Senior Project 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 Project Engineer
We're looking for a Senior Mechanical Engineer to join our Maple Lodge team based in Maple Lodge, in Rickmansworth.
Location: Maple Lodge, Rickmansworth - some remote working may be available, with occasional travel to the office required.
Hours: 4Full time - 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 a major project for Thames Water at Maple Lodge, where you'll play a key role in delivering mechanical engineering solutions across four exciting subprojects. From tertiary treatment renewal to secondary treatment intensification and electrical infrastructure improvements, you'll be working in partnership with our supply chain to achieve outstanding results for our client. This is a fantastic opportunity to make a real impact on a significant water infrastructure project.
What will you be responsible for?
As a Senior Mechanical Engineer, you'll be working within the Maple Lodge team, supporting them in delivering mechanical aspects of projects within budget and timescales whilst ensuring Health, Safety and Environmental compliance. Your day to day will include:
- Leading mechanical engineering from inception to completion, liaising with Tier 2 Supply Chain design teams to ensure fully integrated, clash-free designs
- Collaborating with design partners to ensure CDM compliance and constructability, including check, review and approval of outputs
- Managing procurement of plant, materials and specialist subcontractors in cooperation with the commercial team
- Chairing and attending HAZOP and OPMAN events, maintaining design risk registers and compiling final contract documentation
- Mentoring and supporting graduate mechanical engineers, helping them develop their skills and careers
What are we looking for?
This role of Senior Mechanical Engineer is great for you if:
- You have a strong working knowledge of Waste Water Engineering, including key suppliers, capabilities and process equipment designs
- You're familiar with access metalwork standards, safe operating principles including EN1090, and can check and review working calculations
- You have demonstrable experience of delivering large Waste Water Schemes
- You can effectively lead and manage teams on site, building collaborative relationships across teams, clients and stakeholders
- You hold a Full 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.
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: Rickmansworth
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Vacancy ID: 12102
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Background check: None
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Closing date: 8 Sep 2026
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Contract type: Permanent
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Working hours: Full Time
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Flexible working: Yes
Flexible working could include part time, job share, condensed hours, or flexible start/end times.
