LON - 2026 - Office Assistant

Greenhouse Software, Inc.; Greater London; On-site; GBP 21,000 - 28,000; Full time

Benefits offered by this job

Non-contributory pension scheme

Training opportunities

Free breakfast and lunch

Job summary

IMC is seeking an Office Assistant in London to support all employees at our city office. You will be the first point of contact and host for visitors, coordinate events, and help ensure smooth day-to-day reception operations.

We value hospitality, organisation, and a proactive, team-oriented approach. The role includes travel arrangements, mail management, and collaboration with the Office Manager on events and supplies.

Qualifications

• At least 1 year of experience in a similar role (Receptionist, Office Assistant, Host/Hostess) in an international environment.
• Strong command of English (spoken and written).
• Experience with Microsoft Office applications.

Responsibilities

• Acting as host/hostess for 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 the reception desk is kept in good order.
• Supporting leaders with ad hoc administrative tasks, including travel bookings via Egencia and scheduling meetings.
• Performing various administrative tasks.

Skills

Reception experience

English proficiency

MS Office

Interpersonal skills

Organizational skills

Proactive attitude

Job description

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:

• 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.

IMC Trading's operations are global in nature and the ability to travel to the United States for work is a requirement of the graduate traineeship program. Please note that the U.S. Consulate General is currently facing challenges with visa approvals for candidates from Russia, Belarus, Iran or Ukraine. As a result, we will be unable to proceed with your candidacy for the graduate traineeship program at this time. We greatly appreciate your understanding and hope to consider you for future opportunities.

At IMC, we understand the importance of diversity, equity and inclusion, and are committed to continually improving this in our recruitment process. As part of our commitment, we have added an additional question below, to better understand our candidates, and focus our marketing, sourcing and interviewing efforts, to ensure equitable outcomes. This question is voluntary, and the information you provide will only be used for the purpose stated above and will not be shared with interviewers in the application process. If you do not wish to provide a response to the question, there will be no adverse impact on your application.