Expression of Interest – Building Services Engineers (Mechanical) – Intermediate – Senior Levels

Job description

We are looking for Mechanical Building Services Engineers at all levels

We are seeking Mechanical Building Services Engineers to join our growing teams and contribute to a wide variety of exciting, technically challenging, and cutting-edge projects across sectors including Rail, Science & Industry, Data Centres, Education, Residential, Commercial, and Healthcare. Whether you’re early in your career or bring years of experience, you’ll have the opportunity to shape sustainable, efficient, and innovative mechanical systems that support the functionality and wellbeing of diverse environments.

From feasibility studies and detailed design to project completion, you’ll collaborate with multidisciplinary teams to deliver high-quality engineering solutions that make a real impact.

We would be interested in hearing from Building Services Engineers with experience in:

• Multi-disciplinary projects across a variety of sectors – collaborating across engineering and architectural teams to design and integrate efficient, sustainable, and technically robust mechanical systems tailored to the unique demands of diverse sectors.
• Data Centres & Mission Critical Projects – designing and delivering resilient HVAC, ventilation, and environmental control systems that ensure operational continuity, safety, and compliance with stringent performance and regulatory standards.
• Decarbonisation Strategies – developing strategies for both new and existing assets, including life-cycle carbon and costing optioneering assessments, using and developing analytical tools and economic models to optimise asset energy, carbon, and financial performance.
• Coding / Digital – leveraging software development and automation tools to enhance the design, simulation, and performance analysis of mechanical systems, enabling smarter, more efficient solutions across complex, multidisciplinary projects.

Life at Arup

At Arup, you belong to an extraordinary collective – one in which individuality is encouraged to thrive. Our strength comes from how we respect, share, and connect our diverse experiences, perspectives, and ideas. You will have the opportunity to do socially useful work that has meaning – to Arup, to your career, to our members, and to the clients and communities we serve.

Are these roles right for you? We are looking to speak to people who:

• Have a degree in Mechanical Engineering, Building Services Engineering, or Architectural Engineering. You may be chartered, working towards chartership, or keen to join a company that will support you through this journey.
• Have a demonstrable background in mechanical building services design, with knowledge and interest in sustainable building design in terms of both energy and carbon.
• Are proficient in BIM environments, particularly Revit, and have experience with dynamic thermal modelling (preferably IES).
• Demonstrate strong leadership and strategic leadership skills (Senior / Principal levels) to lead complex multidisciplinary projects and manage project teams; provide technical oversight, quality assurance, and strategic direction; and support business development, client engagement, and innovation in sustainable and digital engineering.
• Have commercial awareness and experience in predicting, planning, and managing resource requirements to achieve financial targets.