Office Assistant

About the role

We are looking for an Office Assistant to own the operational infrastructure of our London office, supporting finance, HR and facilities functions. You will ensure smooth day‑to‑day operations, allowing the team to focus on building our energy‑data platform.

Key responsibilities

• Manage the receipt‑and‑invoice pipeline, collect receipts, upload to Ramp and reconcile weekly with finance.
• Draft vendor and contractor invoices for finance review and dispatch.
• Coordinate onboarding: start dates, IT access, equipment setup and paperwork.
• Handle IT access requests, seat allocation and maintain internal systems.
• Maintain office facilities – keep the space clean, stocked, manage cleaning contractors and resolve Wi‑Fi or other issues.
• Organise guest visits, meetings, hospitality and on‑site interview logistics.
• Own business operations such as Slack workspace health, Google Drive structure and Notion updates.

Required profile

• Previous experience in operations, finance administration, HR administration or office management.
• Proactive attitude with the ability to build and improve processes.
• Comfortable handling routine tasks such as receipt chasing, invoice drafting and visa coordination.
• Strong organisational skills and the capacity to spot problems before they become crises.

Required skills

• Experience with Ramp or similar expense management tools.
• Proficiency in Google Drive.
• Familiarity with Notion for documentation.
• Use of Slack for internal communication.