Executive Assistant (25 - 30 hours) – £45,000–£55,000 | Harwell | Hybrid - pro rata Monday to Wednesday office based, remaining hours home based - this is essential Are you a highly organised, proactive multitasker who thrives in a fast-paced environment? We’re looking for an Executive Assistant who loves keeping things running smoothly and enjoys supporting senior leaders who are passionate about making a real impact. This is a flexible, part-time role (25–30 hours) where you’ll work closely with our CEO, CTO, and wider leadership team—becoming a trusted partner at the heart of the business. We are keen to talk to experienced EA's who have with a STEM or start-up background. You will need to be a strong character with the ability to manage a SLT who are all over the world. The CEO is office based Monday to Wednesday so they require the EA to be present during these times, the remaining hours can be from home. What You’ll Be Doing Support the Leadership Team * Keeping the CEO, CTO, and leadership team organised, focused, and on track * Managing complex diaries, scheduling meetings, and coordinating travel - international * Organising board meetings and taking clear, accurate minutes * Acting as a key internal and external point of contact * Managing inboxes and prioritising communications with confidence Communications & People * Ensuring internal communications are smooth, timely, and consistent * Helping embed our company values into everyday culture * Coordinating onboarding so new starters feel welcomed and supported * Managing offboarding when colleagues move on * Working with external HR consultants on policies and people matters * Handling Sponsor Licence responsibilities and people-related admin Internal Projects * Collaborating with the CEO and CTO on a range of internal initiatives * Identifying opportunities to improve how we work—and driving change * Pulling together reports and business-wide updates What We’re Looking For * Exceptionally organised with excellent communication skills * Comfortable multitasking and adapting quickly * Experience supporting senior leaders in a busy, fast-paced environment * A people person who enjoys helping others succeed * Must have EA experience within a Bio Tech company * Someone proactive, independent, and confident taking ownership * Priority will be given to candidates on a start up or STEM background * Priority will be given to candidates who have worked within an SME Benefits * £45,000–£55,000 per annum (pro-rata) * 25 days holiday (pro-rata) * Medical and Dental Health Plan * Life Assurance * Income Protection Cover If you’re looking for a part-time role where you can truly make a difference and be a key part of an ambitious, values-driven team we’d love to hear from you