Senior Network Engineer

2 days ago

Johannesburg, Gauteng, South Africa DataFin Recruitment Full time

ENVIRONMENT: Join a forward-thinking Digital Solutions Provider as a Senior Specialist: Network Engineer in Johannesburg. This isn't just about keeping the lights on — it's about building and maintaining next-gen network infrastructure that drives innovation, resilience, and scalability. You'll play a key role in designing, implementing, and optimizing network systems while ensuring security and reliability for business-critical operations. With your strong technical foundation, 5+ years of network engineering experience (at least 2 in a specialist role), and deep knowledge of Cisco, ACI, and related technologies, you'll be part of a team shaping the future of digital connectivity. DUTIES:

  • Network Design & Implementation – Architect and deploy robust networking solutions that meet performance, security, and scalability requirements.
  • Maintenance & Optimization – Monitor performance, troubleshoot issues, and ensure continuous uptime.
  • Security Management – Implement and manage firewalls, VPNs, intrusion detection, and other security protocols.
  • Project Leadership – Lead end-to-end network projects from planning to delivery, managing timelines and resources.
  • Capacity Planning – Analyze growth trends to anticipate future requirements and scale infrastructure.
  • Mentorship – Support and guide junior engineers, fostering knowledge sharing and continuous improvement.
  • Vendor & Stakeholder Management – Collaborate with vendors and negotiate for hardware/software solutions aligned with business goals.
  • Documentation & Compliance – Maintain accurate documentation and ensure alignment with regulatory and audit requirements.

REQUIREMENTS:

  • 3-year Bachelor's degree in Computer Science, IT, or related field.
  • Minimum of 5 years' experience in network engineering, with at least 2 years in a specialist capacity.
  • Proven expertise in Cisco ACI design, configuration, and troubleshooting (multi-pod fabric, APIC management, firmware upgrades).
  • Strong experience with C#, ASP.NET, SQL, and automation tools to enhance efficiency.
  • Ability to troubleshoot and deploy VxLAN networks.
  • Experience supporting large-scale data centres and complex enterprise networking environments.

CERTIFICATIONS (advantageous):

  • Cisco Certified Network Professional (CCNP) or CCIE.
  • Certified Information Systems Security Professional (CISSP).
  • Cisco Certified Design Expert (CCDE).
  • VMware VCP-NV or VCAP-NV Design.
  • Aruba ACMX / Certified Wireless Design Professional (CWDP).
  • CompTIA Network+.
  • Certified Network Defender (CND).

ATTRIBUTES:

  • Strong analytical and problem-solving skills with attention to detail.
  • Resilient, self-driven, and results-oriented.
  • Ability to lead, mentor, and collaborate effectively across teams.
  • High integrity and professionalism with excellent communication skills.

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