Process 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


Green car scheme

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Process Engineer

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We're looking for a Process Engineer to join our Maple Lodge STW team based in Maple Cross.

Location: Maple Lodge STW, Maple Cross
Hours: 40 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 as a Process Engineer on one of Thames Water's most significant infrastructure upgrades at Maple Lodge Sewage Treatment Works. This major scheme will play a vital role in increasing treatment capacity, improving environmental performance and strengthening long-term resilience for the region. It's an opportunity to be part of a high-profile project that combines complex civil, mechanical, electrical and process engineering challenges with meaningful outcomes for customers, communities and the environment.

What will you be responsible for?

As a Process Engineer, you'll be working within the Maple Lodge STW team, supporting them in delivering one of Thames Water's most significant infrastructure upgrades. Your day to day will include:

  • Developing and reviewing process designs that are safe, efficient, buildable and aligned with legislation, industry standards and client expectations
  • Using site performance insight to identify risks, shape mitigation plans and support strong programme, quality and operational outcomes
  • Producing and reviewing key process deliverables, including models, mass balances, control philosophies, technical reports and design documentation
  • Working across disciplines to ensure process solutions are fully integrated, coordinated and ready for construction, commissioning and operation
  • Collaborating with engineers, specialists, operators, construction teams and the client to develop solutions that are practical, safe and fit for purpose

What are we looking for?

This role of Process Engineer is great for you if:

  • You hold a degree in Chemical Engineering, Process Engineering or a closely related discipline
  • You're working towards Chartered or Incorporated status with a recognised professional institution or bring equivalent professional experience
  • You have a strong understanding of water and wastewater treatment processes, with practical experience in process design for wastewater infrastructure projects
  • You're collaborative and enjoy working closely with clients and stakeholders to reach innovative solutions
  • You're trusted to deliver what you promise and act safely and ethically at all times

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.

  • Location: Rickmansworth
  • Vacancy ID: 12273
  • Background check: None
  •  Closing date: 15 Sep 2026
  • Contract type: Permanent
  • Working hours: Full Time
  • Flexible working: Yes

    Flexible working could include part time, job share, condensed hours, or flexible start/end times.


 

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