware and software troubleshooting, network deployment, server maintenance, backups, Active Directory, printers, and documentation across distributed healthcare sites. I hold a bachelor’s degree in computer science, CompTIA A+, Network+, and Security+, plus hands-on cybersecurity training from the University of South Florida.

Selected work

Projects that demonstrate how I think and troubleshoot.

Infrastructure, networking, security, and systems projects documented with objectives, implementation decisions, testing, and results.

Featured series

Enterprise-Style Home Lab

One environment, documented as two connected projects: the infrastructure I assembled and the secure network I configured on top of it.

01 / Physical layer
Completed home-lab network rack with firewall, switching, NAS, UPS, PDU, and patch cabling

IT Infrastructure

Physical Network Infrastructure

Planned and assembled a multi-gig platform integrating a pfSense appliance, managed PoE switching, an OC200 controller, two Wi-Fi 6 access points, NAS storage, two panoramic PoE cameras, wireless printing, UPS protection, and a PDU.

  • Hardware selection and compatibility
  • Physical topology and port planning
  • Cabling, power, installation, and validation
View Part 1 →
02 / Logical layer

Network Security

Network Segmentation & Security

Configured six purpose-built VLANs with pfSense routing, Kea DHCP, Omada SSID mapping, least-privilege firewall rules, isolated cameras and guests, protected NAS access, and network threat controls.

  • 802.1Q trunks and access-port profiles
  • Inter-VLAN policy and service aliases
  • Troubleshooting, packet analysis, and validation
View Part 2 →
Artemis penetration-testing capstone cover

Offensive Security

Artemis Penetration-Test Capstone

Performed reconnaissance, scanning, vulnerability analysis, risk prioritization, and professional executive and technical reporting.

View case study →
Completed custom workstation

Hardware Deployment

High-Performance Workstation

Planned, assembled, and validated a custom workstation for development, virtualization, and cybersecurity labs.

View build →
VirtualBox multi-OS lab overview

Systems Administration

Multi-OS Virtualization Lab

Built Windows, Ubuntu, Red Hat, and Kali environments for administration, isolated networking, and safe security testing.

View lab →

Security analysis library

Nine focused cybersecurity case studies

Research and applied analysis covering architecture, governance, blue-team defense, application security, incident response, and professional ethics.

Zero Trust Architecture CIS Controls v8 System Hardening Security Monitoring OWASP Remediation Authentication & Injection MFA Bypass Cryptographic Failures Pen-Test Ethics

Technical toolkit

Skills aligned with support, networking, and junior security roles.

01

IT Support

Windows and Linux troubleshooting, hardware, software, printers, account support, ticket ownership, remote support, and technical documentation.

02

Networking

TCP/IP, DNS, DHCP, VLANs, routing, NAT, VPN, Wi-Fi, managed switches, pfSense, Omada, Wireshark, and Nmap.

03

Cybersecurity

Network segmentation, firewall policy, IDS/IPS, vulnerability assessment, endpoint hardening, access control, SIEM concepts, and incident analysis.

04

Systems & Cloud

Active Directory administration, server maintenance, backups, VirtualBox, Windows 11, Ubuntu, Red Hat, Kali Linux, and Azure fundamentals.

Professional experience

Supporting technology where reliability matters.

May 2021 — June 2022Cap-Haïtien, Haiti

IT Support Specialist

Catholic Medical Mission Board (CMMB) · USAID-supported healthcare project

  • Supported users and technology across more than 20 hospitals and health centers in northern Haiti.
  • Deployed and maintained switches, routers, wireless access points, servers, backups, VoIP, and endpoint equipment.
  • Managed Active Directory accounts and resolved desktop, printer, application, and network-connectivity issues.
  • Maintained asset records, documented solutions, supported remote locations, and helped keep critical services available.

Credentials

Certified foundations. Continued hands-on practice.

CompTIA A+IT operations and support
CompTIA Network+Network infrastructure and troubleshooting
CompTIA Security+Security operations and architecture
USF Cybersecurity Program55 labs, 30 mini-projects, and capstone
Bachelor’s in Computer ScienceÉcole Supérieure d’Infotronique d’Haïti

Let’s connect

Looking for an IT professional who understands both support and security?

I am based in Tampa, Florida, and open to onsite, hybrid, and remote opportunities.

abonnexandre@gmail.comLinkedInGitHub