As a Principal Process Engineer, you will provide expert technical leadership across a broad portfolio of wastewater projects. You''ll guide multidisciplinary design teams, influence strategy, and ensure the delivery of robust, efficient and sustainable engineering solutions.Working closely with Project Design Leads, delivery partners and stakeholders, you will challenge traditional approaches, promote digital design, and drive whole-life value into every project.This is a senior, influential role where your technical decisions will shape how Southern Water delivers water treatment solutions now and, in the future.What you will be responsible for:Technical Leadership Lead process design across multiple wastewater schemes, providing expert guidance and approvals. Oversee key technical deliverables, resolve complex issues, and ensure quality, compliance, and value for money.Safety and Sustainability Promote a strong safety culture, develop risk assessments, and ensure designs meet CDM, environmental, and sustainability standards.Innovation and Improvement Drive continuous improvement by challenging existing practices, adopting industry best practice, and championing digital design and standardisation.People Leadership Support, mentor, and develop junior engineers, contribute to recruitment, and foster a culture that encourages innovation and collaboration.Financial and Commercial Assist with business case development, manage design budgets, and influence stakeholders to secure ..... full job details .....