Senior VoIP Systems Administrator

Placements24; Klerksdorp; Hybrid; ZAR 600,000 - 900,000; Full time

Benefits offered by this job

Competitive salary

Health benefits

Retirement plan

Professional development

Hybrid work in Klerksdorp

Job summary

Placements24 is recruiting a Senior VoIP Systems Administrator in Klerksdorp, North West to manage and optimize the VoIP infrastructure. The role emphasizes reliability, security, and efficiency of communications systems within a growing tech-focused company.

You will administer PBX platforms, monitor performance, and implement upgrades while ensuring high availability. Hybrid work arrangements are available, with a focus on seamless integration with network teams and end-user training.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent practical experience.
• Minimum of 5 years of experience managing and supporting VoIP systems (Asterisk, Cisco Unified Communications, 3CX).
• In-depth knowledge of VoIP protocols such as SIP, H.323, and RTP.
• Strong understanding of networking concepts (TCP/IP, DNS, DHCP, VLANs).
• Experience with voice gateways, IP phones, and related telephony hardware.
• Familiarity with call center technologies and unified communications platforms.
• Excellent troubleshooting and problem-solving skills.
• Strong communication and interpersonal skills.
• Experience in the North West region is a plus.

Responsibilities

• Administer, configure, and maintain VoIP phone systems, PBX platforms, and related telephony hardware.
• Monitor system performance, troubleshoot issues, and implement solutions to ensure high availability and quality of service.
• Manage user accounts, call routing, voicemail, and other telephony features.
• Implement and maintain security measures for the VoIP infrastructure.
• Plan and execute system upgrades, patches, and new feature deployments.
• Develop and maintain comprehensive documentation of the VoIP environment.
• Collaborate with network and IT teams to ensure seamless integration of VoIP services.
• Provide technical support and training to end-users regarding VoIP services.
• Research and recommend new VoIP technologies and solutions to improve efficiency and reduce costs.

Skills

VoIP systems

SIP protocol

H.323 protocol

RTP protocol

Networking basics

Asterisk

Cisco UCM

3CX

Voice gateways

IP phones

Call center tech

Unified communications

Troubleshooting

Communication skills

Hybrid work

Education

Bachelor's degree in CS/IT

Tools

Voice gateways

IP phones

Asterisk

Cisco UCM

3CX

Job description

About the Role

Our client, a progressive technology firm based in Klerksdorp, North West , is seeking a skilled Senior VoIP Systems Administrator to manage and optimize their Voice over IP infrastructure. This position is key to ensuring the reliability, security, and efficiency of our client's communication systems. The ideal candidate will have extensive experience with VoIP platforms, network protocols, and related hardware and software. This role offers an excellent opportunity to take ownership of critical communication systems and contribute to the technological advancement of a growing company in the North West region. Join a collaborative team environment where your expertise is highly valued.

Key Responsibilities

• Administer, configure, and maintain VoIP phone systems, PBX platforms, and related telephony hardware.
• Monitor system performance, troubleshoot issues, and implement solutions to ensure high availability and quality of service.
• Manage user accounts, call routing, voicemail, and other telephony features.
• Implement and maintain security measures for the VoIP infrastructure.
• Plan and execute system upgrades, patches, and new feature deployments.
• Develop and maintain comprehensive documentation of the VoIP environment.
• Collaborate with network and IT teams to ensure seamless integration of VoIP services.
• Provide technical support and training to end-users regarding VoIP services.
• Research and recommend new VoIP technologies and solutions to improve efficiency and reduce costs.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field, or equivalent practical experience.
• Minimum of 5 years of experience managing and supporting VoIP systems (e.g., Asterisk, Cisco Unified Communications, 3CX).
• In-depth knowledge of VoIP protocols such as SIP, H.323, and RTP.
• Strong understanding of networking concepts (TCP/IP, DNS, DHCP, VLANs).
• Experience with voice gateways, IP phones, and related telephony hardware.
• Familiarity with call center technologies and unified communications platforms.
• Excellent troubleshooting and problem-solving skills.
• Strong communication and interpersonal skills.
• Experience in the North West region is a plus.
• Ability to work effectively in a hybrid environment.

Benefits

• Our client offers a competitive salary, comprehensive health benefits, retirement savings plan, and opportunities for professional development.
• This hybrid role provides a balance of remote work flexibility and in-office collaboration in Klerksdorp .
• Employees benefit from a supportive work culture, access to modern technology, and the chance to work on impactful projects.
• We are committed to fostering a productive and engaging work environment.