VoIP Network Engineer

Placements24; Randburg; On-site; ZAR 520,000 - 900,000; Full time

Benefits offered by this job

Competitive salary package

Medical aid & provident fund

Professional development & VoIP培训

Laptop & mobile provided

Team lunches & social events

Pension fund contributions

Job summary

Placements24 in Randburg is seeking a skilled VoIP Network Engineer to design, implement, and support our VoIP infrastructure and related network services. You will ensure high availability, security, and performance for a growing base of business customers.

The ideal candidate has 5+ years of hands-on VoIP experience, strong knowledge of SIP/RTP/H.323, and experience with Asterisk, Cisco UC, Avaya, and SBCs.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Electrical Engineering, or a related field.
• Minimum of 5 years of hands-on experience specifically with VoIP network engineering.
• In-depth knowledge of VoIP protocols (SIP, RTP, H.323) and telephony concepts.
• Experience with enterprise-level IP PBX systems (e.g., Asterisk, Cisco Unified Communications, Avaya) and SBCs.
• Strong understanding of IP networking, including TCP/IP, routing, switching, and QoS.
• Familiarity with network monitoring tools and performance analysis techniques.
• Excellent troubleshooting and problem-solving skills.
• Strong communication and interpersonal abilities.
• Ability to work independently and as part of a team.
• Relevant certifications such as CCNA Voice, CCNP Voice, or CompTIA Network+ are desirable.
• Must be available for full-time, on-site work in Randburg, Gauteng.

Responsibilities

• Design, implement, and maintain VoIP infrastructure, including IP PBX systems, SBCs, and gateways.
• Configure and manage VoIP protocols such as SIP, H.323, and MGCP.
• Monitor VoIP network performance, identifying and resolving quality issues.
• Troubleshoot and resolve complex voice issues for end-users and network infrastructure.
• Manage user accounts, extensions, call routing rules, and voicemail configurations.
• Ensure the security of the VoIP network through appropriate configurations and monitoring.
• Collaborate with network and system administrators to ensure seamless integration of VoIP services.
• Develop and maintain comprehensive documentation for VoIP systems and configurations.
• Perform regular system updates, patching, and upgrades for VoIP hardware and software.
• Provide technical support and guidance to junior team members and end-users.

Skills

VoIP network engineering

SIP/RTP/H.323/MGCP

IP networking

Troubleshooting

Documentation

Communication skills

Education

Bachelor's degree in CS/IT/EE

Tools

Asterisk

Cisco Unified Communications

Avaya

SBCs

VoIP gateways

Job description

About the Role

Our client, a rapidly expanding telecommunications provider in Randburg, is looking for a skilled and experienced VoIP Network Engineer to join their technical team. This role is crucial for the design, implementation, configuration, and ongoing support of our client's Voice over IP (VoIP) infrastructure and related network services. The successful candidate will be responsible for ensuring the high availability, performance, and security of our VoIP systems, supporting a growing base of business customers. We are seeking an individual with a strong technical foundation in VoIP protocols, telephony systems, and IP networking. This position is based in Randburg and requires a full-time, on-site presence, offering a stable and engaging career opportunity within a forward-thinking company. The ideal candidate will possess excellent troubleshooting skills and a proactive approach to network management, contributing to the seamless delivery of reliable communication solutions. This role offers a chance to work with modern VoIP technologies and make a tangible impact on business communications.

Key Responsibilities

• Design, implement, and maintain VoIP infrastructure, including IP PBX systems, Session Border Controllers (SBCs), and gateways.
• Configure and manage VoIP protocols such as SIP, H.323, and MGCP.
• Monitor VoIP network performance, identifying and resolving quality issues (e.g., latency, jitter, packet loss).
• Troubleshoot and resolve complex voice communication issues for end-users and network infrastructure.
• Manage user accounts, extensions, call routing rules, and voicemail configurations.
• Ensure the security of the VoIP network through appropriate configurations and monitoring.
• Collaborate with network and system administrators to ensure seamless integration of VoIP services.
• Develop and maintain comprehensive documentation for VoIP systems and configurations.
• Perform regular system updates, patching, and upgrades for VoIP hardware and software.
• Provide technical support and guidance to junior team members and end-users.

Requirements

• Bachelor's degree in Computer Science, Information Technology, Electrical Engineering, or a related field.
• Minimum of 5 years of hands-on experience specifically with VoIP network engineering.
• In-depth knowledge of VoIP protocols (SIP, RTP, H.323) and telephony concepts.
• Experience with enterprise-level IP PBX systems (e.g., Asterisk, Cisco Unified Communications, Avaya) and SBCs.
• Strong understanding of IP networking, including TCP/IP, routing, switching, and QoS.
• Familiarity with network monitoring tools and performance analysis techniques.
• Excellent troubleshooting and problem-solving skills.
• Strong communication and interpersonal abilities.
• Ability to work independently and as part of a team.
• Relevant certifications such as CCNA Voice, CCNP Voice, or CompTIA Network+ are desirable.
• Must be available for full-time, on-site work in Randburg, Gauteng.

Benefits

• Competitive salary package and annual performance bonus.
• Comprehensive medical aid and provident fund benefits.
• Opportunities for professional development and advanced VoIP training.
• Exposure to advanced communication technologies and solutions.
• Generous paid time off and sick leave.
• A collaborative and supportive team environment.
• Career advancement opportunities within a growing organization.
• Company-provided laptop and mobile phone.
• Regular team lunches and social events.
• Pension fund contributions.