PV & BESS Design Engineer

About the opportunity:

You will support the technical development of TSG's solar (PV) and battery energy storage system (BESS) projects throughout the complete project lifecycle, delivering high-quality, optimised designs that meet client, regulatory, and commercial requirements. Additionally, you'll provide in-house technical assurance across solar and BESS schemes within the TSG pipeline, working collaboratively with internal teams and external stakeholders to ensure efficient, compliant and buildable project designs

What you'll do:

• Produce detailed PV and BESS system designs, including layouts, electrical schematics and equipment specifications.
• Support feasibility studies, site assessments, and early-stage project evaluations for new opportunities.
• Develop and review yield assessments, system performance models, and technical reports.
• Collaborate with commercial, project management, and delivery teams to ensure designs are practical and cost-effective.
• Provide technical input into tender submissions and client proposals.
• Review and validate third-party designs to ensure compliance with TSG standards and industry best practice.
• Ensure all designs meet relevant UK standards, grid requirements, and regulatory obligations.
• Liaise with Distribution Network Operators (DNOs) and other stakeholders as required.
• Identify risks, constraints, and opportunities during the design phase and propose solutions.
• Support project handover from pre-construction to delivery teams, ensuring technical clarity and continuity.
• Maintain up-to-date knowledge of solar and BESS technologies, standards, and market developments.

About you, skills and attributes:

(Essential):

• Strong technical knowledge of solar PV systems and/or BESS design principles.
• Experience producing detailed electrical and layout designs (e.g. single line diagrams, cable sizing, system layouts).
• Understanding of UK grid connection processes and electrical standards.
• Ability to interpret technical specifications, drawings, and data.
• Analytical mindset with strong problem-solving capability.
• Effective communication skills, with the ability to explain technical concepts clearly to nontechnical stakeholders.
• Strong organisational skills and attention to detail.
• Ability to manage multiple projects and deadlines.

(Desirable):

• Experience in commercial/utility-scale solar or BESS projects.
• Familiarity with design and simulation software (e.g. PVsyst, PVsol, Revit, AutoCAD or similar).
• Knowledge of battery technologies and energy storage integration.
• Experience engaging with DNO applications and grid connection processes.
• Awareness of planning and environmental considerations for renewable energy projects.
• Degree or equivalent qualification in Electrical Engineering, Renewable Energy, or a related field (or equivalent experience).

Working Pattern:

• Flexible Hybrid
• Office Location: Birmingham
• Office Attendance: 3-4 days per week (flexible around operational and business needs)
• Other: Occasional travel to sites and other TSG locations may be required

Compensation & Benefits

Compensation:

• Salary: £45,000 - £55,000

Benefits:

• Pension (Salary Sacrifice)
• Healthcare Scheme
• Flexible Hybrid working
• 25 days annual leave plus bank holidays
• EV Salary Sacrifice scheme
• Life Assurance

At TSG UK we fully support and encourage your professional development. This role will evolve as TSG's solar and BESS portfolio grows, allowing progression to Senior Design Engineer or Technical Lead roles, alternatively development into broader project or engineering management positions, with further opportunities to specialise in solar, BESS, or wider energy transition technologies.

Diversity, Equity, and Inclusion; our commitment to DEI: As an equal opportunity employer, we are committed to the equal treatment of all current and prospective employees and do not condone discrimination based on age, disability, sex, sexual orientation, pregnancy and maternity, race or ethnicity, religion or belief, gender identity, or marriage and civil partnership. We recognise the value that a diverse and inclusive workforce brings to our business and customers, and we strongly encourage suitably qualified applicants from a wide range of backgrounds to join us.