Part-time: 4–5 half days per week (flexible on mornings or afternoons) Hybrid working, with 2–3 days in the office in Aldgate (typically Tues–Thurs, flexible) A dynamic and fast-growing energy infrastructure start-up is seeking a proactive and personable Part-Time Office Manager/Team Assistant to support a close-knit team in a varied ongoing temporary role. With the business entering an exciting growth phase, this is a fantastic opportunity to join a high-performing, entrepreneurial environment. Supporting a small team of finance, legal and engineering professionals, the Office Manager/Team Assistant will take ownership of day-to-day office coordination, including office management, travel arrangements, meeting scheduling, supplier liaison and support around events and conferences. The culture is independent, bright and collaborative, so they are looking for an Office Manager/Team Assistant who is confident, proactive, happy to contribute ideas, and actively support a busy team. Ideal Office Manager/Team Assistant: 3 years office management/team assistant experience Interest in sustainability/ESG (environmental, social, and governance) highly desirable Experience or interest in marketing desirable Available immediately Proactive, hands-on and highly organised Confident communicator with a positive, can-do approach, ready to hit the ground running from day one A brilliant opportunity for a capable and engaging Office Manager/Team Assistant looking for a varied role within an exciting growth business.