Client Services Administrator

Iron Mountain Incorporated; United Kingdom; On-site; GBP 32,000 - 45,000; Full time

Benefits offered by this job

Private Medical Insurance

Employee Assistance Programme

Pension scheme (6.5% employer)

Life Assurance (4x salary)

Dental Insurance

Bike to Work scheme

Fitness membership discounts

Electric Vehicle Scheme

23 days annual leave + bank holidays

Job summary

Iron Mountain Incorporated is seeking a detail-oriented Client Services Administrator to join our Crozier team. You will drive end-to-end administrative coordination, ensure billing accuracy, and help manage accounts receivable while supporting bespoke art logistics for prestigious global clients.

You’ll partner with Sales, Account Management and operations, maintain digital archives, enforce SLAs, and generate weekly reports.

Qualifications

• Experience in a fast-paced professional environment.
• Billing and accounts receivable experience.
• Ability to streamline workflows using AI/digital tools.
• Ability to manage multiple stakeholder relationships.
• Discretion with confidential commercial information.

Responsibilities

• Review project estimates against final billing and resolve invoice discrepancies.
• Collaborate with Sales, Account Management and operations to onboard vendors and manage orders.
• Maintain structured digital archives and enforce SLAs and standards.
• Review account payments, resolve billing inquiries with credit control, and produce weekly bad debt reporting.
• Deliver weekly cost tracking and ad hoc leadership reports; use AI to automate workflows.

Skills

Administrative support

Billing administration

Accounts receivable

AI/digital tools

Stakeholder management

Discretion

Job description

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. Crozier is a global leader in fine art logistics and services, offering comprehensive solutions for the storage, transportation, crating, installation, and management of art. With over 45 years of experience, they operate across three continents with 38 locations and 12 global markets, boasting over 1.8 million square feet of fine art storage. They are known for their commitment to care and discretion, serving leading artists, collectors, galleries, and institutions worldwide, and are also investing in next-generation technology and sustainable practices. You'll have the unique opportunity to work with some of the world's most valuable art and collaborate with leading galleries, museums, and private collectors. Crozier is a global leader in fine art logistics, offering unparalleled exposure to significant cultural heritage.

Job Summary

Iron Mountain is seeking a detail-oriented and proactive Client Services Administrator to join our Crozier team. In this role, you will be responsible for driving end-to-end administrative coordination, managing billing accuracy, tracking accounts receivable, and streamlining operational workflows to deliver an exceptional client experience. You will join a dynamic, collaborative team dedicated to providing bespoke logistics, art handling, and collections care solutions for prestigious global clients.

What You’ll Do

• Review project estimates against final billing, resolve invoice discrepancies, and ensure services are accurately billed or accrued within month-end timelines.
• Partner closely with Sales, Account Management, and operations teams to execute smooth vendor onboarding, order system management, and cross-departmental task follow-up.
• Maintain structured, accessible digital archives and enforce strict adherence to operational service level agreements (SLAs) and organizational standards.
• Actively review account payment statuses, resolve complex billing inquiries in partnership with credit control teams, and produce weekly bad debt reporting with enforced pre-payment measures.
• Deliver weekly cost tracking, produce ad hoc reporting to support leadership decision-making, and leverage AI tools to automate workflows and drive departmental efficiencies.

What You’ll Bring

• Proven administrative support experience within a fast-paced, professional business environment.
• Strong knowledge of billing administration, accounts receivable procedures, and general financial compliance.
• Proven ability to streamline operational workflows using AI/digital tools, manage multi-stakeholder relationships, and solve complex administrative issues.
• Exceptional attention to detail, strong organisational capability, and the ability to handle confidential commercial information with complete discretion.

What's in it for you?

• Consistent Schedule: Monday to Friday, following typical office hours
• Competitive Salary Rewarding your expertise and dedication, as well as overtime & additional rates for trips
• Generous Leave: 23 days annual leave + bank holidays, increasing with length of service.
• Your Well-being First: We offer Private Medical Insurance and a confidential Employee Assistance Program (EAP) for you and your family's health and life needs.
• Secure Your Future: Benefit from our generous pension scheme, with Iron Mountain contributing 6.5%, plus Life Assurance covering four times your annual salary.
• Perks for Your Lifestyle: Enjoy a range of voluntary benefits like Dental Insurance, a Bike to Work scheme, fitness membership discounts, and an Electric Vehicle Scheme.

Category: Administrative Services

Iron Mountain is a global leader in storage and information management services trusted by more than 225,000 organizations in 60 countries. We safeguard billions of our customers’ assets, including critical business information, highly sensitive data, and invaluable cultural and historic artifacts. Take a look at our history here. Iron Mountain helps lower cost and risk, comply with regulations, recover from disaster, and enable digital and sustainable solutions, whether in information management, digital transformation, secure storage and destruction, data center operations, cloud services, or art storage and logistics. Please see our Values and Code of Ethics for a look at our principles and aspirations in elevating the power of our work together. If you have a physical or mental disability that requires special accommodations, please let us know by sending an email to [e-mail]. See the Supplement to learn more about Equal Employment Opportunity.