Principal Electrical Engineer, Energy Networks & Substations

Mott MacDonald; Brighton; Hybrid; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Pension matching

Life assurance up to 4x salary

Income protection

Bonus schemes

Job summary

Mott MacDonald is seeking a Principal Electrical Building Services Engineer in its Energy Networks team. The role focuses on delivering energy infrastructure building services for UK and international projects, developing robust, sustainable designs within multidisciplinary teams.

You will mentor junior engineers and contribute to bids while ensuring compliance with standards and client requirements. Hybrid working is supported.

Qualifications

• Essential degree in Building Services/Mechanical/Electrical engineering or related discipline.
• Chartered status or working towards chartership with a recognised institution.
• Experience delivering building services design in regulated environments.
• Ability to produce/review technical reports, specs, calculations, design docs.
• Experience with industry design software and engineering tools.
• Strong knowledge of British/European standards.

Responsibilities

• Deliver building services designs for energy infrastructure and industrial facilities.
• Prepare detailed design calculations and technical documentation.
• Develop drawings, layouts, and schematics for HVAC, electrical, water systems.
• Collaborate with protection, civil, structural and other disciplines.
• Support sustainable, energy‑efficient building services solutions.
• Assist bids, proposals, and fee estimates.
• Coordinate project deliverables within quality, budget, and schedule.

Skills

Building services design

Technical reports

Multidisciplinary collaboration

Client/stakeholder engagement

Communication skills

Problem solving

Education

Building Services/Mechanical/Electrical Eng degree

Chartered Engineer or working towards

Tools

AutoCAD

Revit/BIM

HVAC systems knowledge

Job description

Mott MacDonald is seeking a Principal Electrical Building Services Engineer in its Energy Networks team. The role focuses on delivering energy infrastructure building services for UK and international projects, developing robust, sustainable designs within multidisciplinary teams.

You will mentor junior engineers and contribute to bids while ensuring compliance with standards and client requirements. Hybrid working is supported.