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Datafin

Senior Network Engineer (Data Centre)

Datafin

  • R Undisclosed
  • Permanent Senior position
  • Johannesburg
  • Posted 11 Dec 2025 by Datafin
  • Expires in 2 days
  • Job 2627353
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About the position

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.

Desired Skills:

  • AV Network Troubleshooting
  • CCNA (Cisco Certified Network Associate)
  • Firewall
  • IT Infrastructure
  • Networking

About The Employer:

A trusted leader in technology and digital solutions, delivering world-class, reliable, and cutting-edge innovations. With a focus on solving business challenges through expertise, agile processes, and advanced technology, they empower clients to thrive in a fast-changing digital landscape. Backed by diverse teams and a global footprint across South and Southern Africa, the UAE, and the USA, they are committed to driving transformation and success. 

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Datafin

About the agency

Datafin Recruitment was established in 1999 and is one of South Africa’s leading Recruitment companies. Owned and managed by two sisters Lindy and Bev Sollinger, we focus on connecting with both our clients and candidates in an authentic conscious meaningful manner. We focus on the Tech, Digital/Online, Data, Finance and HR industries.

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