Senior Mechanical Design Engineer

Company: Alexander Associates
Apply for the Senior Mechanical Design Engineer
Location: Maple Cross
Job Description:

A leading engineering and water infrastructure organisation is seeking an experienced Senior Mechanical Engineer to join its growing team.

This is an exciting opportunity for a mechanical engineer with experience in the water and wastewater sector to play a key role in delivering high-quality, cost-effective engineering solutions across a range of projects.

The Role

  • Producing and checking mechanical design deliverables, including drawings, specifications, schedules and calculations.
  • Developing cost-effective designs that meet project specifications, programme and budget requirements.
  • Coordinating mechanical designs with other engineering disciplines and contributing to 3D plant/site models.
  • Working closely with construction teams, suppliers and other stakeholders to ensure designs are practical and buildable.
  • Supporting proposals and tenders with technical input and cost estimates.
  • Ensuring designs comply with relevant industry standards, CDM 2015 and health & safety requirements.
  • Supporting the development of engineering processes and procedures.
  • Mentoring and supporting less experienced engineers.
  • Maintaining strong customer and stakeholder relationships throughout project delivery.

About You

  • Significant experience in mechanical engineering design within the water, wastewater or process engineering sector.
  • Experience designing mechanical aspects of water or wastewater treatment plants.
  • A relevant Engineering degree/HND or equivalent experience.
  • Chartered Engineer status or membership of a relevant professional institution.
  • Good knowledge of water treatment, mechanical engineering and multidisciplinary project delivery.
  • Working knowledge of CDM 2015 and relevant industry standards and regulations, including PUWER, LOLER, PSSR and DSEAR.
  • Strong technical, analytical and communication skills.
  • Experience mentoring or supervising engineering staff.
  • The flexibility to travel to project sites and regional offices when required.
  • A relevant Master’s degree would be advantageous.
  • Only those with proof of right to work in the UK should apply for this position.

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Posted: September 21st, 2026