Mr. Sunday Oladosu is an acclaimed Network and Security Architect possessing a rare and commanding mastery over the world’s most complex digital terrains. He is a multiple-CCIE-certified expert—representing the pinnacle of Cisco Systems’ rigorous technical certification path—covering both Routing & Switching and Data Center technologies. Supported by an elite academic foundation that includes a Master of Science in Cybersecurity from EC-Council University, an MBA from the University of Ilorin, and a Bachelor of Engineering in Electrical Engineering also from the University of Ilorin, Sunday brings over 13 years of dedication to network security and infrastructure engineering.

His professional journey includes a distinguished tenure at Globacom Nigeria from January 2006 to September 2017, where he served initially as an Information Security Consultant (2006–2014) before advancing to Network and Security Architect (2015–2017). During this period, he designed and implemented secure firewall architectures for data protection, managed intrusion prevention and detection systems, configured DMVPN networks for secure branch-to-data-center connectivity, and monitored and maintained a massive IP/MPLS core network consisting of multiple P and PE routers alongside advanced Cisco routing and switching hardware.

He then expanded his global impact at Infosys from November 2018 to January 2026, working as a Lead Network / Cloud Engineer supporting major international clients such as Agropur, LivePerson, BHP, and Black and Veatch. In this capacity, Sunday engineered complex hybrid-cloud networks by establishing dedicated interconnects and secure VPNs integrating on-premise servers with AWS and Google Cloud Platform (GCP). He successfully orchestrated large-scale transformations, including migrating enterprise WAN networks to Cisco Viptela, Versa, and Meraki SDWAN architectures, executing core switch replacements and data center modernizations using Cisco Nexus and Catalyst platforms, and implementing robust access controls with Cisco ISE and advanced firewalls.

Most recently, Sunday serves as a Lead Network Engineer at Capgemini from January 2026 to the Present, where he spearheads enterprise-wide WAN migrations to Viptela SDWAN 20.0, creates advanced configuration and security templates, deploys Fortinet firewall policies, and integrates Aruba enterprise wireless and switching infrastructure. Through his exceptional technical acumen, strategic leadership, and unwavering commitment to digital resilience, Sunday Oladosu continues to define the standard for modern enterprise connectivity.

It is in recognition of his Sterling Accomplishments in Information Systems Development and Management that Mr. Sunday Oladosu is deemed worthy to be conferred with the Nigerian Achievement Award.