Electrical Design Engineer (Contract)
Location: Hybrid, with occasional on‑site attendance
Contract: 6-12 months
IR35: Inside IR35 (Umbrella or PAYE)
Expenses: Business travel expenses covered
Role OverviewWe are seeking an Electrical Design Engineer with proven experience in primary or secondary substation design to support ongoing transmission and distribution projects. The role involves delivering high‑quality technical designs, ensuring compliance with UK standards, and contributing to project milestones within a fast‑paced engineering environment.
Key Responsibilities
Produce detailed designs for primary or secondary substation systems, including layouts, SLDs, schematics, and protection/control arrangements
Develop equipment specifications, cable calculations, earthing designs, and interface documentation
Ensure designs comply with DNO/TSO standards, BS/IEC regulations, and project‑specific requirements
Support design reviews, technical assurance processes, and multidisciplinary coordination
Provide technical input across project stages from concept through to construction supportRequirements
Strong background in primary or secondary electrical design within transmission, distribution, or utility sectors
HNC/HND or degree in Electrical Engineering
Proficiency with relevant design tools (AutoCAD, EPlan, ETAP, DigSILENT or similar)
Understanding of protection schemes, substation layouts, and system integration
Ability to work effectively in a hybrid environment with occasional site visitsContract Details
6‑month contract with potential for extension
Inside IR35 via Umbrella or PAYE
Hybrid working model with expenses covered for approved travel
Must have working Visa for the UK
With over 90 years' combined experience, NES Fircroft (NES) is proud to be the world's leading engineering staffing provider spanning the Oil & Gas, Power & Renewables, Chemicals, Construction & Infrastructure, Life Sciences, Mining and Manufacturing sectors worldwide. With more than 80 offices in 45 countries, we are able to provide our clients with the engineering and technical expertise they need, wherever and whenever it is needed. We offer contractors far more than a traditional recruitment service, supporting with everything from securing visas and work permits, to providing market-leading benefits packages and accommodation, ensuring they are safely and compliantly able to support our clients