We're looking for a Mechanical Site Supervisor to join our Wastewater Asset Assurance Programme (WAAP) team based in Thames Valley North.
Location: Thames Valley North - Site BasedHours: 45 hours per week - some flexibility on hours available if desired, just let us know when you speak to us.
We are unable to offer certificates of sponsorship to any candidates in this role.
Mechanical Site Supervisor
Company: Kier Group
Salary: Not specified
Hours: Full-time
Location: SL9 0BG
Job type: Permanent
Posting date: 5 Nov 2026
Closing date: 19 Nov 2026
What will you be responsible for?
- Supporting the Site Manager in maintaining a safe working environment for all employees, supply chain partners and visitors
- Supervising work to ensure it is carried out in accordance with Method Statements and Work Instructions
- Reviewing and signing off project ITPs, ensuring they are managed through Kier's common data environment
- Overseeing mechanical contractor testing and ensuring works are in line with Thames Water asset standards
- Recording all non-conformance and improvement opportunities and agreeing actions with those in charge of the works
What are we looking for?
- You hold a Full driving licence
- You have demonstrable experience in the Water Industry with strong technical knowledge
- You possess an NVQ/BTEC Level 3 in Mechanical installations along with a relevant CSCS Card
- You have SSSTS / SMSTS and Confined Spaces qualifications
- You have a good working knowledge of sewage and water treatment processes, systems, and typical M&E plant and equipment
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.
Rewards and benefits
We'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 inclusion
Making 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
About Disability Confident
Disability Confident is a government scheme. It encourages employers to recruit and retain disabled people and those with long term health conditions.
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