LON - 2026 - Office Assistant

IMC is looking for an Office Assistant to support all employees at our London office. In this varied role, you will be the first point of contact and act as host/hostess for both external and internal visitors. In addition, you will be co-responsible for a wide range of activities and events. In this versatile position, you and your colleagues will ensure the smooth day-to-day running of the reception.
We are looking for a proactive candidate who places a high value on hospitality: an energetic team player who is well-organised, loyal, flexible and sociable.
Your Core Responsibilities:
Acting as host/hostess for both internal and external visitors
Booking travel arrangements and preparing travel itineraries
Handling telephone and email communication
Managing incoming and outgoing mail and courier deliveries
Acting as the point of contact for various suppliers, including courier services
Assisting the Office Manager with office events
Managing office supply inventory
Coordinating meeting room bookings and ensuring that these, as well as the reception desk, are kept in good order
Supporting leaders with ad hoc administrative tasks, including booking travel via Egencia, processing expenses, and scheduling meetings
Performing various administrative tasks
Your Skills and Experience:
At least 1 year of experience in a similar role (Receptionist, Office Assistant, Host/Hostess) in an international environment
Strong command English (both spoken and written)
Experience with Microsoft Office applications
Strong interpersonal and organizational skills
Proactive, solutions-focused with a can-do attitude
What we offer:
A competitive salary
Excellent secondary benefits, including a non-contributory pension scheme, training opportunities, and free breakfast and lunch
You will work in a dynamic international environment with an open and collaborative culture where no two days are the same.
About Us
IMC is a research-driven trading firm where quantitative modeling, machine learning, and engineering shape how modern markets are traded. A stabilizing force in markets since 1989, we provide liquidity across trading venues, delivering the best outcome in value and risk management to investors. Using our own technology and capital, we build proprietary systems and algorithms that operate across global markets. Our researchers, traders, and engineers work as a collective, combining rapid experimentation, advanced infrastructure, and real-time feedback to turn insight into execution and execution into advantage.