Andrew Arthur

IT Manager focused on Infrastructure, Network Security & Cybersecurity | Educational Technology | Windows Server | Ubiquiti | Fortinet

Brazil

About

IT Manager with experience in infrastructure, network operations, and cybersecurity-focused environments. Strong background in: • Network segmentation and VLAN architecture • Firewall policies and access control • Windows Server and Active Directory • TCP/IP networking and infrastructure troubleshooting • Operational continuity and infrastructure resilience Focused on building secure, scalable, and resilient IT environments while strengthening cybersecurity culture and risk mitigation.

Experience

  • IT Manager at Colégio Codevilla
    Jun 2025 - Present · 1 yr 1 mo

    • Managing the IT infrastructure and ensuring the availability, security, and performance of servers, networks, and communication systems; • Leading the IT team, defining priorities, delegating tasks, and monitoring the quality and efficiency of technical support and maintenance activities; • Overseeing user access control and permission management for servers, cloud services, and internal systems, ensuring compliance with company security policies; • Implementing and maintaining backup, monitoring, and cybersecurity solutions to guarantee data integrity and business continuity; • Managing IT assets, licenses, and vendor relationships, optimizing resources and reducing operational costs; • Planning and executing network expansions and system upgrades to meet organizational growth and technological modernization; • Collaborating with other departments to identify needs and deliver solutions that improve productivity and operational efficiency; • Supporting strategic decision-making by providing insights and reports on IT infrastructure, performance metrics, and future improvement opportunities.

  • IT Assistant at Colégio Vila
    Oct 2024 - May 2025 · 8 mos

    • Providing technical support for installation, configuration, and maintenance of computers, printers, security cameras, access controls, turnstiles and time clocks, Windows AD servers, and general peripherals; • Supporting employees with new systems and equipment, and training them to use available resources to ensure smooth workflow; • Performing hardware maintenance by identifying the root cause of issues to clean components and replace malfunctioning parts; • Conducting functional tests and monitoring the performance of equipment and systems; • Handling help desk support via phone or chat, logging service requests, and assisting employees with everyday issues such as email configuration, printers, IP telephony, computers, and peripheral replacements; • Managing user access permissions for company systems, emails, and third-party websites, restricting usage of certain resources and sites to preserve the security of client and company information; • Creating telecommunications infrastructure and closed-circuit surveillance systems, configuring and maintaining networks, and performing regular maintenance to keep equipment and systems operating efficiently. Working with racks and structured cabling, patch panels, switches, and high-density UniFi Wi-Fi networks.

  • Virtual environment administrator III at Unipê - Centro Universitário de João Pessoa
    Oct 2022 - Dec 2022 · 3 mos

    • Responsible for the final artwork of graphic images, adjusting the files according to the specifications described in the briefing before being submitted for posting on Blackboard and online materials; • Creation and adaptation of corporate visual identities based on the cohesion between elements such as logos, banners, information, images, and texts previously defined by the company; • Image editing using editing tools, modifying aspects such as color, lighting, shadows, and saturation; • Designing artwork for social media promotion, arranging visual communication elements in a harmonious and clear manner; • Layout design of content to be used in the university’s online courses (EAD), as well as text proofreading and production of illustrative images.