Senior Principal Process Engineer - UK Water/Wastewater (Hybrid)

Egis; Manchester; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Hybrid & flexible working

26+ days annual leave

Professional development & chartership

Job summary

Egis is expanding rapidly in the UK, backed by a global team of more than 23,500 experts across 70+ countries. We design and deliver intelligent, sustainable infrastructure to address climate challenges and strengthen community resilience.

As part of our fast‑growing UK Water team, you will join an agile environment where progression is quick, visibility is high, and your impact is immediate. We are inviting applicants who want to play a meaningful role in delivering major water and wastewater

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.
• Typically 10–12+ years’ relevant process design experience.
• Background must be from 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 and commissioning/performance testing.
• Strong practical experience using 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, including 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.

Responsibilities

• Provide senior technical leadership for the process discipline within the UK water/wastewater treatment design team.
• Act as process discipline lead, sub‑lead or senior technical authority on complex treatment projects across design, construction support, commissioning and handover.
• Set and maintain process design standards, checking requirements, modelling approaches, design risk processes, digital workflows and quality expectations.
• Lead and assure complex process deliverables, treatment strategies, process models, key technical decisions, supplier packages, contractor submissions and multidisciplinary interfaces.
• Drive integrated coordination across Process, Mechanical, EICA, civil/structural, architectural, MEP, construction, commissioning and operations teams.
• Lead senior client engagement, technical workshops, optioneering, value engineering, design reviews, process safety reviews and performance optimisation discussions.
• Embed modern delivery approaches including process simulation, data‑led design, automation, standardisation, digital tools and model‑informed decision making.
• Support project directors and project managers with technical risk, scope, resourcing, programme, budget, change control and design quality.
• Build and develop the process sub‑team through recruitment, mentoring, line management, succession planning and professional development.
• Support business planning, work winning, client development, bid strategy and growth of Egis’ UK water/wastewater treatment capability.

Skills

Process leadership

Process modelling

Stakeholder management

Team development

Education

BEng/MEng in Chemical/Process Engineering

Chartered/ Incorporated Engineer (IChemE)

Tools

BioWin

SUMO

Dynamizu

Job description

Egis is expanding rapidly in the UK, backed by a global team of more than 23,500 experts across 70+ countries. We design and deliver intelligent, sustainable infrastructure to address climate challenges and strengthen community resilience.

As part of our fast‑growing UK Water team, you will join an agile environment where progression is quick, visibility is high, and your impact is immediate. We are inviting applicants who want to play a meaningful role in delivering major water and wastewater