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.

Infosec
Skills you'll gain: Digital Forensics, File Systems, Microsoft Windows, grep, TCP/IP, Network Protocols, Data Security, File Management, Operating Systems, Data Structures, General Networking, Data Validation, File I/O, Record Keeping, Data Integrity, Data Storage, User Accounts, USB, Ethical Standards And Conduct, System Configuration
★ 4.7 (351) · Intermediate · Specialization · 3 - 6 Months

University of Pittsburgh
Skills you'll gain: Dental Radiography, Dental Procedures, Dentistry, Oral and Dental Care, Radiography, Periodontology, Dental Experience, Dental Care, Oral Health, Dental Instruments, Medical Terminology, Medical Office Procedures, Surgery, Pediatrics
★ 4.9 (17) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Salesforce, Business Process Automation, Agentic Workflows, Generative AI Agents, AI Orchestration, AI Workflows, Agentic systems, Automation, AI Product Strategy, Business Workflow Analysis, Process Optimization, AI Integrations, Customer experience improvement, Scalability
Intermediate · Course · 1 - 4 Weeks

University of Washington
Skills you'll gain: Social Media Analytics, Text Mining, Unstructured Data, Quantitative Research, Data Visualization, Statistical Analysis, Analysis, Data Presentation, Data Analysis, Statistical Methods, Data Mining, Analytics, Statistical Programming, Correlation Analysis, R (Software), Application Programming Interface (API), R Programming, Regression Analysis, Data Collection, Python Programming
★ 4.1 (298) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Linux, Linux Administration, Linux Commands, Linux Servers, Shell Script, Unix, Unix Shell, Systems Administration, Unix Commands, Command-Line Interface, Patch Management, Scripting Languages, Package and Software Management, Virtualization and Virtual Machines, File Systems, File Management, Data Storage, Security Controls, User Accounts, Authorization (Computing)
★ 4.7 (10) · Intermediate · Specialization · 3 - 6 Months

University of Minnesota
Skills you'll gain: Health Informatics, Health Technology, Telehealth, Interoperability, Clinical Informatics, Informatics, Electronic Medical Record, Health Information Management, Community Health, Healthcare Ethics, Data Sharing, Dental Informatics, Public Health, Data Ethics, Data Visualization, Medical Terminology, Graph Theory
★ 4.4 (314) · Mixed · Course · 1 - 3 Months

Cisco Learning and Certifications
Skills you'll gain: Key Management, Data Security, Cryptography, Encryption, Cybersecurity, Network Security, Cryptographic Protocols, Security Information and Event Management (SIEM), Network Monitoring, Information Assurance, Network Analysis, Intrusion Detection and Prevention, Security Controls, Event Monitoring, Continuous Monitoring, Threat Detection, Data Integrity
★ 4.8 (65) · Mixed · Course · 1 - 4 Weeks

IIT Bombay
Skills you'll gain: Internet Of Things, Network Protocols, Wireless Networks, Data Analysis, Communication Systems, Systems Design, Regression Analysis, Unsupervised Learning
★ 4.6 (84) · 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

University of Colorado System
Skills you'll gain: Distributed Denial-Of-Service (DDoS) Attacks, Intrusion Detection and Prevention, Role-Based Access Control (RBAC), AWS Identity and Access Management (IAM), Amazon Web Services, Amazon Elastic Compute Cloud, Identity and Access Management, Cloud Computing, User Provisioning, Security Controls, Cloud Management, Malware Protection, Cloud Infrastructure, Cloud Security, Security Engineering, Authorization (Computing), Network Security, Hardening, Cryptographic Protocols, Cybersecurity
★ 4.5 (658) · Beginner · Specialization · 3 - 6 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

Skills you'll gain: Audit Planning, Service Level Agreement, Data Governance, Systems Development Life Cycle, Data Loss Prevention, Security Testing, Network Security, Software Development Life Cycle, IT Management, Systems Development, Incident Management, IT General Controls (ITGC), Problem Management, Control Objectives for Information and Related Technology (COBIT), Cryptography, Cloud Management, Generally Accepted Auditing Standards, Software Development Methodologies, Auditing, Internal Controls
★ 4.7 (68) · Intermediate · Specialization · 3 - 6 Months