VoIP Network Engineer

Placements24; Bloemfontein; Hybrid; ZAR 900,000 - 1,200,000; Full time

Benefits offered by this job

Health insurance

Remote work flexibility

Professional development

Job summary

Placements24 is seeking a skilled VoIP Network Engineer to join a fully remote team serving clients nationwide, including Bloemfontein, Free State. You will design, implement, and maintain VoIP and UC solutions ensuring performance, reliability and security of voice services.

The ideal candidate has 5+ years of VoIP/UC engineering, strong SIP/RTP/RTCP skills, and hands-on experience with Cisco CallManager, Asterisk, Avaya and SBCs. Remote collaboration and continuous learning are essential.

Qualifications

• Bachelor's degree in Computer Science, Telecommunications, Information Technology, or a related field.
• Minimum of 5 years of experience specifically with VoIP and Unified Communications network engineering.
• Proven expertise in SIP protocol, RTP, RTCP, and associated signaling.
• Hands-on experience with major VoIP platforms (e.g., Cisco CallManager, Asterisk, Avaya) and SBCs (e.g., Audiocodes, Oracle).
• Strong understanding of IP networking, QoS, VLANs, and firewall configurations for voice traffic.
• Experience with network monitoring tools and troubleshooting methodologies for voice quality.
• Excellent analytical and problem-solving skills.
• Strong communication and collaboration skills, adept at working within a remote team structure.
• Relevant certifications (e.g., CVOICE, CompTIA Network+) are beneficial.

Responsibilities

• Design, deploy, and manage VoIP and UC systems, including PBX, softswitches, and related infrastructure.
• Configure and maintain SIP trunking, call routing, and session border controllers (SBCs).
• Monitor VoIP network performance, troubleshoot call quality issues, and implement solutions for optimal voice delivery.
• Ensure the security and resilience of the voice network, implementing appropriate security measures.
• Collaborate with IT teams to integrate voice services with other network components and applications.
• Develop and maintain comprehensive documentation for VoIP systems, configurations, and troubleshooting procedures.
• Stay updated on emerging VoIP technologies, standards, and best practices.
• Provide Tier 3 support for VoIP-related incidents and customer escalations.
• Conduct performance analysis and capacity planning for voice network resources.
• Assist in the evaluation and selection of new VoIP hardware and software solutions.

Skills

VoIP & UC

SIP protocol

IP networking

QoS

VLANs

Firewall configs

Network monitoring

Remote collaboration

SBC knowledge

Troubleshooting

Education

Bachelor's degree in Computer Science/Telecommunications/IT

Tools

Cisco CallManager

Asterisk

Avaya

SBCs (Audiocodes, Oracle)

Job description

About the Role

Our client, a leader in unified communications, is seeking a skilled VoIP Network Engineer to join their fully remote team, serving clients nationwide including those near Bloemfontein, Free State . This role is pivotal in designing, implementing, and maintaining robust Voice over IP (VoIP) and Unified Communications (UC) solutions. You will be responsible for ensuring the highest levels of network performance, reliability, and security for voice services. The ideal candidate will have a strong background in IP telephony, SIP, and associated networking protocols, coupled with a passion for delivering seamless communication experiences. This is an excellent opportunity for a motivated engineer to shape and support critical voice infrastructure in a dynamic, remote work environment.

Key Responsibilities

• Design, deploy, and manage VoIP and UC systems, including PBX, softswitches, and related infrastructure.
• Configure and maintain SIP trunking, call routing, and session border controllers (SBCs).
• Monitor VoIP network performance, troubleshoot call quality issues, and implement solutions for optimal voice delivery.
• Ensure the security and resilience of the voice network, implementing appropriate security measures.
• Collaborate with IT teams to integrate voice services with other network components and applications.
• Develop and maintain comprehensive documentation for VoIP systems, configurations, and troubleshooting procedures.
• Stay updated on emerging VoIP technologies, standards, and best practices.
• Provide Tier 3 support for VoIP-related incidents and customer escalations.
• Conduct performance analysis and capacity planning for voice network resources.
• Assist in the evaluation and selection of new VoIP hardware and software solutions.

Requirements

• Bachelor's degree in Computer Science, Telecommunications, Information Technology, or a related field.
• Minimum of 5 years of experience specifically with VoIP and Unified Communications network engineering.
• Proven expertise in SIP protocol, RTP, RTCP, and associated signaling.
• Hands-on experience with major VoIP platforms (e.g., Cisco CallManager, Asterisk, Avaya) and SBCs (e.g., Audiocodes, Oracle).
• Strong understanding of IP networking, QoS, VLANs, and firewall configurations for voice traffic.
• Experience with network monitoring tools and troubleshooting methodologies for voice quality.
• Excellent analytical and problem-solving skills.
• Strong communication and collaboration skills, adept at working within a remote team structure.
• Ability to manage multiple tasks and prioritize effectively in a fast-paced environment.
• Relevant certifications (e.g., CVOICE, CompTIA Network+) are beneficial.

Benefits

• Our client offers a competitive salary, comprehensive remote work benefits package including health insurance, retirement contributions, and ongoing opportunities for professional development and certification. This role provides the flexibility of working from home while contributing to the core communication infrastructure of businesses across the nation.