Junior Solar PV Designer

Company: Cobalt Recruitment
Apply for the Junior Solar PV Designer
Location: London
Job Description:

Are you passionate about renewable energy and looking to play a key role in delivering high-quality commercial and industrial rooftop solar projects?

Cobalt is partnering with a rapidly growing renewable energy business that specialises in designing and delivering innovative rooftop solar PV solutions across the commercial, industrial and real estate sectors throughout the UK. Backed by strong investment and an impressive project pipeline, they are now looking to appoint a Junior Solar PV Designer to join their expanding team.

This is an exciting opportunity to join a business at the forefront of the UK’s energy transition, where you’ll have genuine responsibility, work on high-profile projects and contribute to the continued growth of the company.

The Role

As a Junior Solar PV Designer, you will take ownership of the design and technical delivery of commercial and industrial rooftop solar PV projects from initial feasibility through to installation. Working closely with project managers, engineers and external partners, you’ll ensure solutions are technically robust, commercially viable and delivered to the highest standards.

Key Responsibilities

  • Produce high-quality rooftop solar PV designs for commercial and industrial projects.
  • Carry out site visits and feasibility assessments to determine optimal system layouts.
  • Design and model systems using industry-standard software such as PV Sol, HelioScope or similar.
  • Prepare design calculations, technical documentation and project cost estimates.
  • Dealing with DNO’s and submitting G98 and G98 applications.
  • Collaborate with internal teams and external stakeholders to ensure projects meet technical, regulatory and commercial requirements.
  • Support project delivery from concept through to installation.
  • Keep up to date with emerging technologies, industry developments and best practice within the renewable energy sector.

About You

  • 1-2 years experience designing rooftop solar PV systems, ideally within the commercial and industrial sector.
  • Strong understanding of solar PV design principles and system optimisation.
  • Experience using PV Sol, HelioScope or equivalent design software.
  • Excellent communication and organisational skills.
  • Able to manage multiple projects within a fast-paced environment.
  • Passionate about renewable energy and committed to delivering high-quality solutions.

What’s on Offer

  • Salary competitive based on experience.
  • Comprehensive benefits package.
  • 25 days annual leave plus bank holidays.
  • Hybrid working with four days per week in the London office.
  • Opportunity to join a fast-growing, well-funded renewable energy business with an exciting long-term project pipeline.

When applying to any role through Cobalt, your CV will never be shared with a client without your prior consent. Apply in confidence below or get in touch with me for a confidential discussion about the position via sgreeff@cobaltrecruitment.com or 07458161399.

Posted: July 9th, 2026