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Network Engineer

Job in Johannesburg South, Gauteng, South Africa
Listing for: Datacentrix
Full Time position
Listed on 2026-03-14
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, IT Consultant, IT Support
Job Description & How to Apply Below
Location: Johannesburg South

Responsibilities

:
  • Assist IT departments in resolving issues with their network equipment (routers, firewalls, comprehension boxes, etc.)
  • Provide quality support, particularly by explaining to your contacts the origin of their problem and the appropriate resolution practices
  • Enhance our knowledge base by updating the documentation of operating procedures and instructions;
  • Ensure firmware upgrades for network equipment
  • Independently manage site infrastructure transformation projects in compliance with client standards and best practices in terms of network architecture
  • Perform network compliance audits and ensure the security and high availability of the client's infrastructure are maintained
  • Adhere to client-defined SLAs and monitor them with your manager.
  • Network and Firewall administration and maintenance
  • Design of the IT network infrastructure (WAN, MAN, LAN) of the entities, across the entire scope:
    Technically translates the functional needs of the group. Builds and maintains the standards and principles of architecture. Based on the strategies and needs of the business departments
  • Ensure capacity planning for IT Infrastructure
  • Manage IT Hardware resources (see inventory and capacity planning in deliverables here after)
  • Guarantee the availability and quality of data by maintaining and improving performance ("tuning") and functionalities (by improving their automation, optimizing processing and queries, settings, etc.).
  • Management of scalabilities (volume monitoring, etc.) on the data access aspect.
  • Administer user access permissions and data security issues with the security engineer.
  • Manage version migrations.
  • Follow up on monitoring tools and study all incidents that have occurred to understand their severity and origins.
  • Participation in the architecture projects of new projects, implementation:
    Participates in the evaluation of projects. For all new projects or new technologies, participates and monitors the evaluation of the impact of the change. Monitoring of network infrastructure deployments, carried out by internal and external teams.
  • QUALIFICATIONS
  • Relevant qualification in Information Technology or Computer Science,
  • Fortinet NSE 6
  • CCNP / ARUBA ACP
  • Azure Networking - Advantage
  • Management of operations on environment with clustering, replication, load balancer
  • ITIL Practitioner (V3) / ITIL Specialist (V4)
  • ISO 27000, other IT security Training
  • Prince2, PMP or equivalence - Advantage
  • EXPERIENCE
  • Minimum 5 years relevant experience in IT
  • Experience in supporting and maintaining Networks and Firewalls Forti Gate / Fortinet Cisco Aruba
  • Extensive experience implementing VPNs, SD-WANs, MPLS, SSL VPNs, WLANs, etc.
  • Extensive experience with network equipment virtualization and cloud issues.
  • Extensive experience with Cisco, Fortinet, Pulse Secure, Aruba, VMware, and Microsoft Azure technologies.
  • Ability to Manage a Technical Project
  • Experienced in working within Large Corporate Environments
  • ITSM solution on the market,
  • Collaborative solution,
  • For more information please contact:

    Nondumiso Radebe
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