27 Jun, 2026

Principal Waste Water Process Engineer

Job Description

Overview

Shape the Future of our cities and environments with AtkinsRéalis. We are looking for an energetic and experienced Principal Waste Water Process Engineer to join our Design & Advanced Technology (D&A) Practice. This role will deliver cutting edge, iconic projects to our Water market clients, including United Utilities, Yorkshire Water, Scottish Water, Northern Ireland Water and other regional water authorities.

Responsibilities
  • Coordinate or manage members of a team of Process engineers for delivery of technical design work on small to complex multi disciplinary projects following relevant national and project specific design codes and standards.
  • Produce and review technical deliverables such as design reports, process calculations, process control philosophies, etc.
  • Work independently with minimal technical guidance, exercising personal judgement to solve difficult problems and providing guidance to junior team members.
  • Provide technical input into project design deliverables for Process aspects of complex multi disciplinary projects and work with the project management team to manage time and budgets to key project milestones and programmes.
  • Collaborate with stakeholders at all levels, including internal and external clients, operational staff, project teams and external stakeholders.
  • Provide mentorship to less experienced colleagues and help grow the Process Engineering capabilities within the process team.
  • Provide technical support for bid proposals.
  • Work closely with and within a multi disciplinary team in the UK and overseas, as per project requirements, to deliver integrated design solutions.
  • Adhere to quality assurance standards in design, including checking and reviewing own work as well as others.
Qualifications
  • Chartered or Incorporated Engineer, preferably IChemE or CIWEM.
  • A degree in Chemical Engineering or equivalent (e.g. Environmental, Water and Waste Water engineering).
  • Strong knowledge of and design experience in waste water treatment processes and principles: preliminary, primary, secondary, tertiary, quaternary treatment, sludge treatment and integrated principles and services including emissions, odour, carbon and energy management.
  • Practical knowledge of current design codes and standards and industry best practices, including CDM Regulations.
  • Experience of design and delivery of projects with adherence to UK safety and environmental regulations, process safety techniques (e.g. HAZOP), capital and operational costs, risk assessments and whole life carbon assessments.
  • Proven experience in leading elements in treatment process design and integrating elements as part of an existing or new treatment process.
  • Proven experience in leading, coordinating or managing people in a Process engineering design delivery team for a project within a design consultancy, including in a multi disciplinary environment.
  • Broad perspective to identify innovative solutions to design problems.
  • Ability to work independently with minimal technical guidance.
  • Strong communication skills, able to convey technical concepts clearly within diverse multi disciplinary teams.
  • Proactive, highly motivated mindset with a collaborative approach to drive teamwork and share success across projects.
  • We encourage applications from candidates who meet some of the criteria, not all.
Benefits
  • Competitive salaries and employee rewards.
  • Variety of benefits that can be tailored to personal health, wellbeing, financial and lifestyle choices.
  • Opportunities for training and professional development.
  • Hybrid working culture and flexible holiday allowances.
Security Clearance

This role may require security clearance. Offers of employment will be dependent on obtaining the relevant level of clearance. The vetting process is delivered by UK Security Vetting (UKSV) and may require candidates to provide proof of UK residency of 5 years or longer. If applying to this role, please do not reference any current or previously held security clearance in your application or CV.

Equal Opportunity

As an Equal Opportunities Employer, AtkinsRéalis values applications from all backgrounds, cultures and abilities. We are committed to creating a culture where everyone feels they belong.


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