Mechanical Engineer

Company: Mott MacDonald Bentley
Apply for the Mechanical Engineer
Location: Durham
Job Description:

Overview

In this role you will shape the mechanical design of water and wastewater projects, guiding them from concept through handover. You’ll work within cross-functional teams to ensure robust, safe, and compliant solutions that meet programme and budget targets. You’ll engage with clients and other stakeholders to align on goals and deliver meaningful environmental impact. This is a growth-focused opportunity within a collaborative, cross-disciplinary setting that values technical excellence and project delivery at scale.

Pay / Benefits

  • pension matching (4.5%–7%)
  • annual bonus schemes
  • private medical insurance
  • life assurance
  • 33 days holiday
  • flexible benefits and flexible working

Responsibilities

  • Develop mechanical design for water and wastewater projects from outline to handover, including P&IDs, valve schedules, pump calculations, and above-ground layouts
  • Coordinate with Electrical, Civil, Geotech, and Process teams to meet programme, budget, and quality requirements
  • Collaborate with commercial, operational, and construction teams to devise efficient, practical, and safe design solutions across project stages
  • Engage with clients and adopt a one-team approach to support client aims

Key requirements

  • Degree in Mechanical Engineering, or related field
  • Working towards IEng/CEng with a recognized Engineering Institution
  • Effective communication with team members and stakeholders
  • Methodical problem-solving approach
  • Valid driving licence and willingness to travel to sites across the region
  • Effective communication
  • Team collaboration
  • Problem-solving mindset
  • Mechanical design of water/wastewater systems
  • P&IDs and valve scheduling
  • Pump calculations

Posted: September 14th, 2026