We are seeking an experienced Principal Process Engineer to take a leading role in delivering process engineering solutions across water and wastewater projects.
This is a senior position suited to a Chartered (or near Chartered) Engineer with strong expertise in treatment processes, who enjoys combining technical leadership with practical design delivery.
You will play a key role in developing and approving process designs, guiding multidisciplinary teams and ensuring solutions are robust, efficient and aligned with client and regulatory requirements.
The Role
As a Principal Process Engineer, you will provide technical leadership across projects, taking ownership of process design and supporting the delivery of high-quality engineering solutions.
- Leading the development of efficient and practical process design solutions
- Reviewing and approving design deliverables, reports, specifications and design risk assessments (DRAs)
- Checking and approving mass balances, process sizing, hydraulic calculations and process flow diagrams
- Reviewing control philosophies and commissioning strategies
- Providing technical guidance and oversight across projects and supporting tender submissions
- Directing and mentoring engineers and graduates
- Ensuring designs comply with relevant technical standards, professional guidance and water company requirements
- Ensuring project design changes are properly implemented and recorded
- Working in accordance with formal design processes and procedures
- Estimating design hours and supporting project planning
- Attending and leading HAZOP, ALM, KM and other technical review meetings
- Reviewing and communicating technical standards, procedures and updates
- Supporting the continuous improvement of process engineering standards and practices
About You
We are looking for a highly capable process engineer with strong experience in the water sector and a track record of delivering effective treatment solutions.
- 10+ years’ process design experience within the regulated water industry
- Extensive knowledge of wastewater treatment processes and plant design
- Experience delivering process design for water and/or wastewater projects
- Degree, HND or significant practical experience from technician level progression
- Strong IT and digital capability
- Chartered Engineer status
It’s desirable for you to have:
- Experience across both clean water and wastewater projects
- Experience participating in or leading HAZOP studies (ideally as Chair)
- Experience supporting tenders and technical proposals
- Full UK driving licence and access to a vehicle
Why Join Us?
We are a growing engineering consultancy where experienced engineers have real influence over technical standards, project delivery and team development.
In this role, you will:
- Take ownership of complex process design solutions
- Play a key role in shaping process engineering capability
- Work closely with multidisciplinary teams across major projects
- Support the development of engineers progressing through the business
Our Manchester office offers free parking, excellent transport links and access to a fully equipped gym with changing facilities, alongside a collaborative and supportive environment.
We also offer:
- 23 days annual leave + bank holidays, increasing with service
- Option to purchase additional leave
- Chartership mentoring and support
- Regular CPD sessions and industry-led learning
- Monthly team brunches and quarterly socials
- Cycle to Work scheme and free fruit in the office
We are primarily office-based but offer flexible hybrid working arrangements.
Contract positions may be outside IR35.
If you are a Principal Process Engineer looking for a role where your expertise can shape real-world engineering solutions, we would be pleased to hear from you.
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