Principal Mechanical Engineer – Waste & Generation (Energy)

Overview

In this role you drive mechanical engineering initiatives within Stantec’s Energy & Resources team, supporting a range of energy and waste-focused projects. You’ll lead feasibility, design, and installation work across EfW, district heating, gasification, hydrogen and biogas initiatives, collaborating with clients and partners. You will develop technical specifications, scopes, and design outputs while ensuring HSE considerations. This is a high-impact position shaping projects across the UK and contributing to a broader energy transition.

Pay / Benefits

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

Responsibilities

• Lead the project life cycle from optioneering to detailed design and installation
• Conduct feasibility studies, site surveys, and investigations
• Collaborate with clients, partners and internal teams to develop designs and project-wide solutions
• Create specifications and scoping documents for construction packages; assess vendor designs and progress
• Produce technical outputs (General Arrangement Drawings, 3D models, Piping & Instrumentation Diagrams) and communicate updates to stakeholders

Key requirements

• Experience in Mechanical Engineering or related field with energy/power sector or process plant exposure
• Chartered status or working towards chartered status
• Experience producing technical specifications across technologies (steam, piping, hydrogen, biomass, EfW)
• Ability to develop and communicate technical updates to clients and team
• Experience creating specifications, scoping documents and evaluating vendor designs
• Familiarity with design outputs such as GAs, 3D models, P&IDs
• Willingness to engage across project lifecycle and collaborate cross-functionally

• Collaborative mindset
• Client-focused orientation
• Clear communicator of technical concepts to diverse audiences
• Steam systems
• Piping design and specifications
• Hydrogen technologies

…