Full-time Posted June 12, 2026
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Job Description

Principal Mechanical Engineer

We are looking for a Principal Mechanical Engineer to join our Water Team in Scotland to support the Scottish Water SR27 Enterprise programme.

Responsibilities

  • Prepare feasibility studies, outline design, detailed design, and construction support
  • Produce Plant layouts, design drawings and mechanical plant selection including specifications, WIMES Data Sheets, Valve schedules, Equipment Schedules, lifting strategies, hydraulic headloss calculations and P&IDs for Water Projects
  • Liaise and collaborate with our water and other discipline teams including civil, electrical, process and mechanical engineers nationwide
  • Visit site to carry surveys and support liaisons with clients, contractors and suppliers
  • Lead and contribute design review meetings such as HAZOPs, HAZIDs, ALMs and SWIFTS
  • Act as Mechanical Lead on projects including WwTW, WTW and Infrastructure. Support the Pr...

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