Expression of Interest - Principal Mechanical Engineer - Water Sector

Stantec; Ashford; Hybrid; GBP 50,000 - 80,000; Full time

Job summary

An established industry player is seeking a Principal Mechanical Engineer to join their innovative team. This role offers the chance to work on impactful water sector projects while enjoying hybrid working arrangements. You will manage the entire project lifecycle, collaborate with multidisciplinary teams, and mentor junior engineers. The company values sustainability and community-centered design, providing a supportive environment for professional growth. With a competitive salary and flexible working options, this opportunity is perfect for those passionate about creating sustainable solutions in the water industry.

Benefits

Private Medical Insurance

Gym Discounts

Flexible Working Arrangements

Competitive Salary

Pension

Holidays

Professional Development Support

Qualifications

• Experienced Mechanical Engineer with a focus on sustainable solutions.
• Proficient in technical specifications and pump designs.

Responsibilities

• Manage project lifecycle from feasibility to construction support.
• Liaise with project managers and mentor junior team members.

Skills

Mechanical Engineering

Technical Specifications

Pump and Aeration System Design

Communication Skills

Water and Wastewater Treatment Processes

Education

Chartered Engineer with IMechE

Degree in Mechanical Engineering

Tools

3D Modeling Software

Piping & Instrumentation Diagrams

Job description

Expression of Interest - Principal Mechanical Engineer - Water Sector

Join to apply for the Expression of Interest - Principal Mechanical Engineer - Water Sector role at Stantec

Opportunity Overview

Are you an experienced Mechanical Engineer passionate about creating sustainable solutions? Join Stantec and help us address urgent climate, environmental, and efficiency challenges facing our communities.

This is an expression of interest ahead of AMP 8. We are open to speaking with Principal Mechanical Engineers interested in working in the South of England. Potential office locations include Brighton, Ashford, Kings Hill, London, Reading, or High Wycombe.

With hybrid working options, this role combines in-office and remote work, ideal for an experienced Mechanical Engineer seeking to advance their career within a leading consultancy, working on impactful water sector projects.

We collaborate with top water clients across the UK on major projects that support sustainable development and infrastructure, helping mitigate climate change effects.

Your responsibilities include managing the entire project lifecycle—from feasibility and design to construction support, site surveys, and investigations. You will liaise with project managers, technical leaders, design engineers, clients, contractors, and other stakeholders to ensure successful project outcomes. Additionally, you will mentor junior team members.

For more about our Water teams, visit Stantec Water.

Candidate Profile

• Experienced Mechanical Engineer, ideally Chartered with IMechE, with a background in water industry mechanical design.
• Proficient in producing and reviewing technical specifications, pump and aeration system designs, schedules, and reports. Familiar with collaborative planning, solutions design, and technical reviews.
• Ability to contribute to multidisciplinary design outputs, including General Arrangement Drawings, 3D models, and Piping & Instrumentation Diagrams.
• Strong communication skills for delivering technical presentations and participating in design discussions, safety reviews, HAZOPs, and ALMs. Capable of providing technical leadership and supporting junior engineers.
• Knowledge of water and wastewater treatment processes, with experience assessing existing infrastructure for mechanical design development. Candidates with experience in energy, infrastructure, or environmental sectors are also encouraged to apply.
• Aligned with our values of client focus, community-centered design, collaboration, and service excellence.

Why Join Us?

• Collaborative and friendly team environment.
• Award-winning firm recognized as the International Consulting Firm of the Year and Best Place to Work at the 2024 NCE Awards, and listed among the top sustainable companies globally.
• Competitive salary, pension, holidays, private medical insurance, gym discounts, and more.
• Flexible working arrangements.
• Exciting projects across various sectors in the UK&I.
• Industry-leading training, development, and professional subscription support.

Hear from our employees about life at Stantec: My Stantec Stories.

About Stantec

With over 31,000 employees across 450 locations on six continents, we have served UK clients for over 150 years. We design, deliver, and manage infrastructure that fosters sustainable, healthy, and prosperous communities.

Our solutions translate client visions into actionable plans and efficient designs, addressing today’s challenges while planning for a better future. We are committed to equal employment opportunities and fostering an inclusive, supportive work environment. If you’re excited about this role but feel your experience isn’t a perfect match, we encourage you to apply.

For accessibility support during the recruitment process, contact [e-mail].