Firewall Specialist -JHB

In brief

Overview Optimal Growth Technologies is seeking an experienced Firewall Specialist - JHB, who is a WAN, Check Point Firewall & Azure Networking Engineer. This role involves the design, implementation, administration, monitoring, troubleshooting, and optimization of enterprise network and security environments. The position requires strong hands-on experience across WAN technologies, Check Point firewalls, and Microsoft Azure networking, with a focus on network availability, performance, security, and resilience. What you will do * Design, configure and support enterprise WAN and LAN network environments. * Manage WAN connectivity, routing and network performance. * Troubleshoot complex network connectivity and performance issues. * Configure and manage routing protocols such as BGP and OSPF. * Monitor network availability, capacity and performance. * Work with service providers to resolve connectivity and circuit-related incidents. * Support network changes, upgrades and migrations. * Ensure network infrastructure meets availability, performance and security requirements. * Install, configure, administer and maintain Check Point firewalls. * Manage firewall policies, NAT, VPNs, access rules and security configurations. * Perform firewall rule reviews and optimisation. * Troubleshoot firewall and network security incidents. * Monitor firewall performance, logs and security events. * Implement security changes in accordance with change management processes. * Support high-availability firewall environments. * Ensure firewall configurations comply with organisational security standards. * Design, implement and support Microsoft Azure networking environments. * Configure and manage Azure Virtual Networks VNet, Subnets, Network Security Groups NSGs, Azure Firewall, Route Tables / UDRs, VPN Gateway, ExpressRoute, Load Balancers, Private Endpoints, VNet Peering. * Support hybrid connectivity between on-premises infrastructure and Azure. * Troubleshoot Azure network connectivity and routing issues. * Assist with Azure network migrations and cloud transformation initiatives. * Implement secure and scalable Azure network architectures. Requirements (from the original advert) * Strong hands-on experience with WAN technologies and enterprise networking. * Strong Check Point Firewall administration and troubleshooting experience. * Strong Microsoft Azure Networking experience. * Good understanding of TCP/IP, DNS, DHCP, VPN and network security. * Experience with BGP, OSPF and routing protocols. * Experience with network monitoring and troubleshooting tools. * Understanding of high availability and disaster recovery principles. * Experience supporting hybrid cloud environments. * Strong knowledge of network security principles and best practices. * Relevant degree, diploma or technical qualification in IT, Networking or a related field. * Check Point certification such as CCSA/CCSE would be advantageous. * Microsoft Azure networking certification such as AZ-700 would be advantageous. * Cisco certification such as CCNA/CCNP would be beneficial. * Strong analytical and troubleshooting skills. * Excellent problem-solving ability. * Strong communication and stakeholder management skills. * Ability to work under pressure in a production environment. * Strong documentation and reporting skills. * Ability to work independently and as part of a technical team. * Strong understanding of ITIL and change management processes. * Excellent attention to detail and security awareness. * 8+ years' experience in enterprise networking and infrastructure. * Proven experience supporting WAN environments. * Strong hands-on Check Point Firewall experience. * Strong experience with Azure Networking and hybrid cloud environments. * Experience working in large, complex enterprise environments is advantageous. Who should apply An experienced Firewall Specialist with a minimum of 8 years in enterprise networking and infrastructure, possessing strong hands-on expertise in WAN technologies, Check Point Firewalls, and Microsoft Azure Networking, especially within hybrid cloud environments. The ideal candidate demonstrates strong analytical, troubleshooting, and problem-solving abilities, along with excellent communication, stakeholder management, documentation, and reporting skills. They should be capable of working both independently and as part of a technical team under pressure, with a solid understanding of ITIL and change management processes, and a keen attention to detail and security awareness. Deadline Not specified Reference Original posting: https://www.myjobmag.co.za/job/firewall-specialist-jhb-optimal-growth-technologies-1 Source: myjobmag

Summary drafted with AI assistance from the original advert. The advert itself is the authority — how we use AI.

At a glance

• At least 8 years of experience.

• Azure

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Job description

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