project design engineer

Company: Mott MacDonald
Apply for the project design engineer
Location: Durham
Job Description:

Overview

In this role you will lead the design and management of water and wastewater projects from outline through detailed design, construction, commissioning and handover. You will work within a multi-disciplinary team on a design-and-build programme, aligning technical, constructability and commercial outcomes. You’ll mentor colleagues, coordinate cross-disciplinary designers and BIM specialists, and nurture strong client relationships. The role offers a clear path to professional chartership and a flexible blend of home, office and site work. You will contribute to large-scale projects within the Living Water Enterprise, shaping sustainable water infrastructure.

Pay / Benefits

  • 4.5%–7% pension matching
  • annual bonus schemes
  • life assurance
  • private medical insurance
  • critical illness insurance
  • flexible benefits incl. extra leave

Responsibilities

  • Lead design of treatment or infrastructure projects from outline to detailed design and through construction, commissioning and handover
  • Coordinate multi-disciplinary project teams (civil, electrical, mechanical, process designers, BIM modelers, technical specialists) to meet programme, budget and quality requirements
  • Undertake design in own discipline and mentor less experienced colleagues
  • Build and maintain positive relationships with client project, operational and technical assurance teams to promote a one-team approach
  • Work within a project triangle with Site Manager and Quantity Surveyor to align technical, constructability and commercial aspects

Key requirements

  • Accredited Degree in Engineering (Civil, Mechanical, Process or Electrical)
  • Incorporated Member of Engineering Institution
  • Outline and detailed design experience of water or wastewater projects
  • Knowledge of Designer or Principal Designer duties under CDM 2015
  • Cross-functional collaboration
  • Mentoring and coaching
  • Relationship building with clients and teams
  • Design of water and wastewater projects
  • Multi-disciplinary coordination
  • BIM modelling and coordination

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Posted: October 13th, 2026