John Barsisa
Network Engineer @Ecowas Commission
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WORK HISTORY
Network Engineer @Ecowas Commission
Successfully migrated on-premises Exchange environments to Microsoft 365 Exchange Online, ensuring zero downtime and seamless user adoption-Ensured compliance with regulatory standards (e.g, GDPR, HIPAA) by configuring Data Loss Prevention (DLP) policies and eDiscovery tools-Built internal dashboards using Spring MVC and Thymeleaf to visualise WAN/LAN metrics, pulling data from Redis and SQL Server backends deployed in Azure VPCs-Diagnosed and resolved complex messaging system issues using Microsoft 365 Admin Center, PowerShell, and Microsoft Support tools-Planned and executed Exchange Server upgrades, ensuring minimal disruption to business operations-Designed secure Spring Security configurations to protect network management dashboards with role-based access controls and LDAP/Active Directory integration.
EDUCATION
ICP (International College Portsmouth)
Engineering Foundation, Electronic Engineering
University of Portsmouth
Bachelor of Engineering - BE, Electronics Engineering
University of Portsmouth
Master's degree, Electrical and Electronics Engineering
Avado
Data Modeling/Warehousing and Database Administration
ABOUT JOHN BARSISA
MSc Electronic and Electrical Engineer Graduate with industrial experience in the field…
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