Certified Voice Experts

Recruiter:

Open Source (Pty) Ltd

Job Ref:

JHB001314/KL

Date posted:

Friday, October 17, 2025

Location:

Pretoria, South Africa

SUMMARY:
Certified Voice Expert (Alcatel-Lucent OmniPCX, CUCM, Avaya Aura)

Support the rollout and maintenance of voice platforms across diverse client environments. This hands-on role involves troubleshooting, user support, and system integration using Alcatel-Lucent, Mitel, or similar technologies. Perfect for certified voice specialists eager to make an impact in real-world deployments.

POSITION INFO:
Location: Onsite â Pretoria, South Africa
Contract Duration: 12 Months
Project Kick-off: November 2025
Travel: Yes, within Gauteng

Purpose: Weâre looking for a Certified Voice Expert to support voice infrastructure projects across multiple client sites. This role is ideal for professionals with hands-on experience in voice systems and a passion for delivering high-quality solutions.

Key Responsibilities:

Architect and implement enterprise-grade voice solutions (PBX, VoIP, SIP, IP telephony).
Configure and manage OEM voice platforms (e.g., Alcatel-Lucent OmniPCX, Cisco CUCM, Avaya Aura).
Integrate voice systems with LAN/WAN, cloud, and collaboration platforms.
Lead voice transformation projects including migration to IP or cloud-based telephony.
Perform advanced diagnostics, performance tuning, and root cause analysis.
Ensure compliance with OEM standards, security protocols, and SLA requirements.
Provide technical leadership, documentation, and training to internal teams.
Collaborate with OEM support and engineering teams for escalations and innovation.
Travel to client locations for onsite implementation and support

Requirements:

Certification in voice technologies: Alcatel-Lucent OmniPCX, Cisco CUCM, Avaya Aura.
8+ years' experience with enterprise voice systems, protocols and enterprise-grade voice solutions (PBX, VoIP, SIP, IP telephony).
Strong problem-solving and client-facing skills
Valid driverâs license and own vehicle
Ability to work independently and manage multiple client engagements.

Please note: A valid driverâs license and reliable vehicle are essential for client site visits.

If you meet the requirements and are passionate about delivering high-quality voice solutions, weâd love to hear from you. Apply now by sending your CV and Certification details to with the email subject line: Voice Expert â Alcatel-Lucent/Mitel.

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