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Full time
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Principal Mechanical Engineer

Morson EdgeCallands, Warrington🇬🇧United KingdomPosted 10 Sept 2026

Why This Role Stands Out

This Principal Mechanical Engineer role offers a fantastic opportunity to lead innovative design solutions within the vital water and wastewater sector, with excellent benefits and a competitive salary. You'll thrive here if you possess a strong background in mechanical design for water infrastructure and are eager to mentor junior engineers within a supportive, hybrid work environment. Apply today to make a significant impact and advance your career with a leading consultancy.

Quick Overview

Seniority
Leader
Employment type
Full Time
Work mode
Hybrid
Location
Callands, Warrington, United Kingdom
Posted
1 week ago
AutoCADMechanical DesignStakeholder Management

Job Description

Senior Mechanical Engineer

Water & Wastewater Sector

Warrington, Chorley or Brighouse | Hybrid Working Competitive Salary + Car Allowance + Excellent Benefits

A leading UK engineering and infrastructure consultancy is seeking a Senior Mechanical Engineer to join its growing design team. This is an excellent opportunity to work on a diverse portfolio of water and wastewater projects, delivering innovative mechanical design solutions from concept through to construction.

Working within a multidisciplinary environment, you'll play a key role in the delivery of infrastructure and non-infrastructure schemes across the UK water sector. Projects include pumping stations, treatment works, screening systems, chemical dosing installations and sludge handling facilities.

Key Responsibilities

  • Lead and deliver mechanical designs across feasibility, outline and detailed design stages.
  • Produce and review engineering calculations, drawings, technical reports and specifications.
  • Develop cost-effective, high-quality engineering solutions aligned with client requirements.
  • Coordinate with clients, stakeholders and site teams throughout project delivery.
  • Mentor and support junior engineers and technicians.
  • Assist with project planning, resource allocation and budget management.
  • Support bid activities, site inspections and occasional construction-stage activities.

Requirements

  • Experience delivering mechanical design solutions within the water or wastewater industry.
  • Knowledge of pumping stations, treatment processes and associated mechanical equipment.
  • AutoCAD 2D proficiency.
  • Experience using pump selection and pump calculation software.
  • Ability to undertake site surveys and develop practical engineering solutions.
  • Strong communication and stakeholder management skills.
  • Full UK driving licence.

What's on Offer?

  • Competitive salary
  • Company car or car allowance
  • Hybrid and flexible working arrangements
  • 25 days holiday plus bank holidays
  • Pension scheme and life assurance
  • Health and wellbeing support programmes
  • Volunteering days and charitable giving initiatives
  • Clear career development opportunities within a growing organisation

The recruitment process for this vacancy is being handled by Morson Edge. By applying to this vacancy, you are consenting to have your personal information shared with Morson Talent.

Your candidate experience is at the utmost importance to us. If you are not yet ready to apply but would like to discuss any of the above or require any reasonable adjustments (e.g. being able to apply in a different format), please contact to arrange a confidential conversation.


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