Unified Communications Engineer (Cisco Voice / Collaboration)

Unified Communications Engineer (Cisco Voice / Collaboration)

Location: Singapore

Monthly Salary: Up to SGD 7,000

Employment Type: Permanent / Full-time

About the Role

We are looking for a hands-on Unified Communications Engineer to support and maintain enterprise voice, video and collaboration platforms.

The successful candidate should have solid experience with Cisco Unified Communications Manager (CUCM) and SIP/VoIP technologies. Experience with UCCX, Webex, Cisco Unity Connection, Expressway or CUBE would be advantageous.

Key Responsibilities

• Administer, maintain and troubleshoot Cisco CUCM and related voice infrastructure.
• Configure users, extensions, IP phones, device pools, hunt groups and calling features.
• Support call routing components such as partitions, Calling Search Spaces, route patterns, translation patterns and SIP trunks.
• Diagnose voice and video issues, including registration failures, one-way audio, dropped calls, call-quality problems and routing failures.
• Support SIP-based integrations, voice gateways, Session Border Controllers and telecommunications service providers.
• Monitor platform availability, capacity, alarms and service health.
• Perform system upgrades, patching, backups and routine maintenance.
• Support Cisco collaboration endpoints, meeting-room systems and video-conferencing services.
• Work with network, security, application and vendor teams to resolve incidents.
• Manage incidents, service requests and changes in accordance with ITIL processes and service-level agreements.
• Prepare technical documentation, operational procedures and root-cause analysis reports.
• Participate in UC migration, deployment and improvement projects.

Essential Requirements

• Diploma or degree in Information Technology, Telecommunications, Engineering or a related discipline.
• At least three years of relevant experience supporting enterprise voice, VoIP or unified communications environments.
• Hands-on experience administering and troubleshooting Cisco CUCM.
• Good understanding of SIP, RTP, dial plans, codecs and call flows.
• Experience troubleshooting IP phone registration, call routing and voice-quality issues.
• Working knowledge of networking fundamentals, including TCP/IP, VLANs, DNS, DHCP and QoS.
• Familiarity with troubleshooting or monitoring tools such as RTMT, Wireshark, packet captures or SIP traces.
• Ability to independently manage incidents and work with internal teams and external vendors.
• Good communication, documentation and stakeholder-management skills.

Preferred Experience

Experience in one or more of the following areas would be advantageous:

• Cisco UCCX, including agents, skills, CSQs, Finesse, applications, triggers or scripts.
• Webex Control Hub, Webex Calling or Webex Meetings.
• Cisco Unity Connection and voicemail services.
• Cisco Expressway, Mobile and Remote Access or B2B calling.
• Cisco CUBE, voice gateways or Session Border Controllers.
• Cisco Meeting Server, Room Kits, codecs or video endpoints.
• Microsoft Teams Phone, Direct Routing or AudioCodes SBC.
• Enterprise environments supporting multiple sites or large numbers of users.
• UC migration, upgrade or transformation projects.
• Cisco certifications such as CCNA or CCNP Collaboration.

Candidate Profile

This position is suitable for a practical L2 or junior L3 engineer who enjoys hands-on administration and troubleshooting. Candidates do not need experience across every Cisco collaboration product, but strong CUCM and SIP/VoIP fundamentals are essential.

Applicants should indicate their current salary, expected salary, notice period and Singapore work-authorisation status.