In the pool and hot tub industry, a design engineer job involves functionings as an architect, planning the physical pool or hot tub construction design for clients. Before and during the project, designer engineers will most likely work closely with design consultants and construction teams. Pool and hot tub design engineer job descriptions include frequent client meetings, drafting construction plans, utilizing computer software to prepare blueprints, providing pertinent time and cost information, and preparing client presentations. Design engineerswork jobs are full-time with overtime hours as needed near project deadlines. These positions are typically in-person.