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 story while evolving your skills in a culture that will welcome your unique contributions? If so, let's start the conversation.
Iron Mountain is seeking a detail-oriented and strategic Financial Controller to join our Customer Excellence team
In this role, you will be responsible for maintaining the integrity of project P&Ls, ensuring accurate revenue recognition across international borders, and safeguarding project margins through diligent change management and scope control
In this role, you will:
Financial Integrity & Reporting: Manage the end-to-end financial lifecycle of high-impact projects by reconciling multi-country data inputs to deliver accurate consolidated billing and real-time P&L transparency
Stakeholder Collaboration: Partner closely with regional leads and internal stakeholders to justify price adjustments and manage "scope creep," ensuring evolving project requirements are captured as billable change requests
Regulatory Compliance: Ensure all financial operations and revenue recognition schedules strictly adhere to international accounting standards (IFRS/GAAP) and local corporate compliance protocols
The ideal candidate will have:
5+ years of experience in project accounting or financial controlling, ideally within a global or multi-country environment
Strong knowledge of ERP systems (such as Oracle) and advanced data visualization tools to drive financial insights
Proven ability in negotiation and stakeholder management, specifically the ability to communicate complex financial justifications to diverse audiences
A professional accounting qualification (e.g., CA, CPA, or equivalent) is highly preferred
Shifts: This role will align to UK working hours.
Location: Warsaw, hybrid
Competitive compensation and benefits aligned with your experience
Flexible work options and alternative work arrangements to support a healthy work-life balance
Comprehensive health, wellness, and retirement plans
Opportunities for continuous learning and professional growth through our global network
Category: Finance
In the era of AI, your data is your advantage. Yet too often it remains untapped: disconnected from systems, underutilized, untrained, and exposed to risk. Iron Mountain is the trusted partner for organizations of all sizes to unlock what’s possible, transforming information into intelligence and assets into advantage.
How? By seamlessly managing digital and physical assets of all kinds across their lifecycle—making them visible, secure, accessible, and AI-ready. From payments to pathology, mortgages to media, fine art to IT, we’ve helped more than 240,000 customers around the world, including 95% of the Fortune 1000, unlock more value from what’s already within reach. All with unparalleled security, governance, and sustainability at every step.
What can we unlock together?
