A senior landscape architect is someone who holds a supervisory position in the field of landscape architecture. In this career, you plan and design the landscaping for outdoor parks, homes, recreational facilities, campuses, gardens, cemeteries, commercial centers, and other areas requiring a structured foundation for the outdoor environment. Your job duties as a senior landscape architect are to facilitate the creation of these spaces. You create the layout for the grounds, provide estimates for the cost of the of the project, and oversee the jobsite. Your responsibilities are also generally to monitor all aspects of the creation of the grounds to ensure that the crew follows the designs.