Principal Critical Infrastructure Electrical Engineer

Principal Critical Infrastructure Electrical Engineer - Manchester

Principal Critical Infrastructure Electrical Engineer with experience of Generator installations, large UPS systems, substation design, mission-critical and infrastructure-oriented projects is required by a global consultancy. This role be based anywhere in the UK and they have multiple roles to fill at all levels

• Electrical services engineers with infrastructure/external works experience beyond standard building services
  • Generator installations, large UPS systems, substation design
  • Mission critical and infrastructure-oriented projects
• Seniority: Senior engineer level upwards
• Security clearance: SC level preferred (increasingly required by clients)

They deliver innovative engineering solutions across aviation, commercial, residential, education, healthcare, transport, defence, and energy sectors - with defence and energy experience considered especially valuable.

Experience required:

• A qualification in Electrical Engineering or a related discipline.
• Chartered Engineer status with CIBSE or IET (preferred).
• Strong software proficiency - ETAP, Amtech/ProDesign, Dialux/Relux, NBS, and Microsoft tools.
• Experience designing PV and Battery Energy Storage Systems.
• Understanding of energy-reduction strategies and approaches to decarbonising buildings.
• Experience in design consultancy and/or contractor design environments.
• A proactive approach, strong decision-making ability, and the confidence to lead deliverables within time and cost constraints.

Technical Scope & Project Types

• Voltage requirements: Comfortable with 11kV schemes (33kV similar)
• DNO standards familiarity and substation design experience expected
• Key project areas:
  1. Large airport expansion projects
  2. Major railway station developments
  3. Data center work for global providers
  4. Defense secure/mission critical projects
  5. Nuclear power stations (Hinkley Point, SMR projects, fusion development)
• Most important candidate quality: Breadth of experience and willingness to learn outside comfort zone

• • Must actually design systems, not just manage suppliers
  • Need ownership mentality and self-education drive

Duties of the role:

• Interpreting and understanding detailed project briefs.
• Designing and specifying electrical systems, including LV & MV power, earthing, PV, BESS, and grid-connected renewable technologies.
• Producing detailed electrical calculations using industry-standard tools such as Trimble ProDesign, ETAP, and PV design software.
• Preparing high-quality technical specifications.
• Working closely with our BIM team to develop coordinated Revit models and drawings.
• Carrying out site surveys, inspections, and monitoring installation works.
• Creating clear and technically robust reports and documentation.

They are looking to pay a starting salary of £70,000 - £100,000 + Hybrid working. To apply, press apply now or send your CV to

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