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TN
Tnsi

Office Manager

LocationESP - Madrid
SeniorityMid
Company size50+ people
First seenOct 7, 2026 · 4d ago
Verified live1d ago
At a glanceSummarised by Seekless from the posting.
Must have7
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
Nice to have4
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
Eligibility1
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.
Skills
Microsoft Office
Outlook
Word
Excel
Teams
finance or ERP systems
About the company
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!
Legal
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.
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