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Senior Mechanical Building Services Engineer

Job in Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: MOTT MACDONALD
Full Time position
Listed on 2026-05-22
Job specializations:
  • Engineering
    Mechanical Engineer, Electrical Engineering, Environmental Engineer
Salary/Wage Range or Industry Benchmark: 100000 - 125000 GBP Yearly GBP 100000.00 125000.00 YEAR
Job Description & How to Apply Below

Location

Belfast, UK

Recruiter Contact

Will Bates

Role Overview

As a Senior Mechanical Engineer, your role will include assessing and understanding project requirements, undertaking mechanical design across a number of disciplines and agreeing timescales and specifications with design teams, clients and managers. Leading and directing junior staff, you will be actively involved in the preparation of documents, reports and health and safety risk assessments as well as interpreting commercial and/or contractual aspects of correspondence with or between fellow professionals on multidisciplinary projects.

Key Responsibilities
  • Managing the delivery of assigned mechanical and building services elements of multidisciplinary projects across a range of sectors including Built Environment, Water, Transport, and Advisory.
  • Working and liaising with associated engineering disciplines as part of delivering projects.
  • Dealing with and managing internal and external stakeholders.
  • Carrying out design and calculation work using relevant industry software (IES, Revit etc).
  • Demonstrating technical expertise, providing in depth knowledge whilst proactively coaching and developing more junior team members.
  • Developing, maintaining and monitoring programmes for scheduling and reporting on deliverables across specific projects.
  • Maximising profitability of projects, monitoring against budget, reacting and anticipating potential problems and communicating in line with client expectations.
Areas of Expertise
  • Mechanical building services design with experience in a number of the following areas:
    • Healthcare
    • Education
    • Industrial/Pharma
    • Food Processing
    • Transportation
    • Water/Wastewater
  • Steam, Condensate and associated equipment
  • Low Pressure / Low Temperature Hot Water
  • Chilled Water and associated equipment
  • Domestic hot and cold water systems for both commercial and industrial projects
  • Public health systems
  • Vacuum systems and associated equipment
  • Fuel gas systems
  • Fuel oil systems
  • Process/plant water
  • Reverse Osmosis (RO) Water
  • Medical gases
  • Natural Ventilation systems
  • HVAC systems
  • Refrigeration
  • Specialist extract systems
  • BMS (Building Management Systems) and SCADA (Supervisory Control and Data Acquisition) systems
  • Instrumentation, Control and Automation systems
  • Services co‑ordination and integration of plant and equipment in buildings and for underground services
  • BIM, AutoCAD and Revit
  • Site experience an advantage
Candidate Specification
  • Essential:
    • B.Eng / M.Eng
    • Chartered Engineer
    • Have experience of leading on Mechanical services and some multidisciplinary projects
    • Have experience of mentoring and leading graduate engineers
    • Be enthusiastic and ambitious
    • Possess excellent communication skills, including report writing and presentation
    • Have the ability to lead electrical elements of one large project or a portfolio of smaller projects
    • Have some experience of managing client relationships and expectations as there will be a requirement to attend Client Facing meetings via Teams
UK Immigration

Mott Mac Donald Ltd. are not currently offering sponsorship to candidates under the Skilled Worker visa route in the UK. This decision is a consequence of the changes made to the Skilled Worker route by the UK Government in April 2024. We continue to welcome applications from candidates who are eligible for alternative immigration routes in the UK that do not require sponsorship as a Skilled Worker now or in future.

Equality,

Diversity, and Inclusion

We put equality, diversity, and inclusion at the heart of our business, seeking to promote fair employment procedures and practices to ensure equal opportunities for all. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.

Accessibility

We want you to perform your best at every stage in the recruitment process. If you are disabled or need any support to enable you to apply or attend an interview, please contact us at reaso and we will talk to you about how we can support you.

Benefits

Financial wellbeing

  • We match employee pension contributions between 4.5% and 7%.
  • Life assurance equal up to 4 x your basic salary, with an option to increase the level of…
Position Requirements
10+ Years work experience
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