Hydro International is now proudly part of Tarmac, within the wider CRH Group combining specialist wastewater engineering expertise with the scale, stability and long-term opportunity of one of the UKs leading construction materials businesses.

With over 40 years of engineering excellence, Hydro International provides advanced water and wastewater solutions that help municipal and industrial customers improve performance, reduce environmental impact and protect communities from flooding and pollution.

Operating in more than 40 countries and supported by an international distribution network, Hydro plays a key role within CRH Infrastructure Products, leading the sector with innovative, sustainable and safety-first solutions.

This role sits within our UK Wastewater Services (UKWWS) team, supporting water utility companies by upgrading and improving sewage treatment sites across the UK.

The Role

We are looking for an experienced and qualified Mechanical Engineer to join our Nottingham-based team, supporting wastewater treatment projects nationwide.

This is a hands-on, site-based role where youll work across sewage and wastewater treatment sites throughout the UK, installing, commissioning and maintaining specialist water filtration and mechanical systems. The role involves regular working away from home, including overnight stays, along with occasional work within Hydro workshops across the UK.

If you enjoy practical engineering work, on-site problem-solving and travelling as part of a close-knit engineering team, this role offers genuine variety and long-term career potential.

What Youll Be Doing

• Installing, commissioning, setting up and testing water filtration and mechanical systems on wastewater and sewage treatment sites
• Carrying out site inspections, fault-finding and surveys to support quotation and project planning
• Accessing and interpreting technical instructions using mobile electronic devices
• Working at height, in confined spaces and outdoors on live wastewater sites
• Working away from home regularly, including overnight stays
• Supporting work within Hydro workshops across the UK when required
• Working collaboratively with engineers, technicians and other trades across the business
• Maintaining a strong focus on safety, quality and regulatory compliance at all times

About You

Youll be an experienced Mechanical Engineer who brings:

• A current, valid UK driving licence
• City & Guilds qualification (or equivalent)
• Completion of a recognised mechanical apprenticeship
• Experience working in industrial, utilities or heavy engineering environments
• Willingness to work outdoors, at height and in confined spaces
• A flexible approach to working away from home

Why Join Us?

As part of Tarmac and the CRH Group, youll benefit from secure, long-term employment, industry-leading safety standards and the opportunity to build a lasting engineering career on essential UK infrastructure projects.

Our benefits include:

• Competitive salary
• Discretionary annual bonus
• Overnight subsistence allowance
• Additional stay-away payments
• Life assurance 2 annual salary
• Pension scheme with employer contribution
• Company sick pay
• Minimum 23 days holiday plus bank holidays
• Flu vaccinations
• DSE eye tests
• Mental Health First Aiders and wellbeing support
• Ongoing training, qualifications and development opportunities
• Clear progression and advancement opportunities

What Hydro International (Part of Tarmac) Offers You

• A culture that values development, progression and internal promotion
• Continued investment in engineering capability and professional qualifications
• Opportunities to progress within Hydro, Tarmac and the wider CRH Group
• The chance to work on critical UK wastewater infrastructure where your skills make a real difference

Tarmac is committed to being a Forces-friendly employer. If youre transitioning from a military background, well support your move into a successful civilian engineering career.

Were proud to be part of CRH and to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for everyone. If you need any reasonable adjustments during the recruitment process, please let us know.

Ready to build your future?

Click Apply to get started. Please note: we sometimes close roles early due to high interest, so dont wait too long!

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Tarmac Trading Limited