Senior Principal Process Engineer - Water

Opportunity

Stantec, a globally recognized leader in water sector consulting, is looking for a Senior Principal Process Engineer with extensive wastewater experience to drive major projects across South East England. The role can be based in Brighton, Ashford, Kings Hill, or Southampton.

• Act as a key strategic advisor to clients, leading the technical execution of groundbreaking wastewater projects from inception to construction.
• Guide and mentor project managers, ensuring high‑level execution that meets cost, schedule and quality objectives.
• Develop and refine process engineering designs, including calculations, mass balance, control philosophy, commissioning, HAZOPs and P&t.
• Mentor and develop the regional team of Process Engineers, fostering a culture of continuous learning.
• Collaborate with multidisciplinary teams to deliver integrated project solutions.

• Degree in Chemical or Process Engineering (or equivalent) and preferably Chartered Engineer status.
• Demonstrable experience in the water industry, particularly wastewater projects.
• Technical mastery in process calculations, control philosophy, commissioning, HAZOPs and P&t.
• Experience in a design and construction environment is beneficial.
• Strong leadership, communication and staff‑management skills.

• Competitive salary, pension plan, holidays and free private medical insurance.
• Discounted gym membership and flexible working arrangements.
• Industry‑leading training and development opportunities and paid professional subscription support.
• Opportunity to work on the largest projects within the current AMP cycle.

Stantec provides equal employment opportunities to all qualified employees and applicants for future and current employment. We prohibit discrimination on the grounds of race, colour, religion, sex, national origin, age, marital status, genetic information, disability, sexual orientation, gender identity, or gender expression. Stantec is in compliance with laws and regulations and ensures equitable opportunities in all aspects of employment.