All Services Engineering & Architecture engineering (mechanical / chemical / civil / electrical) Telephony, Network, SIP, IVR, VOIP Share This Copy Link Directly Copy $70/hr · Starting at $500 20 years experience in IT Infrastructure with the following knowledge and experienceVoIP, SIP, IVR, contact center (design, implementation and support)Triage and issue resolutionNetworkingProject managementSDN (SD-WAN)Collaboration tools setSupporting various systems and solutionsCurrently managing 4 IT departments and controlling a $10Million budget Skills & Expertise Information TechnologyInteractive Voice ResponseIT Infrastructure DesignNetworkingTelephonyVoIP 0 Reviews This Freelancer has not received any feedback.