Since October 2023 I've been working as an deployment engineer at Sifox, participate in the implementation of systems providing Voice Assistant, Anti-spam, Voice Mail services for telecom carriers.

Implementation and technical support:Unified Communications and video conferencing systems, Softswitch 4\5 class, SBCs, Line and Trunk gateways (Vendor Protei)

Operations Engineer, RCLEC On-Call shifts, solving problems on emergency tickets, handling requests from peer operation departments, handling tickets from carriers, working with Tier3 on client requests, network monitoring, work with the vendors on problem cases,performing software upgrades, deploying new components, replacing faulty equipment, building new SIP trunks, work on projects.O&M Ribbon/Sonus: SBC5k, PSX, GSX, SGX

I&C, Technical support, upgrades for C20 Converged Softswitch (Nortel, Genband, Ribbon) including all related equipment.

Performed maintenance of the Cellular Network Equipment - CDMAOne (IS-95), produced by Qualcomm. Provided trouble-free operation of all subsystems, monitoring and analysis of performance, elimination of faults, making configuration changes.