Electrical Design Engineer - Utility Solar & BESS

Nexus Design Group; Greater London; On-site; GBP 70,000 - 100,000; Full time

Job summary

Nexus Design Group is seeking an experienced Electrical Design Engineer to own the end-to-end electrical design for utility-scale Solar PV and BESS projects in the UK. You will work from Concept through Construction-stage IFC packages and produce client-ready deliverables with minimal supervision.

The role is hands-on, not a reviewer, requiring delivery of layouts, BOQs, and detailed calculations, including PVsyst modelling, cable sizing, and inverter selection. UK standards knowledge essential.

Qualifications

• 5–8+ years of electrical design experience in utility-scale Solar PV and/or BESS.
• Ability to deliver design packages independently with client-ready outputs.
• Experience with PVsyst for yield modelling and P50/P90 reporting.
• Familiarity with AutoCAD for 3D layout, SLD, and general arrangement drawings.

Responsibilities

• Solar PV layout design and stringing/DC-AC cabling topology.
• DC-coupled Solar+BESS hybrid architecture, including DC metering design.
• Energy yield modelling and P50/P90 reporting.
• Inverter selection and sizing (string and central).
• Full cable sizing calculations: current rating, voltage drop, short-circuit withstand.
• Cable pulling calculations: conduit/trench fill ratios, pulling tension, sidewall bearing pressure.
• Preliminary and detailed BOQ production.
• Site visit reports and constraints assessment.

Skills

Electrical design

Solar PV

BESS experience

Independent delivery

Tools

PVsyst

Cableizer

AutoCAD

Inverter platforms (Sungrow/Huawei)

Job description

Nexus Design Group is seeking an experienced Electrical Design Engineer to own the end-to-end electrical design for utility-scale Solar PV and BESS projects in the UK. You will work from Concept through Construction-stage IFC packages and produce client-ready deliverables with minimal supervision.

The role is hands-on, not a reviewer, requiring delivery of layouts, BOQs, and detailed calculations, including PVsyst modelling, cable sizing, and inverter selection. UK standards knowledge essential.