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Senior​/Principal​/Associate Mechanical Engineer

Job in Bristol, Washington County, Virginia, 24202, USA
Listing for: iO Associates
Full Time position
Listed on 2026-07-20
Job specializations:
  • Engineering
    Mechanical Engineer
Salary/Wage Range or Industry Benchmark: 66934.5 - 107095.2 USD Yearly USD 66934.50 107095.20 YEAR
Job Description & How to Apply Below
Position: Senior / Principal / Associate Mechanical Engineer

Senior / Principal / Associate Mechanical Engineer

Senior/Principal & Associate Mechanical Engineers
Locations:
London, Cambridge, Epsom, Peterborough, Bristol, Exeter, Cardiff, Swansea, Birmingham & Derby, UK

Hybrid (3 Days Onsite) | Permanent
Salary: £50,000 – £80,000 DOE

Our client, a globally recognised engineering consultancy to support the delivery of major water and wastewater infrastructure projects across the UK.

We’re looking for experienced Senior / Principal / Associate Mechanical Engineers with strong expertise in the Water sector, mechanical design delivery, and multidisciplinary project environments. Candidates should have experience with pumps, blowers, screens, chemical dosing systems, and a solid understanding of UK design standards, CDM, and DSEAR.

Senior Mechanical Engineer Responsibilities
  • Deliver and coordinate mechanical design work for water and wastewater projects.
  • Produce and review technical deliverables including reports, calculations, drawings, and specifications.
  • Support project delivery, ensuring milestones, budgets, and quality standards are achieved.
  • Mentor junior engineers and contribute to team development.
  • Collaborate with multidisciplinary teams to deliver integrated engineering solutions.
Principal Mechanical Engineer Responsibilities
  • Lead mechanical engineering design delivery on complex multidisciplinary projects.
  • Manage technical outputs and provide specialist engineering guidance.
  • Support bid proposals and client-facing technical activities.
  • Drive quality assurance and compliance with industry standards.
  • Mentor and develop less experienced engineers while supporting team growth.
Associate Mechanical Engineer Responsibilities
  • Lead Mechanical Engineering teams delivering large-scale water infrastructure projects.
  • Oversee project design deliverables, programme management, and budget performance.
  • Review and approve technical reports, drawings, calculations, and scopes of work.
  • Provide technical leadership, drive best practices, and support business growth initiatives.
  • Manage stakeholder relationships and contribute to technical bid submissions.
Key Requirements
  • Degree in Mechanical Engineering or equivalent.
  • Chartered or Incorporated Engineer (Associate level must be Chartered).
  • Strong technical design and stakeholder management skills.
  • Leadership experience for Principal and Associate-level roles.
Why Apply?
  • Work on nationally significant water infrastructure projects
  • Hybrid working and competitive salary packages
  • Excellent career progression opportunities
  • Join a leading global engineering consultancy



* Note:

This role requires eligibility for SC clearance. Please apply only if you meet the clearance criteria*

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Position Requirements
10+ Years work experience
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