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 Principal Process Engineer, you will play a key role in delivering major water and wastewater programmes across municipal and industrial sectors. Working within a collaborative, multidisciplinary environment, you will contribute to technically robust, sustainable, and innovative treatment solutions on nationally significant projects. This is a rare opportunity to join at a pivotal stage of Egis’ UK growth journey, helping to establish, shape, and expand a process engineering capability built on global infrastructure expertise and a long-term commitment to the sector. You will lead process design delivery across the full design lifecycle, act as the process technical lead, and drive multidisciplinary coordination. You will also promote lean and digitally enabled delivery methods, provide technical assurance, mentor engineers, and contribute to business growth through bids and client engagement. Egis offers a fast-growing, high-visibility environment where your impact will be immediate and career progression accelerated.

Additional Information
Join a global leader in sustainable infrastructure, recognised as a Top Employer 2025 across four continents. Benefit from a highly competitive reward package, hybrid and flexible working, 26+ days annual leave plus bank holidays, professional development and chartership support, and a supportive, inclusive culture focused on sustainability and community impact. Egis is committed to equal opportunities and values diversity in its workforce.

Experience
- Typically 8–10+ years’ relevant process design experience in water, wastewater and/or biosolids/sludge treatment design
- Proven ability to act as process discipline lead or senior technical lead on multidisciplinary projects
- Strong technical expertise in water/wastewater treatment process design including process selection, mass balance, process capacity, PFDs, P&IDs and design basis development
- Practical experience using process modelling/simulation packages such as BioWin, SUMO, Dynamizu or equivalent
- Strong understanding of UK water industry standards, CDM 2015, process safety, safety-by-design, regulatory drivers and common delivery models
- Confident client-facing communicator with experience leading workshops, technical reviews and design discussions
- Experience mentoring or managing engineers and supporting technical capability development

About you
Enthusiastic and motivated professional with a passion for sustainable water infrastructure. Able to lead multidisciplinary teams and collaborate effectively across disciplines. Committed to continuous improvement and innovation, with strong communication and leadership skills. You are adaptable, proactive, and eager to contribute to a fast-growing business with a global outlook.

Qualifications
- BEng/MEng or equivalent in Chemical Engineering, Process Engineering or closely related discipline
- Chartered Engineer or Incorporated Engineer status with a relevant professional institution such as IChemE
- Desirable skills include deep experience in wastewater treatment, clean water treatment, sludge/bioresources, nutrient removal, water reuse/recycling, process optimisation, chemical dosing, energy recovery or low-carbon design
- Experience delivering AMP8, WINEP, SRO, D&B, framework, alliance or contractor-led projects is advantageous
- Advanced capability in process modelling, calibration, scenario testing, dynamic simulation or operational optimisation
- Experience developing process design standards, calculation tools, modelling workflows, QA processes or reusable digital templates
- Experience contributing to recruitment, resource planning, bid writing, technical proposals, client presentations or new service development

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