About the position
?? Role Summary
The Network L3 Engineer acts as the technical SME, owning complex incidents, problem management, firewall governance, and continuous improvement for our clients premium network.
?? Key Responsibilities
- Lead L3 incident resolution and perform Root Cause Analysis (RCA)
- Design, review, and implement complex network and firewall changes
Act as SME for: - Cisco LAN/WAN & Wireless, SDWAN issues
- Cisco and Fortinet Firewalls (FortiGate)
- Perform advanced firewall troubleshooting - Policy optimization, NAT, VPN, and traffic flow analysis
- Use SolarWinds and Cisco DNA Center for proactive monitoring and assurance
- Drive problem management and preventive initiatives
- Maintain and improve runbooks, SOPs, and network documentation
- Support security audits, compliance checks, and customer reviews
- Coordinate with Cisco TAC and Fortinet TAC as required
- Mentor L2 engineers and provide technical guidance
- Participate in architecture reviews and network optimization discussions
?? Tools & Technologies - ServiceNow (ITSM, Problem & Change Management)
- Cisco WLC
- SolarWinds
- Cisco DNA Center
- Cisco Firepower / ASA
- Fortinet FortiGate Firewalls
- SDWAN Technologies
?? Required Skills - Strong expertise in Routing & Switching (OSPF, BGP, STP)
- Advanced Wireless design and troubleshooting
- Deep hands-on experience with Fortinet and Cisco firewall platforms
- Experience supporting premium / mission-critical enterprise networks
- Strong documentation and stakeholder management skills
- Employment Type: FTE
- Work Model: Fully Onsite
- Location: Johannesburg
?? Preferred Certifications - CCNA / CCNP (Enterprise or Security)
- Fortinet, SDWAN Certifications (preferred)
- ITIL Foundation
Desired Skills:
- * CCNA / CCNP (Enterprise or Security)
- Fortinet
- SDWAN Certifications (preferred)
- ITIL Foundation