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Johannesburg: Network Engineer – ISP Core & Access Networks posted by Sabenza IT & Recruitment

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Job Description

Job Purpose
Responsible for the design, implementation, maintenance, and optimisation of the ISPs core, aggregation, and access networks. The role ensures high availability, performance, scalability, and security across all network services within a service provider environment.

Key Responsibilities

  • Maintain and support ISP core and access network infrastructure
  • Configure and manage Layer 2 switching and VLAN environments
  • Implement and support dynamic routing protocols (BGP, OSPF)
  • Manage peering, transit, and upstream routing policies
  • Design and maintain IP addressing plans and IP allocations
  • Monitor bandwidth utilisation and plan capacity upgrades
  • Troubleshoot complex network incidents
  • Support client onboarding, migrations, and solution design
  • Maintain accurate documentation and follow change management processes
  • Participate in after-hours standby and emergency support


Requirements

Minimum Requirements
Qualifications

  • Grade 12
  • Relevant IT qualification (preferred)


Certifications

  • Cisco Certification (CCNP preferred)
  • MikroTik Certification
  • Security+ (advantageous)
  • Valid Drivers License

Experience

  • 5+ years in an ISP or service provider environment
  • Strong hands-on experience with switching, routing, IP networking, and bandwidth management

Key Competencies

  • Advanced knowledge of Layer 2 & Layer 3 networking
  • Strong troubleshooting and analytical skills
  • Ability to work under pressure
  • Detail-oriented and proactive
  • Strong communication skills

How to Apply

Click the green “Go Apply” button below to apply directly online with the employer.

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.

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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.

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.

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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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