Electrical Design Engineer Location: Heathrow Airport, LondonContract Role: 6 months + Day Rate: £350 to £425 per day Sector: Aviation / Rail / Pharma / Industrial Automation We are currently recruiting for a specialist electrical and mechanical engineering contractor delivering complex, safety-critical projects across aviation, rail, pharmaceutical, and industrial environments. With a strong presence at Heathrow Airport, The contractor is recognised for its high standards, technical excellence, and ability to deliver live-environment projects with minimal operational disruption. The Role We are seeking an experienced Electrical Design Engineer to support live project delivery at Heathrow Airport. This role requires a hands-on, site-experienced engineer who understands the realities of working in a highly regulated, operational environment. You will be responsible for producing, reviewing, and coordinating electrical designs while working closely with project managers, site teams, and clients to ensure safe, compliant, and buildable solutions. Key Responsibilities Develop electrical designs for live construction projects Support site teams with technical input and design coordination Design and review Low Voltage (LV) systems, including: Lighting Small power Ensure designs comply with BS7671, relevant standards, and Heathrow requirements Liaise with clients, consultants, and stakeholders in live operational environments Participate in site surveys, inspections, and c