Principal Mechanical Engineer - Energy Transition

WSP in the UK & Ireland; Cardiff; Hybrid; GBP 70,000 - 110,000; Full time

Job summary

WSP in the UK & Ireland is seeking a Principal Mechanical Engineer to lead mechanical design across energy transition projects from inception through decommissioning. You will guide cost-effective solutions for turbines, compressors, pumps, heat exchangers, and piping within a large engineering group.

Location is flexible across our UK office network, enabling collaboration with private developers, utilities, and government bodies while delivering safe, compliant plant designs.

Qualifications

• A degree in a relevant engineering subject.
• Chartered Engineer or working towards IEng/CEng and membership of a relevant engineering institute.
• Post‑graduate work experience within the power generation or oil & gas industry.
• Knowledge of national and international codes and standards used within the industry covering design and manufacturing requirements of plant equipment and piping.
• Experience in pressure vessel and piping design and stress analysis.
• Experience working with mechanical designers and pipe‑stress engineers on plant 3D models.
• Proficiency in MS Excel for creating schedules and datasheets, and MathCAD for engineering calculations and problem solving.
• Experience in thermal plant operational and integrity issue troubleshooting and problem solving.

Responsibilities

• Working with the project team to develop cost‑effective, efficient and innovative solutions to complex problems and create practical designs.
• Engaging in projects at various stages of maturity, including feasibility studies, concept designs, FEED studies, value engineering and detailed design.
• Preparing mechanical deliverables such as calculations, equipment specifications and datasheets for turbines, compressors, pumps, pressure vessels, and heat exchangers.
• Working closely with process engineers in developing process flow diagrams and piping & instrumentation diagrams.
• Supporting development of plant layouts and plant 3D models.
• Cooperating with equipment vendors on design of equipment packages and participating in technical evaluations of vendor designs.
• Providing engineering advice and technical solutions related to plant integrity issues on operational assets.
• Developing proposals and bids for the mechanical discipline and contributing to multi‑disciplinary proposals.

Skills

Engineering degree

Chartered status or IEng/CEng

Power generation/oil & gas experience

Codes & standards knowledge

Pressure vessel & piping design

Plant 3D modeling

MS Excel

Thermal plant troubleshooting

Education

Bachelor's degree in engineering

Tools

MathCAD

Job description

WSP in the UK & Ireland is seeking a Principal Mechanical Engineer to lead mechanical design across energy transition projects from inception through decommissioning. You will guide cost-effective solutions for turbines, compressors, pumps, heat exchangers, and piping within a large engineering group.

Location is flexible across our UK office network, enabling collaboration with private developers, utilities, and government bodies while delivering safe, compliant plant designs.