Location: We operate a hybrid working model, the role can be based at any of our offices combined with working from client locations and home. You will be required to travel to client offices 2 days a week.
Permanent full-time (40 hours)
Competitive salary plus benefits
We are seeking Principal Advisory Consultants to join a dynamic and growing team that provides strategic insight and delivery support to help clients navigate change, optimise performance, and achieve sustainable outcomes.
You will work across a range of projects and sectors, primarily in Water and Energy, supporting the delivery of Aqua’s five core advisory capabilities:
You’ll be supported through structured development, mentoring, and on-the-job learning, with opportunities to contribute to high-impact work from day one.
In this role, you will lead and deliver high-impact advisory projects, applying Aqua’s expertise to help clients navigate change, optimise performance, and achieve sustainable outcomes. Your responsibilities will include:
Degree in a related field (e.g. Engineering, Environmental Science, Geography, Economics, Business, Data Science, Sustainability) or relevant professional training or chartership.
To succeed in this role, you’ll bring a blend of technical expertise, consultancy skills, and leadership capability. Clients are at the heart of everything you do, and you’ll demonstrate the ability to constructively challenge accepted norms and always seek a better way.
What we can offer you:
Why Aqua Consultants?
We are a fast growing organisation with highly experienced staff at the heart of everything we do. We offer more than just a day job – Aqua offers very competitive salaries and a great working environment. You’ll be able to input into the development and growth of our business whilst we help you progress in your career.
Adler and Allan are committed to fostering diversity and inclusion in our workplace. We proudly embrace equal opportunities for all applicants, regardless of race, colour, religion, sex, sexual orientation, gender identity or national origin. If you require any support with your application, whatever the circumstance, please let us know.

Adler & Allan provides environmental and energy infrastructure services to reduce the risk of pollution, operational downtime, profit loss and reputation damage. Through the management and maintenance of assets, we support the ESG, CSR and sustainability ambitions of our customers.
Our national network of engineers make us the first-choice environmental partner to expertly manage assets through the full life-cycle, including design, planned preventative maintenance, upgrade, decommissioning and energy transition.
When the worst happens, we respond to environmental emergencies 24 hours a day, 365 days a year.