Lead Solar Design Engineer

INTEC Energy Solutions; Greater London; On-site; GBP 70,000 - 110,000; Full time

Benefits offered by this job

28 days annual leave

Career development opportunities

Job summary

INTEC Energy Solutions seeks an experienced Lead Solar Design Engineer to drive utility-scale solar PV design across the UK. You will lead design from feasibility to construction-ready delivery, ensuring grid compliance, technical robustness, and commercial optimization.

You will work with project management, construction, procurement and clients, providing design leadership across EPC and turnkey projects while mentoring junior engineers and liaising with DNOs and equipment suppliers.

Qualifications

• Electrical engineer with demonstrated experience delivering utility-scale solar PV projects in the UK or similar markets.
• Strong knowledge of UK grid requirements and PV design principles (DC/AC, inverter selection, string sizing, cable sizing, voltage drop, loss optimization).
• Experience with PVsyst and AutoCAD is required; ETAP and BESS integration experience is a plus.

Responsibilities

• Lead utility-scale solar PV design from feasibility through construction-ready documentation.
• Review design deliverables (PV layouts, single-line diagrams, cable schedules, technical reports) and mentor junior engineers.
• Collaborate with project management, construction, procurement, and clients to ensure buildable, compliant designs.

Skills

PV design

UK grid requirements

Inverter selection

Cable sizing

Tools

PVsyst

AutoCAD

ETAP

BESS integration

Job description

About Us: INTEC Energy Solutions offers its valued customers best-in-class Engineering, Procurement, Construction (EPC), Development, Consultancy, Operations & Maintenance services, and new energy solutions. INTEC excels in creating and developing top-tier, turnkey solar power plants and BESS solutions worldwide, embodying a commitment to excellence and sustainability. With the expertise of a global workforce, INTEC is establishing itself as a leading player, executing over 180 projects globally and achieving a significant installed and secured capacity of over 3.9 GWp. We maintain an active presence across Europe, APAC, the Middle East, Africa, and Türkiye.

INTEC Energy Solutions is seeking an experienced Lead Solar Design Engineer to support utility-scale solar PV projects across the UK.

This is a key technical role responsible for leading solar PV design from feasibility and bid stage through to construction-ready design and project delivery support. The successful candidate will provide design leadership across EPC and turnkey projects, ensuring solutions are technically robust, commercially optimised, grid compliant and buildable.

Key responsibilities

• Leading utility-scale solar PV design, carrying out site assessments, system modelling, energy yield assessments, layout optimisation and preparing or reviewing key design deliverables such as PV layouts, string layouts, single-line diagrams, cable schedules, technical reports and design calculations.
• You will also support design reviews, technical queries, value engineering, construction handover and the mentoring of junior engineers.
• You will work closely with project management, construction, procurement, commercial, business development and engineering teams, while also liaising with clients, DNOs, NGESO, consultants, subcontractors and equipment suppliers.

Requirements

• We are looking for an electrical engineer with proven experience designing and delivering utility-scale solar PV projects in the UK or comparable markets.
• You should have strong knowledge of UK grid requirements, and an understanding of PV design principles including DC and AC design, inverter selection, string sizing, cable sizing, voltage drop, loss optimisation and system performance.
• Experience with PVsyst and AutoCAD is required
• ETAP and BESS integration experience would be highly advantageous.

This role would suit a technically strong solar design professional who enjoys leading design activity, working with multiple stakeholders and helping deliver high-quality renewable-energy projects that support the UK’s energy transition.

INTEC offers a competitive salary, 28 days’ annual leave excluding bank holidays, career-development opportunities and the chance to join a growing global renewable-energy company.