Payroll Administrator (UK)

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.

THE OPPORTUNITY

Title: Payroll Administrator

Location: UK (remote)

Global Human Resources

Our mission is to identify, develop, and retain the talent and capabilities we need to drive business performance, and achieve our strategic objectives. We are committed to enabling a successful employee experience from Day One at Iron Mountain and creating a supportive, diverse, creative (and fun!) work environment. We’re dedicated to giving employees the HR resources and high level of strategic support they need when they need it, in an integrated, simplified and consistent way across the globe. 

Job summary

The Payroll Administrator is responsible for collecting, validating, preparing and inputting payroll-related data; supporting effective end to end processing which meets business and statutory deadlines.

Your role in our mission: 

Payroll Data Management & Adjustments:

• Collect, validate, and upload employee time data, pension & benefit,  salary details, and payroll adjustments as needed.

• Process payroll adjustments for manual payments made outside of payroll.

• Manage payroll errors and warnings before processing.

• Upload and validate commissions, stock vesting (RSU), and redundancy/settlement payments.

• Conduct hours paid analysis for payroll accuracy.

Leave & Absence Management:

• Add and validate all existing maternity leave records, making adjustments if necessary.

• Process and maintain records for new maternity leave (MatB1 data, confirmation letters).

• Manage administration of new paternity leave and shared parental leave.

• Upload sickness and absence pay adjustments based on unpaid sick leave integration.

• Perform audit checks to ensure sick pay adjustments correctly reduce pay and are not added incorrectly.

Payroll & Compliance Reporting:

• Prepare and review payroll reports pre-commit (before final payroll submission).

• Post-commit reporting, including BACS payment reports and finance reports.

• Generate post-commit bank reports and conduct Payroll audit (bank validation).

• Provide GL (General Ledger) and post-payroll reporting.

• Create and manage customized reports for Average Holiday Pay Calculation.

Third-Party & Compliance Payments:

• Request approval from IRM Governance for third party payments.

• Process and manage GMB (third-party) payments.

Overpayment & Adjustments:

• Issue overpayment letters and manage necessary payroll adjustments.

Valued skills and experience:

• Previous experience in UK payroll administration, payroll coordination, or HR data management. (Other EMEA country experience is a plus)

• Proficiency in payroll and HR software systems (e.g., ADP, IHCM, Workday, SAP, Oracle).

• Advanced Microsoft Excel skills (e.g., VLOOKUPs, pivot tables, data validation).

• Strong numerical and analytical skills with high attention to detail.

• Excellent organizational and time-management skills to meet payroll deadlines.

• Strong communication skills to liaise with HR, Finance, and external stakeholders.

• Experience working in a large, complex organization with high-volume payroll is desirable.

• Strong working knowledge of Workday, SAP, ServiceNow is a plus.

• Experience of working with STRADA (formerly Alight) is a plus

Discover what awaits you

• Discover Limitless Possibilities: Embark on an exciting journey with Iron Mountain, a global organization that embraces transformation and innovation.

• Empowering Inclusion: Join a supportive environment where everyone's voice is heard, opinions are valued, and feedback is encouraged, fostering an atmosphere of inclusion and belonging.

• Global Connectivity: Connect with 26,000+ talented individuals from 59 countries, opening doors to diverse cultures and fostering global learning opportunities.

• Championing Individuality: Be part of a winning team that celebrates diversity and encourages individual differences to drive greatness.

• Competitive Total Rewards: supporting your career at Iron Mountain, family, personal wellness, and wellbeing. (Local benefits may vary based on country-specific policies.)

• Embrace Flexibility: Experience the freedom of remote/hybrid work, enabling a harmonious work-life balance (dependent on role).

• Unleash Your Potential: Access abundant opportunities for personal and professional growth, preparing you for a digitalized future.

• Valuing Every Contribution: Join a workplace that actively encourages and supports all talents, recognizing the unique impact of each individual.

• Pioneering Sustainability: Contribute to our vision of fostering a sustainable and thriving workforce, leaving an enduring legacy for generations to come.

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Category: Human Resources