1. Chief Information Security Officer (CISO): 
Security Architect, Penetration Tester, and Security Consultant are among the cybersecurity roles.
Reason: 
There is a strong need to defend systems and sensitive data from online attacks.

2. Big Data Analyst, Machine Learning Engineer: 
Data Scientist and Data Engineer are among the roles in data science and analytics.
Reason: 
Decision-making across sectors is becoming more and more dependent on data.

3. Cloud Computing Positions: 
DevOps Engineer, Cloud Engineer, and Cloud Solutions Architect.
Reason: 
The requirement for scalable IT infrastructure and the increasing use of cloud services.

4. Machine learning (ML) and artificial intelligence (AI) roles: 
ML and AI Architect, AI Research Scientist, and ML Engineer.
Reason: 
The quick development of AI technology and the range of industries in which they are used.

5. Roles in Software Development: 
Full-Stack Developer, Mobile App Developer, Solutions Architect, Software Engineer.
Reason: 
The ongoing need for cutting-edge apps and software solutions.

6. Blockchain Technology Positions: 
Cryptocurrency Analyst, Blockchain Solution Architect, and Blockchain Developer.
Reason: 
Growing interest in decentralized apps and safe transactions with blockchain

7. Chief Technology Officer (CTO), IT Director: 
IT Project Managers are among the roles in IT management and strategy.
The rationale is that technological direction and implementation are driven by leadership and strategic roles.

8. Network Architect, Network Engineer:
Telecommunications Managers are among the roles in networking and telecommunications.
Justification: 
Plays a crucial part in preserving and enhancing network infrastructure.

9. Roles in Enterprise Architecture: 
IT Architect, Solutions Architect, and Enterprise Architect.
Reason: 
High-level planning and IT strategy alignment with business objectives.

Conclusion:
Since these IT professions require specific knowledge, are in great demand, and are vital to today's businesses and technological infrastructure, they are recognized for paying some of the highest wages.