Principal Process Engineer

Principal Process Engineer / Process Consultant
Sector: Wastewater 
Scope: Outside IR35
Location: Remote

We are seeking a Principal Process Engineer / Process Consultant to join our Asset Optimisation Team, providing wastewater process engineering consultancy across the UK. Our mission is to help clients get the very best from their assets and programmes.

We are an agile, highly technical team working across capital delivery frameworks and directly with operational teams to develop innovative, practical and digitally enabled process solutions. Our work spans optimisation studies at feasibility, concept, optioneering and preliminary design stages, helping to mitigate risk, restore compliance, and deliver low- or no-build solutions.

Role Overview

You will provide strategic technical leadership across water sector frameworks, shaping projects and programmes from an asset optimisation perspective. You will lead the delivery of optimisation studies and feasibility designs, directing multidisciplinary teams to develop robust, value-driven process solutions.

Key Responsibilities

Lead technical teams in the delivery of asset and process optimisation studies, including solution triage

Develop and implement optimisation initiatives at both site and programme level

Provide technical thought leadership and strategic consultancy advice to clients and joint venture partners

Review and approve process design deliverables, including calculations, drawings, reports, presentations and proposals

Support troubleshooting activities and the embedding of solutions into operational environments

Experience & Capabilities

15+ years’ experience in the design, operation and optimisation of wastewater treatment plants

Strong understanding of the UK water utility asset lifecycle

Background in engineering consultancy or contractor design environments, complemented by operational utility experience

Proactive, self-motivated and solutions-focused mindset

Strong interpersonal skills with the ability to collaborate, influence and engage senior stakeholders