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Salary
≈ $69k – $117k per year (Estimated)
Location
In office (Guildford)
Seniority
Principal

Confirmed on the employer's own hiring board on Oct 12, 2026. First seen by Alion on Oct 1, 2026. WSP scores B on the Alion truth index.

Overview
Company
Impact
Profile match

WSP

WSP is a Canadian engineering and professional services consulting firm headquartered in Montreal that provides technical and advisory services across the full lifecycle of built and natural environment projects. Listed on the Toronto Stock Exchange with annual revenues above C$16 billion, it operates in North America, the UK, Australia, New Zealand, the Middle East and India, and its US arm is the former Parsons Brinckerhoff. It hires bridge, structural, geotechnical, electrical and substation engineers, transport planners, acoustics specialists, environmental consultants, inspectors, BIM technicians and graduates.

What if you could do the kind of work the world needs?

At WSP, you can access our global scale, contribute to landmark projects and connect with the brightest minds in your field to do the best work of your life. You can embrace your curiosity in a culture that celebrates new ideas and diverse perspectives. You can experience a world of opportunity and the chance to shape a career as unique as you.

To find out more about our Mechanical, Electrical and Plumbing business click on the following link and discover what awaits you at WSP: https://www.wsp.com/en-GB/services/mechanical-electrical-and-plumbing

A little more about your role…

  • As a Principal Engineer, you will be leading Building Services design projects for your discipline and an overall project team and have a proven track record in both.
  • Will be able to demonstrate where your personal input has led to the commission being won or successfully delivered.
  • Able to work using initiative with minimal supervision on all technical aspects of their discipline or have specific specialist experience applicable to the role
  • Able to work under the clear direction of the client and interpret the needs of the project as a whole to meet the full delivery needs
  • Work in a joint leadership capacity within a mechanical, electrical and public health (MEP) discipline team providing design and technical advice in a WSP project manager capacity on a wide range of projects
  • Supervise the completion of detailed designs and supervise the work of others in this function
  • Consider the feasibility of the project specific to the discipline and lead the overall feasibility study for the project
  • Take responsibility for and direct others in the production of detailed and performance specification for the discipline subject to review by colleagues prior to issue
  • Regularly brief the project team, including explaining the appointment
  • Review design programmes and ensuring that sufficient resource is available to complete the works

Your Team

  • Our team is comprised of 60 engineers working across the Mechanical, Electrical and Public Health specialisms
  • Our team is split across our Brighton, Southampton, Heathrow, Basingstoke and Guildford sites giving the flexibility or work in either location on any given day. Many of our team choose to alternate the office they work in to suit personal and client needs.
  • As part of our team, you would be working on some of our major projects including Gatwick and Heathrow Airports, Royal Berkshire Hospital and several public and private sector client sites.
  • You will be reporting to our Technical Director for Mechanical engineering.
  • You will be able to utilise graduate, assistant, senior and principal engineers in supporting roles around you, as well as dedicated BIM and Sustainability specialists to contribute to your projects.

What we will be looking for you to demonstrate…

  • Working towards Chartership via an Engineering Council accredited honours degree or specific experience.
  • Degree in Building services Engineering or applicable discipline. Or relevant equivalent experience.
  • Working towards IET Engineer or Chartered Building Services Engineer.

Key Technical Requirements

  • Have a detailed understanding of the regulations applicable to the discipline and how to demonstrate this through calculation.
  • Have working understanding of latest electrical design software packages to allow the allocation / direction of work on projects.
  • Have an ability to sketch and communicate technical detail graphically and effectively
  • Have the ability to engage with clients and contractors in technical discussions and debates.
  • Have understanding of working with RevitMEP or other 3D design software to allow the allocation / direction of work on projects.
  • Must be able to obtain UK vetting level of Security Check (SC)

Electrical Design Skills:

  • Low voltage distribution systems
  • Low voltage standby generation
  • UPS systems
  • Cable calculations (via software and by hand)
  • Lighting calculations (via software and by hand)
  • Small power
  • Fire alarms
  • Intruder detection
  • Access control & security systems
  • Disabled call systems
  • Data cabling and outlets
  • Lightning protection

Don’t quite meet all the criteria? Apply, and we can see how your experience aligns to this role and other opportunities within the team.

Imagine a better future for you and a better future for us all.

Join our close-knit community of talented individuals who share your passion for making a positive impact. Our global team includes more than 83,000 employees, working together to make a difference in communities both close to home and around the world.

With us, you can. Apply today.

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