Raymond Rosario
About Raymond Rosario
Raymond Rosario is a Senior Network Engineer at Milliman, where he has worked since 2016. He has extensive experience in network security and infrastructure management, having previously served as a Network Administrator at First Northern Credit Union and held various IT roles at Inter American University of Puerto Rico.
Work at Milliman
Raymond Rosario has been employed at Milliman as a Senior Network Engineer since 2016. In this role, he is responsible for assisting and supporting the trading technology, life, and financial technology teams. His work involves the planning, design, and implementation of both physical and virtual infrastructure for the Chicago office and Grid Computing datacenters. He also manages and monitors NAS/SAN storage systems, ensuring efficient operation and security.
Previous Experience at First Northern Credit Union
Prior to his current role, Raymond Rosario worked at First Northern Credit Union from 2011 to 2016 as a Network Administrator. During his five years in this position, he was responsible for maintaining network security and performance. His experience in this role contributed to his expertise in network management and security protocols.
Education and Expertise
Raymond Rosario holds a Master's degree in Computer Science from Inter American University of Puerto Rico-Guayama Campus, where he studied Networking and Computer Security from 2009 to 2011. He also earned a Bachelor's degree in Computer Science from the same institution, focusing on Computer Systems Installation/Repair and Networking from 2003 to 2005. Additionally, he completed Cisco Boot Camp at INFOSEC Institute in 2014, achieving multiple Cisco Systems Certifications.
Background in IT Roles
Raymond Rosario has a diverse background in IT roles, having worked at Inter American University of Puerto Rico as an IT Technician from 2005 to 2006 and as an IT Specialist from 2006 to 2011. These positions provided him with foundational skills in IT support and network management, contributing to his professional development in the field.
Network Security Responsibilities
In his current role as a Senior Network Engineer, Raymond Rosario is responsible for applying hardening standards to ensure maximum security across all environments he manages. His expertise includes supporting and maintaining a diverse range of network equipment, including Cisco, HP, Arista, and Extreme Networks switches, which are critical for maintaining network integrity and performance.