Operating system courses can help you learn process management, memory allocation, file systems, and user interfaces. You can build skills in troubleshooting system errors, optimizing performance, and implementing security protocols. Many courses introduce tools like Linux, Windows, and virtualization software, illustrating how these skills are applied in real-world environments.

Skills you'll gain: Bank Regulations, Financial Statements, Financial Statement Analysis, Financial Systems, Banking, Financial Market, Financial Analysis, Financial Regulations, Capital Markets, Financial Reporting, Balance Sheet, Asset Management, Financial Management, Risk Management Framework, Risk Management, Market Liquidity, Performance Analysis, Cash Flows
★ 4.9 (13) · Mixed · Course · 1 - 4 Weeks

Skills you'll gain: HVAC, Building Services Engineering, Building Codes, Thermal Management, Energy and Utilities, Engineering, Scientific, and Technical Instruments, System Requirements, Process Control, Control Systems, Safety Standards, Equipment Design, Mechanical Engineering, Environmental Monitoring, Mechanical Design, Sustainability Standards, Engineering Calculations
★ 4.8 (36) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Jenkins, CI/CD, Continuous Integration, Version Control, Git (Version Control System), Continuous Deployment, Java Programming, Java, Data Validation, Application Development, Application Design, Object Oriented Programming (OOP), Software Architecture, Data Modeling
Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Threat Modeling, Data Visualization, Data Presentation, AI Security, Interactive Data Visualization, A/B Testing, Threat Management, Open Web Application Security Project (OWASP), Secure Coding, Application Security, Responsible AI, System Monitoring, MLOps (Machine Learning Operations), Analytics, Data Governance, Application Programming Interface (API), Vulnerability Assessments, Cyber Governance, Data Processing, Data Management
Intermediate · Course · 1 - 3 Months

Skills you'll gain: User Accounts, Operating System Administration, Unix, Systems Administration, File Systems, User Provisioning, System Monitoring, Unix Commands, System Configuration, Identity and Access Management, Performance Tuning, Data Storage
★ 4.8 (8) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: HVAC, Fire And Life Safety, Building Services Engineering, Pump Stations, Building Codes, Equipment Design, Thermal Management, Hydraulics, Mechanical Ventilation, Facility Repair And Maintenance, Mechanical Design, Safety Standards, Energy and Utilities, Health And Safety Standards, Control Systems, Mechanical Engineering, Engineering, Scientific, and Technical Instruments, System Requirements, Building Design, Engineering
★ 4.5 (113) · Intermediate · Specialization · 3 - 6 Months

★ 5 (13) · Intermediate · Course · 1 - 4 Weeks

Skills you'll gain: Application Design, Health Technology, Computer Hardware, Data Security, Automation, Cloud Applications, Business Technologies, Application Frameworks, Continuous Monitoring, AI Integrations, Scalability, Predictive Modeling
★ 4.1 (8) · Beginner · Course · 1 - 4 Weeks

Northeastern University
Skills you'll gain: Health Systems, Patient-centered Care, Healthcare Industry Knowledge, Health Care Administration, Health Care Procedure and Regulation, Health Administration, Health Care, Primary Care, Health Policy, Health Disparities, Health Equity, Consumer Behaviour, Cultural Diversity, Diversity Awareness, Policy Analysis, Trend Analysis
Beginner · Course · 1 - 4 Weeks

Council on Foreign Relations
Skills you'll gain: Public Affairs, Policy Development, Policy Analysis, Research, and Development, Security Awareness, Crisis Management
★ 4.3 (6) · Beginner · Course · 1 - 3 Months

Skills you'll gain: Frontend Integration, Spring Boot, Configuration Management, API Gateway, JUnit, Java Programming, Enterprise Application Management, Java, Test Tools, Unit Testing, Application Programming Interface (API), Development Testing, Software Design Patterns, Authentications
Advanced · Course · 1 - 4 Weeks

Skills you'll gain: Authentications, OAuth, Android Development, Application Security, Mobile Security, Secure Coding, Authorization (Computing), Security Controls, Multi-Factor Authentication, Human Factors (Security), Vulnerability Management, Malware Protection, Threat Management, Data Integrity, Risk Management, Debugging
Mixed · Course · 1 - 4 Weeks