Senior Mechanical Engineer
Meet the recruiter

Christian Held
Benefits
Life assurance
Private medical insurance
Additional holiday purchase opportunities
Matched pension scheme up to 7.5%
Enhanced family leave & policies
Share plan schemes
Free health & wellbeing services
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Green car scheme
Senior Mechanical Engineer
We're looking for a Senior Mechanical Engineer to join our Thames Water team based on site at East Hyde, Bedfordshire.
Location: East Hyde, Bedfordshire - some remote working may be available, with occasional travel to other offices required.
Hours: 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.
Join us on an exciting project delivering sewage process systems, biomethane facilities, and digesters for Thames Water. As our Senior Mechanical Engineer, you'll be the lead mechanical specialist, overseeing design compliance, system installation, and successful project handover. This is an excellent opportunity to work on major water infrastructure that makes a real difference to communities.
What will you be responsible for?
As a Senior Mechanical Engineer, you'll be working within the project delivery team, supporting them in delivering complex water treatment systems. Your day to day will include:
- Leading mechanical design from concept through to completion, ensuring all systems meet project specifications
- Establishing inspection and test plans, attending tests, and coordinating with commissioning teams
- Managing relationships with clients, suppliers, and specialist subcontractors to deliver on time and within budget
- Preparing all handover documentation, including as-built drawings, test certificates, and operational manuals
- Ensuring health, safety, and environmental compliance throughout all project phases
What are we looking for?
This role of Senior Mechanical Engineer is great for you if:
- You have a strong understanding of the water and wastewater industry
- You're skilled at managing multiple projects simultaneously whilst maintaining quality standards
- You can lead and inspire site-based teams effectively
- You're comfortable working collaboratively with diverse stakeholders
- You're available to participate in the on-call rota (1 in 7)
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.
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Location: Luton
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Vacancy ID: 10810
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Background check: None
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Closing Date: 8 May 2026
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Flexible Working: Yes
Flexible working could include part time, job share, condensed hours, or flexible start/end times.
