A fast-growing company operating across renewable energy and grid infrastructure projects in the UK is seeking a Part-Time Admin / Bookkeeper to take ownership of all office-based responsibilities and support the smooth running of operations. *MUST HAVE EXPERIENCE IN THE RENEWABLE ENERGY SECTOR* Location: Lincolnshire Salary: £24,000 per annum based on experience Hours: Part-Time (with potential to become Full-Time)/Hybrid Key Responsibilities: * Manage daily administrative and financial tasks * Oversee the onboarding process for new clients and subcontractors * Handle HSE-related documentation (experience with Citation or Atlas platforms preferred) * Issue invoices and monitor payments * Collect and process weekly timesheets from site teams * Maintain insurance certificates and compliance records * Manage tax and VAT submissions and payments * Assist with drafting contracts for clients and subcontractors * Liaise with site teams and management to support project delivery What We’re Looking For: * A self-starter with strong organisational and time management skills * Experience in bookkeeping and general administration * Familiarity with HSE paperwork and systems * Knowledge of the renewable energy or construction industry is a plus * Proficiency in Microsoft Office and digital admin platforms * Bonus: Experience using Citation or Atlas for HSE management What We Offer: * A key position in a growing renewable energy contractor * Flexible part-time hours, with the potential to transition to full-time * Hybrid working model with regular attendance at the Bicker Fen office * A supportive team environment with room for professional growth * Involvement in high-profile renewable energy projects