Global Voice Engineer — CUCM, MACDs & Cloud Migration

Auxis; Bogotá; On-site; COP 286,451,000 - 413,762,000; Full time

Job summary

Auxis is seeking a Voice Engineer to own day‑to‑day support for a Cisco CUCM‑based voice and UC environment. You will execute MACDs, troubleshoot voice quality, and assist in decommissioning legacy systems across multiple sites in the Americas.

You will collaborate with network and telecom teams, coordinate with carriers, and help migrate to cloud-based calling solutions, including Teams Phone where applicable.

Qualifications

• Bachelor's degree in Information Technology, Telecommunications, or a related field, or equivalent professional experience.
• 3+ years of hands‑on voice/UC engineering experience, including administration of Cisco Unified Communications Manager (CUCM).
• Working knowledge of voice protocols and technologies: SIP, RTP, QoS, voice gateways, and SIP trunking.
• Experience executing voice MACDs and troubleshooting voice quality issues in a multi‑site environment.
• Experience working with telecom carriers on trunks, circuits, and number porting.
• Familiarity with ITIL incident and change management processes.
• Strong verbal and written communication skills in English B2+

Responsibilities

• Provide day-to-day operational support for the Cisco CUCM environment, including call routing, dial plans, device registration, voicemail, and related UC services.
• Execute voice MACDs for users, devices, hunt groups, and call flows through the account's request and change processes.
• Troubleshoot voice quality, registration, and connectivity issues across sites, including SIP trunking, gateways, and QoS-related problems.
• Support the phased decommission of the legacy CUCM estate, including discovery, migration planning inputs, cutover execution, and post-cutover validation.
• Coordinate with carriers and telecom vendors on circuit, trunk, and number porting activities for migrations and incident resolution.
• Maintain accurate documentation of the voice environment, including dial plans, trunk inventories, gateway configurations, and site voice profiles.
• Partner with the Network Engineer Lead on voice-impacting network changes (QoS, VLANs, firewall rules for voice traffic).
• Support Microsoft Teams calling/telephony integration activities where in scope of the client's target‑state voice platform.
• Participate in scheduled after‑hours change windows for voice changes and migration cutovers.
• Track and report status of voice‑related tickets, projects, and decommission milestones to the Network Engineer Lead.

Skills

Voice engineering

English proficiency

ITIL familiarity

Multi-country collaboration

MACD execution

Education

Bachelor's degree in IT/Telecommunications or related

Tools

CUCM

Unity Connection

SIP trunking

CUBE/voice gateways

Microsoft Teams Phone / Direct Routing

ITSM (ServiceNow)

Job description

Auxis is seeking a Voice Engineer to own day‑to‑day support for a Cisco CUCM‑based voice and UC environment. You will execute MACDs, troubleshoot voice quality, and assist in decommissioning legacy systems across multiple sites in the Americas.

You will collaborate with network and telecom teams, coordinate with carriers, and help migrate to cloud-based calling solutions, including Teams Phone where applicable.