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.

Columbia University
Skills you'll gain: Derivatives, Credit Risk, Securities (Finance), Financial Market, Portfolio Risk, Capital Markets, Risk Modeling, Risk Management, Portfolio Management, Financial Modeling, Mathematical Modeling, Probability Distribution, Computer Programming
★ 4.5 (33) · Intermediate · Course · 1 - 3 Months
National Taiwan University
Skills you'll gain: Global Positioning Systems, Telecommunications, Wireless Networks, Radiation Protection, Communication Systems, electromagnetics, Digital Communications, Electronic Systems, Geospatial Information and Technology, Electrical Power, Experimentation
★ 5 (26) · Beginner · Course · 1 - 3 Months

Technion - Israel Institute of Technology
Skills you'll gain: Engineering, Scientific, and Technical Instruments, Biomedical Technology, Materials science, Sensory Systems Analysis, Medical Devices, Semiconductors, Biomedical Engineering, Chemical and Biomedical Engineering, Electronics Engineering, Electronics, Laboratory Testing, Environmental Monitoring, Chemistry, Electronic Components, Manufacturing and Production, Manufacturing Processes
Mixed · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Tensorflow, Model Training, Model Optimization, Deep Learning, Distributed Computing, Data Pipelines
★ 4.8 (439) · Intermediate · Course · 1 - 4 Weeks

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Authentications, Cloud Security, Threat Management, Cybersecurity, Threat Detection, Security Awareness, Cyber Attacks, Exploitation techniques, Network Security, Vulnerability Assessments, Cloud Services, Cloud Computing, Vulnerability Management, Data Security, Human Factors (Security), Incident Response, Software As A Service
★ 4.7 (675) · Beginner · Course · 1 - 3 Months

Google Cloud
Skills you'll gain: Identity and Access Management, Cloud Infrastructure, Google Cloud Platform, Google App Engine, Cloud Deployment, Application Deployment, Load Balancing, Cloud Applications, Kubernetes, Cloud Computing, Cloud Management, Microservices, Virtual Private Networks (VPN), Cloud Security, Containerization, CI/CD, Infrastructure As A Service (IaaS), Cloud Engineering, Cloud Solutions, Cloud Computing Architecture
★ 4.8 (1.6K) · Intermediate · Specialization · 3 - 6 Months

LearnQuest
Skills you'll gain: Object-Relational Mapping, Java Platform Enterprise Edition (J2EE), Database Design, Data Access, Data Persistence, Java, Relational Databases, Data Mapping, Java Programming, JUnit, SQL, Query Languages, Software Versioning
★ 5 (13) · Intermediate · Course · 1 - 4 Weeks

KodeKloud
Skills you'll gain: Network Administration, DevOps, Software Development Tools, Networking Hardware, Network Troubleshooting, Command-Line Interface, Web Development, Cloud Applications, Development Environment, Virtualization and Virtual Machines, Network Routers, Virtual Machines, Virtual Environment, Virtualization, Dependency Analysis, Software Development
★ 4.7 (127) · Beginner · Course · 1 - 4 Weeks

Lund University
Skills you'll gain: Climate Change Programs, Climate Change Mitigation, Natural Resource Management, Climate Change Adaptation, Sustainable Development, Sustainable Systems, Energy and Utilities, Sustainable Design, Scientific Methods, Sustainable Technologies, Policy Analysis, Research, and Development, Transportation Operations, Environmental Policy, Governance
★ 5 (20) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Make.com, Email Automation, DeepSeek API, Deepseek, Agentic Workflows, AI Workflows, User Interface (UI), LLM Application, AI Orchestration, AI Integrations, Human Computer Interaction, No-Code Development, Retrieval-Augmented Generation, AI Product Strategy, Automation, Application Programming Interface (API), Workflow Management, Natural Language Processing, Prompt Engineering, Debugging
★ 4.1 (66) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Disaster Recovery, Star Schema, Business Continuity Planning, Cost Benefit Analysis, Database Design, Business Continuity, Data Infrastructure, Snowflake Schema, Database Architecture and Administration, Relational Databases, Data Warehousing, Data Modeling, Data Architecture, Data Validation, SQL, Terraform, Infrastructure as Code (IaC), Extract, Transform, Load, Business Analytics, Cost Management
Advanced · Specialization · 3 - 6 Months

University of Colorado Boulder
Skills you'll gain: Cost Estimation, Portfolio Risk, Cost Management, Financial Modeling, Estimation, Portfolio Management, Spreadsheet Software, Accounting, Wealth Management, Financial Planning, Risk Management, Financial Analysis, Investments, Cost Accounting, General Finance, Financial Management, Cash Flows
★ 4.7 (109) · Beginner · Course · 1 - 3 Months