Marina Leybman Email & Phone Number

More than 20 years of experience in the telecommunications industry from technical to customer-facing. Have a strong telecommunications technological background. Experience in merged telecommunication/IT industry, fixed and mobile operators with IN (Intelligent Networks) and SIP-based applications, Network Management systems, customer technical support, and customer and team member training. Experience in design, development, operation and maintenance, presales, and sales support of fixed & mobile telecommunication networks and software applications: Prepaid, VPN, NTS, FMC, VCC.Wide work experience and deep knowledge in IN, GSM family protocols – Nortel & Ericsson Core Network equipment, Nortel IN, Marconi IN, Ericsson IN. High work ethic and responsibility; work under pressure; stress-resistance in critical situations; analysis of complex situations; fast, accurate, and highly motivated decision-making skills; Huge experience in customer on-site support; dedicated teamwork ability; good communication skills. Telecom Networks: TDM, GSM/WCDMA, LTE, VoIP Telecom Protocols: SS7-based (ISUP, INAP, CAP, MAP), SIPTelecom Architectures: IN, CAMEL, IMS, DLA

Listed skills include Sip, Telecommunications, Ss7, Vas, and 46 others.