Rubicon Consulting is currently recruiting for multiple Contact Design Approval Engineers (CDAE) for all design disciplines – Primary on 6 month rolling contracts 2-3 days in the office in Manchester Remote/hybrid. Role Summary Outside IR35 Primary CDAE · Focuses on substation layout and physical design (400kV/275kV/132kV). · Reviews single line diagrams, general arrangements, equipment layouts, busbar configurations, clearances, and earthing. · Ensures designs meet National Grid standards, TP141, ENA, IEC etc. · Coordinates with secondary, civil, and protection disciplines. Secondary CDAE · Covers protection & control, SCADA, telecoms, and auxiliary systems. · Reviews schematics, wiring diagrams, relay settings, CT/VT sizing, SAS/IEC 61850 configurations. · Ensures correct integration with National Grid’s operational and control systems. · Provides assurance that schemes meet resilience, redundancy, and operability requirements. Civils CDAE · Responsible for civil and structural design assurance on substations and cable routes. · Reviews foundations, buildings, trenches, access roads, drainage, fire protection, bunding, and steelwork. · Checks compliance with CDM, geotechnical, environmental, and NG civil standards. · Interfaces with primary plant to ensure loadings and spatial requirements are met. O...