Voice Network Engineer

Position SummaryThe Voice Network Engineer has the ability to design, maintain, troubleshoot, and deploy core network voice and data services, including but not limited to Class 4/5 telephony switches, Session Border Controllers, QoS-enabled routed and switched infrastructure, VoIP/IP telephony systems, remote access solutions, and carrier/partner integrations. This position is accountable for maintenance and support activities to model production-ready configurations and translating complex business requirements to align appropriate solutions.Position ResponsibilitiesResponsible for research, design, implementation, documentation, and operation of multiple multitenant solutions such as Cisco and Metaswitch to provide cloud-ready products for an international customer base.Maintain and support voice network to provide a high level of reliability for call routing for all CallTower platforms, including configuration and system updates in response to changes from cloud platforms such as Microsoft Teams, Cisco Webex, and Zoom.Coordinate with staff outside of the technology group, acting as the highest level of escalation for support and solution architects.Act as the highest level of escalation for Voice Switch translations and TDM network, including acting as an escalation point for other engineers.Support a highly available, geographically diverse environment, including the necessary processes and communications.Maintain the quality and throughput metrics for data and voice delivery to their ultimate destinations.Maintain a high degree of industry knowledge relative to network and IP telephony technologies, products, and vendors, introducing them as solutions where applicable.Communicate professionally both internally and customer-facing.Other duties as assigned by management.Essential Skills and ExperienceBachelor's degree or above in Electrical Engineering, Computer Science, Telecommunications, or related Engineering majors, or equivalent work experience.4+ years of voice network engineer experience or equivalent.Strong knowledge of Session Border Controller configuration.Able to maintain, provision, and support the company's networking and telecommunications infrastructure.Strong knowledge of voice networking and technologies, including Class 4/5 switch operation, TDM Voice networking (including PRI and SS7), and LCR design along with other supported voice technologies and concepts.Strong knowledge of data networking.Strong knowledge of layer 2 and layer 3 QoS mechanisms.Expert knowledge of various VoIP signaling protocols including SIP, H323, and SCCP.Troubleshooting, problem resolution, project management, and technology evaluation skills to meet business requirements.Skilled with network troubleshooting and management tools - Sniffer, cable testers, packet capture/decoding software.Working knowledge of Microsoft productivity tools, including Outlook, Word, Excel, and Visio.Working knowledge of Microsoft and Linux server administration.Fluent in written and spoken English.

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