Senior Administrative Assistant - Commercial Operations

  • Adecco
  • Maidenhead, Berkshire
  • May 07, 2026
Seasonal Call Centre / CustomerService

Job Description



Senior Administrative Assistant - Commercial Operations (UK & Ireland)

Location: Maidenhead (UK)
Contract role 6 Months -Possibility to become perm



About the Role

You'll be at the centre of activity-working across teams, managing priorities, and helping deliver impactful commercial initiatives across the UK & Ireland.



What You'll Be Doing

Executive & Team Support (Core Focus)

  • Provide day-to-day support to the Commercial Leadership Team, including diary management and expense processing
  • Attend key meetings, capture actions, and track project progress
  • Coordinate UK team and leadership meetings-setting agendas and managing communications
  • Prepare high-quality presentations, reports, and commercial documents
  • Manage internal communications, Teams channels, and team updates
  • Support brand teams with conferences, events, and stakeholder meetings


Contracts, Finance & Processes

  • Create and manage purchase orders (SAP) and support invoice processing
  • Coordinate contracts with Legal and Procurement teams, including Docusign approval workflows
  • Ensure smooth document management across platforms like Veeva


Compliance & Reporting

  • Support compliance processes including document reviews and archiving
  • Assist with HCP/HCO disclosure reporting and maintain accurate records
  • Run reports and track completion of mandatory training activities


Travel & Logistics

  • Arrange domestic and international travel, including complex itineraries
  • Organise events, meetings, and off-site activities-handling all logistics end-to-end


What We're Looking For

  • Exceptional organisational and multitasking skills
  • Strong attention to detail and ability to prioritise competing demands
  • Confident communicator with excellent written and verbal skills
  • Advanced PowerPoint and document formatting skills
  • Strong stakeholder management and relationship-building capability
  • A proactive, "can-do" attitude and a true team player
  • Experience working in a fast-paced corporate or commercial environment


Why Join Us?

  • Be part of a growing and impactful commercial function
  • Exposure to senior leadership and cross-functional teams
  • Opportunity to develop your career within a highly collaborative environment



Adecco acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers. The Adecco Group UK & Ireland is an Equal Opportunities Employer.

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