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Sr. Network Voice Engineer

Job in Orange, Orange County, California, 92859, USA
Listing for: 3B Staffing
Full Time position
Listed on 2026-06-01
Job specializations:
  • Engineering
    IT Specialist, Systems Engineer
Job Description & How to Apply Below
Hands-on experience in Cisco technologies such as Cisco UC Manager, Cisco Unity Connection, Cisco Emergency Responder, Cisco routing and switching with respect to voice traffic.

• Five (5) or more years of experience supporting, troubleshooting, and developing Cisco Communications and networking technologies in many of the following:

• Cisco Unified Communications Manager/Call Manager

• Cisco Unity/Unity Connection

• Cisco Expressway for Mobile Remote Access

• Presence - with Microsoft Teams and Cisco Webex App

• Experienced with performing root cause analysis, risk identification, and risk mitigation

• Support, implement, and troubleshoot voice issues
• Implementation of call routing, QoS, device pools, signaling protocols, dial-peers, and partition management

• Knowledge with protocols & technologies such as: H323, SIP, RTP, PRI, MGCP, TCP/IP, TCP, UDP, SNMP, BGP, OSPF, DHCP, DNS, IPv4, Telnet, SSH, MPLS, VOIP, POE, etc. Ability to support Cisco routers and switches running Cisco IOS, Catalyst IOS and Nexus IOS
• Experience in Cisco UCS servers hosting virtual servers for Cisco Webex Calling Dedicated Instance Enhanced Survivability Nodes.

• Expert experience with Cisco voice router and gateways for SIP trunks, analog stations, integrations via SIP trunks to applications, etc.

• Knowledge of Visio, SharePoint and other documentation applications

• Experienced with ticketing and asset management such as Service Now or similar software

• Experience with Cisco UCS, VMWare physical & virtual infrastructure
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