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.

Whizlabs
Skills you'll gain: Network Security, Virtual Private Networks (VPN), Microsoft Azure, Firewall, Network Engineering, Network Administration, Virtual Networking, Application Security, Remote Access Systems, Cloud Security, Identity and Access Management, Infrastructure Security, Web Applications, Load Balancing
Intermediate · Course · 1 - 4 Weeks

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: Network Troubleshooting, OSI Models, Network Model, TCP/IP, Network Support, Networking Hardware, Local Area Networks, Network Protocols, Network Planning And Design, General Networking, Telecommunications, Network Architecture, Network Infrastructure, Network Engineering, Computer Networking, Hardware Troubleshooting, Network Switches
Beginner · Course · 1 - 3 Months

Skills you'll gain: TCP/IP, OSI Models, General Networking, Networking Hardware, Computing Platforms, IT Automation, Network Administration, Network Model, Computer Networking, Network Engineering, Network Infrastructure, Scripting, Network Protocols, Restful API, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: TCP/IP, Network Routers, Network Routing, Network Security, Network Engineering, Remote Access Systems, Network Administration, Network Protocols, Network Infrastructure, Network Troubleshooting, Network Switches, System Configuration
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Firewall, Ubuntu, Network Monitoring, TCP/IP, Networking Hardware, Data Storage, Network Protocols, Network Troubleshooting, Unix, General Networking, Linux, Network Support, File Systems, Linux Administration, Unix Commands, Computer Networking, Unix Shell, Command-Line Interface, Data Storage Technologies, Shell Script
Beginner · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Public Key Infrastructure, Cybersecurity, Information Systems Security, Data Security, Cyber Attacks, Information Assurance, Network Security, Risk Management Framework, Security Controls, Cryptography, Cryptographic Protocols, Key Management, Security Engineering, Threat Modeling, Security Management, Authorization (Computing), Encryption, Email Security, Data Integrity, Authentications
Intermediate · Course · 1 - 4 Weeks
Georgia Institute of Technology
Skills you'll gain: Software-Defined Networking, Virtual Networking, Virtualization, Virtual Machines, Cloud Infrastructure, Network Architecture, Network Infrastructure, Computer Networking, Cloud Computing, Cloud Deployment, Network Performance Management, Firewall, Performance Tuning, Hardware Architecture, Network Routing, Scalability
Mixed · Course · 1 - 3 Months

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Security, Firewall, Ansible, Network Performance Management, Network Infrastructure, Network Protocols, Security Controls, Event Monitoring, Puppet (Configuration Management Tool), IT Automation, Chef (Configuration Management Tool), Real Time Data, JSON, Automation, Identity and Access Management, Restful API, Application Programming Interface (API)
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Cryptographic Protocols, Network Security, Encryption, OSI Models, IT Security Architecture, Network Performance Management, Network Architecture, General Networking, Network Planning And Design, Communication Systems, Remote Access Systems, TCP/IP, Network Infrastructure, Network Protocols, Wireless Networks, Virtual Private Networks (VPN), Virtual Networking, Endpoint Security, Cloud Security, Software-Defined Networking
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Architecture, Network Planning And Design, Network Security, Virtual Networking, Google Cloud Platform, General Networking, Computer Networking, Cloud Infrastructure, Network Infrastructure, Network Troubleshooting, Network Routing, Network Analysis, Load Balancing, Scalability
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Network Troubleshooting, Network Monitoring, Network Planning And Design, Event Monitoring, Network Engineering, Virtual Networking, Google Cloud Platform, Network Performance Management, Network Architecture, Security Management, Cloud Infrastructure, Virtual Private Networks (VPN), Cloud Security, Network Administration, Cloud Computing Architecture, Network Infrastructure, Hybrid Cloud Computing, Cloud Management, Computer Networking, Firewall
Advanced · Course · 1 - 3 Months