Principal Electrical Building Services Engineer

Join Mott MacDonald as a Principal Electrical Building Services Engineer based in Dublin, IE. Mott MacDonald is a global engineering consultancy with over 20,000 employees.

As Principal Electrical Engineer, you will assess and understand project requirements, undertake electrical design across a number of disciplines, and agree timescales and specifications with design teams, clients and managers. You will lead and direct junior staff, be actively involved in the preparation of documents, reports and health and safety risk assessments, and interpret commercial and contractual aspects with multidisciplinary projects.

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• Managing the delivery of electrical elements of multi‑disciplinary projects across sectors including Built Environment, Water, Transportations and Advisory; working and liaising with associated engineering disciplines.
  
• Dealing with internal and external stakeholders.
  
• Carrying out design and calculation work using industry software (eg Amtech, IES, Relux, Revit).
  
• Demonstrating technical expertise, providing in‑depth knowledge whilst proactively coaching and developing 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.
  

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• Electrical building services design with experience in healthcare, education, industrial/pharma, water/wastewater, food processing, transportation, data centres.
  
• Lighting and emergency lighting in buildings; familiarity with Trimble (Amtech), Relux, Dialux.
  
• External lighting, including roads/highways.
  
• General power and services – fire detection, alarm, CCTV, access control, power and data.
  
• MV switchgear and transformers; LV distribution and MCCs with wiring schematics and SLDs.
  
• Transformers 20kV/10kV to 400V; 3‑phase and single‑phase systems.
  
• BMS and SCADA systems; instrumentation, control and automation systems.
  
• BIM, AutoCAD and Revit; site experience an advantage.
  
• Services co‑ordination in buildings and underground services.
  

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• B.Eng / M.Eng.
  
• Chartered Engineer.
  
• Experience leading electrical services on multi‑disciplinary projects.
  
• Experience mentoring and leading graduate engineers.
  
• Enthusiastic, ambitious with excellent communication skills, including report writing and presentation.
  
• Ability to lead electrical elements of one large project or a portfolio of smaller projects.
  
• Experience managing client relationships and expectations; willingness to attend client‑facing meetings via Teams.
  

We put equality, diversity, and inclusion at the heart of our business. We encourage individual expression in our workplace and are committed to creating an inclusive environment where everyone feels they can contribute.

If you are disabled or need any support to enable you to apply or attend an interview, please contact us at

We offer a hybrid working policy that embraces well‑being, flexibility, and trust.

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• Flexible working.
  
• Pension matched up to 7% of base salary.
  
• Competitive annual leave.
  
• An annual professional institution subscription.
  
• Life insurance.
  
• Income continuance.
  
• Enhanced paternity leave.
  
• Annual company performance bonus scheme (subject to company performance).
  
• Cycle to work scheme.
  
• Travel TaxSaver tickets.
  
• Commitment to Continuing Professional Development; accredited by Engineers Ireland.
  
• Mentoring and support for career development and progression.
  

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• Location: Dublin, IE.
  
• Contract type: Permanent.
  
• Work pattern: Full Time. xcfaprz
  

Will Bates.