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Senior Network Specialist - ISP Connectivity
Data CentrixMidrand, South Africa8 days ago
Job descriptionMinimum 5 years of experience in network architecture or solution design within an ISP or enterprise connectivity environment. Strong technical knowledge of ISP backbone infrastructure, last-mile deployment models, SD-WAN, MPLS, APN, and enterprise connectivity. Proficiency in routing, switching, and firewall technologies from major vendors (Cisco, Juniper, Fortinet, Palo Alto, etc.). Experience working with Cloudflare or similar CDN and DDoS mitigation technologies. Strong understanding of VoIP and SIP-based communication services. Ability to engage with C-level and mid-management stakeholders, translating complex solutions into business value propositions. Strong written and verbal communication and presentation skills. Experience responding to tenders, RFPs, and customer proposals. A good understanding of IT infrastructure, security, and cloud networking is advantageous. Design and propose ISP and enterprise network solutions covering Voice, APN, SD-WAN / MPLS, Internet Access, and related services. Develop and present technical architecture to customers, sales teams, and senior management in a clear and engaging manner. Work with ISP backbone and last-mile technologies to design scalable, resilient, and cost-effective solutions. Collaborate with internal teams and vendors to ensure seamless deployment of solutions. Ensure security best practices in firewalling, CDN technologies (Cloudflare, etc.), and overall network infrastructure. Provide technical input for tender responses, RFPs, and proposals to secure business opportunities. Conduct customer workshops, proof of concepts (POCs), and training sessions as needed. Stay updated on industry trends and emerging ISP, connectivity, and cybersecurity technologies. Document network designs, technical specifications, and project implementation plans.
Qualifications and Certifications Required :
- Matric
- Cisco Certified Network Professional (CCNP) Enterprise or Service Provider
- Juniper Networks Certified Professional (JNCIP-SP or JNCIP-ENT) (Preferred)
- Fortinet NSE4 / NSE5+ (Advantageous)
- AWS / Azure Cloud Networking Certifications (Advantageous)
- ITIL Foundation (Preferred)
- SD-WAN Vendor Certifications (VMware VeloCloud, Cisco SD-WAN, Fortinet SD-WAN, etc.)
Required Skills & Experience
Key Responsibilities
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Senior Specialist • Midrand, South Africa
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