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tnsi

ESP - Madrid, Spain

Office Manager.

PEOPLE & OPS
An extraordinarily talented group of individuals work together every day to drive TNS' success, from both professional and personal perspectives. Come join the excellence! Overview You will be responsible for providing administrative, finance, and executive support to ensure the smooth running of the office. The role is responsible for office administration, customer and supplier ledger activities, credit control, invoice management, and providing personal assistant support to the General Manager. Working closely with internal teams, customers, suppliers, and external stakeholders, the successful candidate will maintain accurate records, coordinate documentation, manage office operations, and support the efficient delivery of business and financial processes. Responsibilities General Office Administration Support a range of administrative activities, including maintaining records and updating customer and supplier portals. Prepare, collect, and coordinate documentation for internal teams and external stakeholders. Manage office supplies, inventory, and supplier relationships. Handle incoming and outgoing correspondence, mail, and telephone enquiries. Support the smooth day-to-day operation of the office and contribute to an efficient working environment. Customer Ledger Liaise with the Billing Team and review invoices prior to issue. Support all aspects of credit control and customer account management. Monitor invoice progress to help ensure payment terms are met. Maintain records of customer queries and follow escalation procedures when required. Assist with debt recovery activities. Ensure customer portals are maintained accurately and kept up to date. Liaise with relevant government and regulatory bodies regarding administrative documentation required for customers and suppliers. Supplier Ledger Monitor the processing of approved and unapproved purchase invoices. Manage supplier queries and follow established escalation procedures. Support payment requisition processes for Purchase Orders (POs). Maintain accurate supplier records and assist with resolving invoice-related issues. Executive Support Provide administrative and personal assistant support to the General Manager. Coordinate meetings, appointments, and diary management activities. Arrange business travel, accommodation, transfers, and itineraries. Prepare documents, coordinate communications, and track follow-up actions to ensure timely completion. Qualifications Essential Skills and Experience Experience in office administration, accounts administration, customer service, or a related administrative role. Strong organisational and time management skills. Excellent written and verbal communication skills. Ability to manage multiple priorities and meet deadlines. Strong attention to detail and accuracy. Proficiency in Microsoft Office applications, including Outlook, Word, Excel, and Teams. Ability to work independently and collaboratively within a team. Desirable Skills and Experience Experience supporting customer or supplier ledger activities. Knowledge of invoicing, credit control, or accounts payable/receivable processes. Experience providing executive or personal assistant support. Familiarity with finance or ERP systems. If you are passionate about technology, love personal growth and opportunity, come see what TNS is all about! TNS is an equal opportunity employer. TNS evaluates qualified applicants without regard to race, color, religion, gender, national origin, age, sexual orientation, gender identity or expression, protected veteran status, disability/handicap status or any other legally protected characteristic. With employees based in 21 countries around the world, TNS is a leading global provider of data communication and interoperability services to diverse industries, such as retail, banking, payment processing, telecommunications and the financial markets. TNS’ services extend to over 60 countries and we deliver mission critical solutions to many Fortune 500 companies. TNS employees play a vital role in the delivery of our services and we recognize them as our most valuable asset. We are proud to offer competitive salaries and benefit packages, and due to the global nature of our business we can offer opportunities to relocate to different locations, if your personal circumstances change. Please take the time to view the job openings on this website and submit an application. You are welcome to apply for multiple opportunities and our system is designed to keep you informed on your application status. What’s the next step in your career? Find out today!
Pay
Not stated
Where
ESP - Madrid, Spain
Work
Not stated
Type
Not stated
Posted
22 Sep, 2026
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