Accountant, Financial Reporting, Financial Compliance

Iron Mountain is seeking a proactive and detail-oriented Accountant (18 months Fixed Term Contract) to join our Finance team. In this role, you will be responsible for ensuring accurate and timely financial and statutory reporting, meeting US GAAP requirements, and managing the critical relationship with our outsourced finance provider for the Benelux (Netherlands, Belgium) and Spain clusters. You will collaborate closely with the Country Controller, Cluster Controller, and our external outsourced accounting shared services team to drive financial compliance and continuous process improvement.

In this role, you will:

• Financial Reporting & Month-End Closing: Support the coordination, review, and accuracy of data reported during month-end closing under US GAAP, including overseeing journals and balance sheet reconciliations.
• Statutory Accounts & Tax Compliance: Oversee the timely preparation of statutory accounts, track tax return submissions, and actively participate in statutory audits alongside the accounting shared services team.
• Outsourcing & Stakeholder Management: Serve as the primary point of contact for the outsourced finance provider to resolve accounting and Accounts Payable queries, while maintaining strong working relationships with internal and external stakeholders.
• Internal Controls & Compliance: Ensure strict compliance with Iron Mountain group accounting policies, US GAAP, and Sarbanes-Oxley (SOX)-Lite regulations, collaborating with the Country Controller to monitor and implement risk-based internal controls.
• Financial Systems & Process Optimisation: Proactively contribute to the regional Finance Systems strategy and support system implementations or additional service transitions to outsourcing partners.

The ideal candidate will have:

• Multinational
  
  Experience:
  
  Proven experience managing a General Ledger close and working within a matrixed, multinational corporate environment (Shared Service Centre experience highly valued).
• Technical Accounting Expertise: Strong foundational knowledge of US GAAP, statutory audit management, and statutory accounts preparation.
• Regulatory & Tax Knowledge: A solid understanding of taxation policies (particularly Value Added Tax/VAT) and exposure to Sarbanes-Oxley (SOX) compliance frameworks.
• Core Competencies: Exceptional communication and team-building skills, a proactive and self-starting mindset with proven problem-solving abilities, and the professional presence to build trusted relationships at all levels.
• Education: An academic degree in Accounting, Finance, or a related discipline.

• Competitive compensation and benefits aligned with experience.
• Flexible work options and alternative work options to support work-life balance.
• Opportunities for continuous learning and professional growth.