Information retrieval courses can help you learn search algorithms, indexing techniques, and data mining strategies. You can build skills in evaluating search results, optimizing query performance, and understanding user intent. Many courses introduce tools like Elasticsearch, Apache Solr, and various machine learning libraries, showing how these technologies enhance information retrieval processes and improve the accuracy of search results.

Skills you'll gain: Incident Response, Vulnerability Assessments, Vulnerability Management, Cyber Threat Intelligence, MITRE ATT&CK Framework, Cyber Security Strategy, Cybersecurity, Endpoint Detection and Response, Intrusion Detection and Prevention, Security Testing, IT Security Architecture, Cyber Attacks, Security Information and Event Management (SIEM), Cyber Engineering, Patch Management, Network Security, Malware Protection, Security Management, Digital Forensics, Risk Analysis
Intermediate · Specialization · 1 - 3 Months

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

Johns Hopkins University
Skills you'll gain: Epidemiology, Public Health, Public Health and Disease Prevention, Health Policy, Health Informatics, Biostatistics, Infectious Diseases, Health Information Management, Program Evaluation, Descriptive Analytics, Statistical Methods
Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Operations Management, Organizational Strategy, Operations, Manufacturing Operations, Operational Analysis, Inventory Management, Business Operations, Inventory Control, Supply Chain, Business Administration, Process Analysis, Inventory and Warehousing, Operational Efficiency, Decision Making, Strategic Decision-Making, Business Strategies, Process Management, Cost Benefit Analysis, Demand Planning, Service Level
Build toward a degree
Intermediate · Course · 1 - 4 Weeks

University of Lausanne
Skills you'll gain: Balance Sheet, Income Statement, Cash Flows, Financial Accounting, Cash Management, Financial Statements, Accounting, Financial Statement Analysis, Accruals, General Accounting, Accrual Accounting, Financial Reporting, Financial Analysis, Standard Accounting Practices, Profit and Loss (P&L) Management, Corporate Finance
Beginner · Course · 1 - 3 Months
University of Pennsylvania
Skills you'll gain: Self-Awareness, Research, Personal Development, Higher Education, Planning, Strategic Planning, Decision Making, Organizational Skills
Beginner · Course · 1 - 3 Months

Packt
Skills you'll gain: Cloud Computing Architecture, Cloud Infrastructure, Cloud Deployment, Cloud Security, Cloud Computing, Incident Response, IT Security Architecture, Cloud Management, Cloud Solutions, Cloud Engineering, Incident Management, Cloud Services, Disaster Recovery, Cloud Standards, Capacity Management, Virtual Networking, IT Automation, Network Troubleshooting, System Monitoring, Capacity Planning
Intermediate · Specialization · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Business Workflow Analysis, Business Analysis, Analytics, Data Preprocessing, Data Analysis, Data-Driven Decision-Making, Descriptive Analytics, Data Presentation, Business Solutions, Python Programming
Build toward a degree
Beginner · Course · 1 - 4 Weeks

Johns Hopkins University
Skills you'll gain: MITRE ATT&CK Framework, Penetration Testing, Exploitation techniques, Mobile Security, Vulnerability Scanning, Cybersecurity, Security Testing, Application Security, Network Security, Vulnerability Assessments, Web Applications, Wireless Networks, Network Protocols
Intermediate · Course · 1 - 3 Months

University of Colorado Boulder
Skills you'll gain: Control Systems, Mathematical Modeling, Engineering Analysis, Differential Equations, Systems Analysis, Electrical Systems, Mechanics, Systems Thinking, Applied Mathematics, Performance Testing, Integral Calculus, Basic Electrical Systems
Build toward a degree
Intermediate · Course · 1 - 3 Months

Skills you'll gain: Microservices, System Design and Implementation, Requirements Analysis
Intermediate · Course · 1 - 3 Months
Johns Hopkins University
Skills you'll gain: Systems Thinking, Health Systems, Health Policy, Public Health, Policy Analysis, Policy Development, Public Health and Disease Prevention, Simulations, Systems Analysis, Data Analysis Software
Mixed · Course · 1 - 4 Weeks