Meysam Sinafar

Led enterprise-wide deployment of next-gen firewalls (Cisco Firepower, Sophos) and VPN solutions supporting 200+ remote users. Integrated Cisco ISE with Firepower for robust authentication, implemented 802.1X for network access control, and conducted phishing simulation training for 500+ employees. Improved uptime, reduced security incidents, and ensured compliance with ISO 27001 standards. Managed network for 500+ users across multiple sites with a focus on security and performance.

Modernized network infrastructure for 30+ sites, transitioning from Juniper to Cisco Firepower NGFW and layered security architecture. Redesigned core network with multi-tier topology and deployed F5 Big-IP LTM for load balancing, increasing application availability by 25%. Implemented MPLS, OSPF, and DMVPN across branches, reducing communication costs by 30% and boosting uptime by 40%. Optimized Cisco routing and switching equipment to enhance performance and reduce latency by 30%.