My Work
My Areas of Expertise
I help companies build, secure, and maintain reliable IT systems and networks.
Network Engineering
Designing and implementing stable and scalable networks for businesses of all sizes, from VLAN segmentation to enterprise Wi-Fi coverage.
VoIP & PBX Systems
Deployment, configuration, and optimization of voice systems (3CX, Cisco, Avaya, Grandstream). Call routing, SIP trunking, QoS tuning, and troubleshooting.
System & Infrastructure Management
Server administration, user management, performance tuning, virtualization support (VMware, Hyper-V), and operating system maintenance.
Security & VPN Solutions
Firewall configuration, VPN setup, encryption policies, access control, and hardening to protect systems from threats.
Monitoring & Performance Optimization
Implementation of monitoring tools and performance tuning to improve uptime, throughput, and reliability across servers and networks.
Troubleshooting & Incident Resolution
Diagnosing and resolving complex system, network, and VoIP issues using advanced analysis, monitoring, and root-cause troubleshooting to ensure stability and minimal downtime.
My Latest Work
