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Senior​/Principal Mechanical Engineer - Building Services

Job in Greater London, London, Greater London, W1B, England, UK
Listing for: Ramboll
Full Time position
Listed on 2026-10-24
Job specializations:
  • Engineering
    Mechanical Engineer, Building Services Engineer
Salary/Wage Range or Industry Benchmark: 90000 - 130000 GBP Yearly GBP 90000.00 130000.00 YEAR
Job Description & How to Apply Below
Location: Greater London

Senior/Principal Mechanical Engineer - Building Services

Are you excited about understanding, interpreting, and navigating complex engineering issues? Are you motivated by creating sustainable change that benefits society and nature? Are you a curious and open-minded person?

If this sounds like you, or you’re curious to learn more, then this role could be the perfect opportunity. Join our Building Services team as our new Senior / Principal Mechanical Engineer and work with us to close the gap to a sustainable future.

Your new role

As our new Senior / Principal Mechanical Engineer, you will work as part of a collaborative team, manage your own project work, undertake and oversee design to the required standards, and maintain excellent levels of client service.

You will contribute to a team with a strong focus on technical delivery, client care and sustainable outcomes. You will work on a wide variety of projects, with opportunities to contribute to international signature projects where appropriate. We have a supportive and collaborative culture and are looking for personable, curious and technically capable people to strengthen our team. We have a strong focus on digital and parametric design and believe the future of our industry lies in working smarter, sharing knowledge and continuously improving how we deliver.

Core responsibilities:

Senior Engineer
  • Lead larger mechanical work packages and act as Mechanical Discipline Lead on less complex and lower-risk projects.
  • Represent Ramboll at design team and client meetings, working autonomously while communicating technical matters clearly to technical and non-technical audiences.
  • Develop design strategies and deliver work across the full spectrum of design stages, including detailed design, specifications and supervision of works on site.
  • Exercise independent engineering judgement when selecting and applying appropriate standards, codes and design approaches.
  • Plan and manage your own workload and the deliverables of junior team members in accordance with the Ramboll Project Model, agreed programme, scope and budget.
  • Coordinate mechanical design activities with other disciplines and, on suitably sized projects, support the coordination of engineers from complementary disciplines.
  • Complete detailed designs, undertake technical and quality reviews, and supervise and check the work of others.
  • Identify technical, programme, commercial, health and safety, Building Safety Act and CDM risks, developing proportionate solutions and escalating where appropriate.
  • Understand and manage the agreed scope for your discipline, identify change promptly and support appropriate change control and project governance.
  • Support preparation of straightforward fee and scope proposals, project variations and tender submissions.
  • Build effective client and collaborator relationships, support high levels of client satisfaction and identify opportunities for repeat work or additional services.
  • Mentor and support graduates and junior engineers, providing clear direction, constructive feedback and opportunities for development.
  • Champion sustainable and regenerative design outcomes, including use of Ramboll sustainability tools and reviews on your work packages.
  • Apply digital and parametric design tools where they add value, and contribute to workflow improvement, innovation and knowledge sharing within the discipline.
Additional responsibilities:
Principal Engineer

In addition to the Senior responsibilities above, a Principal Engineer will be expected to:

  • Act as an experienced Mechanical Discipline Lead on larger or medium-risk projects and, where appropriate, lead whole low-risk projects with support from the Project Owner.
  • Act as the primary day-to-day client and design point of contact for projects within your responsibility, coordinating responses with minimal supervision.
  • Take responsibility for the technical and financial leadership of your projects or discipline, including scope, quality, resources, cost, programme, change and project governance.
  • Project manage projects of increasing complexity, including multidisciplinary projects where appropriate, setting a coordinated programme of work and clear accountabilities for the project team.
  • Lead or support scope and fee discussions, prepare proposals for increasingly complex opportunities and manage project variations with appropriate senior support.
  • Develop a practical understanding of project financial performance, including fee levels, billing, cash flow, write-ups or…
Position Requirements
10+ Years work experience
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