3rd Line Support Engineer

Elite Search; Johannesburg; Remote; ZAR 350,000 - 500,000; Full time

Job summary

A leading global telecoms company seeks a Technical L3 Support Engineer to troubleshoot complex telephony and communication issues. The role requires expertise in VoIP, SIP technologies, and SDWAN, with hands-on experience in SBCs and Microsoft Teams. The position is full remote, ideal for candidates with a reliable WFH setup.

Qualifications

• 4+ years in VoIP, SIP, SBCs, involving networking and advanced SIP trunk signalling.
• Strong hands-on experience with SBCs and Microsoft Teams Direct Routing.
• Experience working with SDWAN is ideal.

Responsibilities

• Manage complex telephony, network, and communication issues.
• Collaborate with global teams to ensure seamless customer engagement.
• Optimize security, performance, and user experience across platforms.

Skills

VoIP technologies

SIP

SD-WAN architectures

Microsoft Teams Calling

SBCs (AudioCodes, Ribbon, Oracle)

Education

Diploma or similar

CCNA

Job description

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