Specialist Network Engineer - L3

ATS Client; Johannesburg; On-site; ZAR 900,000 - 1,400,000; Full time

Job summary

ATS Client is seeking a Specialist Network Engineer - L3 to design, implement, and maintain complex Cisco-based networks in Johannesburg. You will lead high-level troubleshooting, incident management, and project work, ensuring alignment with client expectations and industry standards.

The role requires extensive experience in routing, switching, security, MPLS/SD-WAN, and mentoring engineers. You will work across teams, contribute to design documents, and provide input to incident reports while

Qualifications

• Cisco CCNP certification is mandatory.
• CCIE is preferred but not mandatory.
• ITIL v3 Foundation is preferred but not mandatory.

Responsibilities

• Design, implement, and maintain network environments.
• Day-to-day support of customer network environments.
• Lead project and support work on Cisco networks.
• Troubleshoot high-level faults and update clients and stakeholders.
• Regularly update ticketing systems ServiceNow / Autotask with notes.
• Perform project-related duties for new and changing infrastructure deployments.
• Mentor and train less experienced engineers with escalations.
• Provide input to customer-facing Technical Incident Reports.
• Capture repeat faults and perform root cause analysis.
• Identify fault trends proactively.
• Work to industry-standard project methodologies.
• Develop and maintain low- and high-level designs.
• Test operability for migrations.
• Develop peer relationships with key suppliers.
• Collaborate with Team Leader on continual improvement programs.
• Provide technical consultancy across the business for opportunities.
• Provide feasible technical solutions without compromising commercial viability.
• Lead Engineer role for some clients when required.
• Stay up to date and accredited with current technologies.

Skills

Networking

Security

MPLS/SD-WAN

Troubleshooting

Wireshark

Incidents management

Education

National High School Senior Certificate

Graduate or qualified by experience

Job description

About the job Specialist Network Engineer - L3

Role Responsibilities

• Design, implement, and maintain Network environments.
• Day-to-day support of our customers Network environments.
• Ability to perform both project and support work on the Cisco Networks environments.
• Troubleshooting high-level technical faults and updating clients and stakeholders on progress.
• Regularly update The Company ticketing system Service Now / Autotask with quality notes.
• Perform project-related duties for new & changing infrastructure deployments required by clients.
• Assisting, mentoring, and training less experienced engineers with technical escalations and upskilling.
• Providing input to customer-facing Technical Incident Reports.
• Capturing repeat faults and undertaking root cause analysis.
• Proactive identification of fault trends.
• Working to industry-standard project methodologies.
• Development & maintenance of low-level and high-level designs.
• Development & testing of operability and supportability for new migrations.
• Development of peer relationships with key suppliers.
• Working closely with the Team Leader (TL) on continual improvement programs.
• Provide technical expertise to TL and assist with technical skills evaluation of other engineers.
• Work with the other departments to understand and share technical strategy.
• Complete customer Change Requests, impact & risk analysis, and implement out-of-hours if required.
• Provide technical consultancy to all other areas of the business to ensure the integrity, performance, and support of new opportunities that involve support.
• Find technical solutions to problems where necessary and practical, without compromising the commercial viability of a new product.
• Where required perform the Lead Engineer role for some of The Companys clients for support and projects.
• To stay up to date and accredited with the current technologies.

Qualifications

• National High School Senior Certificate (or equivalent)
• Graduate or qualified by experience
• Cisco CCNP - mandatory
• Cisco CCIE - preferred, but not mandatory
• ITIL v3 Foundation - preferred, but not mandatory

Experience

• Minimum 10 years of general IT support experience
• Minimum 8 years of dedicated networking/security experience
• Expert in designing, configuring, and troubleshooting routing, switching, security, and wireless
• Expert in designing, configuring, and troubleshooting MPLS and/or SD-WAN
• Deep in-depth knowledge of troubleshooting network environments
• Experience in managing major incidents in collaboration with Major Incident Management (MIM)
• Experience with Change Management
• Extensive experience with and knowledge of trace analysis, Wireshark & packet capture
• Experience in managing a Data Centre
• Extensive experience in putting together effort costs for project work