We are seeking an experienced Principal Senior Electrical Engineer for a design role to join the team on a full-time, permanent basis. Hybrid working is available, though office attendance will be required for principal engineers. Location: Merseyside or Greater Manchester Salary: Up to £65,000 per annum, dependent on experience and level Working Arrangement: 36 hours per week, 4 or 5-day working week flexible Start: ASAP Key Responsibilities: Design electrical systems, including circuitry and schematics, from RIBA Stage 2 onwards Produce and review drawings, specifications, and calculations Ensure designs comply with regulations, standards, and codes Mentor and support junior engineers Drive internal processes and continuous improvements Attend site surveys and meetings as required Requirements: Minimum 10-15 years' experience in an electrical design role Proficient in Dialux, Electrical OM, Revit, AutoCAD, and Amtech Strong understanding of electrical regulations, standards, and codes Experience in mentoring or managing junior engineers Ability to work on-site when required and collaborate effectively in an office environment What's Offered: Flexible 4 or 5-day working week Hybrid working options available Interested applicants are invited to apply by sending their most up-to-date CV.