Principal Mechanical Engineer – Waste & Generation (Energy)

Overview

As a Principal Mechanical Engineer in Stantec’s Energy & Resources, you will help deliver diverse energy projects across the UK, from EfW plants to district heating and hydrogen/Gasification schemes. You’ll guide projects through feasibility, optioneering, and detailed design, collaborating with clients and partners to develop robust, compliant solutions. You’ll lead technical outputs and contribute to safe, high-quality delivery, shaping sustainable energy infrastructure. This role offers impact across the energy transition with a supportive, collaborative culture.

Pay / Benefits

• Competitive salary
• pension plan
• holidays
• free private medical insurance
• discounted gym membership
• flexible working arrangements

Responsibilities

• Perform feasibility studies, site surveys and investigations across project options
• Lead optioneering through detailed design and installation stages
• Produce technical specifications across technologies (steam, piping, hydrogen, biomass, EfW)
• Support collaborative design outputs (GA drawings, 3D models, P&ID)
• Create specifications and scoping documents for construction packages
• Review and assess vendor designs and progress
• Communicate technical updates to clients and team members

Key requirements

• Experience in Mechanical Engineering or related field with energy/power or process plant exposure
• Chartered status or working towards chartered status
• Proven ability to produce specifications, reports and technical outputs
• Experience with GA drawings, 3D models, P&ID and broad range of technologies (steam, piping, hydrogen, biomass, EfW)
• Strong communication skills for client and internal stakeholder updates
• Ability to work across project lifecycle and collaborate with cross-functional teams

• client focus
• collaboration
• clear communication
• General Arrangement Drawings (GA)
• 3D modelling
• Piping & Instrumentation Diagrams (P&ID)

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