Senior Principal Process Engineer

Stantec; Kemp Town Estate; Hybrid; GBP 70,000 - 90,000; Full time

Job summary

A leading global engineering firm is seeking a Senior Principal Process Engineer to drive major wastewater projects across England. The role requires extensive experience in the water industry, leadership skills, and a degree in Chemical/Process Engineering. You will mentor a team while ensuring project execution meets quality, cost, and schedule objectives. The firm offers competitive salaries, flexible work arrangements, and a collaborative culture.

Benefits

Competitive salary

Pension plan

Free private medical insurance

Discounted gym membership

Industry leading training and development

Qualifications

• Extensive experience in the water industry.
• Experience in a design and construction environment is beneficial.
• Ability to mentor and develop team members.

Responsibilities

• Lead technical execution of Wastewater projects from inception to construction.
• Guide Project Managers to ensure high-level project execution.
• Foster strong relationships across multidisciplinary teams.

Skills

Process calculations

Mass balance

Control philosophy

Commissioning

HAZOPs

P&ID development

Staff management

Leadership

Communication

Education

Degree in Chemical/Process Engineering or equivalent

Chartered Engineer status

Job description

Senior Principal Process Engineer – Wastewater

Ready to accelerate your career in the water sector? Join Stantec, a globally recognised leader and a top-tier strategic advisor to the industry. With the AMP8 cycle well underway and delivery intensifying, we are seeking a Senior Principal Process Engineer with extensive Wastewater experience to drive major projects across the South East. This pivotal role can be based in Brighton, Ashford, Kings Hill, or Southampton.

You will serve as a key strategic advisor to our clients, leading the technical execution of ground-breaking Wastewater projects from inception through to construction. Your expertise will be vital in guiding Project Managers, ensuring high-level execution that meets cost, schedule, and quality objectives. Beyond project delivery, you will be instrumental in mentoring and developing our regional team of Process Engineers and nurturing strong, collaborative relationships across our multidisciplinary teams.

We are looking for a candidate with a degree in Chemical/Process Engineering (or equivalent) and, ideally, Chartered Engineer status, with demonstrable experience in the water industry. You must possess technical mastery in key process skills, including process calculations, mass balance, control philosophy, commissioning, HAZOPs, and P&ID development. Experience in a design and construction environment is beneficial. Crucially, you need strong leadership, communication, and staff management skills to translate client needs into actionable solutions and foster a culture of continuous learning.

Stantec is dedicated to shaping the future of water and natural resources. Join us to make a real difference, working on some of the largest projects within the current AMP cycle.

Why Join us?

Why Join us?

Benefits

• Our People Culture: We're a close knit team and very proud of our friendly and collaborative environment
• Great Benefits: Competitive salary, pension plan, holidays, free private medical insurance, discounted gym membership and lots more.
• Flexible working arrangements
• Great Projects in all of our sectors across the UK&I
• Industry leading training and development as well as paid for professional subscriptions

Equal Opportunity Employment

Stantec provides equal employment opportunities to all qualified employees and applicants for future and current employment and 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. We prohibit discrimination in decisions concerning recruitment, hiring, referral, promotion, compensation, fringe benefits, job training, terminations or any other condition of employment. Stantec is in compliance with laws and regulations and ensures equitable opportunities in all aspects of employment. Building an inspired, inclusive work environment that attracts, supports, and develops world-class talent is a crucial key to our success.

If you are excited by this role but worry that your experience doesn't exactly align, we encourage you to apply.