Location
Manchester (Hybrid) with opportunities across London and Bristol

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 Process Engineer, you will play a meaningful role in delivering major water and wastewater programmes across the UK 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 key 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.

Key Responsibilities
- Lead defined process design tasks or work packages across feasibility, optioneering, concept, outline, and detailed design
- Prepare, check, and coordinate process deliverables including calculations, mass balances, PFDs, P&IDs, basis of design reports, specifications, datasheets, and schedules
- Take ownership of assigned process packages, managing technical quality, interfaces, scope, budget, programme, and change
- Lead site surveys, data reviews, process capacity assessments, and technical discussions with clients, operators, suppliers, and contractors
- Develop treatment process options and support selection of efficient, robust, and operable solutions
- Coordinate process interfaces with Mechanical, EICA, civil/structural, architectural, MEP, and construction teams
- Support HAZOP, SWIFT, DSEAR, HAC/HAP, CDM/safety-by-design reviews, commissioning strategies, and performance testing
- Apply process modelling, simulation, spreadsheets, and data analysis to improve design quality and support evidence-based decisions
- Review supplier/contractor submissions, respond to technical queries, and support construction, commissioning, and handover where required
- Mentor Engineers and Graduates and contribute to process standards, templates, and delivery improvements

About Egis
Egis is a global leader in sustainable infrastructure, with over 23,500 experts across 70+ countries. We design and deliver intelligent infrastructure to address climate challenges and strengthen community resilience. Recognised as a Top Employer 2025, we offer a supportive, inclusive culture driven by sustainability and long-term community impact. We provide hybrid and flexible working, professional development, chartership support, and a highly competitive reward package.

Experience
- Typically 6+ years’ relevant process design experience in water, wastewater, and/or biosolids/sludge treatment design
- Proven ability to deliver process design packages within multidisciplinary projects
- Strong practical experience preparing and checking process calculations, mass balances, PFDs, P&IDs, basis of design reports, specifications, and technical documentation
- Working knowledge of UK water industry standards, CDM 2015, process safety, safety-by-design, and relevant regulatory requirements
- Experience using process modelling/simulation, advanced spreadsheets, or data-led design methods to support treatment design
- Good commercial awareness and ability to deliver to agreed scope, budget, and programme
- Strong communication skills, including ability to lead technical discussions and present recommendations clearly

About You
- Chartered Engineer status, or significant CEng-level experience while actively progressing towards chartership
- Practical experience with BioWin, SUMO, Dynamizu or similar water/wastewater process simulation packages is desirable
- Experience with AMP8, WINEP, SROs, D&B, framework, alliance, or major capital delivery environments is advantageous
- Knowledge of nutrient removal, sludge/bioresources, water reuse, process optimisation, chemical dosing, energy recovery, advanced treatment, or low-carbon design is beneficial
- Experience supporting commissioning, performance testing, HAZOPs, SWIFT reviews, or technical assurance reviews
- Experience mentoring junior staff and improving process workflows, templates, or technical standards
- Must have the right to work in the UK

Qualifications
- BEng/MEng or equivalent in Chemical Engineering, Process Engineering or a closely related discipline