Office Assistant in London

About RHAELM

RHAELM is the sovereign AI cloud built to accelerate secure AI deployment at scale, combining power and infrastructure pipelines with global capability and local, in-country operations. Headquartered in London, with deployments across Europe and APAC, we deliver ring-fenced compute, networking, and storage infrastructure alongside a sovereign platform and flexible Bare Metal, Kubernetes, and AI-as-a-Service models. Focused on regulated and mission-critical sectors, we give organisations sovereign control over their AI infrastructure, platform, and data.

This Role

You will be the face of our London headquarters. From welcoming clients and visitors to setting up meeting rooms, handling deliveries, assisting with post runs and catering requests, and supporting the Office Manager and Executive team, you will make sure the workplace is secure, organised and ready every day. This is a hands-on, in-person role, five days a week in our London office. You will be comfortable with manual handling, able to manage your workload through busy and quiet times, and bring a friendly, reliable, can-do attitude. You will also handle confidential information with the care our government and defence customers expect.

Key Responsibilities

• Welcome clients, candidates and visitors, and manage sign-in, passes and security procedures
• Keep reception, communal areas and meeting rooms presentable and ready, including AV and video-conferencing checks
• Set up and reset meeting rooms, including physically moving furniture and equipment
• Receive and distribute deliveries and supplies, using safe manual handling techniques
• Assist with post runs, courier bookings and the secure handling of sensitive deliveries
• Assist with ad-hoc catering requests for meetings, visitors and team events
• Order and track office supplies, stationery and refreshments within budget
• Support the Office Manager and Executives with room, diary and travel bookings and expense reconciliation
• Support health and safety, including fire walks, first aid and fire marshal coordination
• Prepare desks, equipment and access for new joiners, and help coordinate team events

Experience

• At least 1 year in an office assistant, reception, administration or customer-facing role
• Experience in a professional services, technology or financial services environment is preferred
• Experience managing post, couriers, supplies and meeting room bookings
• Comfortable working with confidential information and security procedures
• Exposure to a regulated, government or defence setting is desirable

Skills

• Friendly, reliable and can-do attitude, with a polished, professional manner
• Proactive, and able to manage workload through busy and quiet times
• Comfortable with manual handling and the physical handling of deliveries and meeting room set-ups
• Able to work in person, five days a week
• Strong organisation and calm prioritisation of competing requests
• Proficient in Microsoft 365 and quick to learn new workplace tools
• Attention to detail and sound judgement on confidentiality