Network and Voice Infrastructure Specialist

4 days ago


Pretoria, Gauteng, South Africa Gijima Holdings Full time
Job Description

Gijima Holdings is seeking a highly skilled Network and Voice Infrastructure Specialist to join our team. As a key member of our organization, you will be responsible for designing, implementing, and maintaining our voice and data network infrastructure.

Key Responsibilities:
  • Design and Implementation: Design and implement voice and data network infrastructure, including SIP Trunking and network solutions.
  • Tier III Support: Provide Tier III support for all voice-related technologies using our internal ticketing system.
  • Network Monitoring and Management: Conduct proactive network monitoring and management to reduce risks and eliminate inefficiencies.
  • Service Delivery: Ensure all engineered installation designs meet the guidelines of 'best practices', security requirements, and the intent of the stated requirement.
  • Customer Enquiries: Ensure customer enquiries are dealt with in a timely and professional manner.
  • Continuous Improvement: Embed Continuous Improvement into our everyday working.
  • Network Infrastructure Planning: Plan and design network infrastructure, including improvements, upgrades, and solutions to guarantee project success.
  • Network Infrastructure Installation: Prepare and install network infrastructure as specified by the client to meet the required service delivery standards.
  • Administrative Support: Provide administrative support and maintenance to relevant stakeholders to enhance effective service delivery.
  • WAN and Related Calls: Attend and resolve WAN and related calls logged within the agreed signed SLAs.
Requirements:
  • Qualifications and Experience: Bachelor's degree and/or related certifications and at least 5 years of IT Voice and Networking data experience.
  • Knowledge and Skills: Extensive experience with the SIP protocol, dialogs, using applications, and business processes. Expertise with open communication protocols (XMPP and SIMPLE network management Protocol etc.), T1/E1 (PRI and CAS), gateways, SIP Trunking, and session border controllers.
  • Technical Competencies: Organizational Awareness: Network Infrastructure and Government Industry IT Products and Services. Knowledge of: Incident Restoration and network principles. Internet Application Layer protocols, services, and standards, Network design and troubleshooting, network principles such as Multi-Protocol Label Switching (MPLS) Virtual Private, Network (VPN) Wide Area Network (WAN) Local Area Network (LAN) Quality of Service (QOS) Routing and Switching Carrier Services, documentation of network architecture, Service Level Agreement (SLA) reporting.


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