Eigie Certeza

I am an experienced IT Support Specialist with a broad skill set in end-user support, systems administration, and IT infrastructure management. My expertise spans across Windows 10/11, Microsoft Office applications, and basic troubleshooting for macOS devices. I have extensive experience in diagnosing and resolving application issues, printer malfunctions, desktop network problems, storage concerns, Office 365 application errors, and network drive access issues.

In Active Directory, I am proficient in onboarding and offboarding processes, user account modifications, DNS and DHCP management, Group Policy creation and maintenance, and troubleshooting login-related issues. My Office 365 administration skills include hands-on expertise with the M365 Admin Center for licensing, Exchange Admin Center for message tracing, Intune Admin Center for application deployment, Entra Admin Center for MFA setup, Defender Portal for managing email/domain whitelisting and blacklisting, releasing quarantined emails, SharePoint Admin Center for site creation and management, and Teams Admin Center for group creation and management.

I have a strong background in email filtering and security, with experience in both Office 365’s native tools and Barracuda Email Gateway Defense. My multi-factor authentication knowledge includes administering Microsoft Authenticator and DUO.

I am well-versed in various MSP and IT management platforms, including ConnectWise Manage, ConnectWise Automate, and Kaseya. I also have experience supporting VPN connections via Cisco AnyConnect and Harmony SASE, as well as configuring and managing SonicWall TZ-series firewalls.

In virtualization, I work with VMware ESXi to create and manage both Windows Server and Windows 10 virtual machines. Additionally, I am proficient with Google Workspace, including Docs, Sheets, Drive, and Gmail, to support efficient collaboration and productivity across organizations.

My approach to IT support combines strong technical skills with a focus on clear communication and efficient problem-solving. Whether working on front-line user support, backend system administration, or infrastructure security, I bring a proactive mindset and the ability to manage multiple priorities in fast-paced environments.

With a proven track record in both on-premises and cloud-based solutions, I am committed to delivering reliable, secure, and user-friendly IT services that empower teams and support business goals.