Lead network engineer of telecom and network infrastructure dept.Support and extension of large networks. Solution development for newservices and automation of routine tasks. Definition of geographicaltopology and network functionality strategies at 2-4 OSI modellevels. Work at customer's projects as an expert advisor/engineer.

Lead network engineer of IT-infrastructure administration dept.Implementing modern solutions of growth, optimization and supportfor corporate computer network efficiency. Definition of ideologyfor deployment and modernization of network infrastructure.Configuration of core and support of critical areas. Development of“patterns” for routine tasks. Development and implementation ofmonitoring and statistics aggregation systems. Deployment of fault-tolerant and scalable IPSec VPN. Managing of network routing basedon BGP, OSPF, RIP. Development of control and restriction solutionsfor network access at 2-4 OSI model levels.

It was great experience in administration of Cisco networking hardware and the way for understanding how all that stuff works...