Senior Network & System Engineer (ICT/ISP) - Johannesburg
Responsibilities:
Design, implement, and maintain complex network solutions, managing core network infrastructure including routers, switches, firewalls, Virtual Server Clusters, replication, and backup environments. Configure and troubleshoot BGP and OSPF routing protocols
Manage Juniper, Cisco, and Mikrotik devices efficiently
Manage and integrate Radius into core network environments
Manage Virtualisation environments and Firewall setups
Handle VoIP technologies, ensuring optimal performance of hosted VoIP infrastructure, including hosted PBXs
Provide rotation-based standby support, including after-hours support as required
Collaborate with other engineers to resolve network issues promptly
Monitor network performance and security
Will require a decent fibre internet connection which will be provided but will need to be located in an FNO coverage area
Qualifications:
CCNP or higher certification is mandatory
IT Degree would be beneficial
Expertise in Linux
Security certs would be beneficial (NSE or similar)
High-level proficiency in Mikrotik and Juniper devices
Required Experience:
A minimum of 6 years proven hands-on experience in networks in an ISP environment, strong routing and switching with advanced knowledge of BGP and OSPF protocols
Experience working in core network environments
Highly proficient in Linux
Highly proficient in virtualised environments
Strong knowledge of VoIP technologies
Excellent troubleshooting and problem-solving skills
Effective communication and collaboration abilities