At Iron Mountain we know that work, when done well, makes a positive impact for our customers, our employees, and our planet. That’s why we need smart, committed people to join us. Whether you’re looking to start your career or make a change, talk to us and see how you can elevate the power of your work at Iron Mountain.

We provide expert, sustainable solutions in records and information management, digital transformation services, data centers, asset lifecycle management, and fine art storage, handling, and logistics. We proudly partner every day with our 225,000 customers around the world to preserve their invaluable artifacts, extract more from their inventory, and protect their data privacy in innovative and socially responsible ways. 

Are you curious about being part of our growth stor​y while evolving your skills in a culture that will welcome your unique contributions? If so, let's start the conversation.

Iron Mountain is seeking an experienced and motivated UKI Assistant Controller to join our Finance team (Controlling & Accounting). This key role is responsible for overseeing the financial control environment, accounting, and internal control activities for the Iron Mountain United Kingdom & Ireland (UKI) entities. You will ensure accurate monthly accounting in local systems and manage group reporting, leveraging your business knowledge to anticipate and resolve potential problems efficiently.

What You'll Do (Responsibilities)

In this role, you will:

Lead the management of the Cluster’s Controlling and Accounting teams, ensuring the month-end closing and all relevant reporting (monthly, quarterly, & annual) are completed accurately and within US reporting deadlines.Account for compliance with IRM group accounting policies, US GAAP, and SOX; this includes performing and reviewing balance sheet account reconciliations and ensuring the design and implementation of effective internal controls.Drive continuous improvement initiatives, including supporting finance systems optimization and the effective operation of accounting in the country, managing resolution of identified issues, and supporting transitions to outsourced service providers.Oversee critical financial processes, including supporting the production of the monthly UKI Cluster’s flux analyses, monitoring revenue recognition risk, and providing support for M&A activities and due diligence projects.Manage all relations with outsourced service providers (TCS), Audit & Tax Consultants, and local accounting companies, while advising on accounting and tax issues and supporting the preparation of the Statutory Financial Statements.

What You'll Bring (Skills & Qualifications)

The ideal candidate will have:

Chartered Accountant (CA, ACCA, CPA, or local equivalent) certification.Management experience including managing employees, particularly experience working within a matrix organization or shared service environment.Strong knowledge of US GAAP and IFRS, with significant exposure to SOX (Sarbanes-Oxley) compliance and experience managing a General Ledger close for a large multinational corporation.Proven ability as a proactive self-starter with excellent communication, team-building, and problem-solving skills.

What We Offer (Benefits)Competitive compensation and benefits aligned with your experience.Hybrid working model to support work-life balance.Opportunities for continuous learning and professional growth.

Category: Finance