Network engineering courses can help you learn network design, troubleshooting, security protocols, and performance optimization. You can build skills in configuring routers and switches, implementing firewalls, and managing network traffic. Many courses introduce tools like Cisco Packet Tracer, Wireshark, and various network monitoring software, that support applying your skills in real-world networking environments.

Pearson
Skills you'll gain: Ansible, Software-Defined Networking, IT Automation, JSON, Automation, Infrastructure as Code (IaC), Application Programming Interface (API), Network Infrastructure, Restful API, Network Planning And Design, Extensible Languages and XML, Extensible Markup Language (XML), Configuration Management, Package and Software Management
Beginner · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Virtual Private Networks (VPN), Wide Area Networks, Network Architecture, Telecommunications, Networking Hardware, System Configuration, System Implementation
Beginner · Course · 1 - 3 Months

ISC2
Skills you'll gain: Network Security, Cybersecurity, Cyber Attacks, IT Security Architecture, Infrastructure Security, Threat Detection, Computer Networking, Data Centers, General Networking, Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Threat Management, Cloud Services, Data Security, Network Planning And Design, Firewall, Cloud Security, OSI Models, Network Protocols, Network Model
★ 4.7 (249) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, TCP/IP, Network Switches, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, General Networking, Network Routing, Network Troubleshooting, Network Administration, Computer Networking, Open Shortest Path First (OSPF), Network Monitoring, Dynamic Host Configuration Protocol (DHCP), Local Area Networks, Network Planning And Design, Border Gateway Protocol, Network Performance Management, Proxy Servers
★ 4.8 (14) · Intermediate · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Network Performance Management, Virtual Networking, General Networking, Google Cloud Platform, Computer Networking, Network Architecture, Network Infrastructure, Network Security, Network Routing, Firewall, System Configuration, Infrastructure Security, Security Controls, Security Software
★ 4.2 (17) · Beginner · Project · Less Than 2 Hours

Skills you'll gain: Data Centers, Network Security, Network Administration, Virtualization and Virtual Machines, Network Troubleshooting, Virtual Machines, Network Monitoring, Wide Area Networks, Virtualization, Wireless Networks, Firewall, Event Monitoring, Cloud Infrastructure, Hardening, IT Security Architecture, Network Infrastructure, Virtual Private Networks (VPN), TCP/IP, Cloud Computing, Information Technology Operations
★ 4.9 (11) · Advanced · Course · 1 - 3 Months

Skills you'll gain: Virtual Local Area Network (VLAN), Open Shortest Path First (OSPF), Network Routing, Network Switches, Routing Protocols, Network Routers, Network Architecture, Local Area Networks, Networking Hardware, Network Troubleshooting, Network Protocols, Network Security, System Configuration
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Routing Protocols, Network Security, Network Routing, TCP/IP, Network Administration, Open Shortest Path First (OSPF), Network Protocols, Network Switches, Virtual Local Area Network (VLAN), Network Monitoring, Firewall, Network Infrastructure, Network Troubleshooting, Border Gateway Protocol, Network Performance Management, Security Controls, Network Analysis, Authentications, Encryption
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Virtual Networking, Enterprise Architecture, Virtualization, Network Architecture, Network Planning And Design, Network Engineering, Virtual Private Networks (VPN), Virtual Machines, Network Infrastructure, Network Model, Wide Area Networks, Software-Defined Networking, Wireless Networks, Network Performance Management, Network Switches
★ 4.6 (7) · Intermediate · Course · 1 - 3 Months

Packt
Skills you'll gain: OSI Models, Computer Networking, Virtualization, Data Centers, Virtual Networking, General Networking, Network Architecture, Networking Hardware, Network Protocols, TCP/IP, Network Infrastructure, Local Area Networks, Network Model, Telecommunications
★ 4.8 (19) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, Network Protocols, Open Shortest Path First (OSPF), Virtual Local Area Network (VLAN), Network Infrastructure, TCP/IP, Border Gateway Protocol, Network Architecture, Network Engineering, General Networking, OSI Models, Wireless Networks, Network Routing, Network Troubleshooting, Network Administration, Network Switches, Local Area Networks, System Configuration
★ 4.3 (10) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Command-Line Interface, Network Troubleshooting, TCP/IP, Wireless Networks, Local Area Networks, System Support, Linux Commands, Desktop Support, Network Monitoring, Virtual Private Networks (VPN), Operating System Administration, Network Administration, Dynamic Host Configuration Protocol (DHCP), Hardware Troubleshooting, Network Infrastructure, General Networking, VPN Clients, Network Protocols, Remote Access Systems, Network Routers
Beginner · Course · 1 - 3 Months