Voice Implementation Specialist

Thrive

. Serve as a critical technical escalation point for diverse client environments .

Posted 10/27/2026full-timeClark Global City • PhilippinesMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in administering Cisco Unified Communications systems, including CUCM and Unity Connection, while effectively managing network infrastructure and security. Proven ability to troubleshoot complex voice and network issues, ensuring high-quality technical resolutions and client communication.

Highest-signal resume keywords

Cisco CUCM AdministrationNetwork Infrastructure ManagementVoice Gateway ConfigurationSIP Tracing and TroubleshootingCisco CCNP Collaboration

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

CUCMUnity ConnectionVoice GatewaysSIP TrunkingLAN/WAN DesignQoS ImplementationNetwork Security PoliciesPacket Capture AnalysisMACD ExperienceNetwork Performance Monitoring

Soft Skills

Problem-SolvingCommunicationCustomer ServiceTeam CoordinationTechnical Articulation

Tools & Technologies

WiresharkCisco IP PhonesJabberWebexCUBE Session Border Controllers

Certifications & Qualifications

Cisco CCNP CollaborationCisco Certified Specialist — Collaboration CoreCCNAMicrosoft Teams Administrator AssociateCompTIA Network+

Industry Keywords

ITILNetwork AdministrationVoice ModernizationIncident ManagementChange Management

Tech Stack

Tools & technologies

CloudSwitchingUnity

About the role

Key responsibilities & impact

Serve as a critical technical escalation point for diverse client environments
Own enterprise telephony and collaboration estates
Provide remote and occasional onsite support across CUCM, Unity Connection, UCCX/UCCE, voice gateways/CUBE and SIP trunking
Administer routing, switching, QoS, firewall and VPN infrastructure
Analyze unfamiliar environments and identify root causes quickly
Deliver high-quality technical resolutions while maintaining clear, professional client communication
Communicate troubleshooting steps clearly and demonstrate urgency in resolving incidents
Resolve firewall, VPN and access rule issues and enforce network security policies
Design, deploy and maintain LAN, WAN and wireless networks
Provide upgrade recommendations and maintain network equipment firmware
Monitor and test network performance and produce reports
Administer Cisco CUCM clusters, including dial plans, route patterns, partitions, calling search spaces and device configuration
Manage Cisco Unity Connection voicemail, auto-attendants and user provisioning
Support Cisco UCCX/UCCE or equivalent contact centre platforms, including agent provisioning, queue and skill configuration, and call-flow/MACD changes
Configure and maintain voice gateways, CUBE session border controllers and SIP trunks
Troubleshoot SIP messaging, codec and QoS issues using traces and packet captures
Manage Cisco IP phones, Jabber, Webex apps/devices, firmware, templates and DHCP/TFTP services
Administer emergency calling compliance, CDR management and voice security, including toll fraud prevention and TLS/SRTP
Implement and monitor QoS policies for voice and video traffic across LAN and WAN
Contribute to voice modernization initiatives, including Webex Calling/cloud collaboration and Microsoft Teams Voice integration

Requirements

What you’ll need

Bachelor's Degree, Technical Degree or equivalent work experience
5+ years in a network administration or engineering role with demonstrable Cisco UC/voice responsibilities
Hands-on administration of CUCM, preferably version 12.5+, Unity Connection and voice gateways/CUBE
Strong troubleshooting skills across network configuration, hardware and voice
Experience using SIP traces, debugs and Wireshark captures to root-cause call failures
MACD experience in a production voice environment
Experience designing LAN/WAN network architectures
Broad knowledge of infrastructure and network technologies
Familiarity with ITIL-aligned incident, problem and change management processes
Excellent problem-solving and communication skills
Ability to prioritize and coordinate, articulate technical information to non-technical people, provide excellent customer service, and work independently and in teams
Cisco CCNP Collaboration or demonstrable equivalent experience with active progress toward certification
Cisco Certified Specialist — Collaboration Core advantageous
CCNA preferred
CCNP Enterprise advantageous
Microsoft Teams Administrator Associate advantageous
CompTIA Network+ / Fortinet NSE 4 advantageous
ITIL 4 Foundation preferred

Benefits

Comp & perks

Study support and exam funding for CCNP Collaboration certification
Hybrid work arrangement