Hoccine

Network & Systems Administrator

Self-Employed (Remote) • Meio período

Feb 2025 - Present • 1 yr 9 mos

Provide network and systems administration services focused on infrastructure design, configuration, troubleshooting, and security. Worked with VLANs, VLSM, OSPF, DHCP, DNS, Active Directory, Group Policy, DFS, Windows Server, Linux servers, VMware, VirtualBox, and Hyper-V. Designed and documented LAN/WAN topologies, configured server services, supported virtual lab environments, and applied security controls for user access and system administration. Also create professional network diagrams and technical documentation using Microsoft Visio and related tools. Key responsibilities include network design, IP addressing, routing and switching, server configuration, virtualization, troubleshooting, infrastructure security, and documentation.

Cybersecurity & Automation Engineer

Self-Employed / Freelance • Autônomo

Jan 2025 - Sep 2026 • 1 yr 8 mos

Freelance Cybersecurity & Automation Engineer focused on chatbot development, API integrations, business automation, networking, and systems administration. Developed WhatsApp Cloud API and Telegram automation solutions using Python, Flask, REST APIs, webhooks, Redis, and cloud deployment platforms. Built automated verification workflows, data lookup systems, messaging automation, and backend integrations. Designed and configured network and infrastructure environments involving VLANs, VLSM, OSPF, DHCP, DNS, Active Directory, Group Policy, Linux servers, Windows Server, and virtualization. Also create professional network diagrams and technical documentation for IT infrastructure and cybersecurity projects. Responsibilities include requirements analysis, architecture design, development, API integration, testing, troubleshooting, deployment, security configuration, and documentation.