VoIP Network Engineer

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

Job summary

Placements24 is seeking a skilled VoIP Network Engineer to join a progressive telecommunications service provider in Port Elizabeth, Eastern Cape, ZA. You will design, implement, and support VoIP infrastructure to ensure high-quality voice services.

The role requires knowledge of SIP, H.323, RTP/RTCP; experience with CUCM or Asterisk; and a hybrid on-site/remote work arrangement. Bachelor's degree and 4+ years in VoIP are expected; CCNA Voice/CCNP Voice are desirable.

Qualifications

• Bachelor's degree in CS/IT or related field; CCNA Voice or CCNP Voice desirable.
• Minimum 4 years of VoIP network engineering and administration experience.
• Strong knowledge of SIP, H.323, RTP, and RTCP; familiarity with VoIP platforms.
• Familiarity with SBCs, QoS, VLANs; experience with network monitoring tools.

Responsibilities

• Design, configure, and deploy VoIP systems (PBX, SBCs, gateways).
• Monitor VoIP performance, troubleshoot quality issues, ensure call quality.
• Manage SIP trunking and VoIP connectivity solutions.
• Develop and enforce VoIP security policies and best practices.
• Collaborate with network and systems teams for seamless integration.
• Perform regular system updates, patches, and upgrades for VoIP platforms.
• Create and maintain documentation of VoIP configurations and procedures.
• Provide Tier 2/3 support for VoIP incidents and requests.
• Evaluate new VoIP technologies and features for potential implementation.
• Participate in capacity planning and network design discussions.

Skills

VoIP engineering

SIP

QoS

Wireshark

Education

Bachelor's degree in CS/IT or related field

Tools

CUCM

Asterisk

Wireshark

SBCs

Job description

About the Role

Our client, a progressive telecommunications service provider, is looking for a skilled VoIP Network Engineer to join their growing team in Port Elizabeth, Eastern Cape, ZA. This role is integral to the design, implementation, and ongoing support of our client's Voice over IP (VoIP) infrastructure, ensuring high-quality voice services for their customer base. The ideal candidate will have a strong understanding of VoIP protocols, networking technologies, and telecommunications systems. This hybrid position allows for a combination of remote flexibility and essential on-site collaboration to manage and maintain critical network components.

Key Responsibilities

• Design, configure, and deploy VoIP systems, including PBX, call managers, session border controllers (SBCs), and gateways.
• Monitor VoIP network performance, troubleshoot voice quality issues, and implement solutions to ensure optimal call clarity and reliability.
• Manage and maintain SIP trunking and other VoIP connectivity solutions.
• Develop and enforce VoIP security policies and best practices.
• Collaborate with network and systems teams to ensure seamless integration of VoIP services with the broader network infrastructure.
• Perform regular system updates, patches, and upgrades for VoIP platforms.
• Create and maintain comprehensive documentation of VoIP systems, configurations, and procedures.
• Provide Tier 2/3 support for VoIP-related incidents and service requests.
• Evaluate new VoIP technologies and features for potential implementation.
• Participate in capacity planning and network design discussions for VoIP services.

Requirements

• Bachelor's degree in Computer Science, Information Technology, or a related field; relevant certifications (e.g., CCNA Voice, CCNP Voice) are highly desirable.
• Minimum of 4 years of experience in VoIP network engineering and administration.
• In-depth knowledge of VoIP protocols such as SIP, H.323, RTP, and RTCP.
• Experience with major VoIP platforms like Cisco Unified Communications Manager (CUCM), Asterisk, or similar.
• Strong understanding of IP networking, TCP/IP, QoS, and VLANs.
• Familiarity with SBCs and call flow troubleshooting.
• Experience with network monitoring tools and packet analysis (e.g., Wireshark).
• Excellent problem-solving skills and attention to detail.
• Good communication and interpersonal skills.
• Must be willing to work a hybrid schedule, involving both remote work and on-site presence in Port Elizabeth, Eastern Cape, ZA.

Benefits

Our client offers a competitive salary, comprehensive health benefits, and opportunities for professional growth and certifications. The hybrid work model provides a balance between remote work efficiency and the necessity of on-site engagement. Join a supportive team environment focused on delivering exceptional telecommunications services and enjoy a role with tangible impact.