Engineer, technologist, technician, applied scientist, industrial mathematician, I don't care less what silly name you have, as long as you are competent to do the task performing. Research the available industry manuals and research papers, think about potential modes of failure, and design taking into consideration both end performance of the finished product, performance during fabrication and construction, and during future maintenance operations.
And as an aside :
- What is the text book used on cable-nets and tension membranes as part of a B.Eng in civil engineering, and how many real hours do they spend studying such things?
- What is the text book used for plates and shells, and diaphragms used as part of a B.Eng in civil engineering and once again how many real hours do they spend studying such things?
Did the people who wrote the papers on the design of reinforced concrete tanks have 3 years B.Sc's or 4 year B.Eng's? How many hours did those with 3 year B.Sc's spend reading and working through such papers to put the theory to use to design and have constructed real concrete tanks?