Network administration courses can help you learn network design, configuration, security protocols, and troubleshooting techniques. You can build skills in managing network hardware, optimizing performance, and ensuring data integrity. Many courses introduce tools such as Cisco routers, firewalls, and network monitoring software, that support implementing effective network solutions and maintaining system reliability.

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

Skills you'll gain: Patient Coordination, Care Coordination, Follow Through, Patient Registration, Setting Appointments, Medical Records, Record Keeping
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Job Control Language (JCL), z/OS, Unix, IBM DB2, Database Management Systems, Mainframe Computing, Unix Shell, Operating System Administration, System Programming, Operating Systems, Unix Commands, System Software, Mainframe Technologies, Data Management, Data Storage Technologies, File Systems, Data Storage, System Configuration, File Management, Transaction Processing
★ 4.8 (378) · Intermediate · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Criminal Investigation and Forensics, Statistical Reporting, Court Systems, Legal Proceedings, Laboratory Reports, Scientific Methods, Investigation, Statistical Analysis, Probability & Statistics, Research, Technical Communication, Case Studies, Molecular Biology, Verification And Validation
★ 4.9 (531) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Enterprise Sales, Consultative Selling, B2B Sales, Selling Techniques, Stakeholder Engagement, Consultative Approaches, Prospecting and Qualification, Sales Process, Stakeholder Management, Specialized Sales, Sales, Stakeholder Analysis, Sales Strategy, Sales Pipelines, Influencing
Beginner · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: LangGraph, AI Orchestration, AI Workflows, CrewAI, Agentic Workflows, Model Deployment, Generative AI Agents, Artificial Intelligence and Machine Learning (AI/ML), Agentic systems, Responsible AI, Software Architecture, Application Deployment, Systems Architecture, System Design and Implementation, Communication Systems, Safety and Security, System Monitoring, Scalability, Continuous Monitoring
Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Incident Management, Remote Access Systems, Cyber Security Policies, Incident Response, Security Management, Computer Security Incident Management, Data Security, Vulnerability Assessments, Law, Regulation, and Compliance, Threat Detection, Security Strategy, Cybersecurity, Security Controls, Cyber Security Assessment, Security Software, Vulnerability Management, Infrastructure Security, Computer Security Awareness Training, Telecommuting
★ 4.9 (8) · Beginner · Specialization · 1 - 3 Months

Johns Hopkins University
Skills you'll gain: Rmarkdown, Data Visualization, Statistical Visualization, R (Software), Data Import/Export, Data Visualization Software, R Programming, Tidyverse (R Package), Statistical Reporting, Data Manipulation, Data Wrangling, Data Processing, File Management, Software Installation
★ 4.7 (309) · Beginner · Course · 1 - 4 Weeks

Princeton University
Skills you'll gain: Theoretical Computer Science, Data Structures, Computer Science, Computer Architecture, Computer Systems, Algorithms, Computer Programming, Computational Logic, Java Programming, Computer Hardware, Scalability
★ 4.7 (765) · Intermediate · Course · 1 - 3 Months

Palo Alto Networks
Skills you'll gain: Cloud Security, Cloud-Native Computing, Cloud Computing Architecture, Infrastructure Security, DevSecOps, Cloud Computing, Cloud Deployment, Cloud Technologies, IT Security Architecture, Application Security, Cloud Infrastructure, Network Security, Cloud Services, Data Security, Docker (Software), Software As A Service, Hybrid Cloud Computing, Containerization, Data Centers, Vulnerability Scanning
★ 4.7 (151) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Network Protocols, TCP/IP, General Networking, Network Monitoring, Network Security, Network Analysis, Web Servers, Linux, Software Installation
★ 4.6 (146) · Beginner · Guided Project · Less Than 2 Hours

Skills you'll gain: Web Content Accessibility Guidelines, Test Automation, Usability, Human Centered Design, Test Tools, Usability Testing, User Experience Design, Software Testing, CI/CD
Advanced · Course · 1 - 4 Weeks