Principal Mechanical Engineer

Overview

In this role you will lead mechanical design for Scotland’s water projects within a multidisciplinary team, contributing to high-impact, multi-year programmes. You’ll shape feasibility, detailed design and construction support, coordinating across civil, electrical and process teams while engaging clients and suppliers. Your work helps deliver resilient, sustainable water systems at scale, with a hybrid working arrangement to support balance and excellence. This is a chance to influence a flagship national programme and grow as a leader in a global engineering firm.

Pay / Benefits

• hybrid working model
• flexible benefits
• AECOM University
• volunteering days
• career development
• global scale projects

Responsibilities

• Prepare feasibility studies, outline and detailed designs, and construction support
• Produce plant layouts, mechanical specifications, and related data sheets (WIMES, valve and equipment schedules)
• Collaborate with cross-discipline teams nationwide and visit sites for surveys and liaison with clients, contractors and suppliers
• Lead and contribute to design reviews (HAZOPs, HAZIDs, ALMs, SWIFTS)
• Act as Mechanical Lead on projects (WwTW, WTW, infrastructure) and support Project Manager to deliver scope on time and within budget
• Support Project Manager in setting programmes and budgets for Mechanical projects
• Line manage Mechanical graduates, engineers and senior engineers
• Promote safe, compliant, and innovative mechanical design across water projects

Key requirements

• Degree in Mechanical Engineering ( Chartered Engineer with a relevant institution such as IMechE)
• Proven ability to deliver engineering designs, reports, drawings, specifications and calculations
• Hands-on experience delivering innovative solutions for water and wastewater projects
• Cross-functional collaboration
• Leadership and mentoring
• Communication and stakeholder management
• Mechanical design for water and wastewater projects
• P&IDs, hydraulic headloss calculations
• HAZOP/HAZID/ALM/SWIFTs participation

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