Vishnu Alahari

Network Engineer @McKesson

TX, US

Designed and deployed a hybrid cloud network using Cisco routing/switching integrated with Azure Virtual WAN and ExpressRoute, enabling secure, low-latency connectivity between McKesson’s on-premises data centers and cloud services. • Configured Palo Alto NGFW with advanced threat prevention, segmentation policies, and continuous rule optimization, reducing potential attack surfaces by 40%. • Implemented VMware NSX micro-segmentation, enhancing security posture for critical healthcare logistics applications. • Integrated Infoblox DDI for IP address management, eliminating 70% of IP conflicts across distributed offices. • Engineered SD-WAN and VPN solutions to expand secure telemedicine capabilities, supporting a 50% increase in remote healthcare consultations. • Deployed F5 BIG-IP load balancers to ensure 99% uptime for critical McKesson healthcare applications. • Automated network configuration tasks using Python and Ansible, reducing manual errors by 60% and speeding deployments. • Leveraged SolarWinds NPM and PRTG for proactive monitoring, achieving a 35% reduction in network downtime. • Strengthened compliance with HIPAA, PCI DSS, and HITRUST by implementing network security baselines and continuous monitoring controls. • Optimized WAN routing policies and QoS, ensuring seamless performance for telehealth video consultations and logistics applications. • Collaborated with cybersecurity teams to integrate SIEM (Splunk) and NetFlow analysis, improving threat visibility and reducing false positives by 25%. • Conducted disaster recovery (DR) and failover testing for cloud and on-prem networks, ensuring business continuity for critical healthcare operations.

University of North Texas

Master's degree