I have over 8 years of experience in supporting and designing complex heterogeneous networks consisting of Windows/ Linux servers and workstations, peripherals and gateways. Last 5 years, I have worked for VOIP provider on research and development of various IP solutions that included:
Asterisk-based systems (AsteriskNOW, Trixbox, FreePBX, Vicidial, Elastix) administration/custom script development
other IP-PBXs: FreeSwitch, Broadsoft, 3CX, PBXnSIP, Brekeke
Design central provisioning system for various (Polycom, Linksys, Cisco) endpoints
Design of a calling card systems
Integrated a SQL 2005 billing system
Develop support, deployment, disaster recovery documentation.
Providing upgrades/maintenance/backup to a server farm consisting of:
Windows 2003 server
Linux RedHat
CentOS
Throughout my career, I have proven to be dependable and knowledgeable technical analyst. I believe that my expertise in VOIP, network security and server high availability would be a greatly benefit to your projects.
Please do not hesitate to message me, if you have any further questions.