L3 Network Support Engineer
Paracon · Braamfontein (Braampark) · R Undisclosed
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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