Design Engineer - Commercial and Industrial and Utility Scale Solar PV

Solar Careers UK; London; On-site; GBP 45,000 - 65,000; Full time

Job summary

A leading company in the renewable energy sector is seeking a Design Engineer to work on commercial and utility-scale Solar PV projects. The role involves designing and reviewing solar plants, ensuring compliance with standards, and providing technical support across various phases. Ideal candidates will have a strong background in electrical engineering and experience with solar systems design. Join a dynamic team and contribute to the UK’s ambitious solar power goals.

Qualifications

• Experience in designing Solar PV systems at commercial or utility scale.
• Knowledge of inverter specs and array sizing.

Responsibilities

• Designing and reviewing Solar PV plants and integrating EESS.
• Conducting engineering calculations and data analysis on plant performance.

Skills

Designing Solar PV systems

Electrical systems design

Yield optimization

Technical support

Education

Undergraduate degree in STEM

Membership of a professional body

Tools

AutoCAD

PVSyst/PVSol

MS Office

Job description

Design Engineer - Commercial and Industrial and Utility Scale Solar PV

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With the UK government's ambitious goal of delivering 60GW of solar power by 2030, Solar Careers UK aims to recruit, train, and place over 60,000 professionals in the solar and battery storage industry.

Solar Careers UK, part of Solar Energy UK, representing 425+ solar businesses, is assisting in recruiting full-time, permanent installation teams across the UK.

The role involves working within the renewable energy sector, designing and reviewing Solar PV plants and integrating Electrical Energy Storage Systems (EESS).

Responsibilities:

• Systems specification, design, documentation, and review per ISO / IEC / BS standards, including IET PV CoP, BS 7671 18th Edition
• Developing customer-specific photovoltaic concepts, detailed design, and implementation planning including yield simulations
• Authorizing, reviewing, and amending LV, SLD, and schematics
• Designing and reviewing electrical protection schemes
• Assessing grid compliance and earthing reports, liaising with consultants and manufacturers
• Designing LV electrical equipment, including UPS, cables, meters, CTs, switchgear, transformers, inverters
• Performing cable sizing and optimization calculations, issuing schedules for procurement and installation
• Analyzing survey results for system design and piling locations
• Designing within planning and flood risk constraints, supporting planning applications
• Evaluating technical options for mounting systems and modules considering local conditions
• Ensuring design compliance with planning and structural requirements
• Providing technical support during sales, procurement, construction, and implementation phases
• Collaborating with DNO, procurement, operations, legal, and project teams
• Designing and reviewing earthing systems and LPS
• Reviewing BESS proposals, including inverter and cell technology, sizing, and optimization
• Issuing commissioning and operational instructions, maintaining document control
• Designing systems for energy flow monitoring, inverter parameters, export limitations, and load monitoring
• Interpreting standards and documenting their applicability to EPC designs
• Conducting engineering calculations and data analysis on plant performance
• Reviewing and issuing reports as a technical advisor
• Conducting site surveys, inspections, and checking As-Built documents

Requirements
Experience:

• Designing Solar PV systems at commercial or utility scale
• Knowledge of inverter specs, array sizing, yield optimization, module selection, and component assessment
• Proficient in electrical systems design, including power circuits, SCADA, and communication systems
• Understanding of ENA recommendations (P28, G59/G99, G100) and solutions to meet them
• Familiar with electrical design software for cable sizing and protection
• Proficient in AutoCAD, PVSyst/PVSol, MS Office (Excel, Outlook, SharePoint)

Education:
Qualifications:

• Undergraduate degree in STEM, preferably Electrical Engineering, or equivalent experience/certification
• Membership of a professional body (e.g., Chartered Engineer) is desirable

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Industries: IT Services and IT Consulting

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Locations include Uxbridge, London, Hertfordshire, Biggin Hill, and Greater London, with recent postings from 15 hours to 3 weeks ago.