WhatsApp Image 2025-11-18 at 10.42.03 PM

Principal Process Engineer

Manchester
Permanent
Principal Process Engineer – Water IndustryTrafford Park (M32) | Hybrid Working Available

£65,000 – £80,000 + Benefits

Start Date: May 2026 (or sooner if available)

Permanent Opportunity

The OpportunityA fantastic opportunity for an experienced Principal Process Engineer to join a growing and forward-thinking engineering consultancy delivering high-impact projects across the UK water sector.

You’ll play a key role in leading process design solutions, driving technical excellence, and supporting the delivery of major wastewater treatment and infrastructure projects.

What You’ll Be Doing

  • Lead and oversee process engineering design deliverables across multiple projects
  • Develop efficient, innovative solutions from site visits and client briefs
  • Approve key technical outputs including:
  • Mass balances & hydraulic calculations
  • Process flow diagrams
  • Control philosophies & commissioning strategies
  • Provide technical leadership to engineers and graduates
  • Represent the business at HAZOP, ALM, KM and design review meetings
  • Ensure compliance with water company standards and industry regulations
  • Support project planning, including estimating design hours and resources
  • Drive quality, safety, and continuous improvement across all design activities

What We’re Looking For

  • 10+ years’ experience in process design within the UK regulated water industry
  • Strong knowledge of wastewater treatment processes and plant design
  • Experience delivering process design for STW upgrades and capacity improvements
  • Ability to check and approve complex technical calculations and reports
  • Excellent communication and leadership skills
  • Chartered Engineer status (or working towards)

Desirable

  • Experience across both clean water and wastewater projects
  • Previous involvement in HAZOP studies (ideally as Chair)
  • Strong understanding of industry standards and best practice

Working Arrangements

  • Office base: Trafford House, M32
  • Hybrid working: up to 3 days from home for the right candidate
  • Occasional site visits (expenses covered)

Why Join?

  • Growing consultancy with a strong pipeline in the UK water sector
  • Supportive, collaborative team environment
  • Real opportunity to influence projects and mentor others
  • Strong focus on employee wellbeing and work-life balance
  • Competitive package including:
  • Pension
  • Benefits scheme
  • Ongoing training & development

Projects You’ll Work On

  • Optioneering for sewage treatment capacity increases
  • Design of sewage treatment upgrades across multiple UK water companies
  • Wider involvement in infrastructure and non-infrastructure projects

Interested?If you’re a senior process engineer ready to step up or an established principal looking for more autonomy, this is a great opportunity to join a business where your expertise will genuinely make an impact.

Apply now or contact me for a confidential chat.

APPLY FOR THIS ROLE