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Johannesburg: Senior Network Engineer (DC) posted by Datafin

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Job Description

Senior Network Engineer (DC)Engineering/Technical
Johannesburg – Gauteng – South Africa

ENVIRONMENT:
Join a forward-thinking Digital Solutions Provider as a Senior Specialist: Network Engineer in Johannesburg. This isnt just about keeping the lights on its about building and maintaining next-gen network infrastructure that drives innovation, resilience, and scalability. Youll play a key role in designing, implementing, and optimising 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, youll 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 & Optimisation 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 Analyse 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 Bachelors 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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About Other IT/Computer Jobs in Gauteng

The IT and computer industry is one of the most dynamic and growing sectors in Gauteng, with a thriving job market that offers a wide range of opportunities for career advancement.

In terms of salary ranges, IT professionals in Gauteng can expect to earn anywhere from R800 000 per annum for junior positions to over R2 million for senior executives. The average salary for software engineers is around R1.5 million, while data analysts can earn between R900 000 and R1.2 million. With experience and skills, IT professionals in Gauteng can expect significant salary increases, with some roles offering bonuses and benefits that can increase their overall remuneration.

To succeed in the IT industry in Gauteng, candidates need to possess a range of key skills, including programming languages such as Java, Python, and C++, as well as experience with databases, cloud computing, and cybersecurity. Strong problem-solving skills, attention to detail, and excellent communication skills are also essential for success in this field. Additionally, knowledge of ITIL (Information Technology Infrastructure Library) and Agile methodologies can be highly valued by employers.

Several major companies and industries in Gauteng are currently hiring IT professionals, including technology firms such as Microsoft, IBM, and Oracle, as well as banks and financial institutions like Standard Bank and Nedbank. The finance industry is also a significant employer of IT staff, with roles ranging from software development to data analytics and cybersecurity.

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Career growth opportunities are abundant in the IT industry in Gauteng, with many companies investing heavily in employee training and development programs. With experience and skills, IT professionals can move into senior leadership positions or start their own businesses, while also pursuing further education and certifications. The Johannesburg Stock Exchange (JSE) is also a significant employer of IT staff, with roles ranging from software development to data analytics and cybersecurity.

Overall, the IT industry in Gauteng offers a wide range of exciting career opportunities for job seekers with the right skills and experience. With salaries that are competitive with those offered by major companies globally, there has never been a better time to pursue a career in this dynamic and rapidly evolving field.


This information provides general career guidance. Actual salaries and requirements vary by employer.



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