Location
Bristol, with hybrid working options available in London and Manchester

Hours
Full Time

Salary
Negotiable

About the Role
The UK water sector is entering a period of unprecedented investment and transformation. Egis is rapidly expanding its Water Business in the UK and is building a high-performing Process Engineering team to help shape this next chapter. As a Senior Principal Process Engineer, you will provide senior technical leadership within the UK water/wastewater treatment design team, contributing to nationally significant projects across municipal and industrial sectors. You will work in a collaborative, multidisciplinary environment delivering technically robust, sustainable, and innovative treatment solutions. This is a rare opportunity to join at a key stage of Egis’ UK growth journey, helping to establish and expand a process engineering capability built on global infrastructure expertise and a long-term commitment to the sector.

Key responsibilities include leading process discipline on complex projects, setting and maintaining design standards, assuring process deliverables, driving integrated coordination across multiple disciplines, leading senior client engagement and technical workshops, embedding modern delivery approaches such as process simulation and digital tools, supporting project management activities, building and developing the process sub-team, and supporting business planning and growth of Egis’ UK water/wastewater treatment capability.

Egis is a global leader in sustainable infrastructure with over 23,500 experts across 70+ countries, committed to addressing climate challenges and strengthening community resilience. Joining Egis means working in a high-growth environment with accelerated career progression, a supportive and inclusive culture, and a strong focus on sustainability and long-term community impact.

Experience
- Typically 10–12+ years’ relevant process design experience in water, wastewater and/or biosolids/sludge treatment design
- Proven track record leading process design and technical assurance on complex multidisciplinary water/wastewater treatment projects
- Deep technical expertise in treatment process design, process selection, mass balance, process capacity, PFDs, P&IDs, design basis development, commissioning and performance testing
- Strong practical experience with process modelling/simulation packages such as BioWin, SUMO, Dynamizu or equivalent
- Strong understanding of UK regulated water sector drivers, water company standards, CDM 2015, process safety, environmental/regulatory requirements and common delivery models
- Demonstrable experience developing people through mentoring, line management, technical coaching, recruitment or resource planning
- Strong client and stakeholder management skills with credibility to lead senior technical conversations and influence project direction
- Strong commercial and delivery awareness including scope development, fee estimating, programme/resource planning, risk management and change control

About you
You are a senior technical leader with a passion for sustainable water infrastructure and a collaborative approach. You thrive in a fast-growing environment, enjoy mentoring and developing teams, and have excellent communication and stakeholder management skills. You are proactive in embedding modern delivery approaches and driving continuous improvement. You have a strong commitment to sustainability and community impact aligned with Egis’ values.

Qualifications
- BEng/MEng or equivalent in Chemical Engineering, Process Engineering or a closely related discipline
- Chartered Engineer or Incorporated Engineer status with a relevant professional institution such as IChemE
- Experience as process discipline lead, design manager, technical director, associate-level lead or sub-team lead within consultancy, contractor, water company or technology provider environments is desirable
- Experience with advanced process simulation, model calibration, dynamic simulation, scenario testing, optimisation studies or operational troubleshooting is advantageous
- Knowledge of digital treatment design, process optimisation, operational intelligence, nutrient removal, sludge/bioresources, water reuse, energy/carbon reduction or smart assets is a plus
- Experience leading process technical governance, communities of practice, design standards, QA frameworks or delivery improvement initiatives is beneficial
- Experience building teams during growth phases, including skills mapping, capability planning and fostering a positive delivery-focused culture is desirable

Please note you must have the right to work in the UK to be considered for this position.