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.

Johns Hopkins University
Skills you'll gain: Social Network Analysis, Network Analysis, Graph Theory, R (Software), Social Sciences, Statistical Analysis, R Programming, Statistical Software, Sociology, Network Model, Statistical Modeling, Statistical Hypothesis Testing, Statistical Methods, Dependency Analysis
Intermediate · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: Vulnerability Scanning, Metasploit, Penetration Testing, Vulnerability Assessments, Cyber Security Assessment, Network Security, Vulnerability Management, Brute-force attacks, Exploitation techniques, Network Monitoring, Network Troubleshooting, Security Engineering, Network Analysis, Wireless Networks, Network Protocols, Data Manipulation
Advanced · Course · 1 - 4 Weeks

Cisco Learning and Certifications
Skills you'll gain: Network Performance Management, Network Monitoring, Network Administration, Network Troubleshooting, Network Support, General Networking, Event Monitoring, Network Security, Computer Networking, Network Infrastructure, Command-Line Interface, Software-Defined Networking, Application Programming Interface (API), System Configuration, Network Protocols, Security Controls, Configuration Management
Beginner · Course · 1 - 3 Months

EDUCBA
Skills you'll gain: Microsoft Azure, Network Troubleshooting, Network Security, Network Architecture, Virtual Networking, Network Administration, Wide Area Networks, IT Security Architecture, Hardening, Virtual Private Networks (VPN), Network Infrastructure, Network Routing, Border Gateway Protocol, Remote Access Systems
Intermediate · Course · 1 - 4 Weeks

Microsoft
Skills you'll gain: Network Troubleshooting, Microsoft Azure, Virtual Networking, Virtual Machines, Load Balancing, System Configuration, Cloud Security, Network Planning And Design, Network Security, Cloud Storage, Cloud Management, Data Storage, Data Security, Performance Tuning
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Routing Protocols, TCP/IP, Network Troubleshooting, OSI Models, Network Switches, Data Centers, Network Routers, Virtual Local Area Network (VLAN), Network Protocols, Network Security, Network Administration, General Networking, Network Routing, Virtualization and Virtual Machines, Computer Networking, Virtual Machines, Network Monitoring, Network Model, Network Support, Networking Hardware
Intermediate · Specialization · 3 - 6 Months

Skills you'll gain: Linux Commands, Linux Administration, Network Troubleshooting, Linux, Network Administration, Linux Servers, Virtual Networking, Network Infrastructure, Network Protocols, Virtualization and Virtual Machines, Command-Line Interface, System Configuration, Virtualization, General Networking, Remote Access Systems, Network Security, Software Installation
Beginner · Course · 1 - 4 Weeks

University of Michigan
Skills you'll gain: Failure Analysis, Engineering Practices, Biomedical Engineering, Ethical Standards And Conduct, Business Ethics, Systems Engineering, Engineering Design Process, Social Impact, Engineering, Case Studies, Human Factors Engineering, Software Engineering, Safety Assurance
Beginner · Course · 1 - 4 Weeks

Total Seminars
Skills you'll gain: OSI Models, Network Troubleshooting, Network Protocols, Local Area Networks, Network Model, TCP/IP, General Networking, Networking Hardware, Network Architecture, Computer Networking, Network Infrastructure, Network Switches, Network Monitoring, Hardware Troubleshooting, Network Analysis
Beginner · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Network Security, Role-Based Access Control (RBAC), Cybersecurity, Firewall, Network Monitoring, Authentications, Virtual Private Networks (VPN), Authorization (Computing), Intrusion Detection and Prevention, Identity and Access Management, Security Controls, Encryption, Group Policy
Beginner · Course · 1 - 3 Months

KodeKloud
Skills you'll gain: Cloud Engineering, Amazon CloudWatch, Amazon Elastic Compute Cloud, Failure Analysis, Site Reliability Engineering, Failure Mode And Effects Analysis, Test Engineering, Scenario Testing, Disaster Recovery, Cloud Infrastructure, AWS Identity and Access Management (IAM), Simulations, System Testing, Operational Databases
Beginner · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Biological Engineering, Markov Model, Molecular Biology, Biotechnology, Bioinformatics, Simulation and Simulation Software, Mathematical Modeling, Engineering Analysis, Mathematical Software, Process Engineering, Engineering Design Process, Systems Design, Simulations, Biochemistry, Molecular, Cellular, and Microbiology, Life Sciences, Failure Analysis, Electrical and Computer Engineering, Process Modeling, Differential Equations
Build toward a degree
Intermediate · Specialization · 3 - 6 Months