Java was the programming language of choice for many enterprise applications in the early 2000s. Java developers were in high demand and could command high salaries.
Databases were essential for many businesses in the early 2000s, and database administrators were responsible for keeping them up and running. Database administrators with skills in SQL and Oracle were in high demand.
Systems administrators were responsible for the day-to-day operations of computer systems and networks. Systems administrators with skills in Linux, Windows, and Cisco were in high demand.
Information security professionals with skills in firewalls, intrusion detection systems, and cryptography were in high demand.
Tech projects can be complex and challenging, so project managers are essential for ensuring that they are completed on time and within budget. Project managers with skills in Agile and waterfall methodologies were in high demand.
Business analysts bridge the gap between business and technology by gathering and analyzing business requirements. Business analysts with skills in UML and use cases were in high demand.