Senior Payroll Analyst

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 a detail-oriented, highly skilled UK Senior Payroll Analyst to join our EMEA Payroll team.

In this role, you will be responsible for overseeing and managing end-to-end UK payroll operations. You will ensure precise data preparation, validate calculations, collaborate closely with our external payroll vendor, and resolve employee queries while continuously driving process optimization and compliance.

What You'll Do (Responsibilities)

In this role, you will:

• Payroll Operations & Delivery: Oversee, prepare, review, and execute accurate UK payroll processing. Timely prepare, validate, and submit data to our payroll vendor according to established schedules and payroll calendars.

• Vendor & Stakeholder Collaboration: Partner with our external payroll vendor to monitor SLAs, manage payroll cycles, and support key initiatives such as annual processes, payrolling benefits, salary sacrifice schemes, and system setup.

• Employee & Customer Support: Act as a key point of contact for employee compensation queries. Collaborate with internal and external Workforce Administration (WFA) teams via case management systems to resolve escalations and ensure high customer satisfaction.

• Process Excellence & Automation: Continuously review, document, and refine existing payroll processes. Leverage advanced Excel/Google Sheets, formulas, and AI tools to drive process automation, data validation, and continuous improvement.

• Service Metric & SLA Monitoring: Track case volumes, resolution metrics, and service level performance for both internal teams and external vendor partners.

• Compliance & Governance: Strictly adhere to all applicable UK payroll regulations, tax laws, National Insurance (NI) standards, company policies, and our Code of Ethics and Business Conduct. Complete all mandatory compliance training on time.

What You'll Bring (Skills & Qualifications)

The ideal candidate will have:

• Proven direct experience in UK Payroll Operations (in-house or vendor side).

• In-Depth UK Payroll Expertise: Comprehensive technical knowledge of UK tax calculations, National Insurance (NI), salary sacrifice schemes, system and wagetype setup, and payroll project management.

• System & Tech Proficiency: Hands-on experience with core HRIS (preferably Workday) and case management platforms (ideally ServiceNow).

• Advanced Technical Skills: Strong capability in Excel / Google Sheets formulas, along with a forward-thinking approach to using AI adaptation to enhance automation, data validation, and accuracy.

• Analytical & Problem-Solving Capabilities: Proven track record in root-cause analysis, conflict resolution, customer-interfacing communications, and thriving under pressure.

• Adaptability & Collaboration: Demonstrated ability to build strong partnerships across cross-functional teams and comfortably shift priorities to meet evolving business needs.

What We Offer (Benefits)

• Location: 100% Remote (Poland, Hungary, Romania).

• Competitive Compensation: Market-aligned salary and benefits package tailored to experience.

• Work-Life Balance: Flexible work-from-home / remote environment options.

• Health & Wellness: Comprehensive healthcare, wellness programs, and retirement plans.

• Growth & Development: Ongoing learning opportunities and career advancement within a global organization.

Ready to Make an Impact? Apply Today!

Join us in shaping the future of global payroll. If you are an expert in UK payroll with a passion for process optimization, automation, and delivering exceptional service, we want to hear from you!

Click "Apply Now" to submit your resume and take the next step in your career with Iron Mountain.

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