Senior Network & Security Engineer
Paracon - Gauteng · Midrand, Gauteng
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Duties & Responsibilities
Senior Network & Security Engineer
Job Purpose The Senior Network & Security Engineer is responsible for designing, implementing, securing, maintaining and supporting enterprise network and security infrastructure. The role requires strong hands-on technical expertise across networking, firewalls, cloud connectivity and cybersecurity, together with the ability to troubleshoot complex technical issues and provide high-level technical guidance.
Key Responsibilities
- Network Engineering & Infrastructure
- Design, implement, configure and maintain enterprise network infrastructure.
- Provide advanced troubleshooting and technical support for complex network-related incidents.
- Perform network infrastructure audits and identify areas for improvement.
- Configure and maintain routers, switches, wireless infrastructure and associated network technologies.
- Plan and implement network changes, upgrades and infrastructure improvements.
- Monitor network performance, availability and capacity.
- Perform network maintenance, optimisation and lifecycle management.
- Develop and maintain network documentation, standards and technical procedures.
- Assist with the design and implementation of resilient and highly available network solutions.
The ideal candidate should have strong experience in several of the following areas:
Networking • Enterprise LAN/WAN • Routing and switching • TCP/IP • VLANs • Network protocols • Network troubleshooting • Network infrastructure design • Network monitoring • Network security
Security • Fortinet • FortiGate • FortiManager • FortiAnalyzer • FortiWeb • Firewall administration • Firewall policy management • VPN • Security controls • Security auditing • Security incident response
Cisco • Cisco routers • Cisco switches • Cisco security technologies • Cisco network administration
Additional Technologies • F5 BIG-IP administration • MikroTik • Network monitoring and management tools • Infrastructure auditing • Security standards and frameworks • Qualifications & Certifications
Relevant qualifications and certifications may include : • CCNA • CCNP Enterprise • Cisco Certified Specialist - Enterprise Advanced Infrastructure Implementation • Cisco Certified Specialist - Enterprise Core • Cisco Certified Specialist - Security Core • Fortinet NSE 4 &5 & 6 & 7 • Fortinet Application Delivery Fundamentals • F5 BIG-IP / F5 Administration certification • MikroTik MTCNA • Juniper JNCIA • IT Systems Support / A+ or equivalent
Experience Minimum 5-8 years' experience in network engineering, network infrastructure and/or network security. Ideal Candidate Profile
The ideal candidate is a senior-level Network and Security Engineer with strong hands-on enterprise networking and cybersecurity experience. They should have a solid Cisco foundation, extensive firewall and security knowledge-particularly Fortinet-and the ability to troubleshoot and resolve complex infrastructure issues.
A candidate with CCNP-level networking expertise, Fortinet certifications, Azure networking experience and strong firewall/security administration experience would be particularly well suited to this role.