Senior Cisco UC & VoIP Engineer, Enterprise Voice Expert

4p-Consulting-Inc.; Atlanta (GA); On-site; USD 130,000 - 170,000; Full time

Job summary

Southern Company Services seeks a Senior Network Engineer specializing in Cisco Voice and Collaboration to design, administer, troubleshoot, and maintain Cisco Unified Communications across multiple locations.

The ideal candidate has hands‑on experience with Cisco CUCM, UCCX, Unity Connection, IM&P, Expressway, SIP, CUBE, voice gateways, and related enterprise networking technologies.

Qualifications

• Bachelor’s degree in CS or related field and 10+ years of relevant experience, or 15+ years voice/network experience.
• Expert‑level experience supporting enterprise VoIP, telephony, video conferencing, and collaboration platforms.
• Hands‑on Cisco CUCM 14.x, UCCX, Unity Connection, IM&P, Expressway / Telepresence, CUBE, SIP Trunks, Voice Gateways, Jabber / Webex.
• Strong knowledge of TCP/IP, OSPF, VLAN, Spanning Tree, SNMP, RADIUS, SIP, MGCP, DNS, and DHCP.

Responsibilities

• Engineer, maintain, and support enterprise‑wide Cisco Unified Communications and VoIP infrastructure.
• Administer and troubleshoot Cisco CUCM 14.x, UCCX, CUC, IM&P, Telepresence, and Expressway.
• Support Cisco voice gateways, SIP trunks, CUBE routers, analog/POTS services, and SBC solutions.
• Troubleshoot dial plans, call routing, translation patterns, voicemail, recording, and monitoring systems.
• Support E911 platforms, paging systems, voice recording servers, and related applications.
• Maintain LAN/WAN/WLAN, VPN, VoIP, and network infrastructure supporting voice services.
• Perform advanced troubleshooting of SIP, MGCP, SRTP, DNS, DHCP, and other voice/network protocols.
• Document network and voice standards, designs, and engineering changes.

Skills

VoIP & UC

Enterprise networking

Cisco CUCM

UCCX

Unity Connection

IM&P

Expressway

SIP

CUBE

Voice gateways

Education

Bachelor’s degree in CS or related field

Tools

Microsoft Visio

VMware vSphere

Windows

Linux/UNIX

Job description

Southern Company Services seeks a Senior Network Engineer specializing in Cisco Voice and Collaboration to design, administer, troubleshoot, and maintain Cisco Unified Communications across multiple locations.

The ideal candidate has hands‑on experience with Cisco CUCM, UCCX, Unity Connection, IM&P, Expressway, SIP, CUBE, voice gateways, and related enterprise networking technologies.