Whether you are an established technology professional or just breaking into the field, knowing which technical certifications are in highest demand can help you grow your career – and your income!. The following list of technical certifications highlight those that are expected to be in high demand in 2011. These results are based on analysis done by the technical recruiting and placement firm, Robert Half Technology and include factors such as hiring trends and feedback from CIOs and other senior executives at firms across the U.S. This list includes a brief overview of each technical certification and links to resources for learning more about them.