3rd Line Support Engineer

Recruiter:

Elite Search

Job Ref:

JHB001127/DS

Date posted:

Monday, July 21, 2025

Location:

Johannesburg, South Africa

Salary:

40 000 Monthly

SUMMARY:
Technical L3 Support Engineer - Voice & Unified Communications
Location: Johannesburg based (Work from home)
Industry: Global Telecoms Solutions & Services
Work Type: Full Remote | Must have a reliable WFH setup

Join a leading global telecoms company that’s redefining the digital communications space. As an L3 Support Engineer, you'll be the go-to expert for complex VoIP, SIP, and Unified Communications challenges. Working closely with global delivery and engineering teams, you’ll enjoy world-class mentorship, and collaborate across borders — all from the comfort of your home.
As a Senior L3 Support Engineer, you will play a critical role in troubleshooting complex telephony, network, and communication issues, ensuring seamless collaboration and customer engagement for businesses. You will work with SIP-based VoIP technologies, Microsoft Teams Calling, SD-WAN architectures, and contact centre platforms, while collaborating with cross-functional teams to optimize security, performance, and user experience.

POSITION INFO:
Experience/qualifications required:

Diploma/ Similar
CCNA (would be advantageous
SIP School Certs – advantageous
4+ years in VoIP, SIP, SBCs, involving networking and advanced SIP trunk signalling, RTP media flow
SDWAN experience would be ideal
Strong hands-on experience with SBCs (AudioCodes, Ribbon, Oracle, etc.) and Microsoft Teams Direct Routing
Experience working with Contact Centre solutions would be ideal
Strong knowledge of VoIP security best practices, firewall configurations, VPNs, and QoS policies.
Ability to work under pressure with strong trouble shooting skills using a high degree of accuracy
Exposure to Azure networking, virtualized voice infrastructure, and hybrid UC environments would be ideal
Strong command of tools like Wireshark, SIP logs, syslog, CLI.
Excellent English communication and documentation skill

On offer:

Collaborative, global team culture with engaging peer support across time zones.
Remote-first environment with Johannesburg roots - flexibility with structure.
Ongoing training and development with highly talented leadership that loves to share knowledge.
A chance to work on cutting-edge telecom platforms that impact global users.

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