Network Engineer 4 4P/810

4P Consulting•Atlanta, GA

2d•Onsite

About The Position

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.

Requirements

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.

Nice To Haves

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.

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.