Office Manager – Helsinki

About the role

Mercury, the European leader in construction solutions, is looking for an experienced Office Manager to ensure the smooth operation of its Helsinki office. You will support senior leadership, manage administrative processes, and act as a key liaison between staff, HR, and IT.

Key responsibilities

• Coordinate staff travel, accommodation and holiday rotas for senior personnel.
• Attend senior‑management meetings, record minutes and distribute them to relevant parties.
• Maintain a productive office environment, order supplies and manage service agreements.
• Lead the Administration, Payroll and Time Management team, ensuring accurate processing of high‑volume employee time data.
• Organise data in spreadsheets, generate reports and handle paperwork as required.
• Work with IT to order hardware, communicate replacements and ensure timely delivery.
• Provide professional secretarial support for client correspondence, proposals and presentations.
• Collaborate with HR to keep office policies up to date and seek continuous improvements in efficiency.

Required profile

• Minimum 5 years of experience as an administrative assistant supporting senior management.
• Business qualification at Level 5 or higher.
• Proven experience in a fast‑paced construction environment.
• Strong ability to handle confidential information professionally.

Required skills

• Microsoft Outlook
• Microsoft Excel
• Microsoft Word
• Microsoft PowerPoint
• Microsoft OneNote
• Microsoft SharePoint
• SAP