Design Engineer - Commercial & Industrial, Utility Scale Solar PV | London in Westminster

Responsibilities

• Systems specification, design, documentation and review in accordance with relevant ISO / IEC / BS standards, including IET PV CoP, BS 7671 18th Edition.
• Development of customer‐specific photovoltaic concepts as well as detailed design and implementation planning including yield simulations.
• Authorising, reviewing and amending Low Voltage (LV), Single Line Diagrams (SLD) and schematics.
• Electrical protection scheme design and review.
• Appointing consultants and assessing grid compliance and earthing reports.
• Low Voltage electrical equipment review, specification, selection and design to include Uninterruptible Power Supply (UPS), cable, meter, Current Transformer (CT), switchgear, filter, transformer, inverter.
• Liaison with electrical equipment manufacturers, technical advisors and consultants.
• Cable sizing and optimisation calculations according to installation conditions; issuing of LV and DC cable schedules for procurement and installation requirements.
• Organising and analysis of topographical and utility survey results to support system design and piling locations.
• Designing within planning constraints and flood risk assessment constraints. Support planning applications with design drawings.
• Evaluation of the technical implementation options and selection of suitable mounting system and modules considering local conditions.
• Ensure compliance of design with considerations such as planning and structural engineering.
• Technical support of sales and purchasing with layout and technical issues in the offer.
• Technical support of the project managers in the construction and implementation phases of the project.
• Close working and good communication with colleagues in Distribution network operator team (DNO), procurement, operations, legal, project development, project management and the subsidiaries.
• Earthing system design and review.
• Last planner system design review (LPS).
• Battery Energy Storage System (BESS) - supplier proposal reviews: inverter and cell technology, sizing and optimisation calculations.
• Issuing of commissioning and operational instructions documentation e.g. shutdown procedures; briefing notes for owners and technical advisors.
• Maintain strict control of document register and track document changes.
• Design systems to monitor energy flow, inverter parameters, export limitation and client load monitoring.
• Interpretation of relevant ISO / IEC / BS standards and documentation of applicability to Engineering, Procurement, and Construction (EPC) designs.
• Engineering calculations and operational data analysis e.g. plant performance, performance ratio analysis, operational losses etc.
• Technical advisor reports: review, assessment and issuing of responses.
• Site survey, construction inspection and As‐Built document checks.

Qualifications

• Professional Solar PV system design experience at commercial or utility scale.
• Demonstrable knowledge of inverter specification, array sizing, yield optimisation, module selection and component assessments.
• Proficient in electrical systems design, including electrical power circuits (High voltage, low voltage, AC and DC), SCADA, communications systems and other equipment.
• Understanding of P28, G59/G99, G100 and similar Energy Networks Association (ENA) recommendations and design/implementation of solutions to meet these requirements.
• Familiarity with electrical design packages to assist with cable sizing and/or protection, discrimination and optimisation.

Technical Software

• AutoCAD
• PYSyst / PVSol
• MS Office (particularly Excel for data analytics), Outlook, SharePoint

Education

• Undergraduate degree in STEM subject; ideally Electrical Engineering, or equivalent professional experience and/or certifications.
• Membership of professional body eg. Chartered Engineer desirable.