Senior Engineer Water Quality in London

Be part of this city within a city. Every year, millions of people travel through Heathrow. Joining our Engineering team means being at the heart of a complex operation whose size, scale and reputation for innovation are unique. We make sure the airport is always running smoothly and keep passengers and planes moving. Our team touches all aspects of airport life – from water to energy, rail to roads, baggage systems to runways. The scope and variety of what we do is vast, spanning mechanical, electrical, water, civil, rail and environmental disciplines. Together we are responsible for the performance of 500,000 assets worth £14bn. It means there are always a wide range of interesting development, construction and maintenance projects to get involved with. And a lot of ways to develop your skills, career and reputation. You’ll be part of a close-knit, driven team, taking on work that you can take real pride in and feel passionate about. It’s an exciting place to be, where every day, you’ll discover a world of fresh possibilities and you’ll be mentored by world-class experts every step of the way.

This is a senior technical leadership role with real influence. You’ll set strategy, manage risk and provide expert assurance across Heathrow’s potable, non‑potable and closed water circuit systems, working closely with operational teams and delivery partners across the entire business.

Your role will involve:

• Develop and maintain water quality strategies, maintenance strategies and operational procedures in line with Heathrow’s asset management framework.
• Manage key relationships with regulators and internal/external stakeholders requiring assurance of a safe and compliant water supply.
• Lead governance arrangements for Legionella and maintain effective relationships with stakeholders, identifying and addressing continuous improvement.
• Lead the management and improvement of closed water circuits (e.g. LTHW, CHW, condenser water), including treatment regimes, monitoring and system optimisation.
• Lead investigations into poor water quality or non‑compliance, identifying root cause and driving effective corrective actions.
• Provide assurance that water quality requirements are robustly applied across maintenance and capital projects.
• Communicate water quality risks clearly to the business and support operational teams in managing those risks.

These skills are essential:

• Degree in a relevant discipline or equivalent experience.
• Chartered or Incorporated status with UK bodies like the IMechE or CIBSE, or working towards completion in 12 months.
• Strong experience in water quality management.
• Proven ability to use data to assess risk, support asset decisions and develop business cases.
• Experience in regulated or safety‑critical environments (e.g. aviation, utilities, healthcare, transport).
• Experience working with water treatment specialists and regulatory bodies.
• Experience of working in a matrix organisation with multidisciplinary engineering teams.

Desirable skills:

• Experience in regulated or safety‑critical environments (e.g. aviation, utilities, healthcare, transport).
• Experience working with water treatment specialists and regulatory bodies.
• Experience of working in a matrix organisation with multidisciplinary engineering teams.

There’s something so special about working at the world’s most iconic airport. Its sights. Its sounds. Its constant air of excitement. Heathrow is an amazing backdrop to a career filled with unique opportunities. Every day, you’ll discover a world full of fresh possibilities and end the day buzzing with stories to tell, as you encounter people from all cultures, nationalities and experiences. A world full of pride for what we do and no end of exciting career prospects to explore. It brings out the best in all of us. And inspires everyone to deliver on our ambitious plans. Together, we’re working to welcome millions more passengers while ensuring aviation can continue to be a force for good by leading global efforts in sustainability. Join us on that journey and we'll help you achieve your ambitions too. Supporting you to learn, encouraging you to be yourself, backing you to achieve more than you might ever have imagined. Because there’s no place like Heathrow.

Our rewards:

We offer competitive salaries and excellent benefits that will support you now and in the future. As well as performance-based annual bonuses and our longer-term Share in Success Bonus plans, we also offer generous annual leave allowances and market-leading pensions. With family friendly policies, access to private health insurance and a wide range of wellbeing tools, we’ll support you to be at your best inside and outside work. And of course, we’ll provide varied learning and development opportunities too. Here you’ll find everything you need for a fulfilling career journey that can take you in exciting directions.

Working Location:

Our Hybrid working approach offers the opportunity for colleagues in some roles to work from home for an average of two days a week, providing the flexibility to work in an agile way whilst ensuring we deliver for the operational needs of Heathrow. Working arrangements vary from team to team and will be confirmed during the recruitment process. You’ll need to be based in the UK and within a commutable distance to Heathrow.

Sustainable Travel to work:

Heathrow’s Sustainable Travel Guide sets out easy and sustainable travel options that everyone can access.

Equal Opportunities:

As an equal opportunities employer, we encourage applications from all. We believe that diverse talent makes us stronger – not least because we welcome passengers from all corners of the globe, every single day. Heathrow is an accessible place to work. With five diversity networks, we champion inclusivity and celebrate individuality.