Senior Administrative Assistant

Location: Maidenhead | Hybrid (3 days on site)

Length: 19/05/2026 - 18/11/2026 (6 months possibility to extend)

Hour Rate: -15.38 PAYE + Holiday Pay

Our client is looking for an Administrative Professional to support a busy Commercial Operations function within a globally recognised organisation within the biotechnology and healthcare sector.

Responsibilites

• Provide day-to-day administrative and PA support to senior leadership, including diary management and meeting coordination
• Organise internal and external meetings, including agendas, logistics, catering, venues, transportation, and action tracking
• Support leadership team meetings and wider business alignment meetings
• Process expenses through Concur
• Create and manage purchase orders through SAP, including goods receipting and invoice schedule tracking
• Coordinate contracts and agreements using systems including DocuSign and internal contract management tools
• Assist with the creation, formatting, and management of presentations, contracts, tender submissions, and other commercial documentation
• Maintain team distribution lists, organisational charts, calendars, and internal communication channels
• Manage and update Microsoft Teams channels, permissions, notifications, and shared documents
• Support mandatory training reporting and follow up with teams on completion deadlines
• Organise conferences and HCP meetings, including bookings, logistics, and promotional materials
• Prepare and quality-check compliance documentation for approval and archiving processes
• Support HCP and HCO disclosure reporting and data collection activities
• Arrange both domestic and international travel, accommodation, transfers, and itineraries

Qualifications

• Previous experience in an Administrative Assistant, PA, Executive Assistant, or Office Support role
• Strong diary management and meeting coordination experience
• Experience managing purchase orders and administrative processes
• Confident using Microsoft Office applications including PowerPoint, Outlook, Excel, and Teams
• Strong organisational skills with the ability to multitask and prioritise effectively
• Excellent written and verbal communication skills
• Comfortable working across multiple teams and stakeholders
• High attention to detail and ability to manage sensitive documentation
• Team-oriented with strong interpersonal and relationship-building skills
• Experience with systems such as SAP, Concur, DocuSign, or similar is beneficial