Principal Infrastructure EngineerLead Highway and Drainage Design Projects in ReadingYou''re an experienced engineer who wants greater ownership, varied schemes and the opportunity to influence how infrastructure design is delivered. In this Principal Infrastructure Engineer role, you''ll step into a position where your technical insight is valued, your ideas shape project outcomes, and you can progress confidently towards senior leadership.You''ll be joining a respected consultancy with a strong presence across Berkshire and the South, known for delivering high-quality engineering solutions and building long-term client partnerships. You''ll work within a supportive senior team that encourages autonomy, collaboration and continuous professional development. As the Principal Infrastructure Engineer, you will be leading and delivering highway and drainage design projects across residential, commercial and mixed-use developments. You''ll be handling feasibility, detailed design and technical approvals, providing technical assurance across all design outputs. You will coordinate with clients, local authorities and multidisciplinary teams, while mentoring junior engineers and ensuring compliance with UK standards and best practice. To excel as the Principal Infrastructure Engineer, you will bring solid experience in UK development infrastructure design, including highways (S38/S278) and drainage (S104/S106) works. You''ll be confident with design tools such as Civil 3D, MicroDrai