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Mechanical Supervisor

Job details
Posting date: 28 August 2025
Hours: Full time
Closing date: 11 September 2025
Location: SL9 0BG
Company: Kier Group
Job type: Permanent
Job reference: 8080

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Summary

We're looking for a Mechanical Supervisor to join our Natural Resources team, working on projects in the Thames Valley region (North). In this role you'll supervise and control all mechanical site activities.



Location: Working from sites within the north Thames region valley (Forrest Hill, Sonning Common, Grendon Underwood) Contract: Permanent, Full Time - flexible and part time hours may be available if desired, just let us know



Responsibilities

We're looking for a Mechanical Supervisor to join our NRNN business unit. You'll supervise and control all mechanical site activities, ensuring compliance with Kiers health and safety standards are met at all times and checking that sub-contractors are working to approved designs and test documents. This work is with Thames Water on their sewage treatment Waste Asset Assurance Programme (WAAP), for new and existing infrastructure assets (below ground) and non-infrastructure assets (above ground).

Your day to day will include:

-Supporting the Site Manager in maintaining a safe working environment for all employees, supply chain partners and visitors.

-Reviewing and commenting on Method Statements and Work Instructions as required by the Project Execution Plan.

-Supporting the development of commissioning documentation on a continuous basis. Including outage management plans.

-Supervising work to ensure that it is carried out in accordance with Method Statements and Work Instructions

-Reviewing and signing off project ITPs, ensuring that they are managed through Kier's common data environment.

What are we looking for?This Mechanical Supervisor is great for you if you have:

-Proven experience in the Water Industry with competent judgement and problem-solving skills

-Relevant CSCS Card

-NVQ/BTEC Level 3 in Mechanical installations

-Good working knowledge of sewage and water treatment processes, systems, and typical M&E plant / equipment.

-Understanding of Mechanical Test Regimes

-Holds a Full UK Driving Licence



We're all about finding potential here at Kier, and transferrable skills are always welcome! So, even if you don't tick every box, please apply and we can have a chat.



If you would like to explore more about the incredible growth and scale of our water business, dive into our diverse project portfolios, and uncover both current and future career opportunities. You can see more information about our water business here.

There's never been a better time to get involved, register your interest today and take the first step toward a rewarding career with us!



Rewards and benefitsWe're proud to be able to offer our brilliant people a wide variety of benefits that you can tailor to your needs. You can see more information of benefits here.



Diversity and inclusionMaking Kier a diverse and inclusive place to work is a huge priority for us. We're proud of the steps we've taken so far, but we know we must always do more. Our employees are key in shaping Kier's diversity and inclusion initiatives and our people have made a huge impact on how we work, by using their experiences to shape our policies. You can see our D&I action plan here.

As a Disability Confident employer, we will ensure that a fair and proportionate number of disabled applicants that meet the minimum criteria for this role will be offered an interview.



We look forward to seeing your application to #joinkier #LI-CH1

Proud member of the Disability Confident employer scheme

Disability Confident
A Disability Confident employer will generally offer an interview to any applicant that declares they have a disability and meets the minimum criteria for the job as defined by the employer. It is important to note that in certain recruitment situations such as high-volume, seasonal and high-peak times, the employer may wish to limit the overall numbers of interviews offered to both disabled people and non-disabled people. For more details please go to Disability Confident.

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