Senior Engineer

Recruiter:

IOCO

Job Ref:

2246623495

Date posted:

Friday, February 20, 2026

Location:

Pretoria, South Africa

SUMMARY:
-

POSITION INFO:

We are seeking a Senior Engineer. The role involves designing, configuring, and troubleshooting VoIP and unified communications solutions, managing TCP/IP networking, SIP, IAX, RTP, and H.323 protocols, and supporting LAN/WAN environments and Linux systems. Experience with platforms such as 3CX, Asterisk, CIC, and cloud or hosted VoIP and SIP services is essential.

What you'll do:

Proven experience in VoIP, Linux and Networking.
Strong understanding of TCP/IP networking suite, SIP, IAX, RTP, H.323 protocols
Good understanding of networking, such as LAN & WAN.
Good understanding of the Linux operating system
A good understanding of Voice Over IP (VOIP) on platforms such as, but not limited to, 3CX, Asterisk, CIC, etc
Preferably experience in working on a range of telephony solutions, including Cloud or Hosted (VoIP) and SIP services.
Experience in designing VoIP solutions

Your Expertise:

At least 7 years of hands-on experience in configuration and troubleshooting VoIP solutions
English - Can converse and has the necessary email skills
Excellent Customer Interaction with clear, concise, and effective communication skills
Effectively collaborate with the team to achieve common goals
Identify and resolve issues effectively.

Qualifications:

Essential
- National Senior Certificate/ Matric/ N3/ Grade 12
Preferred
- Degree or Diploma in a related discipline
- ITIL Foundation certification
- Vendor UC platform certificates (3CX, Asterisk)
- Cisco CCNP Collaboration is advantageous

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