Office Manager / Admin Assistant

Get AI-powered advice on this job and more exclusive features. Gaia Powered is an ambitious and fast-growing renewables company specialising in air source heat pumps and solar energy installations. We are committed to building a more sustainable future by helping homes and businesses reduce their carbon footprint. Our sister company, Nelson Charles, is an established M&E contractor delivering high-quality refurbishment projects across London and the South East. This role supports both companies, offering variety and the opportunity to contribute to exciting projects in two thriving sectors. The Role: We’re looking for a proactive and organised Office Manager / Admin Assistant to join our small, dynamic team. This is a remote-first role, but we do require1–2 office days per week in East London for team collaboration, meetings, and general support. You’ll play a key role in keeping both businesses running smoothly—handling day-to-day operations, supporting directors and teams, and ensuring projects and customer service are well-managed. Key Responsibilities: Manage and coordinate office operations and procedures Provide administrative support to directors and project teams Schedule meetings, maintain calendars, and handle communications Support with HR processes such as onboarding and holiday tracking Oversee basic bookkeeping and invoicing (working with external accountants) Liaise with suppliers, clients, and subcontractors Help implement and improve systems and processes across both companies Support project documentation and compliance What We’re Looking For: Previous experience in office management or admin roles (2+ years preferred) Highly organised with excellent communication skills Comfortable using digital tools such as Notion, Google Workspace, and Xero Proactive, problem-solving mindset and a can-do attitude Ability to work independently and manage competing priorities Comfortable working remotely and commuting to East London 1–2 days a week Interest or experience in renewables or construction is a bonus What We Offer: Competitive salary based on experience Flexible working hours (part-time or full-time) Opportunity to grow with a purpose-driven business Collaborative, supportive team culture Real involvement in projects that make a difference To Apply: Please submit your CV and a short cover letter outlining your suitability for the role and whether you\'re interested in part-time or full-time hours. We are reviewing applications on a rolling basis and encourage early submissions. Seniority level Seniority level Entry level Employment type Employment type Full-time Job function Job function Administrative Industries Services for Renewable Energy Referrals increase your chances of interviewing at Gaia Powered by 2x Sign in to set job alerts for “Office Manager” roles. London, England, United Kingdom 5 days ago City Of London, England, United Kingdom £50,000.00-£60,000.00 6 days ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom 1 week ago London, England, United Kingdom 2 weeks ago London, England, United Kingdom 4 weeks ago Executive Assistant to Investor Relations London, England, United Kingdom 2 months ago London, England, United Kingdom 6 months ago City Of London, England, United Kingdom £80,000.00-£85,000.00 1 week ago Executive Team Assistant, Global Investment firm City Of London, England, United Kingdom £40,000.00-£45,000.00 6 days ago London, England, United Kingdom 1 week ago Harrow, England, United Kingdom 1 month ago London, England, United Kingdom 2 months ago London, England, United Kingdom 5 days ago Brentford, England, United Kingdom 2 weeks ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr