Sudur is a former Geotechnical Engineer with experience at leading UK design firms such as Atkins and A-squared Studio Engineers. His work included detailed substructure design—pad foundations, deep foundations, and retaining walls—for major infrastructure projects like East-West Rail, HS2, and nuclear power plants (Hinkley Point C, Sizewell C, Bradwell C). He also developed foundation schemes for tall buildings in congested urban areas across London, applying advanced numerical modelling techniques to deliver innovative solutions.