Alexander G.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Hello! Need help fixing network issues, auditing an existing infrastructure, modernizing a legacy environment, or designing a new enterprise network? I help companies troubleshoot, optimize and build reliable, scalable and secure networks. I am a CCIE Enterprise Infrastructure professional with 18 years of hands-on experience in enterprise networking, helping businesses solve complex technical problems, improve performance and modernize their infrastructure. I can help you with: ✅ Network Audit & Assessment Review of existing network infrastructure, architecture validation, risk identification, performance bottlenecks, best-practice recommendations and modernization planning. ✅ Network Troubleshooting & Problem Resolution Complex routing, switching, WAN, BGP, OSPF, MPLS, VPN, SD-WAN, latency, failover and performance issues. ✅ Network Modernization Upgrading legacy environments, architecture redesign, migration planning, resiliency improvements and operational optimization. ✅ Enterprise Network Design Designing scalable and resilient campus, branch, WAN and hybrid enterprise networks. Core Expertise: Cisco Enterprise Infrastructure Routing & Switching BGP, OSPF, MPLS, VPNs Cisco SD-WAN High Availability & Resiliency Network Architecture & Design Network Optimization & Performance Tuning Root Cause Analysis & Escalation Support If you are looking for a senior CCIE-level consultant to solve difficult problems or modernize your network infrastructure, I would be glad to help. My certificates: Cisco CCIE Juniper JNCIP (SP/SEC) HP ASE