Location: Atlanta, GA
Client: Southern Company Services
Experience: 10+ Years
Contract- 3 Years- W-2
Focus: Enterprise Voice, VoIP & Unified Communications
Job Summary
We are seeking a Senior Network Engineer specializing in Cisco Voice and Collaboration to support a large enterprise telephony environment. This role will design, administer, troubleshoot, and maintain Cisco Unified Communications infrastructure across multiple locations and CUCM clusters.
The ideal candidate will have deep hands-on experience with Cisco CUCM, UCCX, Unity Connection, IM&P, Expressway, SIP, CUBE, voice gateways, VoIP protocols, and enterprise network technologies.
Key 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.
- Update technical diagrams using Microsoft Visio.
- Work with vendors, business partners, and internal technology teams.
- Participate in after-hours support and on-call rotations as required.
Required Qualifications
- Bachelor’s degree in Computer Science or related field with 10+ years of relevant technical experience, or 15+ years of voice/network experience.
- Expert-level experience supporting enterprise VoIP, telephony, video conferencing, and collaboration platforms.
- Strong hands-on experience with:
- Cisco CUCM 14.x
- UCCX
- Cisco Unity Connection
- IM&P
- Cisco Expressway / Telepresence
- Cisco CUBE
- SIP Trunks
- Voice Gateways
- Jabber / Webex
- Strong understanding of TCP/IP, OSPF, VLAN, Spanning Tree, SNMP, RADIUS, SIP, MGCP, DNS, and DHCP.
- Experience with Cisco UCS, VMware, vSphere, Windows, and Linux/UNIX.
- Strong troubleshooting and enterprise customer-support skills.
- Ability to work independently and communicate effectively with technical teams, vendors, and management.
Preferred Skills
- ACME Packet SBC experience.
- Cisco ISR/ASR, Nexus 5K/7K, routers, and switches.
- E911 administration.
- Python, JSON, API integration, or scripting experience.
- Experience with enterprise network monitoring and administrative tools.