Networking
Network Engineer
Designs, configures and troubleshoots switched and routed enterprise networks.
Overview
Network engineers keep connectivity reliable: VLANs, routing, wireless, VPNs and performance troubleshooting. Vendor-neutral fundamentals followed by a vendor certification is the most common route.
Core skills
Network fundamentals
Networking
Addressing, routing, switching, DNS, DHCP and the OSI model.
Structured troubleshooting
IT support
Isolating faults methodically across hardware, OS and network layers.
Firewall administration
Security
Policy design, NAT, VPN and traffic inspection on enterprise firewalls.
Scripting and automation
DevOps
Automating repetitive operations with scripting and infrastructure as code.
Recommended certifications
Entry-level certifications
CompTIA Network+
CompTIA • N10-009 • Associate
Vendor-neutral fundamentals before vendor-specific configuration.
Intermediate certifications
Cisco Certified Network Associate
Cisco • 200-301 • Associate
The standard vendor certification for enterprise routing and switching.
Fortinet Certified Associate – FortiGate Administrator
Fortinet • FCA • Associate
Adds firewall, NAT and VPN configuration to core networking.