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Freddy D. — Junior Network Infrastructure Support Specialist from South Africa

Freddy D.

Junior Network Infrastructure Support Specialist

South Africa 3-6 years
Open to offersNew to Platform
Languages
EnglishFrench
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About

Freddy M. is a dedicated IT Specialist operating from eMahlaleni, South Africa, with over three years of experience in network engineering and infrastructure support. He has showcased his skills in both local and international environments, having worked with Dimension Data (NTT Ltd) in Johannesburg and providing remote support for Haivision in North America. Freddy excels in resolving complex issues involving TCP/IP, DNS, DHCP, VLANs, and VPNs. Alongside his technical acumen, he has a strong certification portfolio, including CompTIA Security+ and AWS Cloud Practitioner, and is advancing his cloud and AI proficiency. At Dimension Data, he performed critical network troubleshooting and system management, while at Haivision, he managed end-to-end IT support, core infrastructure, and user provisioning. Freddy continues to enhance his skills by leveraging AI technologies like ChatGPT for troubleshooting and is exploring further automation solutions in Azure AI.

Experience

  • Network Engineer I

    Dimension Data (NTT Ltd) · 2023 — 2025
    Executed troubleshooting at Layer 1 and Layer 2 within enterprise LAN/WAN networks. Addressed complex network complications related to DNS, DHCP, VLANs, and VPN connectivity. Undertook root-cause analysis for recurring issues, such as DHCP exhaustion and gateway misconfigurations. Assisted in firewall rule assessments to ensure least-privilege access. Managed endpoint deployment and maintenance utilizing Microsoft Intune and Entra ID. Ensured network performance aligns with security policy compliance.

  • IT Infrastructure & User Support Specialist

    Haivision · 2020 — 2023
    Acted as the primary point of contact for users, providing extensive IT support. Oversaw core infrastructure components including TCP/IP, DNS, DHCP, VLANs, and GPOs. Directed identity and access management (IAM) alongside user provisioning tasks. Compiled comprehensive documentation for tracking incidents and resolutions. Participated in the formulation of IT policies and the enhancement of operational processes.

  • Customer Service Representative (Technical Support)

    TELUS International · 2020 — 2020
    Managed a daily volume of 40–60 technical support tickets in a fast-paced setting. Addressed hardware, connectivity, and system issues effectively. Provided assistance to users amid outages and security incidents while adhering to strict SLAs. Sustained high levels of customer satisfaction through effective communication and accountability.