David Ferreira

About David Ferreira

As a dedicated IT security professional with a strong foundation in technical support, I specialize in safeguarding systems, networks, and data from cyber threats. My expertise spans malware analysis, incident response, and risk assessment, with hands-on experience in leveraging tools like Splunk, Nessus, and various encryption technologies to implement robust security measures.With an Associate\'s Degree in Mathematics from Ventura College and certifications in CompTIA A+, Network+, and Security+, Cysa+, Pentest+ I bring a structured and analytical approach to solving complex security challenges. My skill set includes endpoint and cloud security, firewall configuration, vulnerability management, and crafting security policies that enhance organizational resilience against cyber risks.In my current role as an Advanced Repair Technician at Best Buy Geek Squad, I provide top-tier troubleshooting and repair services, focusing on malware detection, data recovery, and proactive network security measures. I also educate clients on cybersecurity best practices, empowering them to navigate the digital world securely.If you’re looking for a cybersecurity analyst with a comprehensive technical background, excellent problem-solving skills, and a commitment to protecting data integrity, let’s connect!

Experience

1. Datacenter Technician Iii

   Microsoft

   Oct 2025 — Present

   Data Center Technician | Microsoft Mount Pleasant, Wisconsin | June 2025 – PresentAs a Data Center Technician at Microsoft, I support the backbone of Microsoft’s global cloud infrastructure by maintaining, troubleshooting, and optimizing critical data center systems to ensure maximum uptime, efficiency, and security. My role involves both hands-on technical execution and strategic collaboration across teams to uphold operational excellence and customer trust.Key Responsibilities:Perform server builds, installations, and component-level repairs (CPU, memory, storage, GPU, NICs) across various platforms including HPE, Dell, and Lenovo systems.Support infrastructure deployment and decommissioning, including racking, cabling (fiber & copper), and inventory management.Conduct hardware diagnostics, firmware updates, BIOS configurations, and system imaging to maintain high availability.Collaborate with network engineers to identify and resolve connectivity, routing, and VLAN issues within large-scale environments.Utilize tools such as ServiceNow, JIRA, Putty, PowerShell, and GDCO for ticketing, logging, and configuration tasks.Adhere to Microsoft’s strict safety, security, and compliance standards while following structured escalation protocols.Participate in cross-functional projects and site expansions, contributing to continuous improvement initiatives for sustainability and operational efficiency.Core Skills:Server Hardware | Networking (TCP/IP, VLANs, DNS/DHCP)| Fiber Optics | PowerShell | Linux/Windows CLI | Inventory & Asset Management | Troubleshooting | Incident Response | ServiceNow | GDCO | JIRAImpact:Supporting Microsoft’s mission to deliver reliable, scalable, and secure cloud services through world-class data center operations.

Education

• Western Governors University

  Bachelor's degree, Cybersecurity and Information Assurance

• Ventura College

  Associate's degree, Mathematics